Journal articleAm J Law Med · December 2021
Dennis Lindberg came into his aunt's care when he was in the 4th grade because his parents struggled with drug addiction and could not provide for him. At thirteen, he was baptized in his aunt's faith as a Jehovah's Witness. Just days after he turned fourt ...
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Journal articleGames Health J · August 2020
Objectives: Smartphone applications ("apps") can be used to promote health behavior change and expand the reach of behavioral interventions. To date, only a few existing apps have been developed for health promotion among adolescent survivors of childhood ...
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Journal articleHastings Cent Rep · November 2019
Since antiquity, doctors have employed case reports as an essential and ongoing part in communicating information about patients and their diseases to their colleagues and, at times, to the wider, nonmedical world. Given how useful case reports have been, ...
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Journal articleJ Med Philos · July 29, 2019
Rationing is an unavoidable mechanism for reining in healthcare costs. It entails establishing cutoff points that distinguish between what is and is not offered or available to patients. When the resource to be distributed is defined by vague and indetermi ...
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Journal articleHEC Forum · June 2019
Patient and family demands for the initiation or continuation of life-sustaining medically non-beneficial treatments continues to be a major issue. This is especially relevant in intensive care units, but is also a challenge in other settings, most notably ...
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Journal articleJ Med Ethics · October 2018
Human allografts for life-threatening organ failure have been demonstrated to be lifesaving and are now considered to be standard of care for many conditions. Transplantation of non-vital anatomic body parts has also been accomplished. Hand transplantation ...
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Journal articleHastings Cent Rep · July 2018
Most of us working in health care are concerned-perhaps even appalled-when patients make demands for doctors or nurses or other caregivers that accord with their bigoted sentiments. Even though there may be some reasons to believe that matching certain cha ...
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Journal articleAm J Bioeth · February 2018
Technological advances in veterinary medicine have produced considerable progress in the diagnosis and treatment of numerous diseases in animals. At the same time, veterinarians, veterinary technicians, and owners of animals face increasingly complex situa ...
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Journal articleCamb Q Healthc Ethics · January 2018
The number of patients with organ failure who could potentially benefit from transplantation continues to exceed the available supply of organs. Despite numerous efforts to increase the number of donors, there remains an enormous mismatch between demand an ...
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Journal articleHEC Forum · June 2017
As medical technology continues to improve, more people will live longer lives with multiple chronic illnesses with increasing cumulative debilitation, including cognitive dysfunction. Combined with the aging of society in most developed countries, an ever ...
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Journal articleGlob Public Health · May 2017
The concept of brain death (BD), defined as irreversible loss of function of the brain including the brainstem, is accepted in the medical literature and in legislative policy worldwide. However, in most of Sub-Saharan Africa (SSA) there are no legal guide ...
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Journal articleAMA J Ethics · May 1, 2017
In Western medicine, a central component of respecting a person's ability to make decisions governing what happens to herself is ensuring that she is provided with sufficient relevant information to make a rational choice. For patients who lack the cogniti ...
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Journal articleAm J Bioeth · February 2017
The Institute of Medicine and the American Heart Association have issued a "call to action" to expand the performance of cardiopulmonary resuscitation (CPR) in response to out-of-hospital cardiac arrest. Widespread advertising campaigns have been created t ...
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Journal articleAMA J Ethics · February 1, 2017
A principal component of physician decision making is judging what interventions are clinically appropriate. Due to the inexorable and steady increase of health care costs in the US, physicians are constantly being urged to exercise judicious financial ste ...
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Journal articleHEC Forum · March 2015
The current outbreak of Ebola virus infection in West Africa continues to spread. Several patients have now been treated in the United States and preparations are being made for more. Because of the strict isolation required for their care, questions have ...
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Journal articleAm J Bioeth · 2015
The current Ebola virus epidemic in Western Africa appears to be spiraling out of control. The worst-case projections suggested that the unchecked spread could result in almost 1.4 million cases by the end of January 2015 with a case fatality rate of at le ...
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Journal articleJ Law Med Ethics · 2015
In Western industrialized countries, it is well established that legally competent individuals may choose a surrogate healthcare decision-maker to represent their interests should they lose the capacity to do so themselves. There are few limitations on who ...
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Journal articleHEC Forum · September 2013
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For many years a debate has raged over what constitutes futile medical care, if patients have a right to demand what doctors label as futile, and whether physicians should be obliged to provide treatments that they think are inappropriate. More recently, t ...
