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Journal articles on the topic 'Olfactory brushing'

Author: Grafiati

Published: 11 March 2023

Last updated: 31 July 2025

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1

Pipolo, Carlotta, Daniele Bottai, Emanuela Fuccillo, et al. "Evidence of SARS-CoV-2 in nasal brushings and olfactory mucosa biopsies of COVID-19 patients." PLOS ONE 17, no. 4 (2022): e0266740. http://dx.doi.org/10.1371/journal.pone.0266740.

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The aim of the present study is to detect the presence of SARS-CoV-2 of patients affected by COVID-19 in olfactory mucosa (OM), sampled with nasal brushing (NB) and biopsy, and to assess whether a non-invasive procedure, such as NB, might be used as a large-scale procedure for demonstrating SARS-CoV-2 presence in olfactory neuroepithelium. Nasal brushings obtained from all the COVID-19 patients resulted positive to SARS-CoV-2 immunocytochemistry while controls were negative. Double immunofluorescence showed that SARS-CoV-2 positive cells included supporting cells as well as olfactory neurons a

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2

Francavilla, Beatrice, Gianluca Velletrani, Denise Fiorelli, et al. "Olfactory cleft brushing: A minimally invasive tool for biomarker analysis in rhinology." American Journal of Otolaryngology 46, no. 1 (2025): 104589. https://doi.org/10.1016/j.amjoto.2024.104589.

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3

YADAV, Pooja, Nikhil MARWAH, Saket YADAV, and Priyanka Sunil LEKHWANI. "Evaluation of oral health status and brushing habits in children with autism: a cross sectional study." International Arab Journal of Dentistry 15, no. 1 (2024): 130–42. http://dx.doi.org/10.70174/iajd.v15i1.967.

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Introduction: Autism Spectrum Disorder (ASD) is a type of neurological development disease marked by difficulties in social interaction and communication, as well as repetitive behaviour. Sensory hypersensitivity to visual, auditory, olfactory, or gustatory stimuli has been linked to dental care issues in children with ASD. The purpose of this research is to assess the oral health and brushing behaviours of children with Autism. Methods: In this study, 70 autistic children aged 3 to 9 years were chosen. The study was conducted into two parts: Questionnaire Survey & Oral Examination. The Qu

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4

Costa dos Santos, Juliana, Marjory Ximenes Rabelo, Luana Mattana Sebben, et al. "Persistence of SARS-CoV-2 Antigens in the Nasal Mucosa of Eight Patients with Inflammatory Rhinopathy for over 80 Days following Mild COVID-19 Diagnosis." Viruses 15, no. 4 (2023): 899. http://dx.doi.org/10.3390/v15040899.

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The nasal mucosa is the main gateway for entry, replication and elimination of the SARS-CoV-2 virus, the pathogen that causes severe acute respiratory syndrome (COVID-19). The presence of the virus in the epithelium causes damage to the nasal mucosa and compromises mucociliary clearance. The aim of this study was to investigate the presence of SARS-CoV-2 viral antigens in the nasal mucociliary mucosa of patients with a history of mild COVID-19 and persistent inflammatory rhinopathy. We evaluated eight adults without previous nasal diseases and with a history of COVID-19 and persistent olfactor

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5

Idotta, C., E. Tibaldi, N. Favaretto, et al. "Mitochondrial ATP production is impaired in neural stem/progenitor cells derived from olfactory neuroepithelium of patients with schizophrenia." European Psychiatry 64, S1 (2021): S383. http://dx.doi.org/10.1192/j.eurpsy.2021.1026.

