Journal ArticleAAPS J · May 2016
Cutaneous adverse reactions (CARs) from antiepileptic drugs (AEDs) are common, ranging from mild to life-threatening, including Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). The identification of subjects carrying the HLA-B*15:02, an ...
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Journal ArticleNeurology · March 29, 2016
OBJECTIVE: To identify susceptibility genes to nonfamilial hypokalemic periodic paralysis (hypoKPP) consisting of thyrotoxic periodic paralysis (TPP) and sporadic periodic paralysis (SPP) and explore the potential pathogenic mechanisms. METHODS: We enrolle ...
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Journal ArticleActa Anaesthesiol Taiwan · March 2016
Pharmacogenomics aims to unravel the way that human genetic variation affects drug efficacy and toxicity. Genome-wide association studies and candidate gene findings suggest that genetic approaches may help choose the most appropriate drug and dosage while ...
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Journal ArticleNat Commun · January 21, 2016
Reduced glomerular filtration rate defines chronic kidney disease and is associated with cardiovascular and all-cause mortality. We conducted a meta-analysis of genome-wide association studies for estimated glomerular filtration rate (eGFR), combining data ...
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Journal ArticleSci Rep · January 20, 2016
Sixty genetic loci associated with abdominal obesity, measured by waist circumference (WC) and waist-hip ratio (WHR), have been previously identified, primarily from studies conducted in European-ancestry populations. We conducted a meta-analysis of associ ...
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Journal ArticleJ Invest Dermatol · November 2015
Many biochemical pathways involved in hair and skin development have not been investigated. Here, we reported on the lesions and investigated the mechanism underlying hair and skin abnormalities in Zdhhc13(skc4) mice with a deficiency in DHHC13, a palmitoy ...
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Journal ArticleBMJ · September 23, 2015
OBJECTIVE: To evaluate the use of prospective screening for the HLA-B*58:01 allele to identify Taiwanese individuals at risk of severe cutaneous adverse reactions (SCARs) induced by allopurinol treatment. DESIGN: National prospective cohort study. SETTING: ...
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Journal ArticleNat Commun · July 7, 2015
Graves' disease is the leading cause of hyperthyroidism affecting 1.0-1.6% of the population. Antithyroid drugs are the treatment cornerstone, but may cause life-threatening agranulocytosis. Here we conduct a two-stage association study on two separate sub ...
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Journal ArticleSci Rep · April 24, 2015
Identification and functional analysis of genes from genetically altered chromosomal regions would suggest new molecular targets for cancer diagnosis and treatment. Here we performed a genome-wide analysis of chromosomal copy number alterations (CNAs) in m ...
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Journal ArticleOsteoarthritis Cartilage · April 2015
OBJECTIVE: To identify disease relevant genes and pathways associated with knee Osteoarthritis (OA) progression in human subjects using medial and lateral compartment dominant OA knee tissue. DESIGN: Gene expression of knee cartilage was comprehensively as ...
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Journal ArticleCirc Res · February 27, 2015
RATIONALE: Kawasaki disease (KD), an acute febrile vasculitis, is the most common cause of acquired heart disease in childhood; however, diagnosing KD can be difficult. OBJECTIVE: To identify unique proteomic biomarkers that can be used to facilitate earli ...
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Journal ArticleHypertens Res · February 2015
Recent studies have suggested that circadian genes have important roles in maintaining the circadian rhythm of the cardiovascular system. However, the associations between diurnal BP changes and circadian genes remain undetermined. We conducted a genetic a ...
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Journal ArticleJ Gastroenterol · August 2014
BACKGROUND: It is known that malignant transformation to hepatocellular carcinoma (HCC) occurs at a higher frequency in hepatocellular adenoma (HCA) from type I glycogen storage disease (GSD I) compared to HCA from other etiologies. In this study, we aimed ...
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Journal ArticleDiabetes · July 2014
Glycated hemoglobin A1c (HbA1c) is used as a measure of glycemic control and also as a diagnostic criterion for diabetes. To discover novel loci harboring common variants associated with HbA1c in East Asians, we conducted a meta-analysis of 13 genome-wide ...
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Journal ArticleMol Genet Metab · April 2014
Glycogen storage disease type IIIa (GSD IIIa) is caused by a deficiency of the glycogen debranching enzyme (GDE), which is encoded by the Agl gene. GDE deficiency leads to the pathogenic accumulation of phosphorylase limit dextrin (PLD), an abnormal glycog ...
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Journal ArticleNat Genet · March 2014
To further understanding of the genetic basis of type 2 diabetes (T2D) susceptibility, we aggregated published meta-analyses of genome-wide association studies (GWAS), including 26,488 cases and 83,964 controls of European, east Asian, south Asian and Mexi ...
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Journal ArticleAAPS J · March 2014
To understand the genetic makeup and impact on pharmacokinetics (PK) in the Taiwanese population, we analyzed the pharmacogenetic (PG) profile and demonstrated its effects on enzyme metabolism using indapamide as an example. A multiplex mass spectrometry m ...
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Journal ArticleBMC Genomics · January 29, 2014
BACKGROUND: Genetic variation associated with human leukocyte antigen (HLA) genes has immunological functions and is associated with autoimmune diseases. To date, large-scale studies involving classical HLA genes have been limited by time-consuming and exp ...
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Journal ArticleGene · January 1, 2014
Xq28 duplications encompassing the methyl CpG binding protein 2 (MECP2) in males exhibit a distinct phenotype, including developmental delay, facial dysmorphism, muscular hypotonia, intellectual disability, poor or absent speech, recurrent infections and e ...
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Journal ArticlePLoS One · 2014
ZDHHC13 is a member of DHHC-containing palmitoyl acyltransferases (PATs) family of enzymes. It functions by post-translationally adding 16-carbon palmitate to proteins through a thioester linkage. We have previously shown that mice carrying a recessive Zdh ...
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Journal ArticlePLoS One · 2014
UNLABELLED: To clarify pharmacokinetic-pharmacodynamic (PK-PD) factors associated with the over-anticoagulation response in Asians during warfarin induction therapy, population PK-PD analyses were conducted in an attempt to predict the time-courses of the ...
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Journal ArticlePharmacogenomics · November 2013
AIM: Acute urticaria/angioedema (AUA) induced by cross-intolerance to NSAIDs is the most frequent clinical entity in hypersensitivity reactions to drugs. In this work, we conducted a genome-wide association study in Spanish and Han Chinese patients sufferi ...
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Journal ArticleJ Allergy Clin Immunol · September 2013
BACKGROUND: Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), and graft-versus-host disease (GVHD) are distinct immune reactions elicited by drugs or allogeneic antigens; however, they share a pathomechanism with the activation of cytotoxic ...
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Journal ArticleOsteoarthritis Cartilage · March 2013
OBJECTIVE: To evaluate the interaction of articular cartilage (AC) and subchondral bone (SB) through analysis of osteoarthritis (OA)-related genes of site-matched tissue. DESIGN: We developed a novel method for isolating site-matched overlying AC and under ...
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Journal ArticleMol Genet Metab · February 2013
We investigated the feasibility of using recombinant human acid-α glucosidase (rhGAA, Alglucosidase alfa), an FDA approved therapy for Pompe disease, as a treatment approach for glycogen storage disease type III (GSD III). An in vitro disease model was est ...
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Journal ArticleArthritis Res Ther · 2013
INTRODUCTION: The aim of this study was to evaluate, for the first time, the differences in gene expression profiles of normal and osteoarthritic (OA) subchondral bone in human subjects. METHODS: Following histological assessment of the integrity of overly ...
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Journal ArticlePLoS One · 2013
The BLK and CD40 loci have been associated with Kawasaki disease (KD) in two genome-wide association studies (GWAS) conducted in a Taiwanese population of Han Chinese ancestry (Taiwanese) and in Japanese cohorts. Here we build on these findings with replic ...
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Journal ArticleClin Pharmacokinet · December 2012
BACKGROUND AND OBJECTIVE: Genetic polymorphisms of cytochrome P450 (CYP) 2C9 (CYP2C9) and vitamin K epoxide reductase complex subunit 1 (VKORC1) and patient demographic characteristics are responsible for inter-individual differences in warfarin maintenanc ...
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Journal ArticleHum Mol Genet · October 15, 2012
Pharmacogenomics aims to investigate the genetic basis of inter-individual differences in drug responses, such as efficacy, dose requirements and adverse events. Research in pharmacogenomics has grown over the past decade, evolving from a candidate-gene ap ...
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Journal ArticleGenet Med · September 2012
PURPOSE: Fabry disease is a rare, X-linked, inherited lysosomal storage disorder that can be treated with the enzymes agalsidasealfa (Replagal) and agalsidase beta (Fabrazyme). Currently, there is a global shortage of agalsidase beta, and this has increase ...
