The Cytotoxic Necrotizing Factor 1 from E. Coli: A Janus Toxin Playing with Cancer RegulatorsReportar como inadecuado




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Department of Therapeutic Research and Medicines Evaluation, Superior Health Institute, viale Regina Elena 299, 00161 Rome, Italy





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Abstract Certain strains of Escherichia coli have been indicated as a risk factor for colon cancer. E. coli is a normal inhabitant of the human intestine that becomes pathogenic, especially in extraintestinal sites, following the acquisition of virulence factors, including the protein toxin CNF1. This Rho GTPases-activating toxin induces dysfunctions in transformed epithelial cells, such as apoptosis counteraction, pro-inflammatory cytokines’ release, COX2 expression, NF-kB activation and boosted cellular motility. As cancer may arise when the same regulatory pathways are affected, it is conceivable to hypothesize that CNF1-producing E. coli infections can contribute to cancer development. This review focuses on those aspects of CNF1 related to transformation, with the aim of contributing to the identification of a new possible carcinogenic agent from the microbial world. View Full-Text

Keywords: CNF1; cancer; inflammation; Rho GTPases CNF1; cancer; inflammation; Rho GTPases





Autor: Alessia Fabbri, Sara Travaglione, Giulia Ballan, Stefano Loizzo and Carla Fiorentini *

Fuente: http://mdpi.com/



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