ArticleInflammatory bowel diseases2010
Atherogenic diets exacerbate colitis in mice deficient in glutathione peroxidase.
Article in Inflammatory bowel diseases, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 12 citations in OpenAlex.
- Multi-omics integration reveals functional signatures of gut microbiome in atherosclerosis.Gut microbes · 2025Article
- Role of the microbiota in ileitis of a mouse model of inflammatory bowel disease-Glutathione peroxide isoenzymes 1 and 2-double knockout mice on a C57BL background.MicrobiologyOpen · 2020Article
- Expression of inositol-requiring enzyme 1β is downregulated in colorectal cancer.Oncology letters · 2017Article
- Expression of lactoperoxidase in differentiated mouse colon epithelial cells.Free radical biology & medicine · 2012Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundThe proinflammatory effect of high-fat diet has been observed beyond the cardiovascular system, but there is little evidence to support its role in triggering inflammatory bowel disease. GPx1/2-double-knockout (DKO) mice deficient in 2 intracellular glutathione peroxidases, GPx1 and GPx2, on a C57BL/6 (B6) background, have mild ileocolitis on a conventional chow.
methodsWe fed B6 DKO mice 2 atherogenic diets to test the dietary effect on atherosclerosis and ileocolitis. Both atherogenic diets have high cholesterol-the Chol+/CA diet has cholic acid (CA), and the Chol+ diet has no CA.
resultsThe Chol+/CA diet induced severe colitis, but not ileitis, in the DKO mice compared with the Chol+ and the Chol- control diet. On the Chol+/CA diet, the wild-type (WT) mice had levels of aortic lesions and hypercholesterolemia similar to those of DKO mice but had no intestinal pathology. The diet-associated inflammatory responses in the DKO mice included increased colonic proinflammatory serum amyloid A3 expression, plasma lipopolysaccharide, and TNF-α levels. The Chol+/CA diet lowered the expression of the unfolded protein response genes ATF6, CHOP, unspliced Xbp(U) , and Grp78/Bip, in WT and DKO mice compared with mice on the Chol- diet.
conclusionsWe concluded that a cholesterol diet weakens the colon unfolded protein response, which can aggravate spontaneous colitis, leading to gut barrier breakdown. GPx has no impact on atherosclerosis without ultrahypercholesterolemia.
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