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IntroductionNeural stem/progenitor cells derived from olfactory neuroepithelium (hereafter OE-NS/PCs) are emerging as a viable proxy and a valuable tool for translational studies on severe mental illnesses (SMI). In this respect, the use of OE-NS/PCs as a surrogate cellular model of schizophrenia (SZ) has enabled insights into cell signaling and cell cycle dynamics in this disease.ObjectivesWe explored whether mitochondrial dysfunction, which has been already associated with SZ, may have a role in the altered proliferation pattern previously observed in OE-NS/PCs of SZ patients.MethodsOE-NS/PC

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6

Catton, Georgia, and Alexander Gardner. "COVID-19 Induced Taste Dysfunction and Recovery: Association with Smell Dysfunction and Oral Health Behaviour." Medicina 58, no. 6 (2022): 715. http://dx.doi.org/10.3390/medicina58060715.

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Background and Objectives: Disruption to taste and smell are common symptoms of COVID-19 infection. The current literature overlooks taste symptoms and tends to focus on the sense of smell. Persisting cases (>28 days) of taste dysfunction are increasingly recognised as a major future healthcare challenge. This study focuses on the severity and recovery of COVID-19 induced taste loss and association with olfactory symptoms, lifestyle and oral health factors. Materials and Methods: This study was a cross-sectional survey comparing 182 rapid taste recovery participants (≤28 days) with 47 parti

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7

Fiorini, Michele, Giorgia Iselle, Daniela Perra, et al. "High Diagnostic Accuracy of RT-QuIC Assay in a Prospective Study of Patients with Suspected sCJD." International Journal of Molecular Sciences 21, no. 3 (2020): 880. http://dx.doi.org/10.3390/ijms21030880.

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The early and accurate in vivo diagnosis of sporadic Creutzfeldt–Jakob disease (sCJD) is essential in order to differentiate CJD from treatable rapidly progressive dementias. Diagnostic investigations supportive of clinical CJD diagnosis include magnetic resonance imaging (MRI), electroencephalogram (EEG), 14-3-3 protein detection, and/or real-time quaking-induced conversion (RT-QuIC) assay positivity in the cerebrospinal fluid (CSF) or in other tissues. The total CSF tau protein concentration has also been used in a clinical setting for improving the CJD diagnostic sensitivity and specificity

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8

Srivastava, Ankit, Qinlu Wang, Christina D. Orrù та ін. "Enhanced quantitation of pathological α-synuclein in patient biospecimens by RT-QuIC seed amplification assays". PLOS Pathogens 20, № 9 (2024): e1012554. http://dx.doi.org/10.1371/journal.ppat.1012554.

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Disease associated pathological aggregates of alpha-synuclein (αSynD) exhibit prion-like spreading in synucleinopathies such as Parkinson’s disease (PD) and dementia with Lewy bodies (DLB). Seed amplification assays (SAAs) such as real-time quaking-induced conversion (RT-QuIC) have shown high diagnostic sensitivity and specificity for detecting proteopathic αSynD seeds in a variety of biospecimens from PD and DLB patients. However, the extent to which relative proteopathic seed concentrations are useful as indices of a patient’s disease stage or prognosis remains unresolved. One feature of cur

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9

Kuzkina, A., J. Rößle, A. Seger та ін. "Combining skin and olfactory α-synuclein seed amplification assays (SAA)—towards biomarker-driven phenotyping in synucleinopathies". npj Parkinson's Disease 9, № 1 (2023). http://dx.doi.org/10.1038/s41531-023-00519-8.

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AbstractSeed amplification assays (SAA) are becoming commonly used in synucleinopathies to detect α-synuclein aggregates. Studies in Parkinson’s disease (PD) and isolated REM-sleep behavior disorder (iRBD) have shown a considerably lower sensitivity in the olfactory epithelium than in CSF or skin. To get an insight into α-synuclein (α-syn) distribution within the nervous system and reasons for low sensitivity, we compared SAA assessment of nasal brushings and skin biopsies in PD (n = 27) and iRBD patients (n = 18) and unaffected controls (n = 30). α-syn misfolding was overall found less common

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10

Brozzetti, Lorenzo, Luca Sacchetto, Maria Paola Cecchini, et al. "Neurodegeneration-Associated Proteins in Human Olfactory Neurons Collected by Nasal Brushing." Frontiers in Neuroscience 14 (March 5, 2020). http://dx.doi.org/10.3389/fnins.2020.00145.