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Journal articleJ Pediatr Hematol Oncol · August 2013
BACKGROUND: Children who undergo treatment for childhood acute lymphoblastic leukemia (ALL) and lymphoma are at risk for several long-term health problems. Obesity, for which survivors of ALL and lymphoma are also at risk, may further exacerbate these prob ...
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Journal articleAm J Med Genet A · May 2013
Germline loss of function mutations in tumor suppressor genes RB1 and LKB1/STK11 are associated with the autosomal dominant cancer predisposing syndromes familial retinoblastoma and Peutz-Jeghers syndrome (PJS), respectively. We present a rare case of a yo ...
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Journal articlePediatrics · April 2013
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The nature and scope of mature adolescents' legal authority to consent to general medical treatment without parental involvement is often misrepresented by commentators. This state of affairs is further complicated by the law itself, which has developed a ...
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Journal articleArch Intern Med · October 22, 2012
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The number of critical medication shortages in the United States has reached an unprecedented level, requiring decisions about allocating limited drug supplies. Ad hoc decisions are susceptible to arbitrary judgments, revealing preformed biases for or agai ...
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Journal articleTheor Med Bioeth · June 2012
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The ongoing revolution in molecular genetics has led many to speculate that one day we will be able to change the expression or phenotype of numerous complex traits to improve ourselves in many different ways. The prospect of genetic enhancements has gener ...
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Journal articleJ Bioeth Inq · June 2012
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Over the last 80 years, a major goal of medical educators has been to improve the quality of applicants to medical school and, hence, the resulting doctors. To do this, academic standards have been progressively strengthened. The Medical College Admission ...
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Journal articleAm J Bioeth · 2012
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Periodic and unexpected shortages of drugs, biologics, and even medical devices have become commonplace in the United States. When shortages occur, hospitals and clinics need to decide how to ration their available stock. When such situations arise, instit ...
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Journal articleJ Med Ethics · October 2011
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The potential for genetic engineering of enhancements to complex human traits has been the subject of vigorous debate for a number of years. Most of the discussion has centered on the possible moral consequences of pursuing enhancements, especially those t ...
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Journal articleJ Health Care Poor Underserved · August 2011
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CONTEXT: Planning for a severe influenza pandemic entails facing many substantive public health challenges, especially in the area of the distribution of insufficient supplies of materials and personnel. It is anticipated that rationing of health care reso ...
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Journal articlePsychooncology · September 2010
OBJECTIVE: Survivors of childhood cancer are at an increased risk for reduced quality of life (QOL), yet few studies have explored factors associated with improving health-related QOL (HRQOL) in this population. We thus explored the relationship between ph ...
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Journal articleScience Technology and Human Values · March 1, 2010
Behavioral genetics has as its goal the discovery of genes that play a significant causal role in complex phenotypes that are socially relevant such a parenting, aggression, psychiatric disorders, intelligence, and even race. In this article, I present the ...
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Journal articleJ Clin Ethics · 2010
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In the event of a widespread health catastrophe in which either or both human and material resources were in critically short supply, rationing must take place, especially if the scarcity will last for some time. There are several tested allocation methods ...
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Journal articleJ Pediatr Hematol Oncol · February 2008
BACKGROUND: Although significant progress has been made in identifying long-term sequelae for adult survivors of childhood cancer, comparatively little attention has been paid to the functioning of their parents. In a previous study, we observed that a maj ...
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Journal articleSoc Work Health Care · 2008
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Many healthcare organizations and government agencies are making detailed preparations for the possibility of a pandemic of highly virulent influenza. All plans to date have recognized that there will undoubtedly be a greater need for medical resources tha ...
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Journal articleOncol Nurs Forum · January 2008
PURPOSE/OBJECTIVES: To determine childhood cancer survivors' barriers to increasing exercise and consuming less fat and more fruits and vegetables, whole grains, and calcium-rich foods. DESIGN: Mailed survey. SETTING: Cases from a comprehensive cancer cent ...
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Journal articleAm J Clin Pathol · December 2007
In the World Health Organization classification, cases with classical Burkitt morphologic features and a very high proliferation fraction but without the MYC translocation are not clearly designated as a separate entity and are usually categorized as diffu ...
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Journal articleStud Hist Philos Biol Biomed Sci · March 2006
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Genetic determinism labels the morally problematical claim that some socially significant traits, traits we care about, such as sexual orientation, gender roles, violence, alcoholism, mental illness, intelligence, are largely the results of the operation o ...
