What is the pathophysiology of bacterial gastroenteritis?

Updated: Jul 17, 2018
  • Author: Jennifer Lynn Bonheur, MD; Chief Editor: BS Anand, MD  more...
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Bacteria employ several mechanisms to invoke a pathologic response. Invasive bacteria cause mucosal ulceration and abscess formation with a subsequent inflammatory cascade. Bacterial toxins control enteral and extraenteral cellular processes. For example, the heat-labile and heat-stable enterotoxins of Escherichia coli activate enteral adenylate cyclase and guanylate cyclase signaling systems.

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