Journal articleLaryngoscope · November 2026
OBJECTIVES: Facial pain or pressure is often non-rhinogenic but is frequently misdiagnosed as sinusitis, leading to inappropriate treatment with antibiotics and surgery. The objective of this study was to develop and validate a brief self-administered ques ...
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Journal articleNat Commun · March 18, 2026
Alzheimer's Disease (AD) is a neurodegenerative condition affecting millions worldwide. Defining early pathobiological events remains challenging, in part due to inaccessibility of neural tissue. Because olfactory neurons are accessible, and olfactory loss ...
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Journal articleChem Senses · March 2, 2026
Resident stem cells support tissue maintenance in self-renewing adult tissue niches, including the olfactory epithelium, the peripheral organ for smell. In adult mammals, olfactory basal cells support neurogenesis and barrier epithelial maintenance, but wh ...
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Journal articleCommun Med (Lond) · December 29, 2025
BACKGROUND: Millions of people exhibit olfactory dysfunction years after acute SARS-CoV-2 infection. Evidence suggests unresolved olfactory epithelial inflammation may perturb function. Here, we report (1) data from human olfactory biopsies processed for T ...
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Journal articleLaryngoscope · December 2025
OBJECTIVE: Phase III trials have shown that dupilumab is an effective and well-tolerated adjunct treatment for patients with uncontrolled chronic rhinosinusitis with nasal polyps (CRSwNP). However, real-world data pertaining to tolerability and adverse eff ...
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Journal articleDev Cell · September 8, 2025
Understanding tumor cell plasticity, a potential mechanism driving therapeutic resistance in many cancers, represents a key oncologic challenge. In this issue of Developmental Cell, Xu et al. leverage neuroblastoma as a tractable model for exploring mechan ...
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Journal articleLaryngoscope · August 2025
OBJECTIVE: Facial pain/pressure is often non-rhinogenic and migraine-related in etiology. However, this is frequently misdiagnosed as sinusitis, leading to inappropriate antibiotic utilization and unnecessary procedures. We assessed the utility of the 3-It ...
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Journal articleClin Exp Otorhinolaryngol · August 2025
Olfactory loss affects more than 12% of the population, with prevalence increasing in aging individuals. Multiple conditions can lead to a loss of smell (hyposmia or anosmia), including post-viral damage from coronavirus disease 2019 (COVID-19) or influenz ...
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Journal articleCancer Cell · June 10, 2024
The olfactory epithelium undergoes neuronal regeneration from basal stem cells and is susceptible to olfactory neuroblastoma (ONB), a rare tumor of unclear origins. Employing alterations in Rb1/Trp53/Myc (RPM), we establish a genetically engineered mouse m ...
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Journal articleWorld J Otorhinolaryngol Head Neck Surg · June 2024
An acute loss of smell emerged as a striking symptom present in roughly half of the people infected with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus in the early phases of the COVID-19 pandemic. In most COVID-19 patients, olfacti ...
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Journal articleStem Cell Reports · November 14, 2023
Adult neurogenesis occurs in the mammalian olfactory epithelium to maintain populations of neurons that are vulnerable to injury yet essential for olfaction. Multipotent olfactory basal stem cells are activated by damage, although mechanisms regulating lin ...
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Journal articleCancer Res Commun · June 2023
UNLABELLED: Olfactory neuroblastoma is a rare tumor arising from the olfactory cleft region of the nasal cavity. Because of the low incidence of this tumor, as well as an absence of established cell lines and murine models, understanding the mechanisms dri ...
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Journal articleSci Transl Med · December 21, 2022
SARS-CoV-2 causes profound changes in the sense of smell, including total smell loss. Although these alterations are often transient, many patients with COVID-19 exhibit olfactory dysfunction that lasts months to years. Although animal and human autopsy st ...
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Journal articleAm J Rhinol Allergy · September 2022
BACKGROUND: Endoscopic sinus surgery (ESS) offers excellent outcomes for patients with chronic rhinosinusitis (CRS) in the general population. It is unclear whether older patients with significant medical comorbidities experience similar benefits. OBJECTIV ...
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Journal articlebioRxiv · April 18, 2022
Most human subjects infected by SARS-CoV-2 report an acute alteration in their sense of smell, and more than 25% of COVID patients report lasting olfactory dysfunction. While animal studies and human autopsy tissues have suggested mechanisms underlying acu ...
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Journal articleInt Forum Allergy Rhinol · April 2022
BACKGROUND: The literature regarding clinical olfaction, olfactory loss, and olfactory dysfunction has expanded rapidly over the past two decades, with an exponential rise in the past year. There is substantial variability in the quality of this literature ...
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Journal articleJ Clin Invest · February 15, 2022
BACKGROUNDPresbyosmia, or aging-related olfactory loss, occurs in a majority of humans over age 65 years, yet remains poorly understood, with no specific treatment options. The olfactory epithelium (OE) is the peripheral organ for olfaction and is subject ...