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Journal articlePediatr Blood Cancer · October 15, 2005
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The risk of second malignancies after successful treatment for Hodgkin disease can be considerable. The most common malignancies are solid tumors arising in irradiated sites, such as the breast and thyroid gland after mantle field radiation. Sarcomas and o ...
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Journal articleCancer · May 15, 2005
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BACKGROUND: Survivors of childhood cancer are at increased risk for osteoporosis, cardiovascular disease, and second malignancies-conditions for which modifiable risk factors are recognized and lifestyle interventions have shown benefit. Although some data ...
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Journal articleCancer Epidemiol Biomarkers Prev · May 2005
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OBJECTIVE: Mailed surveys are widely used to collect epidemiologic and health service data. Given that nonresponse can threaten the validity of surveys, modest incentives are often used to increase response rates. A study was undertaken among childhood can ...
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Journal articleCancer Genet Cytogenet · October 1, 2004
We report the case of an 11-month-old patient with a clinical diagnosis of infantile acute lymphoblastic leukemia and an MLL (11q23) rearrangement in 69% of nuclei, revealed with interphase fluorescence in situ hybridization (FISH). Routine chromosome anal ...
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Journal articleJ Pediatr Hematol Oncol · November 2003
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PURPOSE: Adult survivors of childhood cancer have been an underserved and understudied population. Few clinics are available to take care of them, unlike the numerous ones that exist for children. The authors established a clinic that would take care of al ...
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Journal articleJ Pediatr Hematol Oncol · September 2003
It is currently thought that approximately 1% of children with Down syndrome will develop a "premalignant" syndrome known as transient myeloproliferative disorder (TMD). Prospective, population-based studies of the incidence of TMD in Down syndrome infants ...
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Journal articlePediatr Hematol Oncol · September 2003
IgA deficiency is a relatively common congenital immunodeficiency in children. It can either be asymptomatic or lead to frequent infections, most often of the sinuses and lungs. Intensive chemotherapy for acute leukemia is also profoundly immunosuppressive ...
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Journal articleJ Urol · September 2001
PURPOSE: In the last half century the molecular biology, pathophysiology and natural history of sickle cell disease have been well defined. Sickle cell disease causes microvascular occlusion, which is manifested in most organ systems. The genitourinary tra ...
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Journal articleJ Pediatr Hematol Oncol · May 2001
Basal cell carcinoma (BCC) occurs rarely in children and is most often associated with an underlying condition that predisposes patients to the development of malignancy. There have been numerous reports of BCC developing after puberty in nevus sebaceus; h ...
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Journal articlePediatr Hematol Oncol · March 2001
Follicle-derived thyroid cancer is rare in the young. The authors examined a population with a low rate of radiation exposure and who were treated at a single institution. The records of 56 patients diagnosed before the age of 25 years were analyzed. The m ...
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Journal articleMed Pediatr Oncol · June 2000
BACKGROUND: The EWS gene, a transcription factor of unknown function, is involved in chromosomal translocations associated with a wide variety of tumors, particularly small round blue cell tumors such as Ewing sarcoma. It has previously been reported that ...
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Journal articlePediatr Hematol Oncol · 2000
A case report is presented of an 8-year-old boy who underwent resection of a thyroglossal duct cyst to illustrate a rare, but significant, complication of a common clinical problem. Pathological examination revealed that it contained a papillary adenocarci ...
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Journal articleCancer Genet Cytogenet · July 15, 1999
We describe a 7-year-old girl with therapy-related acute myeloid leukemia (AML) associated with a single and novel karyotypic abnormality. The patient had been treated with alkylating agents and etoposide for hypothalamic pilocytic astrocytoma at age 17 mo ...
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Journal articleCancer · August 15, 1998
BACKGROUND: Second primary malignancies are common after bilateral retinoblastoma; their estimated incidence has been as high as 51% 50 years after diagnosis. Fifteen patients who developed sebaceous gland carcinoma after radiation therapy have been report ...
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Journal articleJ Pediatr Hematol Oncol · 1998
PURPOSE: We describe an adolescent girl with Stage 1 Ewing's tumor and localized papillary adenocarcinoma of the thyroid gland, a previously unreported association. PATIENTS AND METHODS: A 14-year-old girl with right axillary adenopathy was evaluated. RESU ...
