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Background/aim: To evaluate the usefulness of GGsTop for oral mucositis, a quantitative study focusing on oral mucosal tissues is necessary. In this study, we aimed to quantify collagen and glutathione using a rat model of 5-fluorouracil-induced oral mucositis.
Materials And Methods: Changes in ulcer area and erythrocyte count were measured to confirm the usefulness of GGsTop for oral mucositis. The effect of GGsTop on collagen was evaluated by observing oral mucosal tissue sections and measuring the collagen concentration in the tissues. The total glutathione concentration and the oxidized glutathione concentration were measured, and the concentration of the reduced form was calculated.
Results: GGsTop shortened the treatment period for oral mucositis without affecting the white blood cell count. In addition, GGsTop promoted collagen production and alleviated oxidative stress conditions.
Conclusion: GGsTop affects collagen and glutathione in the treatment of oral mucositis.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7880782 | PMC |
http://dx.doi.org/10.21873/invivo.12246 | DOI Listing |
Support Care Cancer
September 2025
Department of Oral Pathology, School of Dentistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
Purpose: To compare the efficacy of intraoral (IOPBM) and extraoral photobiomodulation (EOPBM) protocols for the prevention and treatment of oral mucositis (OM) in patients with oral or oropharyngeal squamous cell carcinoma (SCC) to submitted radiotherapy (RT).
Methods: This randomized, blinded, multicenter clinical trial enrolled 58 patients with oral or oropharyngeal SCC, who were allocated into two groups matched by treatment type, clinical stage, and RT modality. Group I (IOPBM) received intraoral photobiomodulation (PBM) with a continuous InGaAlP diode laser (660 nm, 100 mW, 0.
J Virol
September 2025
Université catholique de Louvain, de Duve Institute, Brussels, Belgium.
Unrelated pathogens, including viruses and bacteria, use a common short linear motif (SLiM) to interact with cellular kinases of the RSK (p90 S6 ribosomal kinase) family. Such a "DDVF" (D/E-D/E-V-F) SLiM occurs in the leader (L) protein encoded by picornaviruses of the genus , including Theiler's murine encephalomyelitis virus (TMEV), Boone cardiovirus (BCV), and Encephalomyocarditis virus (EMCV). The L-RSK complex is targeted to the nuclear pore, where RSK triggers FG-nucleoporins hyperphosphorylation, thereby causing nucleocytoplasmic trafficking disruption.
View Article and Find Full Text PDFMedicine (Baltimore)
September 2025
Department of Stomatology, Taikang Tongji (Wuhan) Hospital, Wuhan, Hubei Province, P.R. China.
Previous studies have suggested potential associations between some dietary factors and oral mucosal lesions (OMLs), however, existing research could be biased due to limited sample size and unaccounted confounding factors. This study aimed to explore the causal relationships between 13 common dietary factors and 3 OMLs using 2-sample Mendelian randomization (MR) analysis. Data for the MR analysis were extracted from publicly available genome-wide association study statistics.
View Article and Find Full Text PDFFront Cell Infect Microbiol
September 2025
Institute of Systems Biomedicine, Department of Immunology, School of Basic Medical Sciences, Beijing Key Laboratory of Tumor Systems Biology, National Health Commission (NHC) Key Laboratory of Medical Immunology, Peking University Health Science Center, Beijing, China.
The innate immune system serves as the first line of defense against viral infections. Type I interferon (IFN-I) signaling, in particular, plays a crucial role in mediating antiviral immunity. Here, we identify Betrixaban (BT), a novel small-molecule compound that activates innate immune responses, leading to broad-spectrum antiviral effects.
View Article and Find Full Text PDFClin Oral Implants Res
September 2025
School of Dental Medicine, University of Bern, Bern, Switzerland.
Objective: A cross-sectional study was made to evaluate the role of local factors, including surgical, implant, and prosthesis-related parameters, in the presence of peri-implantitis.
Methods: Consecutive partially edentulous patients with ≥ 1 implant presenting peri-implantitis were included. Clinical and radiographic data were collected to characterize local factors.