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Journal articleLaryngoscope · April 2021
OBJECTIVE: Sinonasal squamous cell carcinoma (SCC) is rare with no consensus on treatment regimen. Our goal is to analyze treatment outcomes in poorly differentiated SCC (PDSCC) using a large national database. STUDY DESIGN: Retrospective database study. M ...
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Journal articleLaryngoscope Investig Otolaryngol · December 2020
OBJECTIVES: Mesenchymal stem cells (MSCs), classically expanded in culture from bone marrow, are of broad interest to the regenerative medicine community. Human nasal turbinate mesenchymal-like stem cell cultures have also been described, defined by an in ...
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Journal articleChem Senses · October 9, 2020
The chemical senses of taste and smell play a vital role in conveying information about ourselves and our environment. Tastes and smells can warn against danger and also contribute to the daily enjoyment of food, friends and family, and our surroundings. O ...
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Journal articleSci Adv · July 31, 2020
Altered olfactory function is a common symptom of COVID-19, but its etiology is unknown. A key question is whether SARS-CoV-2 (CoV-2) - the causal agent in COVID-19 - affects olfaction directly, by infecting olfactory sensory neurons or their targets in th ...
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Journal articleAnat Rec (Hoboken) · March 2020
The olfactory epithelium (OE) is the peripheral organ for the sense of smell, housing primary sensory neurons that project axons from the nose to the brain. Due to the presence of a basal stem cell niche, the adult mammalian OE is a dynamic tissue capable ...
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Journal articleNat Neurosci · March 2020
The presence of active neurogenic niches in adult humans is controversial. We focused attention to the human olfactory neuroepithelium, an extracranial site supplying input to the olfactory bulbs of the brain. Using single-cell RNA sequencing analyzing 28, ...
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Journal articleInt Forum Allergy Rhinol · September 2019
BACKGROUND: Damage to olfactory sensory neurons (OSNs), situated within the neuroepithelium of the olfactory cleft, may be associated with anosmia. Although their direct contact with the nasal airspace make OSNs vulnerable to injury and death, multiple mec ...
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Journal articleStem Cell Reports · June 11, 2019
Stem cell-based therapies have been proposed as a strategy to replace damaged tissues, especially in the nervous system. A primary sensory modality, olfaction, is impaired in 12% of the US population, but lacks treatment options. We report here the develop ...
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Journal articleLaryngoscope Investig Otolaryngol · October 2018
OBJECTIVES: To investigate epigenetic mechanisms contributing to regulation of cellular renewal and neurogenesis in adult olfactory epithelium (OE). STUDY DESIGN: Prospective basic science study. METHODS: Olfactory basal cell cultures were prepared from ad ...
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Journal articleJCI Insight · March 22, 2018
Alport syndrome is a rare hereditary renal disorder with no etiologic therapy. We found that osteopontin (OPN) is highly expressed in the renal tubules of the Alport mouse and plays a causative pathological role. OPN genetic deletion ameliorated albuminuri ...
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Journal articleLaryngoscope Investig Otolaryngol · February 2018
UNLABELLED: Disorders causing a loss of the sense of smell remain a therapeutic challenge. Basic research has, however, greatly expanded our knowledge of the organization and function of the olfactory system. This review describes advances in our understan ...
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Journal articleJ Gerontol A Biol Sci Med Sci · October 12, 2017
BACKGROUND: Aging frailty, characterized by decreased physical and immunological functioning, is associated with stem cell depletion. Human allogeneic mesenchymal stem cells (allo-hMSCs) exert immunomodulatory effects and promote tissue repair. METHODS: Th ...
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Journal articleJ Gerontol A Biol Sci Med Sci · October 12, 2017
BACKGROUND: Impaired endogenous stem cell repair capacity is hypothesized to be a biologic basis of frailty. Therapies that restore regenerative capacity may therefore be beneficial. This Phase 1 study evaluated the safety and potential efficacy of intrave ...
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Journal articleActa Otolaryngol · April 2017
CONCLUSION: Mesenchymal stem-cells are good candidates for cell-therapy of chronic tympanic membranes perforations. OBJECTIVES: To determine the effects of cell-based therapy in tympanic membrane perforations. METHODS: Young C57BL/6 mice were anesthetized ...
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Journal articlePLoS One · 2017
Despite a robust capacity for adult neurogenesis in the olfactory epithelium (OE), olfactory sensory losses are common. Identification of mechanisms regulating adult OE neurogenesis is, therefore, of interest. MicroRNAs (miRNAs) are broadly important in re ...
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Journal articleDevelopment · December 1, 2016
Olfactory epithelium (OE) has a lifelong capacity for neurogenesis due to the presence of basal stem cells. Despite the ability to generate short-term cultures, the successful in vitro expansion of purified stem cells from adult OE has not been reported. W ...
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Journal articleOtolaryngol Head Neck Surg · June 2016
OBJECTIVE: To investigate the effectiveness of scaffold-embedded mesenchymal stem cells (MSCs) as a topical treatment for healing tympanic membrane perforations (TMPs) in a mouse model. STUDY DESIGN: Prospective animal study. SETTING: Experimental. SUBJECT ...