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Journal ArticleNat Genet · July 15, 2012
Chronic kidney disease (CKD), impairment of kidney function, is a serious public health problem, and the assessment of genetic factors influencing kidney function has substantial clinical relevance. Here, we report a meta-analysis of genome-wide associatio ...
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Journal ArticleExpert Rev Clin Immunol · July 2012
Ample evidence exists to support the view that drug hypersensitivity is mediated by adaptive immunity, which involves MHC-restricted drug presentation, activation and clonal expansion of T cells. The specific MHC molecules implicated in hypersensitivity ha ...
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Journal ArticleNucleic Acids Res · July 2012
VarioWatch (http://genepipe.ncgm.sinica.edu.tw/variowatch/) has been vastly improved since its former publication GenoWatch in the 2008 Web Server Issue. It is now at least 10 000-times faster in annotating a variant. Drastic speed increase, through comple ...
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Journal ArticleJ Allergy Clin Immunol · June 2012
BACKGROUND: Increasing studies have revealed that HLA alleles are the major genetic determinants of drug hypersensitivity; however, the underlying molecular mechanism remains unclear. OBJECTIVE: We adopted the HLA-B∗1502 genetic predisposition to carbamaze ...
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Journal ArticleAm J Hum Genet · May 4, 2012
Psoriasis is a common, immune-mediated genetic disorder of the skin and is associated with arthritis in approximately 30% of cases. Previously, we localized PSORS2 (psoriasis susceptibility locus 2) to chromosomal region 17q25.3-qter after a genome-wide li ...
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Journal ArticleMol Genet Metab · April 2012
With the advent of enzyme replacement therapy (ERT) with alglucosidase alfa (rhGAA, Myozyme®) for Pompe disease, the clinical course of the disease has changed. We have previously described the poor outcome in cross reactive immunologic material (CRIM)-neg ...
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Journal ArticleNat Genet · March 25, 2012
To find new candidate loci predisposing individuals to Kawasaki disease, an acute vasculitis that affects children, we conducted a genome-wide association study in 622 individuals with Kawasaki disease (cases) and 1,107 controls in a Han Chinese population ...
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Journal ArticleClin Endocrinol (Oxf) · March 2012
BACKGROUND:   A recent genome-wide association study for type 2 diabetes in Han Chinese identified several novel genetic variants. We investigated their associations with quantitative measures to explore the mechanism by which these variants influence gluc ...
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Journal ArticleJ Child Neurol · February 2012
Anderson disease, also known as glycogen storage disease type IV (MIM 232500), is a rare autosomal recessive disorder caused by a deficiency of glycogen branching enzyme. Glycogen storage disease type IV has a broad clinical spectrum ranging from a perinat ...
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Journal ArticlePLoS One · 2012
We report the first genome-wide association study of a joint analysis using 795 Han Chinese individuals with treatment-refractory schizophrenia (TRS) and 806 controls. Three loci showed suggestive significant association with TRS were identified. These loc ...
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Journal ArticleDrug Metab Pharmacokinet · 2012
In some adverse drug reactions (ADRs), genetic predisposition plays a significant role in pathogenesis, and the skin is the most frequently reported target. These severe cutaneous ADRs include bullous fixed drug eruptions (FDE), acute generalized exanthema ...
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Journal ArticleNat Genet · December 11, 2011
We conducted a three-stage genetic study to identify susceptibility loci for type 2 diabetes (T2D) in east Asian populations. We followed our stage 1 meta-analysis of eight T2D genome-wide association studies (6,952 cases with T2D and 11,865 controls) with ...
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Journal ArticleJ Allergy Clin Immunol · December 2011
BACKGROUND: Stevens-Johnson syndrome (SJS) and its related disease, toxic epidermal necrolysis (TEN), are life-threatening drug hypersensitivities with robust immune responses to drugs. Despite the strong HLA predisposition to drug hypersensitivities, such ...
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Journal ArticleDiabetes · September 2011
OBJECTIVE: The plasma adiponectin level, a potential upstream and internal facet of metabolic and cardiovascular diseases, has a reasonably high heritability. Whether other novel genes influence the variation in adiponectin level and the roles of these gen ...
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Journal ArticleAnn Hum Genet · September 2011
We performed a genome-wide linkage analysis to identify susceptibility loci in a large six-generation extended family previously reported with early-onset osteoarthritis (OA) DNA sequencing was performed to investigate involvement of the COMP (Cartilage ol ...
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Journal ArticleGenet Med · August 2011
PURPOSE: Enzyme replacement therapy with rhGAA (Myozyme®) has lead to improved survival, which is largely attributable to improvements in cardiomyopathy and skeletal muscle function. However, crossreactive immunologic material-negative patients have a poor ...
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Journal ArticlePediatr Res · July 2011
Using a combination of N-ethyl-N-nitrosourea-mediated mutagenesis and metabolomics-guided screening, we identified mice with elevated blood levels of short-chain C4-acylcarnitine and increased urine isobutyryl-glycine. Genome-wide homozygosity screening, f ...
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Journal ArticleJ Biomed Sci · June 7, 2011
BACKGROUND: Colorectal cancer (CRC) is a major health concern worldwide, and recently becomes the most common cancer in Asia. The case collection of this study is one of the largest sets of CRC in Asia, and serves as representative data for investigating g ...
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Journal ArticleMol Genet Metab · June 2011
Enzyme replacement therapy (ERT) with acid α-glucosidase has become available for Pompe disease; however, the response of skeletal muscle, as opposed to the heart, has been attenuated. The poor response of skeletal muscle has been attributed to the low abu ...
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Journal ArticleNat Genet · June 2011
We conducted a meta-analysis of genome-wide association studies of systolic (SBP) and diastolic (DBP) blood pressure in 19,608 subjects of east Asian ancestry from the AGEN-BP consortium followed up with de novo genotyping (n = 10,518) and further replicat ...
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Journal ArticleMol Psychiatry · May 2011
We report the first genome-wide association study in 1000 bipolar I patients and 1000 controls, with a replication of the top hits in another 409 cases and 1000 controls in the Han Chinese population. Four regions with most strongly associated single-nucle ...
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Journal ArticleBMC Bioinformatics · April 18, 2011
BACKGROUND: Genome-wide single-nucleotide polymorphism (SNP) arrays containing hundreds of thousands of SNPs from the human genome have proven useful for studying important human genome questions. Data quality of SNP arrays plays a key role in the accuracy ...
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Journal ArticleN Engl J Med · March 24, 2011
BACKGROUND: Carbamazepine, an anticonvulsant and a mood-stabilizing drug, is the main cause of the Stevens-Johnson syndrome (SJS) and its related disease, toxic epidermal necrolysis (TEN), in Southeast Asian countries. Carbamazepine-induced SJS-TEN is stro ...
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Journal ArticlePLoS One · February 4, 2011
Kawasaki disease (KD) is an acute systemic vasculitis syndrome that primarily affects infants and young children. Its etiology is unknown; however, epidemiological findings suggest that genetic predisposition underlies disease susceptibility. Taiwan has th ...
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Journal ArticleHum Mol Genet · February 1, 2011
Glycogen storage disease type IV (GSD-IV) is an autosomal recessive disease caused by a deficiency in glycogen-branching enzyme (GBE1) activity that results in the accumulation of amylopectin-like polysaccharide, which presumably leads to osmotic swelling ...
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Journal ArticlePLoS One · December 29, 2010
Garlic (Allium sativum) has been valued in many cultures both for its health effects and as a culinary flavor enhancer. Garlic's chemical complexity is widely thought to be the source of its many health benefits, which include, but are not limited to, anti ...
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Journal ArticleJ Inherit Metab Dis · December 2010
Glycogen storage disease type IV (GSD IV; Andersen disease) is caused by a deficiency of glycogen branching enzyme (GBE), leading to excessive deposition of structurally abnormal, amylopectin-like glycogen in affected tissues. The accumulated glycogen lack ...
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Journal ArticlePharmacogenomics J · December 2010
Because angiotensin-converting enzyme (ACE) activity is implicated widely in biological systems, we aimed to identify its novel quantitative trait loci for the purposes of understanding ACE activity regulation and pharmacogenetics relating to ACE inhibitor ...
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Journal ArticleHepatology · November 2010
UNLABELLED: Recurrent cancer genome aberrations are indicators of residing crucial cancer genes. Although recent advances in genomic technologies have led to a global view of cancer genome aberrations, the identification of target genes and biomarkers from ...
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Journal ArticleJournal of Experimental and Clinical Medicine · October 1, 2010
Background/Purpose: Ethylnitrosourea (ENU) is an alkylating agent and primarily induces point mutations such as AT to TA transversions and AT to GC transitions. Due to its high mutagenicity, ENU mouse mutagenesis enables the generation and identification o ...
