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Condition: Inflammatory Bowel Disease
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Total 147 results found since Jan 2013.
Notch Signaling Pathway Is Activated by Sulfate Reducing Bacteria
In this study, we tested whether Desulfovibrio, the most dominant SRB genus in the gut, may activate Notch signaling. RAW 264.7 macrophages were infected with Desulfovibrio vulgaris (DSV) and analyzed for the expression of Notch signaling pathway-related proteins. We found that DSV induced protein expression of Notch1 receptor, Notch intracellular domain (NICD) and p21, a downstream Notch target, in a dose-and time-dependent manner. DSV also induced the expression of pro-IL1β, a precursor of IL-1β, and SOCS3, a regulator of cytokine signaling. The gamma secretase inhibitor DAPT or Notch siRNA dampened DSV-induced Notch-r...
Source: Frontiers in cellular and infection microbiology - July 15, 2021 Category: Microbiology Source Type: research
Therapeutic Targeting of Nrf2 Signaling by Maggot Extracts Ameliorates Inflammation-Associated Intestinal Fibrosis in Chronic DSS-Induced Colitis
In conclusion, this is the first ever report demonstrating that ME ameliorates inflammation-associated intestinal fibrosis by suppressing TGF-β1/SMAD pathway via upregulation of Nrf2 expression. Our findings highlight the potential of Nrf2 as an effective therapeutic target for alleviating intestinal fibrosis.
Source: Frontiers in Immunology - August 12, 2021 Category: Allergy & Immunology Source Type: research
The Gut Microbiota-Bile Acids-TGR5 Axis Mediates Eucommia ulmoides Leaf Extract Alleviation of Injury to Colonic Epithelium Integrity
Eucommia ulmoides leaves (EL) are rich in phenolic acids and flavonoids, showing enhancing intestinal health effects. The intestinal microbiota-bile acid axis plays important roles in the occurrence and recovery of inflammatory bowel disease (IBD). However, whether EL extract (ELE) has regulatory effects on the intestinal microbiota, bile acid metabolism, and IBD is still unclear. To fill this gap, 2% dextran sulfate sodium (DSS)-induced mild IBD in a C57BL/6J mouse model that was treated with 200 or 400 mg/kg (intake dose/body weight) ELE was used. Oral ELE supplementation alleviated DSS-induced shortening of colon and co...
Source: Frontiers in Microbiology - August 18, 2021 Category: Microbiology Source Type: research
Proteomics identifies a novel role of fibrinogen-like protein 1 in Crohn's disease
CONCLUSION: FGL1 can induce intestinal inflammation by activating the canonical NF-κB signalling pathway, and it may be considered a potential biomarker and therapeutic target for CD.PMID:34629811 | PMC:PMC8475002 | DOI:10.3748/wjg.v27.i35.5946
Source: World Journal of Gastroenterology : WJG - October 11, 2021 Category: Gastroenterology Authors: Xue-Liang Sun Li-Chao Qiao Jing Gong Ke Wen Zhi-Zhong Xu Bo-Lin Yang Source Type: research
