Examining nasal mucosa samples is crucial for nasal cavity disease research and diagnosis. Simultaneously obtaining high-quality data for single-cell transcriptomics (single-cell RNA sequencing [scRNA-seq]) and epigenomics (single-cell assay for transposase-accessible chromatin using sequencing [scATAC-seq]) of nasal mucosa tissues is challenging. Here, we present a protocol for processing human nasal mucosa samples to obtain data for both scRNA-seq and scATAC-seq. We describe steps for extracting human nasal mucosa tissue, mechanical and enzymatic dissociation, lysis of red blood cells, and a viability assay. We then detail procedures for library preparation and quality control.
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http://dx.doi.org/10.1016/j.xpro.2024.103298 | DOI Listing |
Immunol Res
January 2025
Department of Otolaryngology, Qingdao Traditional Chinese Medicine Hospital (Qingdao Hiser Hospital), Qingdao Hiser Hospital Affiliated of Qingdao University, Qingdao, 266033, Shandong, People's Republic of China.
Baicalein, one of the major active flavonoids found in Scutellaria baicalensis, has been revealed to exhibit potent anti-inflammatory properties in allergic airway inflammation. This study aimed to explore the role of baicalein and its relevant mechanism in the treatment of allergic rhinitis (AR). The bioinformatics tools were used to predict the targets of baicalein and AR-related genes.
View Article and Find Full Text PDFPrimary ciliary dyskinesia (PCD, OMIM 244400) is a rare genetic disorder that affects motile cilia and is characterised by impaired mucociliary clearance of the airway epithelium, which results in chronic upper and lower airway infections. While short-read next-generation sequencing technology has been used for the genetic testing of PCD, its effectiveness is limited in identifying variants in the gene because of the nearly identical pseudogene As we confirmed that the gene was not expressed in airway cells, we obtained nasal mucosa biopsy specimens for total RNA sequencing (RNA-seq) with library enrichment using exome oligos. Among the 34 nasal samples from patients suspected of having PCD, three aberrant splicing patterns in were identified in two samples.
View Article and Find Full Text PDFInt J Nanomedicine
January 2025
Department of Medicine, Surgery and Pharmacy, University of Sassari, Sassari, Italy.
Purpose: Dimethyl fumarate (DMF), the first-line oral therapy for relapsing-remitting multiple sclerosis, is rapidly metabolized into monomethyl fumarate. The DMF oral administration provokes gastrointestinal discomfort causing treatment withdrawal. The present study aimed to develop an innovative formulation for DMF nasal administration.
View Article and Find Full Text PDFInt J Pharm
January 2025
School of Pharmacy, Guilin Medical University, Guilin, Guangxi 541199, China. Electronic address:
Alprazolam (Alp), a triazolobenzodiazepine, is widely prescribed for the treatment of sleep disorders, anxiety, and panic disorder. While oral administration remains the standard route, its slow onset of action has prompted interest in intranasal delivery as an alternative, offers the potential for direct drug delivery to the brain. This study aims to develop a fast-acting intranasal formulation of Alp (Alp-nd).
View Article and Find Full Text PDFClin Transl Med
January 2025
Allergy Center, Department of Otolaryngology, Affiliated Eye and ENT Hospital, Fudan University, Shanghai, China.
Background: House dust mite (HDM) is the leading allergen for allergic rhinitis (AR). Although allergic sensitisation by inhaled allergens renders susceptible individuals prone to developing AR, the molecular mechanisms driving this process remain incompletely elucidated.
Objective: This study aimed to elucidate the molecular mechanisms underlying HDM-induced AR.
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