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11

Velletrani, Gianluca, Denise Fiorelli, Beatrice Francavilla, et al. "Nasal cytological evidence of chronic inflammation in the olfactory cleft in post-viral olfactory dysfunction." European Archives of Oto-Rhino-Laryngology, March 26, 2025. https://doi.org/10.1007/s00405-025-09302-2.

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Abstract Purpose This study investigated nasal cytological alterations in patients with persistent post-viral olfactory dysfunction. The primary objective was to evaluate the role of immune dysregulation and chronic local inflammation within the nasal mucosa in sustaining long-term olfactory impairment. Methods An observational case-control study was conducted at the Otorhinolaryngology Department of the University of Rome Tor Vergata. Thirty-six patients with persistent olfactory dysfunction were compared to two control groups: one comprised subjects recovered from SARS-CoV-2 infection withou

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12

Azzouzi, Naoual, Anne-Sophie Guillory, Gilles Chaudieu, and Francis Galibert. "Dog olfactory receptor gene expression profiling using samples derived from nasal epithelium brushing." Canine Medicine and Genetics 9, no. 1 (2022). http://dx.doi.org/10.1186/s40575-022-00116-7.

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AbstractDogs have an exquisite sense of olfaction. In many instances this ability has been utilized by humans for a wide range of important situations including detecting explosives and illegal drugs. It is accepted that some breeds have better senses of smell than others. Dogs can detect many volatile compounds at extremely low concentrations in air. To achieve such high levels of detection, the canine olfactory system is both complex and highly developed requiring a high density of olfactory receptors capable of detecting volatiles. Consequently the dog genome encodes a large number of olfac

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13

Dourte, Marion, and Pascal Kienlen‐Campard. "Outbreak of tauopathy in the olfactory system of PS19 mice: an early marker for Alzheimer’s disease diagnosis?" Alzheimer's & Dementia 19, S13 (2023). http://dx.doi.org/10.1002/alz.071875.

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AbstractBackgroundClinical data indicate that impairment of olfactory function is an early indicator of neurodegenerative diseases, including Alzheimer’s disease (AD)(Attems et al., 2014). Our hypothesis is that typical AD lesions could appear in olfactory neurons from the olfactory epithelium (OE). The olfactory epithelium can be easily collected in human individuals (e.g., by nasal brushing), which provides an important tool to investigate the pathology in patients. Here, we address the question of the occurrence of tauopathy in the OE of transgenic mice and its correlation with pathology in

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14

Schirinzi, Tommaso, Daniela Maftei, Riccardo Maurizi, et al. "Post-COVID-19 Hyposmia Does Not Exhibit Main Neurodegeneration Markers in the Olfactory Pathway." Molecular Neurobiology, April 4, 2024. http://dx.doi.org/10.1007/s12035-024-04157-w.

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AbstractThe biological substrate of persistent post-COVID-19 hyposmia is still unclear. However, as many neurodegenerative diseases present with smell impairment at onset, it may theoretically reflect degeneration within the central olfactory circuits. However, no data still exist regarding the post-COVID-19 patients. As the olfactory neurons (ONs) mirror pathological changes in the brain, allowing for tracking the underlying molecular events, here, we performed a broad analysis of ONs from patients with persistent post-COVID-19 OD to identify traces of potential neurodegeneration. ONs were co

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15

Idotta, Carlo, Mario Angelo Pagano, Elena Tibaldi, et al. "Neural stem/progenitor cells from olfactory neuroepithelium collected by nasal brushing as a cell model reflecting molecular and cellular dysfunctions in schizophrenia." World Journal of Biological Psychiatry, June 13, 2024, 1–13. http://dx.doi.org/10.1080/15622975.2024.2357096.

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