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Journal articleBone Marrow Transplant · August 1997
Severe aplastic anemia (SAA) is a frequent complication of orthotopic liver transplantation for non-typeable viral hepatitis. Allogeneic bone marrow transplantation (BMT) may successfully reconstitute hematopoiesis but the optimal conditioning regimen and ...
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Journal articleCan J Physiol Pharmacol · May 1996
Pertussis toxin (PTX) is a heterohexameric protein, which is divided into subunits A and B. The A-subunit (protomer) possesses adenine diphosphate (ADP) ribosyltransferase activity, and the B-oligomer confers cell surface binding specificity on the toxin. ...
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Journal articleImmunology · May 1996
Stimulation of monoblastic U937 cells with transforming growth factor beta 1 and 1,25-(OH)2 vitamin D3 (TGF-beta 1/D3) upregulates urokinase receptor (uPAR) and confers urokinase-dependent adhesiveness to the cells for serum- or vitronectin-coated surfaces ...
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Journal articleJ Pediatr · October 1995
A 4-year-old girl known to have peripheral uridine diphosphate-galactose 4-epimerase deficiency was examined for bruising and thrombocytopenia. She had dysplastic peripheral blood and bone marrow changes, with a global platelet function defect. Uridine dip ...
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Journal articleMol Immunol · April 1995
In addition to the antigen receptor, resting T cells express a number of receptors that can be stimulated to generate proliferative signals. These "accessory" receptors require co-expression of the T cell receptor (TCR), suggesting that they channel their ...
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Journal articleJ Pediatr Hematol Oncol · February 1995
PURPOSE: I describe two siblings who have a novel congenital bone marrow failure syndrome with myelodysplastic features without progression to malignancy for 13 and 20 years, respectively. PATIENTS AND METHODS: Male and female siblings were evaluated for c ...
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Journal articleJ Immunol · April 15, 1993
Stimulation of T lymphocytes via the TCR/CD3 complex initiates a series of intracellular biochemical events. Among the earliest cellular responses are the stimulation of the turnover of phosphatidylinositol and an increase in the intracellular Ca2+ concent ...
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Journal articleCell Calcium · February 1993
The activation of T lymphocytes, like many cells, requires a rapid rise in intracellular Ca2+ secondary to both an influx and a release from intracellular stores. The latter is activated by inositol-1,4,5-trisphosphate [Ins(1,4,5)P3]. It is controversial i ...
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Journal articleJournal of Immunology · January 1, 1993
Stimulation of T lymphocytes via the TCR/CD3 complex initiates a series of intracellular biochemical events. Among the earliest cellular responses are the stimulation of the turnover of phosphatidylinositol and an increase in the intracellular Ca2+
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Journal articleJ Immunol · November 15, 1992
Prolonged exposure of many types of receptors to their cognate agonists can lead to a progressive lack of responsiveness. When this occurs after stimulation by the primary agonist for a given receptor it is termed homologous desensitization, and heterologo ...
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Journal articleCell Calcium · November 1992
The yeast mating pheromones, a and alpha factors, bind to specific G protein-coupled receptors in haploid cells and bring about both growth arrest in the early G1 phase of the cell cycle and differentiation into mating capable cells. This induces an increa ...
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Journal articleJ Lab Clin Med · October 1991
Neutrophils produce reactive oxygen species (superoxide anion [O2-]) via activation of reduced nicotinamide dinucleotide phosphate oxidase. In the intact neutrophil, this enzyme can be activated by increases in cytosolic calcium, protein kinase C, and unsa ...
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Journal articleJ Immunol · July 15, 1990
Pertussis toxin (PTx), an exotoxin of Bordetella pertussis has been used as a molecular probe to study stimulus-response coupling in a wide variety of cells. We have previously shown that PTx activates the same signal transduction pathways as Ag or mAb dir ...
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Journal articleSemin Immunol · March 1990
Interleukin-1 (IL-1) is a polypeptide hormone produced by a wide variety of cells in response to immunologic challenge. It appears to play a vital role not only in the generation of an appropriate immune response but also in the pathogenesis of several dis ...
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Journal articleYale J Biol Med · 1990
Interleukin 1 (IL-1) is a polypeptide which possesses a wide variety of biological properties. IL-1 was originally studied as "endogenous pyrogen" and "leukocytic endogenous mediator" and more recently as "lymphocyte activating factor." Within a few minute ...
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Journal articleJ Biol Chem · August 25, 1989
Granulocyte-macrophage colony-stimulating factor (GM-CSF) is a hematopoietic cytokine which produces diverse biological effects in target cells of myeloid origin. GM-CSF enhances the production of superoxide anion (O2-) by mature neutrophils in response to ...
