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Seasonal Variations in the Structure and Function of the Gut Flora in Adult Male Rhesus Macaques Reared in Outdoor Colonies.
Microorganisms
January 2025
University of Chinese Academy of Sciences, Beijing 101408, China.
The seasonal variations that occur in the gut microbiota of healthy adult rhesus monkeys kept in outdoor groups under conventional rearing patterns and how these variations are affected by environmental variables are relatively poorly understood. In this study, we collected 120 fecal samples from 30 adult male rhesus monkeys kept in outdoor groups across four seasons and recorded the temperature and humidity of the housing facilities, as well as the proportions of fruit and vegetables in their diet. A 16S rRNA sequencing analysis showed that the alpha diversity of the gut microbiota of the rhesus monkeys was higher in winter and spring than in summer and autumn.
View Article and Find Full Text PDFElucidation of the mechanism of berberine against gastric mucosa injury in a rat model with chronic atrophic gastritis based on a combined strategy of multi-omics and molecular biology.
Front Pharmacol
January 2025
College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
Background: Berberine (BBR) is widely used to treat gastrointestinal diseases. However, the pharmacological mechanism of action of BBR in anti-chronic atrophic gastritis (CAG) remains unclear. This study aimed to investigate the mechanism of action of BBR in CAG by integration of molecular biology and multi-omics studies strategy.
View Article and Find Full Text PDFHeat-inactivated Lactobacillus casei strain GKC1 Mitigates osteoporosis development in vivo via enhanced osteogenesis.
Biochem Biophys Res Commun
January 2025
Institute of Food Science and Technology, National Taiwan University, Taipei, Taiwan; Department of Food Sciences, Nutrition, and Nutraceutical Biotechnology, Shih Chien University, Taipei, Taiwan; Department of Bioscience Technology, Chung Yuan Christian University, Taoyuan, Taiwan.
Osteoporosis, a significant bone disease predominantly affecting elderly and postmenopausal women, leads to increased bone fragility and fracture risk, presenting a major public health concern with substantial socioeconomic implications. This study investigated the therapeutic potential of Lactobacillus strains, known for their immunomodulatory properties, in an ovariectomy-induced osteoporosis mouse model. Among three tested strains Lactobacillus casei GKC1, Lactobacillus rhamnosus GKLC1, and Lactobacillus johnsonii GKJ2, GKC1 demonstrated superior efficacy in promoting osteogenesis-related gene expression, including alkaline phosphatase (ALP), bone morphogenetic protein 2 (BMP2) and runt-related transcription factor 2 (RUNX2).
View Article and Find Full Text PDFSchisandrol B alleviates depression-like behavior in mice by regulating bile acid homeostasis in the brain-liver-gut axis via the pregnane X receptor.
Phytomedicine
February 2025
NMPA Key Laboratory for Research and Evaluation of Drug Metabolism & Guangdong Provincial Key Laboratory of New Drug Screening & Guangdong-Hongkong-Macao Joint Laboratory for New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, China; The State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Shenzhen Graduate School of Peking University, Shenzhen, China. Electronic address:
Background: Depression is a widely recognized neuropsychiatric disorder. Recent studies have shown a potential correlation between bile acid disorders and depression, highlighting the importance of maintaining bile acid balance for effective antidepressant treatment. Schisandrol B (SolB), a primary bioactive compound from Schisandra chinensis (Turcz.
View Article and Find Full Text PDFIdentifying fecal microbiota signatures of colorectal cancer in a Vietnamese cohort.
Front Microbiol
December 2024
Department of Life Sciences, University of Science and Technology of Hanoi, Vietnam Academy of Science and Technology, Hanoi, Vietnam.
Background: Colorectal cancer (CRC) is among the top three causes of global cancer mortality. In Vietnam, CRC is the third leading cause of death in women and the fourth cause of cancer mortality in men. A large number of metagenomic studies have reported the relationship between altered composition and function of the gut microbiota with CRC, but this relationship in low- and middle-income countries including Vietnam (with an estimated population of 100.
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