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Journal ArticleHum Mol Genet · October 1, 2010
Mutations in glucose transporter 10 (GLUT10) alter angiogenesis and cause arterial tortuosity syndrome (ATS); however, the mechanisms by which these mutations cause disease remain unclear. It has been reported that in most cells, mitochondria are the major ...
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Journal ArticleAm J Med Genet A · September 2010
Interstitial deletion of 16q has emerged into a recognizable pattern of congenital malformation. We report on a 9-year-old boy with short stature, psychomotor retardation, high forehead, broad flat nasal bridge, hypertelorism, cup-shaped ears, short neck, ...
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Journal ArticleExpert Opin Pharmacother · September 2010
IMPORTANCE OF THE FIELD: Toxic epidermal necrolysis (TEN) and Stevens-Johnson Syndrome (SJS) are two of the most severe drug-induced cutaneous reactions. Advances in genome technologies have allowed researchers to identify genetic markers associated with t ...
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Journal ArticleBMC Med Genet · August 25, 2010
BACKGROUND: Recent data indicate that loss-of-function mutation in the gene encoding the facilitative glucose transporter GLUT10 (SLC2A10) causes arterial tortuosity syndrome via upregulation of the TGF-β pathway in the arterial wall, a mechanism possibly ...
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Journal ArticleBMC Genomics · July 5, 2010
BACKGROUND: Allele frequency is one of the most important population indices and has been broadly applied to genetic/genomic studies. Estimation of allele frequency using genotypes is convenient but may lose data information and be sensitive to genotyping ...
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Journal ArticlePLoS Genet · June 10, 2010
Protein palmitoylation has emerged as an important mechanism for regulating protein trafficking, stability, and protein-protein interactions; however, its relevance to disease processes is not clear. Using a genome-wide, phenotype driven N-ethyl-N-nitrosou ...
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Journal ArticleJ Biol Chem · March 19, 2010
Cationic antimicrobial peptides/proteins (AMPs) are important components of the host innate defense mechanisms against invading microorganisms. Here we demonstrate that OprI (outer membrane protein I) of Pseudomonas aeruginosa is responsible for its suscep ...
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Journal ArticlePharmacogenomics · March 2010
AIMS: Compared with other categories of drugs, such as antibiotics and NSAIDs, antiepileptic therapies are associated with a high incidence of Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). We previously reported that carbamazepine (C ...
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Journal ArticlePLoS Genet · February 19, 2010
To investigate the underlying mechanisms of T2D pathogenesis, we looked for diabetes susceptibility genes that increase the risk of type 2 diabetes (T2D) in a Han Chinese population. A two-stage genome-wide association (GWA) study was conducted, in which 9 ...
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Journal ArticleMol Genet Metab · January 2010
Deficiency of acid alpha glucosidase (GAA) causes Pompe disease, which is usually fatal if onset occurs in infancy. Patients synthesize a non-functional form of GAA or are unable to form native enzyme. Enzyme replacement therapy with recombinant human GAA ...
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Journal ArticleExpert Opin Drug Saf · January 2010
IMPORTANCE OF THE FIELD: Recent advances in pharmacogenetic studies have uncovered increasingly more genes that predispose individuals to adverse drug reactions. Aromatic antiepileptic drugs (AEDs) are a frequent cause of severe cutaneous adverse reactions ...
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Journal ArticlePLoS genetics · 2010
Protein palmitoylation has emerged as an important mechanism for regulating protein trafficking, stability, and protein-protein interactions; however, its relevance to disease processes is not clear. Using a genome-wide, phenotype driven N-ethyl-N-nitrosou ...
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Journal ArticleHum Mol Genet · December 15, 2009
Hepatocellular adenoma (HCA) is a frequent long-term complication of glycogen storage disease type I (GSD I) and malignant transformation to hepatocellular carcinoma (HCC) is known to occur in some cases. However, the molecular pathogenesis of tumor develo ...
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Journal ArticleScience · December 11, 2009
Asia harbors substantial cultural and linguistic diversity, but the geographic structure of genetic variation across the continent remains enigmatic. Here we report a large-scale survey of autosomal variation from a broad geographic sample of Asian human p ...
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Journal ArticlePediatrics · December 2009
OBJECTIVE: Pompe disease causes progressive, debilitating, and often life-threatening musculoskeletal, respiratory, and cardiac symptoms. Favorable outcomes with early intravenous enzyme-replacement therapy and alglucosidase alfa have been reported, but ea ...
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Journal ArticlePLoS One · November 17, 2009
BACKGROUND: Normal-pressure hydrocephalus (NPH) is a neurodegenerative disorder that usually occurs late in adult life. Clinically, the cardinal features include gait disturbances, urinary incontinence, and cognitive decline. METHODOLOGY/PRINCIPAL FINDINGS ...
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Journal ArticleGenomics · October 2009
Copy number variation (CNV) is a form of DNA sequence variation in the human genome. CNVs can affect expression of nearby and distant genes, and some of them might cause certain phenotypic differences. CNVs vary slightly in location and frequency among dif ...
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Journal ArticlePharmacogenomics · October 2009
AIMS: Warfarin, a widely prescribed oral anticoagulant, is used for the prevention of thromboembolism. Several polymorphisms in VKORC1 have been shown to be associated with warfarin dose requirements. The frequencies of these VKORC1 polymorphisms display p ...
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Journal ArticleTrends Endocrinol Metab · July 2009
Glycogen storage disease type I (GSD I) is caused by deficiency of the glucose-6-phosphatase catalytic subunit in type Ia or of glucose-6-phosphate transporter in type Ib. The cellular bases for disruptions of homeostasis have been increasingly understood ...
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Journal ArticleRheumatology (Oxford) · April 2009
OBJECTIVES: To characterize a large extended family with early-onset OA of the knee and investigate its associations with the COL2A1 gene. METHODS: Phenotype assessments were conducted in a six-generation family to identify individuals affected with OA. Sh ...
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Journal ArticlePharmacogenomics · March 2009
AIM: Cytochrome P450 is an important monooxygenase responsible for the metabolism of a large variety of structurally diverse compounds. The aim of this study was to systematically investigate the DNA sequence variations in 14 cytochrome P450 genes relevant ...
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Journal ArticleCardiovasc Res · February 1, 2009
AIMS: Glucose transporter 10 (GLUT10), encoded by the SLC2A10 gene, is a member of the class III facilitative glucose transporter family. Mutations in the SLC2A10 gene cause arterial tortuosity syndrome (ATS) in humans. To further study the pathogenesis of ...
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Journal ArticleILAR J · 2009
Scientists first described inborn errors of metabolism, also termed inherited disorders of metabolism, early in the 20th century and since then have determined the biochemical and genetic bases of a great number of these disorders both in humans and in an ...
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Journal ArticlePLoS One · 2009
Young-onset hypertension has a stronger genetic component than late-onset counterpart; thus, the identification of genes related to its susceptibility is a critical issue for the prevention and management of this disease. We carried out a two-stage associa ...
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Journal ArticleBMC Genet · December 24, 2008
BACKGROUND: Copy number variations (CNVs) have recently been recognized as important structural variations in the human genome. CNVs can affect gene expression and thus may contribute to phenotypic differences. The copy number inferring tool (CNIT) is an e ...
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Journal ArticleBMC Bioinformatics · December 12, 2008
BACKGROUND: With the flood of information generated by the new generation of sequencing technologies, more efficient bioinformatics tools are needed for in-depth impact analysis of novel genomic variations. FANS (Functional Analysis of Novel SNPs) was deve ...
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Journal ArticleNat Med · December 2008
Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) are life-threatening adverse drug reactions characterized by massive epidermal necrosis, in which the specific danger signals involved remain unclear. Here we show that blister cells from ...
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Journal ArticlePediatr Cardiol · November 2008
BACKGROUND: Infantile Pompe disease (glycogen storage disease type 2) is a fatal disorder caused by deficiency of acid alpha-glucosidase. This deficiency results in glycogen accumulation in the lysosomes of many tissues including cardiac muscle. The diseas ...
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Journal ArticleHum Mutat · August 2008
Copy number variation (CNV) has become an important genomic structure element in the human population, and some CNVs are related to specific traits and diseases. Moreover, analysis of human genomes has been potentiated by the use of high-resolution microar ...
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Journal ArticleNucleic Acids Res · July 1, 2008
A human gene association study often involves several genomic markers such as single nucleotide polymorphisms (SNPs) or short tandem repeat polymorphisms, and many statistically significant markers may be identified during the study. GenoWatch can efficien ...