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Journal articleClin Immunol Immunopathol · February 1989
This report provides direct evidence that protein kinase C (PKC) is activated in isolated, rigorously accessory cell (AC)-depleted T cells when the T cell antigen recognition complex is stimulated by divalent anti-CD3 monoclonal antibody. Anti-CD3 monoclon ...
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Journal articleLymphokine Res · 1989
We have previously shown that interleukin-1 (IL-1) rapidly stimulates the hydrolysis of phosphatidylcholine in the human T lymphocyte cell line, Jurkat (Rosoff, et al., Cell 54: 73-81, 1988). This was apparently mediated by a phospholipase-C catalyzed mech ...
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Journal articleJ Biol Chem · December 25, 1988
Stimulation of the CD3-T cell antigen receptor complex on T lymphocytes results in a rapid rise in intracellular calcium from both intra- and extracellular sources. The former is thought to be released from the endoplasmic reticulum in response to inositol ...
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Journal articleCell · July 1, 1988
We have investigated the biochemical mechanism by which interleukin-1 (IL-1) serves as a comitogen with agents that directly activate the antigen receptor in T lymphocytes. We have studied the human T cell line Jurkat, which can be stimulated to produce In ...
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Journal articleJ Immunol · October 1, 1987
Pertussis toxin (PT) is a known mitogen for T lymphocytes. The mechanism by which the toxin stimulates proliferation has remained obscure and paradoxical because, in some types of cells, the toxin also inhibits growth factor-mediated signal transduction. I ...
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Journal articleCell · June 19, 1987
We investigated the role of the L3T4 molecule in mitogen and antigen-initiated signal transduction in the L3T4(+) murine T cell hybridoma, 3DT52.5.9 and an L3T4(-) variant, 3DT52.5.24. Both Concanavalin A (Con A) and specific antigen stimulated increases i ...
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Journal articleJ Cell Biol · August 1986
The cyclic undecapeptide cyclosporine A (CsA) is a potent immunosuppressive agent that inhibits the initial activation of T lymphocytes. This agent appears to be most effective in blocking the action of mitogens such as concanavalin A and the calcium ionop ...
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Journal articleJournal of Cell Biology · 1986
The cyclic undecapeptide cyclosporine A (CsA) is a potent immunosuppressive agent that inhibits the initial activation of T lymphocytes. This agent appears to be most effective in blocking the action of mitogens such as concanavalin A and the calcium ionop ...
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Journal articleJ Biol Chem · November 15, 1985
Three monoclonal antibodies reactive with different structural domains of the T3-T cell receptor complex of the human T cell leukemia line, HPB-ALL, were previously shown to activate a membrane potential-sensitive, La3+-inhibitable Ca2+ influx (Oettgen, H. ...
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Journal articleJ Biol Chem · August 5, 1985
We have recently shown that both lipopolysaccharide (LPS) and the phorbol ester, 12-O-tetradecanoyl phorbol 13-acetate (TPA) induce differentiation in the transformed murine pre-B lymphocyte cell line 70Z/3 by enhancing Na+-H+ exchange across the plasma me ...
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Journal articleCell · March 1985
Three monoclonal antibodies selected for their recognition of parts of the T3-T cell receptor complex on human T lymphocytes were found to induce an increase in cytoplasmic free Ca2+ (Ca2+i) in the T cell leukemia line HPB-ALL as measured by Quin2 fluoresc ...
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Journal articleJ Biol Chem · June 10, 1984
The murine pre-B-lymphocyte cell line 70Z /3 may be induced to differentiate to a surface immunoglobulin-positive phenotype by the polyclonal B-cell mitogen, lipopolysaccharide. This is accomplished via activation of an amiloride-sensitive Na+-uptake syste ...
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Journal articleProc Natl Acad Sci U S A · December 1983
The ability of lipopolysaccharide (LPS), a polyclonal B-cell mitogen, to induce differentiation in the pre-B cell tumor line 70Z/3 can be mimicked by drugs that increase the intracellular Na+ concentration. Pharmacologically increasing the cellular Na+ con ...
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Journal articleBlood · June 1983
We describe a patient whose peripheral blood neutrophils and bone marrow precursors (beyond promyelocytes) contained multiple large azurophilic granules. There were also giant granules in eosinophils, basophils, melanocytes, renal tubules, thyroid, and neu ...
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