American Journal of Clinical Nutrition, Vol 32, 210-218, Copyright © 1979 by The American Society for Clinical Nutrition, Inc

REVIEW ARTICLES

The molecular mode of action of Clostridium perfringens enterotoxin

JL McDonel

While certain strains of Clostridium perfringens have been associated with food poisoning outbreaks for the past 30 years, it has been only during the past 10 years that progress has been made in describing the disease process. And only within the past 5 years has meaningful progress been made in understanding the mechanism by which the disease is caused. Early observations, that the protein enterotoxin can cause erythema, increase capillary permeability, and exhibit parasympathomimetic properties, have been greatly added to in more recent studies. It is now believed tht the enterotoxin can alter intestinal transport of fluid, ions, and glucose, cause tissue damage in the gut and inhibit metabolic processes in intestinal tissue. Furthermore, the enterotoxin is thought to act very quickly (in a matter of minutes, compared to hours for other known enteropathogenic factors) and to affect basic function (macromolecular synthesis) and structure (membrane damage to microvillus brush borders) of individual cells. These findings have opened up many new questions that hopefully, when answered, will further the understanding of how this enterotoxin acts, as well as other enterotoxins being studied today.

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