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Journal ArticlePediatrics · July 2008
OBJECTIVE: Pompe disease is an autosomal recessive lysosomal storage disorder that is caused by deficient acid alpha-glucosidase activity and results in progressive, debilitating, and often life-threatening symptoms involving the musculoskeletal, respirato ...
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Journal ArticleClin Pharmacol Ther · July 2008
Polymorphisms in CYP2C9 and VKORC1 have been shown to be associated with warfarin dose requirements and could be used to predict warfarin dose. We conducted a prospective study in which warfarin dose was prescribed based on CYP2C9 and VKORC1 polymorphisms ...
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Journal ArticleJ Invest Dermatol · July 2008
We previously mapped a psoriasis-susceptibility gene to a 3.8-Mb region of the 17q terminus in a five-generation Chinese family with autosomal-dominant psoriasis. To identify the mutations responsible for the psoriasis in this family, we sequenced 78 genes ...
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Journal ArticleBMC Bioinformatics · April 15, 2008
BACKGROUND: Microarray-based pooled DNA experiments that combine the merits of DNA pooling and gene chip technology constitute a pivotal advance in biotechnology. This new technique uses pooled DNA, thereby reducing costs associated with the typing of DNA ...
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Journal ArticleMol Ther · April 2008
Glycogen storage disease type Ia (GSD-Ia) profoundly impairs glucose release by the liver due to glucose-6-phosphatase (G6Pase) deficiency. An adeno-associated virus (AAV) containing a small human G6Pase transgene was pseudotyped with AAV8 (AAV2/8) to opti ...
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Journal ArticleJ Child Neurol · March 2008
Glycogen storage disease type IV (Andersen disease) is a rare metabolic disorder characterized by deficient glycogen branching enzyme activity resulting in abnormal, amylopectin-like glycogen deposition in multiple organs. This article reports on an infant ...
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Journal ArticleGenomic Medicine · January 1, 2008
Cleidocranial dysplasia (CCD; MIM 119600) is a rare autosomal dominant disorder characterized by facial, dental, and skeletal malformations. To date, rearrangement and mutations involving RUNX2, which encodes a transcription factor required for osteoblast ...
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Journal ArticleAm J Med Genet A · November 1, 2007
Pompe disease (acid-alpha-glucosidase deficiency) encompasses a clinical spectrum, ranging from severe infantile-onset disease with clinical symptoms appearing before 1 year of age with rapid progression to an early death, to late-onset disease with a much ...
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Journal ArticleAm J Hum Genet · November 2007
Pompe disease, which results from mutations in the gene encoding the glycogen-degrading lysosomal enzyme acid alpha -glucosidase (GAA) (also called "acid maltase"), causes death in early childhood related to glycogen accumulation in striated muscle and an ...
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Journal ArticleJ Allergy Clin Immunol · October 2007
BACKGROUND: Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) can involve MHC-restricted presentation of a drug or its metabolites for T-cell activation. HLA-B(*)1502 tightly associated with carbamazepine (CBZ) induced these conditions in ...
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Journal ArticleCurr Opin Allergy Clin Immunol · August 2007
PURPOSE OF REVIEW: The present article reviews the recent literature on the identification of human leukocyte antigen (HLA) alleles as major susceptible genes for drug hypersensitivity and discusses the clinical implications. RECENT FINDINGS: Several recen ...
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Journal ArticleMol Ther · July 2007
Genetic deficiency of glucose-6-phosphatase (G6Pase) underlies glycogen storage disease type Ia (GSD-Ia, also known as von Gierke disease; MIM 232200), an autosomal recessive disorder of metabolism associated with life-threatening hypoglycemia and growth r ...
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Journal ArticleNucleic Acids Res · July 2007
PrimerZ (http://genepipe.ngc.sinica.edu.tw/primerz/) is a web application dedicated primarily to primer design for genes and human SNPs. PrimerZ accepts genes by gene name or Ensembl accession code, and SNPs by dbSNP rs or AFFY_Probe IDs. The promoter and ...
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Journal Article · May 31, 2007
Drug hypersensitivity, an immune-related idiosyncratic ad-verse reaction, was historically referred to as being unpre-dictable. However, recent studies in Han Chinese have re-vealed that several types of severe drug hypersensitivity reactions have a strong ...
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Journal ArticlePediatr Radiol · May 2007
BACKGROUND: Pompe disease (glycogen storage disease type II or acid maltase deficiency) is an autosomal recessive disorder caused by deficiency of the lysosomal enzyme acid alpha-glucosidase (GAA). Classic infantile-onset disease, characterized by cardiome ...
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Journal ArticleJ Inherit Metab Dis · April 2007
Prior to 2006 therapy for glycogen storage diseases consisted primarily of dietary interventions, which in the case of glycogen storage disease (GSD) type II (GSD II; Pompe disease) remained essentially palliative. Despite improved survival and growth, lon ...
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Journal ArticleJ Hepatol · March 2007
BACKGROUND/AIMS: Glycogen storage disease III (GSD III) is caused by a deficiency of glycogen-debranching enzyme which causes an incomplete glycogenolysis resulting in glycogen accumulation with abnormal structure (short outer chains resembling limit dextr ...
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Journal ArticleHum Mol Genet · March 1, 2007
Huntington's disease (HD) is an autosomal dominant neurodegenerative disease caused by a CAG trinucleotide expansion in the Huntingtin (Htt) gene. Using two mouse models of HD, we demonstrate that the urea cycle deficiency characterized by hyperammonemia, ...
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Journal ArticleNeurology · January 9, 2007
BACKGROUND: Pompe disease is a progressive metabolic neuromuscular disorder resulting from deficiency of lysosomal acid alpha-glucosidase (GAA). Infantile-onset Pompe disease is characterized by cardiomyopathy, respiratory and skeletal muscle weakness, and ...
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Journal ArticleJ Vet Intern Med · 2007
BACKGROUND: Inborn errors of metabolism impose a significant genetic burden on purebred dogs and cats. The glycogen storage diseases are a category of such disorders that are typed by enzyme analysis, but deoxyribonucleic acid (DNA) based carrier tests are ...
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Journal ArticleHum Mol Genet · December 15, 2006
Using the metabolomics-guided screening coupled to N-ethyl-N-nitrosourea-mediated mutagenesis, we identified mice that exhibited elevated levels of long-chain acylcarnitines. Whole genome homozygosity mapping with 262 SNP markers mapped the disease gene to ...
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Journal ArticleMol Ther · December 2006
Glycogen storage disease type II (GSD-II; Pompe disease; MIM 232300) is an inherited muscular dystrophy caused by deficiency in the activity of the lysosomal enzyme acid alpha-glucosidase (GAA). We hypothesized that chimeric GAA containing an alternative s ...
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Journal ArticleHum Mutat · November 2006
Single nucleotide polymorphisms (SNPs) are the most common sequence variation in the human genome; they have been successfully used in mapping disease genes and more recently in studying population genetics and cancer genetics. In a population-based associ ...
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Journal ArticleJ Med Genet · October 2006
The SCN5A mutations have been associated with a variety of arrhythmic disorders, including type 3 long QT syndrome (LQT3), Brugada syndrome and inherited cardiac conduction defects. The relationship between genotype and phenotype in SCN5A mutations is comp ...
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Journal ArticleGene Ther · September 2006
The deficiency of glucose-6-phosphatase (G6Pase) underlies life-threatening hypoglycemia and growth retardation in glycogen storage disease type Ia (GSD-Ia). An adeno-associated virus (AAV) vector encoding G6Pase was pseudotyped as AAV8 and administered to ...
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Journal ArticleJ Pediatr · July 2006
OBJECTIVE: To conduct an open-label, multinational, multicenter study examining the safety and efficacy of recombinant human acid alpha-glucosidase (rhGAA) in treatment of infantile-onset Pompe disease. STUDY DESIGN: We enrolled 8 infant patients who had P ...
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Journal ArticleNucleic Acids Res · July 1, 2006
Single nucleotide polymorphism (SNP) prioritization based on the phenotypic risk is essential for association studies. Assessment of the risk requires access to a variety of heterogeneous biological databases and analytical tools. FASTSNP (function analysi ...
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Journal ArticleJ Biomed Sci · July 2006
Genetic dissection of complex diseases is both important and challenging. The human major histocompatibility complex is involved in many human diseases and genetic mechanisms. This highly polymorphic chromosome region has been extensively studied in Caucas ...
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Journal ArticleDiabetologia · June 2006
AIMS/HYPOTHESIS: The gene encoding solute carrier family 2, facilitated glucose transporter, member 10 (SLC2A10, previously known as glucose transporter 10 [GLUT10]) is a promising candidate gene for type 2 diabetes since it is highly expressed in liver an ...
