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Clostridium Perfringens

CaCo-2 cells have concentration-dependent responses to CPE enterotoxin

Published in TB and Outbreaks Week, October 7th, 2003

Increasing doses of Clostridium perfringens enterotoxin induce different mitochondrial apoptosis and oncosis pathways in vitro, and thus either may occur in the intestine.

"Clostridium perfringens enterotoxin (CPE), a 35-kDa polypeptide, induces cytotoxic effects in the enterocyte-like CaCo-2 cell culture model. To identify the mammalian cell death pathway(s) mediating CPE-induced cell death, CaCo-2 cultures were treated with either 1 or 10 microg of CPE/ml. Both CPE doses were found to induce morphological damage and DNA cleavage in CaCo-2 cells," scientists in the United States report.

"The oncosis inhibitor glycine, but not a...

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