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Spatio-Temporal Change of Skin and Oral Microbiota: A Longitudinal Study of Microbial Diversity and Stability.
Electrophoresis
January 2025
Institute of Forensic Science, Fudan University, Shanghai, P. R. China.
The human skin and oral cavity harbor complex microbial communities, which exist in dynamic equilibrium with the host's physiological state and the external environment. This study investigates the microbial atlas of human skin and oral cavities using samples collected over a 10-month period, aiming to assess how both internal and external factors influence the human microbiome. We examined bacterial community diversity and stability across various body sites, including palm and nasal skin, saliva, and oral epithelial cells, during environmental changes and a COVID-19 pandemic.
View Article and Find Full Text PDFAsymptomatic carriage and molecular characterization of Staphylococcus aureus in pre-clinical and clinical medical students.
Folia Microbiol (Praha)
January 2025
Department of Public Health, Faculty of Medicine, Masaryk University, Kamenice 753/5, 625 00, Brno, Czech Republic.
Medical students are exposed to the hospital environment and patients during their studies, increasing the risk of exposure to virulent and antibiotic-resistant isolates of Staphylococcus aureus. The aim of the study is to determine the prevalence of Staphylococcus aureus among medical students who have varying levels of exposure to the hospital environment to provide valuable insights into the risk of colonization and transmission. Nasal swabs and fingerprints were obtained and cultured on a selective medium for staphylococci.
View Article and Find Full Text PDFVisualizing the spatial distribution of Alprazolam in the mouse brain following nasal administration using desorption electrospray ionization mass spectrometry imaging.
Int 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 PDFEpidemiological trends in head and neck cancer in Nara Prefecture, Japan, from 2000-2021: The impact of the COVID-19 pandemic.
Auris Nasus Larynx
January 2025
Department of Otolaryngology-Head and Neck Surgery, Nara Medical University.
Objective: Epidemiological surveys were conducted in Nara Prefecture, Japan, to determine the prevalence of head and neck cancer in the region since 1986.
Methods: This study examined the dynamics of visits to 18 medical institutions treating head and neck cancer in Nara Prefecture from 2000 to 2021.
Results: A total of 8,605 patients were registered, with 4,788 being male and 3,787 female.
Piezo1-Induced Nasal Epithelial Barrier Dysfunction in Allergic Rhinitis.
Inflammation
January 2025
Department of Otolaryngology-Head and Neck Surgery, Shandong Provincial ENT Hospital, Shandong University, Duanxing West Road, Jinan, 250000, Shandong, China.
This study aimed to investigate the role of Piezo1 in nasal epithelial barrier dysfunction in allergic rhinitis (AR) using both in vitro and in vivo experimental methods. A total of 79 human nasal mucosal samples were collected, including 43 from AR patients and 36 from healthy controls. Additionally, 12 BALB/c mice were used for the in vivo experiments.
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