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Journal ArticleGenet Med · May 2006
PURPOSE: Electrocardiogram (ECG) abnormalities are universal in infantile Pompe disease or glycogen storage disease type II, a fatal genetic muscle disorder caused by deficiency of acid alpha-glucosidase (GAA). Hallmarks of this disease include a shortened ...
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Journal ArticleGenet Med · May 2006
PURPOSE: Infantile Pompe disease is caused by deficiency of lysosomal acid alpha-glucosidase. Trials with recombinant human acid alpha-glucosidase enzyme replacement therapy (ERT) show a decrease in left ventricular mass and improved function. We evaluated ...
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Journal ArticleGenet Med · May 2006
PURPOSE: The study's purpose was to compare acarbose and maltose as inhibitors of maltase-glucoamylase activity for determining acid alpha-glucosidase activity in dried blood spot specimens for early identification of patients with infantile Pompe disease, ...
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Journal ArticleAm J Med Genet A · April 15, 2006
Glycogen storage disease type IV (GSD-IV) is an autosomal recessive genetic disorder due to a deficiency in the activity of the glycogen branching enzyme (GBE). A deficiency in GBE activity results in the accumulation of glycogen with fewer branching point ...
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Journal ArticlePharmacogenet Genomics · April 2006
The anticonvulsant carbamazepine (CBZ) frequently causes cutaneous adverse drug reactions (cADRs), including maculopapular eruption (MPE), hypersensitivity syndrome (HSS), Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN). We reported tha ...
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Journal ArticlePediatr Cardiol · 2006
The mechanism of heart failure in patients with enterovirus 71 rhombencephalitis (brain stem encephalitis) remains unknown. Our previous reports hypothesized that a catecholamine storm induced by rhombencephalitis may account for the heart failure. The aim ...
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Journal ArticleNucleic Acids Res · 2006
Microarray-based pooled DNA methods overcome the cost bottleneck of simultaneously genotyping more than 100 000 markers for numerous study individuals. The success of such methods relies on the proper adjustment of preferential amplification/hybridization ...
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Journal ArticleMol Ther · November 2005
Glycogen storage disease type II (GSD-II; Pompe disease) is caused by a deficiency of acid alpha-glucosidase (GAA; acid maltase) and manifests as muscle weakness, hypertrophic cardiomyopathy, and respiratory failure. Adeno-associated virus vectors containi ...
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Journal ArticleMol Genet Metab · August 2005
A tetraglucose oligomer, Glcalpha1-6Glcalpha1-4Glcalpha1-4Glc, designated Glc4, has been shown to be a putative biomarker for the diagnosis of Pompe disease. The purpose of this study was to assess whether Glc4 could be used to monitor the therapeutic resp ...
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Journal ArticleHum Mol Genet · July 1, 2005
Warfarin, a commonly prescribed anticoagulant, exhibited large inter-individual and inter-ethnic differences in the dose required for its anticoagulation effect. Asian populations, including Chinese, require a much lower maintenance dose than Caucasians, f ...
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Journal ArticleN Engl J Med · June 2, 2005
BACKGROUND: Avascular necrosis of the femoral head (ANFH) causes disability that often requires surgical intervention. Most cases of ANFH are sporadic, but we identified three families in which there was autosomal dominant inheritance of the disease and ma ...
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Journal ArticlePediatr Transplant · April 2005
We report a 17-month-old female patient with a rare cause of cardiomyopathy secondary to accumulation of amylopectin-like material (fibrillar glycogen) isolated to the heart. Evidence of amylopectinosis isolated to cardiac myocytes in this patient was demo ...
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Journal ArticleProc Natl Acad Sci U S A · March 15, 2005
Allopurinol, a commonly prescribed medication for gout and hyperuricemia, is a frequent cause of severe cutaneous adverse reactions (SCAR), which include the drug hypersensitivity syndrome, Stevens-Johnson syndrome, and toxic epidermal necrolysis. The adve ...
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Journal ArticleJ Gene Med · February 2005
BACKGROUND: Glycogen storage disease II (GSD-II) is an autosomal recessive lysosomal storage disease, due to acid-alpha-glucosidase (GAA) deficiency. The disease is characterized by massive glycogen accumulation in the cardiac and skeletal muscles. There i ...
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Journal ArticleJ Inherit Metab Dis · 2005
We present a series of 8 patients (6 males, 2 females) with hepatocellular carcinoma (HCC) and glycogen storage disease type Ia (GSD Ia). In this group, the age at which treatment was initiated ranged from birth to 39 years (mean 9.9 years). All patients b ...
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Journal ArticleMol Ther · January 2005
Glycogen storage disease type II (GSD-II; Pompe disease) causes death in infancy from cardiorespiratory failure. The underlying deficiency of acid alpha-glucosidase (GAA; acid maltase) can be corrected by liver-targeted gene therapy in GSD-II, if secretion ...
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Journal ArticleGene Ther · November 2004
Glycogen storage disease type II (GSD-II) is a lysosomal storage disorder in which the lack of human acid-alpha glucosidase (hGAA) activity results in massive accumulations of glycogen in cardiac and skeletal muscle fibers. Affected individuals die of card ...
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Journal ArticlePediatrics · October 2004
We report a patient with Pompe disease who developed reversible nephrotic syndrome during prolonged, high-dose, experimental, enzyme replacement therapy with recombinant human acid alpha-glucosidase (rhGAA). Because of the development of antibodies to rhGA ...
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Journal ArticleActa Physiol Scand · June 2004
AIMS: Gel electrophoresis revealed a band of molecular weight approximately 160 000 Da associated with the skeletal muscle sarcoplasmic reticulum (SR) vesicle preparations. This investigation sought to examine glycogen debranching enzyme associated with sk ...
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Journal ArticleMol Cell Biol · May 2004
A family of orphan transporters has been discovered that are structurally related to the Na(+)-Cl(-)-dependent neurotransmitter transporters, including the dopamine transporter. One member of this family, the mouse XT2 gene, is predominantly expressed in t ...
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Journal ArticleNature · April 1, 2004
Stevens-Johnson syndrome and the related disease toxic epidermal necrolysis are life-threatening reactions of the skin to particular types of medication. Here we show that there is a strong association in Han Chinese between a genetic marker, the human leu ...
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Journal ArticleJ Clin Invest · February 2004
Tandem mass spectrometry was applied to detect derangements in the pathways of amino acid and fatty acid metabolism in N-ethyl-N-nitrosourea-treated (ENU-treated) mice. We identified mice with marked elevation of blood branched-chain amino acids (BCAAs), k ...
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Journal ArticleNature · 2004
Stevens-Johnson syndrome and the related disease toxic epidermal necrolysis are life-threatening reactions of the skin to particular types of medication. Here we show that there is a strong association in Han Chinese between a genetic marker, the human leu ...
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Journal ArticlePediatr Res · August 2003
Tandem mass spectrometry was adopted for newborn screening by North Carolina in April 1999. Since then, three infants with short-chain acyl-CoA dehydrogenase (SCAD) and one with isobutyryl-CoA dehydrogenase deficiency were detected on the basis of elevated ...
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Journal ArticleAnal Biochem · May 15, 2003
Patients with glycogen storage disease type II (GSD II) typically excrete increased amounts of a glycogen-derived glucose tetrasaccharide, Glcalpha1-6Glcalpha1-4Glcalpha1-4Glc (Glc(4)), in the urine. With the advent of a new enzyme replacement therapy for ...
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Journal ArticleJ Gene Med · May 2003
BACKGROUND: Previously, in murine models of acid maltase deficiency (AMD), we demonstrated that intravenous administration of an improved adenovirus (Ad) vector encoding human acid alpha glucosidase (hGAA) resulted in liver transduction, followed by high-l ...
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Journal ArticleMol Ther · April 2003
We have developed an improved method for packaging adeno-associated virus (AAV) vectors with a replication-defective adenovirus-AAV (Ad-AAV) hybrid virus. The AAV vector encoding human acid alpha-glucosidase (hGAA) was cloned into an E1, polymerase/preterm ...
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Journal ArticleMol Ther · February 2003
We administered an adenovirus-adeno-associated virus (Ad-AAV) vector encoding human acid alpha-glucosidase (hGAA) to acid alpha-glucosidase-knockout (GAA-KO) mice on day 3 of life by gastrocnemius injection. In contrast to previous results for muscle-targe ...
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Journal ArticleAm J Pathol · January 2003
The mannose 6-phosphate/insulin-like growth factor 2 receptor (M6P/IGF2R) encodes a multifunctional protein involved in lysosomal enzyme trafficking, fetal organogenesis, tumor suppression, and T cell- mediated immunity. M6P/IGF2R is an imprinted gene in m ...
