Bacterial Heat-Stable Enterotoxins: Translation of Pathogenic Peptides into Novel Targeted Diagnostics and Therapeutics

Author: Lin Jieru E.   Valentino Michael   Marszalowicz Glen   Magee Michael S.   Li Peng   Snook Adam E.   Stoecker Brian A.   Chang Chang   Waldman Scott A.  

Publisher: MDPI

E-ISSN: 2072-6651|2|8|2028-2054

ISSN: 2072-6651

Source: Toxins, Vol.2, Iss.8, 2010-08, pp. : 2028-2054

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Abstract

Heat-stable toxins (STs) produced by enterotoxigenic bacteria cause endemic and traveler’s diarrhea by binding to and activating the intestinal receptor guanylyl cyclase C (GC-C). Advances in understanding the biology of GC-C have extended ST from a diarrheagenic peptide to a novel therapeutic agent. Here, we summarize the physiological and pathophysiological role of GC-C in fluid-electrolyte regulation and intestinal crypt-villus homeostasis, as well as describe translational opportunities offered by STs, reflecting the unique characteristics of GC-C, in treating irritable bowel syndrome and chronic constipation, and in preventing and treating colorectal cancer.

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