Logan D Hightower

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TcdB, an intracellular bacterial toxin that inactivates small GTPases, is a major Clostridium difficile virulence factor. Recent studies have found that TcdB produced by emerging/hypervirulent strains of C. difficile is more potent than TcdB from historical strains, and in the current work, studies were performed to investigate the underlying mechanisms for(More)
The production of cAMP from Bacillus anthracis edema toxin (ET) activates gene expression in macrophages through a complex array of signaling pathways, most of which remain poorly defined. In this study, the tumor suppressor protein adenomatous polyposis coli (APC) was found to be important for the up-regulation of previously defined ET-stimulated genes(More)
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