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Journal ArticleProceedings 50th ASMS Conference on Mass Spectrometry and Allied Topics · December 1, 2002
A hydrophilic interaction liquid chromatography electrospray ionization mass spectrometry (LC-ESI-MS/MS) method was established for the separation and analysis of hexose tetrasaccharide linkage isomers in urine, plasma and blood spots. Using the LC-ESI-MS/ ...
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Journal ArticleEur J Pediatr · October 2002
UNLABELLED: Glycogen storage disease type Ia (GSD Ia) is caused by mutations in the G6PC gene encoding the phosphatase of the microsomal glucose-6-phosphatase system. GSD Ia is characterized by hepatomegaly, hypoglycemia, lactic acidemia, hyperuricemia, hy ...
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Journal ArticleAm J Med Genet · August 8, 2002
The purpose of the study was to consider MRI hyperintensities as a potential endophenotype for bipolar disorder (BPD) and to investigate Notch3 (CADASIL) as a candidate gene for BPD. MRI scans were performed on 21 members of a family with a high incidence ...
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Journal ArticleGene Ther · August 2002
Therapy in glycogen storage disease type Ia (GSD Ia), an inherited disorder of carbohydrate metabolism, relies on nutritional support that postpones but fails to prevent long-term complications of GSD Ia. In the canine model for GSD Ia, we evaluated the po ...
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Journal ArticleAm J Physiol Endocrinol Metab · April 2002
The recent identification of several additional members of the family of sugar transport facilitators (gene symbol SLC2A, protein symbol GLUT) has created a heterogeneous and, in part, confusing nomenclature. Therefore, this letter provides a summary of th ...
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Journal ArticleMol Ther · April 2002
Lysosomal storage diseases are an intriguing target for gene therapy approaches, as transduction of a "depot" organ with a transgene encoding a lysosomal enzyme can be followed by secretion, systemic distribution, downstream uptake, and lysosomal targeting ...
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Journal ArticleCurr Mol Med · March 2002
Glycogen storage disease type I (GSD-I) is a group of autosomal recessive disorders with an incidence of 1 in 100,000. The two major subtypes are GSD-Ia (MIM232200), caused by a deficiency of glucose-6-phosphatase (G6Pase), and GSD-Ib (MIM232220), caused b ...
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Journal ArticleCurr Mol Med · March 2002
Deficiency of the glycogen debranching enzyme (gene, AGL) causes glycogen storage disease type III (GSD-III), an autosomal recessive disease affecting glycogen metabolism. Most GSD-III patients have AGL deficiency in both the liver and muscle (type IIIa), ...
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Journal ArticleProc Natl Acad Sci U S A · February 19, 2002
Proliferative oligodendrocyte progenitor cells (OPs) express large, delayed outward-rectifying K(+) currents (I(K)), whereas nondividing immature and mature oligodendrocytes display much smaller I(K). Here, we show that up-regulation of I(K) occurs in G(1) ...
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ConferenceEuropean Journal of Pediatrics, Supplement · January 1, 2002
Glycogen storage disease type Ia (GSD Ia) is caused by mutations in the G6PC gene encoding the phosphatase of the microsomal glucose-6-phosphatase system. GSD Ia is characterized by hepatomegaly, hypoglycemia, lactic acidemia, hyperuricemia, hyperlipidemia ...
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Journal ArticleJ Pediatr · June 2001
We report 2 patients with confirmed Niemann-Pick disease, type B, with previous diagnoses of glycogen storage disease based on excessive glycogen on liver biopsy specimens. These cases emphasize the importance of a complete evaluation, including biochemica ...
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Journal ArticleHum Gene Ther · May 20, 2001
Glycogen storage disease type II (GSD-II) is a lethal, autosomal recessive metabolic myopathy caused by a lack of acid-alpha-glucosidase (GAA) activity in the cardiac and skeletal muscles. Absence of adequate intralysosomal GAA activity results in massive ...
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Journal ArticleEur J Hum Genet · May 2001
Glycogen storage disease type IIIA (GSD IIIA) is caused by mutations of the amyloglucosidase gene (AGL). For most populations, none of the AGL mutations described to date is particularly frequent. In this paper, we report that six children with GSD IIIA fr ...
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Journal ArticleGenomics · February 15, 2001
Non-insulin-dependent diabetes mellitus (NIDDM) is a multifactoral disease with both environmental and genetics causes. Genome-wide screening procedures have identified several susceptibility loci for NIDDM within the human genome. We describe the cloning ...
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Journal ArticleVet Pathol · January 2001
A canine model of glycogen storage disease Ia (GSD Ia), similar clinically, biochemically, and pathologically to the human disease, was established by crossbreeding Maltese and Beagle dogs carrying a mutated, defective glucose-6-phosphatase (G-6-Pase) gene ...
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Journal ArticleGenet Med · 2001
PURPOSE: Infantile glycogen storage disease type II (GSD-II) is a fatal genetic muscle disorder caused by deficiency of acid alpha-glucosidase (GAA). The purpose of this study was to investigate the safety and efficacy of recombinant human GAA (rhGAA) enzy ...
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Journal ArticleAnal Biochem · December 1, 2000
A HPLC method associated with butyl-p-aminobenzoate derivatization has been developed for the analysis of a tetraglucose oligomer, Glcalpha1-6Glcalpha1-4Glcalpha1-4Glc, designated Glc(4), in biological fluids. This tetraglucose, normally excreted in the ur ...
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Journal ArticlePediatr Res · September 2000
Glycogen storage disease type 1a (GSD 1a) is caused by a deficiency in microsomal glucose-6-phosphatase (G6Pase). A variant (GSD 1b) is caused by a defect in the transport of glucose-6-phosphate (G6P) into the microsome and is associated with chronic neutr ...
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Journal ArticleMol Med Today · June 2000
Glycogen storage disease type II (GSD-II), also known as Pompe disease, is a fatal genetic muscle disorder caused by a deficiency of acid alpha-glucosidase, a glycogen-degrading lysosomal enzyme. Currently, there is no treatment for this fatal disorder. Ho ...
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Journal ArticleJ Inherit Metab Dis · February 2000
Mitochondrial fatty acid oxidation disorders cause hypoglycaemia, hepatic dysfunction, myopathy, cardiomyopathy and encephalopathy. Despite their recognition for more than 15 years, diagnosis and treatment remain difficult. To help design rational diagnost ...
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Journal ArticleMol Genet Metab · January 2000
Deficiency of glycogen debranching enzyme (AGL) activity causes glycogen storage disease type III (GSD-III). Generalized loss of AGL activity results in GSD-IIIa, and muscle-specific retention of AGL activity results in GSD-IIIb. To date, no common mutatio ...
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Journal ArticleEur J Pediatr · December 1999
UNLABELLED: Glycogen storage disease (GSD) types I, III, and IV can be associated with severe liver disease. The possible development of hepatocellular carcinoma and/or hepatic failure make these GSDs potential candidates for liver transplantation. Early d ...
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Journal ArticleJ Inherit Metab Dis · October 1999
The current mainstay of treatment in glycogen storage disease type I (GSD I) is dietary management that includes providing a frequent source of glucose to prevent hypoglycaemia. To ensure compliance, routine follow-up by a health care team, including a die ...
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Journal ArticlePrenat Diagn · September 1999
Deficiency of glycogen branching enzyme activity causes glycogen storage disease type IV (GSD-IV). Clinically, GSD-IV has variable clinical presentations ranging from a fatal neonatal neuromuscular disease, to a progressive liver cirrhosis form, and to a m ...
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Journal ArticleEur J Hum Genet · September 1999
The purpose of this work was to test the hypothesis that mutations in the putative glucose 6-phosphate translocase gene would account for most of the cases of GSD I that are not explained by mutations in the phosphohydrolase gene, ie that are not type Ia. ...
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Journal ArticleProc Natl Acad Sci U S A · August 3, 1999
This report demonstrates that a single intravenous administration of a gene therapy vector can potentially result in the correction of all affected muscles in a mouse model of a human genetic muscle disease. These results were achieved by capitalizing both ...
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Journal ArticleAm J Hum Genet · October 1998
Glycogen-storage diseases type I (GSD type I) are due to a deficiency in glucose-6-phosphatase, an enzymatic system present in the endoplasmic reticulum that plays a crucial role in blood glucose homeostasis. Unlike GSD type Ia, types Ib and Ic are not due ...
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Journal ArticleJ Inherit Metab Dis · April 1998
Glycogen storage disease type III (GSD III) is an autosomal recessive disease caused by the deficiency of glycogen debranching enzyme (AGL). We report the finding of two new mutations in a GSD IIIa Ashkenazi Jewish patient. Both mutations are insertion of ...
