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Article Publish Status: FREE
Abstract Title:

Potent inhibitors of anthrax lethal factor from green tea.

Abstract Source:

EMBO Rep. 2004 Apr ;5(4):418-22. Epub 2004 Mar 12. PMID: 15031715

Abstract Author(s):

Isabella Dell'Aica, Massimo Donà, Fiorella Tonello, Alejandro Piris, Michèle Mock, Cesare Montecucco, Spiridione Garbisa

Article Affiliation:

Isabella Dell'Aica

Abstract:

The anthrax lethal factor (LF) has a major role in the development of anthrax. LF is delivered by the protective antigen (PA) inside the cell, where it exerts its metalloprotease activity on the N-terminus of MAPK-kinases. PA+LF are cytotoxic to macrophages in culture and kill the Fischer 344 rat when injected intravenously. We describe here the properties of some polyphenols contained in green tea as powerful inhibitors of LF metalloproteolytic activity, and how the main catechin of green tea, (-)epigallocatechin-3-gallate, prevents the LF-induced death of macrophages and Fischer 344 rats.

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Sayer Ji
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