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Journal articleOncotarget · March 15, 2016
Frailty is a syndrome associated with reduced physiological reserves that increases an individual's vulnerability for developing increased morbidity and/or mortality. While most clinical trials have focused on exercise, nutrition, pharmacologic agents, or ...
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Journal articleDev Neurobiol · March 2016
Olfactory tissue undergoes lifelong renewal, due to the presence of basal neural stem cells. Multiple categories of globose basal stem cells have been identified, expressing markers such as Lgr5, Ascl1, GBC-2, and c-Kit. The differentiation potential of in ...
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Journal articleAm J Rhinol Allergy · 2015
BACKGROUND: The presence of olfactory cleft polyps in chronic rhinosinusitis with nasal polyposis is well documented, but the effect of endoscopic olfactory cleft polyp surgery on olfaction, versus observation, has not been well studied. This analysis asse ...
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Journal articleGenet Test Mol Biomarkers · January 2015
AIM: To study the distribution characteristics of common mutations in the GJB2, SLC26A4, and mtDNA genes in children with severe or profound sensorineural hearing loss (SNHL) in southwestern China. MATERIALS AND METHODS: A total of 1,164 individuals were r ...
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Journal articleJ Comp Neurol · January 1, 2015
The olfactory epithelium houses chemosensory neurons, which transmit odor information from the nose to the brain. In adult mammals, the olfactory epithelium is a uniquely robust neuroproliferative zone, with the ability to replenish its neuronal and non-ne ...
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Journal articleStem Cells Dev · March 1, 2014
A loss of sensory hair cells or spiral ganglion neurons from the inner ear causes deafness, affecting millions of people. Currently, there is no effective therapy to repair the inner ear sensory structures in humans. Cochlear implantation can restore input ...
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Journal articleInt Forum Allergy Rhinol · July 2013
BACKGROUND: The olfactory epithelium is a self-renewing tissue, able to produce new neurons as needed from stem and progenitor cells in its basal layers. In addition, there exists a mesenchymal-like stem cell (MSC) located within the underlying lamina prop ...
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Journal articleOtolaryngol Clin North Am · December 2008
High-output chylous leak beyond 5 to 7 days of conservative medical treatment should be treated promptly to avoid the risk for nutritional and imunologic depletion. Given the effectiveness and low morbidity of this minimally invasive treatment, this is a r ...
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Journal articleEar Nose Throat J · March 2008
We describe what we believe is the first reported case of simultaneous highly invasive cutaneous and laryngopharyngeal zygomycosis in a non-neutropenic, nondiabetic but immunosuppressed patient with prostate cancer. An invasive fungal process was not suspe ...
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Journal articleOperative Techniques in Otolaryngology Head and Neck Surgery · June 1, 2007
Clinical situations arise in which maintenance of adequate ventilation becomes technically difficult, often either in an emergency setting or perioperatively. The otolaryngologist-head and neck surgeon is frequently called upon to provide expertise in airw ...
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Journal articleOtolaryngol Clin North Am · December 2004
The past two decades have witnessed phenomenal growth in chemosensory research in the basic sciences and clinical studies. Although chemosensory disorders today are recognized more widely for their marked impacts on QOL and public safety, the increased res ...
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Journal articleJ Assoc Res Otolaryngol · March 2003
The detection of odorants with high sensitivity and specificity utilizes specialized transduction proteins that may be assembled into complexes to afford enhanced speed and efficiency in olfactory neurons. We have used a differential cDNA screening techniq ...
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Journal articleArch Otolaryngol Head Neck Surg · October 2002
We report the first case (to our knowledge) of a multifocal papillary thyroid carcinoma arising in a lingual thyroid. The patient underwent a transcervical, transhyoid approach for excision, followed by radioiodine ablation, with excellent functional and o ...
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Journal articleJ Comp Neurol · November 2, 1998
We have infused replication-incompetent retroviral vectors into the nasal cavity of adult rats 1 day after exposure to the olfactotoxic gas methyl bromide (MeBr) to assess the lineage relationships of cells in the regenerating olfactory epithelium. The vas ...
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Journal articleNeuroreport · May 11, 1998
Mammalian olfactory epithelium produces new neurons rapidly throughout adulthood. Here, we demonstrate that precursor cells harvested from the adult olfactory epithelium, when transplanted into the nasal mucosa of host rats exposed previously to an olfacto ...
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Journal articleJ Neurobiol · October 1997
Neurogenesis continues throughout adulthood in the mammalian olfactory epithelium (OE), and both neurons as well as nonneuronal cells are reconstituted following experimental injury. Underlying the capacity of the OE to replenish its mature elements is a p ...
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Journal articleJ Neurosci · June 15, 1996
The olfactory epithelium (OE) supports ongoing neurogenesis throughout life and regenerates after experimental injury. Although evidence indicates that proliferative cells within the population of globose (light) basal cells (GBCs) give rise to new neurons ...
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Journal articleScience · March 12, 1993
Supporting cells in the vestibular sensory epithelia from the ears of mature guinea pigs and adult humans proliferate in vitro after treatments with aminoglycoside antibiotics that cause sensory hair cells to die. After 4 weeks in culture, the epithelia co ...
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