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Antitoxin | Define Antitoxin at Dictionary.com noun 1. a substance, formed in the body, that counteracts a specific toxin . 2. the antibody formed in immunization with a given toxin , used in treating certain ...
TNT, a deadly enzyme produced by M. tuberculosis. Last year, researchers at the University of Alabama at Birmingham identified a toxin from M. tuberculosis that kills immune cells. They named the enzyme tuberculosis necrotizing toxin, or TNT, because it induces necrosis, or cell death, in the target immune cells.