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Glycyrrhizic acid and patchouli alcohol in Huoxiang Zhengqi attenuate intestinal inflammation and barrier injury via regulating endogenous corticosterone metabolism mediated by 11β-HSD1.
J Ethnopharmacol
February 2025
State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China; School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China; University of Chinese Academy of Sciences, Beijing, 100049, China. Electronic address:
Ethnopharmacological Relevance: Ulcerative colitis (UC), a chronic inflammatory bowel disease, has become a significant public health challenge due to the limited effectiveness of available therapies. Huoxiang Zhengqi (HXZQ), a well-established traditional Chinese formula, shows potential in managing UC, as suggested by clinical and pharmacological studies. However, the active components and mechanisms responsible for its effects remain unclear.
View Article and Find Full Text PDFCalcitonin gene-related peptide promotes epithelial reparative and anticolitic functions of IL-4 educated human macrophages.
Am J Physiol Gastrointest Liver Physiol
January 2025
Gastrointestinal Research Group, Inflammation Research Network and Host-Parasite Interactions Group, Department of Physiology and Pharmacology, Calvin, Phoebe and Joan Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
Interleukin-4 activated human macrophages [M(IL4)s] promote epithelial wound healing and exert an anticolitic effect in a murine model. Blood monocyte-derived M(IL4)s from healthy donors and individuals with Crohn's disease had increased mRNA expression of the calcitonin gene-related peptide (CGRP) receptor chain, receptor activity modifying protein-1 (RAMP1), raising the issue of neural modulation of the M(IL4)s reparative function. Thus, human M(IL4)s were treated with CGRP and the cells' phagocytotic, epithelial wound repair and anticolitic functions were assessed.
View Article and Find Full Text PDFpeu-MIR2916-p3-enriched garlic exosomes ameliorate murine colitis by reshaping gut microbiota, especially by boosting the anti-colitic Bacteroides thetaiotaomicron.
Pharmacol Res
February 2024
Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, and Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China. Electronic address:
Plant-derived exosome-like nanoparticles (ELNs) have drawn considerable attention for oral treatment of colonic diseases. However, the roles of ELNs derived from garlic on colitis remain unclear. Here, we demonstrate that garlic ELNs (GELNs), with desirable particle sizes (79.
View Article and Find Full Text PDFEffects of ShenLing BaiZhu San Supplementation on Gut Microbiota and Oxidative Stress in Rats with Ulcerative Colitis.
Evid Based Complement Alternat Med
October 2021
College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China.
The aim of this study was to evaluate the effect of gut microbiota and antioxidation of Shenling Baizhu San (SLBZS) as a supplement in a rat model of ulcerative colitis (UC) induced by 2,4,6-trinitrobenzenesulfonic acid (TNBS). Acute intestinal inflammation was induced in 40 male SD rats aged 4 weeks with 100 mg/kg TNBS, and then three dosages of SLBZS (0.5 g/kg, 1 g/kg, and 1.
View Article and Find Full Text PDFCooperation between host immunity and the gut bacteria is essential for helminth-evoked suppression of colitis.
Microbiome
September 2021
Gastrointestinal Research Group, Inflammation Research Network and Host-Parasite Interaction Group, Calvin, Phoebe & Joan Snyder Institute for Chronic Diseases, Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
Background: Studies on the inhibition of inflammation by infection with helminth parasites have, until recently, overlooked a key determinant of health: the gut microbiota. Infection with helminths evokes changes in the composition of their host's microbiota: one outcome of which is an altered metabolome (e.g.
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