Influence On Proliferation And Apoptosis Of Intestinal Epithelial Cells And Expression Of Acvr1 By Helicobacter Pylori
EUROPEAN JOURNAL OF INFLAMMATION(2021)
摘要
To discuss the influence on proliferation and apoptosis of human intestinal epithelial cells by Helicobacter pylori (Hp). CCK-8 method and flow cytometry to test the influence on proliferation and apoptosis of intestinal epithelial cells by Hp and cell cycle distribution. Immunocytochemistry, qRT-PCR, and WB to analyze the expression and activation of ACVR1. Functional studies of TNBS-induced IBD on mice and DSS-induced IBD on C57BL/6J mice with HP used for intervention were also performed. Hp facilitated the proliferation of intestinal epithelial cells with the breeding ratios on the first and third day are 5.24% +/- 3.26% and 34.18% +/- 6.68% respectively. ACVR1 is activated and the expression of anti-apoptosis protein Bcl-2 and Bcl-XL is up-regulated. In vivo, TNBS-induced and Hp-induced exhibited inflammatory lesions of intestine, ACVR1 and Bcl-2 higher expressions as compared to wild-type mice. Hp is likely to play a very important role in the proliferation, apoptosis, and malignant transformation of intestinal epithelial cells through ACVR1 pathway.
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关键词
ACVR1, cell apoptosis, cell proliferation, Cohn’, s disease, Helicobacter pylori, intestinal epithelial cells
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