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Functional Analysis of TAAR1 Expression in the Intestine Wall and the Effect of Its Gene Knockout on the Gut Microbiota in Mice.
Int J Mol Sci
December 2024
Institute of Translational Biomedicine, St. Petersburg State University, Universitetskaya nab. 7/9, St. Petersburg 199034, Russia.
Currently, the TAAR1 receptor has been identified in various cell groups in the intestinal wall. It recognizes biogenic amine compounds like phenylethylamine or tyramine, which are products of decarboxylation of phenylalanine and tyrosine by endogenous or bacterial decarboxylases. Since several gut bacteria produce these amines, TAAR1 is suggested to be involved in the interaction between the host and gut microbiota.
View Article and Find Full Text PDFInvestigation of the relationships between peri-implant diseases, periodontal diseases, and conditions: a cross-sectional study.
PeerJ
December 2024
Division of Periodontology, Faculty of Dentistry, Abant Izzet Baysal University, Bolu, Turkey.
Article Synopsis
- The study investigates the relationship between peri-implant conditions (like peri-implantitis and peri-implant mucositis) and periodontal diseases, showing that they share similar risk factors and treatments.
- Researchers assessed 123 dental implants and found that those with peri-implantitis often had gingivitis, while those with peri-implant health exhibited periodontal health.
- Results indicate significant differences in clinical assessments (e.g., plaque indices and probing depth) between the peri-implant and periodontal groups, highlighting the need for better understanding and management of these conditions.*
Mucosal Hub Bacteria as Potential Targets for Improving High-Fat Diet-Related Intestinal Barrier Injury.
Can J Infect Dis Med Microbiol
November 2024
School of Clinical Medicine, Hangzhou Normal University, The Affiliated Hospital of Hangzhou Normal University, Hangzhou 311121, Zhejiang, China.
Intestinal barrier injury contributes to multiple diseases such as obesity and diabetes, whereas no treatment options are available. Due to close interactions between mucosal microbiome and intestinal barrier, we evaluated the potential of mucosal bacteria in providing targets for high-fat diet (HFD)-related intestinal barrier injury. Whole-genome metagenomics was used to evaluate mucosal microbiome, while intestinal barrier injury was estimated using serum LPS, FITC-dextran intensity, and ZO-1 protein.
View Article and Find Full Text PDFSkin microbiota during metamorphosis of : guidance for maintaining mucosal symbiotic microbial flora homeostasis in early life of frogs.
Front Microbiol
November 2024
Fisheries College, Hunan Agricultural University, Changsha, China.
Article Synopsis
- The skin microbiota is crucial for amphibians to adapt to environmental changes and maintain health, particularly during their development from tadpoles to frogs.
- An analysis of the skin microbiota during metamorphosis revealed differences in microbial diversity and unique sequences among various groups of tadpoles and frogs, with the hindlimb and forelimb tadpoles showing more unique microbial characteristics.
- The study highlighted significant variations in dominant bacterial phyla and functions at different developmental stages, suggesting an important role of skin microorganisms in the amphibian life cycle.
Is autoimmunity associated with the development of premalignant oral conditions and the progression to oral squamous cell carcinoma?: A literature review.
J Stomatol Oral Maxillofac Surg
November 2024
Department of Orthopedic Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, 29, Saemunan-ro, Jongno-gu, Seoul, 03181, Korea (ROK).
Article Synopsis
- The review examines the link between systemic autoimmunity and the development of oral potentially malignant disorders (OPMDs), which can progress to oral squamous cell carcinoma (OSCC).
- A thorough literature search led to the identification of key themes, including the link between autoimmune diseases and oral cancer, the presence of autoantibodies in OPMD patients, and autoimmune markers associated with malignant transformation.
- The findings suggest that systemic autoimmunity influences OPMD progression through chronic inflammation and disruptions in oral tissue integrity, highlighting the need for better understanding and management strategies for OPMD and OSCC detection.
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