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Journal ArticlePediatr Res · March 1998
Acid alpha-glucosidase (GAA) deficiency causes Pompe disease, a lethal lysosomal glycogen storage disease for which no effective treatment currently exists. We investigated the endocytic process in deficient cells of human recombinant GAA produced in Chine ...
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Journal ArticleJ Clin Invest · February 15, 1998
Pompe disease is a fatal genetic muscle disorder caused by a deficiency of acid alpha-glucosidase (GAA), a glycogen degrading lysosomal enzyme. GAA-deficient (AMD) Japanese quails exhibit progressive myopathy and cannot lift their wings, fly, or right them ...
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Journal ArticlePrenat Diagn · January 1998
Deficiency of glycogen debranching enzyme gene (AGL) causes glycogen storage disease type III (GSD-III), an autosomal recessive disease. Prenatal diagnosis and carrier detection using enzymatic methods are technically difficult and have limited ability to ...
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Journal ArticleBiochim Biophys Acta · December 31, 1997
Acid alpha-glucosidase (GAA) hydrolyzes alpha-1, 4 and alpha-1, 6 glucosidic linkages of oligosaccharides and degrades glycogen in the lysosomes. The full-length GAA I cDNA, pQAM8, was isolated from a cDNA library derived from Japanese quail liver. The cDN ...
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Journal ArticleBiochem Mol Biol Int · October 1997
Large quantities of recombinant acid alpha-glucosidase are needed for in vivo experimentation of enzyme replacement therapy in Pompe disease. We describe a new purification method for the purification of this recombinant enzyme from tissue culture medium c ...
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Journal ArticleGene · September 15, 1997
Glycogen storage disease type III (GSD-III) is caused by a deficiency of glycogen debranching enzyme (AGL) activity. Patients are found to have deficient AGL activity in both muscle and liver, and also enzyme deficiency in the liver, but not in muscle. To ...
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Journal ArticleBiochem Mol Med · August 1997
Two Maltese puppies with massive hepatomegaly and failure to thrive had isolated deficient glucose-6-phosphatase (G-6-Pase) activity in liver and kidney and pathological findings compatible with GSD-Ia. To identify the mutation, we cloned G-6-Pase canine c ...
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Journal ArticleHypertension · April 1997
Salt sensitivity is a heritable trait that is a hallmark of hypertension in black Americans. Genes encoding adrenergic receptors are candidate loci for the inheritance of this hypertension-related trait because of the role of these receptors in the regulat ...
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Journal ArticleEur J Hum Genet · 1997
Glycogen storage disease type III (GSD III) is an autosomal recessive disease caused by the deficiency of glycogen-debranching enzyme (AGL). The overall incidence of the disease is about 1:100,000 life births in the USA; however, it is unusually frequent a ...
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Journal ArticleJ Med Genet · January 1997
Glycogen storage disease type III (GSD-III), an autosomal recessive disease, is caused by deficient glycogen debranching enzyme (GDE) activity. We identified three polymorphic markers in the GDE gene using single strand conformation polymorphism (SSCP) ana ...
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Journal ArticleHum Mutat · 1997
Glycogen storage disease type III (GSD-III) is an autosomal recessive disease resulting from deficient glycogen debranching enzyme (GDE) activity. A child with GDE deficient in both liver and muscle (GSD-IIIa) had recurrent hypoglycemia, seizures, severe c ...
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Journal ArticleGenomics · December 1, 1996
Glycogen debranching enzyme (gene symbol, AGL) is a multifunctional enzyme acting as 1,4-alpha-D-glucan:1,4-alpha-D-glucan 4-alpha-D-glycosyltransferase and amylo-1,6-glucosidase in glycogen degradation. Genetic deficiency of AGL activity causes glycogen s ...
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Journal ArticleJ Med Genet · September 1996
It is now well established that defects in fibrillin-1 (FBN1) cause the variable and pleiotropic features of Marfan syndrome (MFS) and, at the most severe end of its clinical spectrum, neonatal Marfan syndrome (nMFS). Patients with nMFS have mitral and tri ...
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Journal ArticleJ Clin Invest · July 15, 1996
Glycogen storage disease type HI (GSD-III), an autosomal recessive disease, is caused by deficient glycogen debranching enzyme (GDE) activity. Most GSD-III patients are GDE deficient in both liver and muscle (type IIIa), and some GSD-III patients have GDE ...
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Journal ArticleBiochem Mol Biol Int · July 1996
Glycogen debranching enzyme and acid alpha-glucosdase are responsible for glycogen degradation in human. The formal enzyme is a multifunctional enzyme with two independent catalytic activities occurring on a single polypeptide, while the latter is a lysoso ...
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Journal ArticleHypertension · June 1996
The adrenergic receptors have been implicated in the pathogenesis of essential hypertension. We hypothesized that hypertension is associated with variants at the beta2-adrenergic receptor locus and at one of the alpha2-adrenergic receptor loci. In unrelate ...
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Journal ArticleJ Clin Invest · February 15, 1996
Glycogen storage disease type IV (GSD-IV) is an autosomal recessive disease resulting from deficient glycogen-branching enzyme (GBE) activity. The classic and most common form is progressive liver cirrhosis and failure leading to either liver transplantati ...
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Journal ArticleProc Natl Acad Sci U S A · January 9, 1996
Infantile Pompe disease is a fatal genetic muscle disorder caused by a deficiency of acid alpha-glucosidase, a glycogen-degrading lysosomal enzyme. We constructed a plasmid containing a 5'-shortened human acid alpha-glucosidase cDNA driven by the cytomegal ...
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Journal ArticleJ Inherit Metab Dis · 1996
The classic clinical presentation for type IV glycogen storage disease (branching enzyme deficiency, GSD IV) is hepatosplenomegaly with failure to thrive occurring in the first 18 months of life, followed by progressive liver failure and death by age 5 yea ...
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Journal ArticleAm J Hum Genet · October 1995
Diagnosis of glycogen storage disease (GSD) type 1a currently is established by demonstrating the lack of glucose-6-phosphatase (G6Pase) activity in the patient's biopsied liver specimen. Recent cloning of the G6Pase gene and identification of mutations wi ...
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Journal ArticleVet Pathol · September 1995
Glycogen storage disease type Ia (GSD-Ia) (von Gierke's disease) was identified in two 47-day-old littermate Maltese puppies. The puppies were presented for necropsy with a history of failure to thrive, mental depression, and poor body condition. Gross fin ...
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Journal ArticleJ Clin Invest · January 1995
Glycogen storage disease (GSD) type 1, which is caused by the deficiency of glucose-6-phosphatase (G6Pase), is an autosomal recessive disease with heterogenous symptoms. Two models of G6Pase catalysis have been proposed to explain the observed heterogeneit ...
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Journal ArticleAm J Hum Genet · June 1994
Medium-chain acyl-CoA dehydrogenase (MCAD) deficiency is the most commonly recognized defect of the mitochondrial beta-oxidation in humans. It is a potentially fatal, autosomal recessive inherited defect. Most patients with MCAD deficiency are homozygous f ...
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Journal ArticleActa Neuropathol · 1994
A neonate with deficiency of branching enzyme (glycogenosis type IV) presented symptoms of severe hypotonia pre- and postnatally, and dilated cardiomyopathy in early infancy. The classical clinical manifestation of liver cirrhosis was not present, although ...
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Journal ArticleGastroenterology · December 1993
Type III glycogenosis, an inherited disorder of glycogen metabolism that results from reduced or absent activity of the enzyme amylo-1,6-glycosidase (debranching enzyme), has not been frequently associated with cirrhosis and portal hypertension in adults. ...
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Journal ArticleAm J Hum Genet · May 1993
Medium-chain acyl-coenzyme A dehydrogenase (MCAD) deficiency is a disorder of fatty acid catabolism, with autosomal recessive inheritance. The disease is characterized by episodic illness associated with potentially fatal hypoglycemia and has a relatively ...
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Journal ArticleEur J Pediatr · 1993
Long-term effects of cornstarch (CS) therapy on biochemical values and physical growth in children with type I glycogen storage disease (GSD I) were compared to those of children receiving continuous nocturnal nasogastric glucose feedings (CNG). Only patie ...
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Journal ArticleHum Hered · 1993
Medium-chain acyl CoA dehydrogenase (MCAD) deficiency is a potentially fatal inherited defect of fatty acid beta-oxidation. Approximately 90% of the disease-causing alleles in diagnosed patients are due to a single base mutation, an A (adenine) to G (guani ...
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Journal ArticleAm J Med Genet · September 1, 1992
We present a boy with a rare unbalanced translocation 46,XY,-15,+der(22),t(15;22)(q13;q11) pat. Previous reports of similar chromosome findings mention only the Prader-Willi phenotype. At birth, his manifestations included severe hypotonia and lethargy, (t ...
