Zusammenfassung
Chol-, Deoxychol- und Lithocholsäure begünstigen die Tumorentstehung im Dickdarm durch direkte stimulierende Effekte auf die Proliferation von undifferenzierten Mukosaepithelzellen. Weiters können Gallensäuren bei der Entstehung des kolorektalen Karzinoms eine Rolle spielen, da sie die rezeptorvermittelte anti-mitogene Wirkung von Kalzium und Vitamin D auf neoplastische Kolonepithelzellen blockieren und dadurch deren chemopräventive Wirksamkeit reduzieren können.
Summary
Cholic, deoxycholic and lithocholic acid promote tumor formation in the large intestine by a direct proliferative effect on rather undifferentiated mucosal epithelial cells. In addition, bile acids may play a role in colorectal cancer pathogenesis because they reduce the chemopreventive efficiency of calcium and vitamin D by interfering with calcium and vitamin D receptor-activated anti-mitogenic intracellular signalling in neoplastic colonocytes.
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Peterlik, M. Role of bile acid secretion in human colorectal cancer. Wien Med Wochenschr 158, 539–541 (2008). https://doi.org/10.1007/s10354-008-0601-4
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DOI: https://doi.org/10.1007/s10354-008-0601-4