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Journal ArticleGenomics · August 1992
Glycogen debranching enzyme is a monomeric protein containing two independent catalytic activities of glycantransferase and glucosidase that are both required for glycogen degradation. Its deficiency causes type III glycogen storage disease. A majority of ...
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Journal ArticleAnn Intern Med · June 1, 1992
OBJECTIVE: To determine whether a specific subtype of glycogen storage disease type III is associated with myopathy and cardiomyopathy. DESIGN: Case series. SETTING: Three referral medical centers. PATIENTS: All patients with glycogen storage disease type ...
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Journal ArticleJ Biol Chem · May 5, 1992
cDNA comprising the entire length of the human muscle glycogen debranching enzyme was cloned and its nucleotide sequence determined. The debrancher mRNA includes a 4545-base pair coding region and a 2371-base pair 3'-nontranslated region. The calculated mo ...
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Journal ArticlePrenat Diagn · March 1992
Uncultured trophoblasts obtained from chorionic villus biopsy during the gestation period of 8-12 weeks were assayed for alpha-glucosidase activity using maltose as the substrate. Only one major form of maltase activity with a pH optimum at 4.0 was demonst ...
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Journal ArticleHum Mutat · 1992
Medium chain acyl-CoA dehydrogenase (MCAD) catalyzes the first reaction of the beta-oxidation cycle for 4-10-carbon fatty acids. MCAD deficiency is one of the most frequent inborn metabolic disorders in populations of northwestern European origin. In the c ...
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Journal ArticleAm J Hum Genet · January 1992
A mutation involving an A-to-G nucleotide replacement at position 985 of the medium-chain acyl-CoA dehydrogenase (MCAD) cDNA was found in homozygous form in 18 unrelated MCAD-deficient families and in heterozygous form in 4 families. By PCR amplification a ...
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Journal ArticleJ Inherit Metab Dis · 1992
In glycogen storage disease type III (glycogen debranching enzyme (DE) deficiency), the activities of serum alanine aminotransferase, aspartate aminotransferase and lactate dehydrogenase may be strikingly elevated during childhood but are low during adult ...
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Journal ArticleActa Paediatr Scand · November 1991
Neutropenia, neutrophil dysfunction, and recurrent infections are important manifestations of glycogen storage disease type Ib. We report here a child who has had adequate metabolic control, but developed brain abscess, an infection not previously describe ...
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Journal ArticleAm J Med Genet · January 1991
VACTERL association with hydrocephalus is rarely reported, and is thought to be an autosomal recessive uniformly lethal disorder distinct from the VATER association. We have observed 3 patients in a 12-month period with hydrocephalus due to aqueductal sten ...
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Journal ArticlePediatr Nephrol · January 1991
Type I glycogen storage disease (GSD-I) is due to the deficiency of glucose-6-phosphatase activity in the liver, kidney and intestine. Although kidney enlargement occurs in GSD-I, renal disease has not been considered a major problem until recently. In old ...
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Journal ArticleJ Inherit Metab Dis · 1991
Renal disease is a frequent and serious complication of type I glycogen storage disease. A type I glycogen storage disease patient with focal segmental glomerulosclerosis and progressive renal insufficiency underwent a renal allograft transplantation. Desp ...
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Journal ArticleNeuromuscul Disord · 1991
A 54-yr-old woman who presented with chest pain and elevated serum creatine kinase levels was found to have type III glycogen storage disease. Except for a history of hepatomegaly in childhood, she was healthy and lived a normal life. There was no hypoglyc ...
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Journal ArticleAm J Hum Genet · October 1990
Prenatal diagnosis for type III glycogen storage disease was performed by using (1) immunoblot analysis with a polyclonal antibody prepared against purified porcine-muscle debranching enzyme and (2) a qualitative assay for debranching-enzyme activity. Cult ...
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Journal ArticleToxicol Appl Pharmacol · September 15, 1990
Exposure of cells to microsomal enzyme inducers can modify the potency of many carcinogens. We have examined the steady-state level of RNA from the P(1)450 gene and the metabolism of benzo[a]pyrene (BP) in primary cultures of human hepatocytes exposed for ...
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Journal ArticleJ Pediatr · January 1990
To determine the tissue distribution of glycogen debranching enzyme, we used immunoblot analysis with a polyclonal antibody prepared against purified porcine muscle debranching enzyme. Debranching enzyme was identified in porcine brain, kidney, cardiac mus ...
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Journal ArticleAnn Intern Med · November 15, 1989
Cystic fibrosis is the commonest autosomal recessive genetic disorder among northern Europeans and their descendants. Recently, investigators have mapped the gene for cystic fibrosis to chromosome 7. We report the results of DNA linkage analysis in a consa ...
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Journal ArticleCarcinogenesis · February 1989
We have demonstrated that the human cytochrome P1-450 gene can be transfected into the AHH-1 human lymphoblastoid cell line using the pHEBo vector and hygromycin selection. The transfected gene was expressed when regulatory sequences derived from the herpe ...
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Journal ArticleN Engl J Med · January 7, 1988
Although kidney enlargement occurs in Type I glycogen storage disease, renal disease has not been considered a major problem. Death from renal failure in three patients known to us prompted a study of renal function in this disorder. Of the 38 patients wit ...
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Journal ArticleGenomics · 1988
The locus recognized by the probe OS-3 is assigned to chromosome 10 both by Southern blot analysis of a panel of somatic cell hybrid DNAs and by genetic linkage to markers already assigned to chromosome 10. In Caucasians this probe recognizes a three-allel ...
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Journal ArticleAm J Hum Genet · December 1987
Type III glycogen storage disease is caused by a deficiency of glycogen debranching-enzyme activity. Many patients with this disease have both liver and muscle involvement, whereas others have only liver involvement without clinical or laboratory evidence ...
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Journal ArticleBiochem Biophys Res Commun · March 30, 1987
Two fat soluble vitamins, Vitamins E and K, when added into culture medium, were found to increase aryl hydrocarbon hydroxylase activity in human cultured cells. The extent of induction in a hepatoma-derived cell line (Hep G2) by these vitamins is of simil ...
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Journal ArticleEur J Biochem · September 16, 1985
We have isolated four overlapping human genomic clones associated with the polynuclear aromatic hydrocarbon-induced form of cytochrome P-450. The form of P-450 most closely associated with polynuclear aromatic hydrocarbons induction has been defined as P1- ...
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Journal ArticleJ Inherit Metab Dis · 1985
Type I glycogen storage disease (McKusick 23220), an inherited absence or deficiency of glucose-6-phosphatase (EC 3.1.3.9) activity in the liver, kidney and intestine, is associated with the accumulation of glycogen in those organs. Previous reports have s ...
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Journal ArticlePediatr Res · April 1984
Rats were fed a 50% galactose diet during pregnancy and nursing, and the testes were later examined and hormone levels determined in male offspring. Exposure to galactose for various periods during pregnancy, throughout the entire gestation, or postnatally ...
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Journal ArticleEuropean Journal of Biochemistry · 1983
Clone 46 was previously shown to represent mouse cytochrome P1-450 cDNA by both translation arrest experiments and segregation of induced P1-450 mRNA with induced aryl hydrocarbon hydroxylase activity among individual 3-methylcholanthrene-treated offspring ...
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Journal ArticleDev Pharmacol Ther · 1983
16 common therapeutic agents were screened for differences in sedation or lethality between C57BL/6N and DBA/2N inbred mouse strains that had been previously treated with beta-naphthoflavone. No differences were observed for meprobamate, valium, promethazi ...
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Journal ArticleEuropean Journal of Biochemistry · 1982
Anti-(P1-450) and anti-(P-448) are two antibodies developed against distinctly different forms of 3-methylcholanthrene-induced cytochrome P-450 in C57BL/6N mouse liver microsomes. The effects of these antibodies on Long-Evans and Sprague-Dawley rat liver m ...
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Journal ArticleDNA · 1982
Clone 46 previously was shown to represent an 1100-bp cDNA clone of the mouse cytochrome P1-450 structural gene. Clone 46 [32P]DNA was hybridized to DNA and mRNA from mouse, rat, and rabbit of different ages. In Hpa II digests of DNA, two hybridizable frag ...
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Journal ArticleScience · December 4, 1981
When pregnant rats were fed a 50 percent galactose diet there was a striking reduction in oocyte number in the offspring. The most prominent effects were noted after exposure to galactose during the premeiotic stages of oogenesis. Prenatal exposure to gala ...
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Journal ArticleSomatic Cell Genet · May 1978
Acetylcholinesterase (AchE) is reported to have a narrowly restricted distribution among human tissues. Three strains of human fibroblasts which are trisomic for chromosome 2 had an average level of AchE activity over 28 times higher than the average level ...
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