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TB Vaccines

Cytokines Mediate Immunity to TB

Published in Vaccine Weekly, November 22nd, 1999

by Salynn Boyles, Senior Editor -- Interleukin 6 and interleukin 12 appear to play a central role in cell-mediated immunity to tuberculosis.

In this study, I.S. Leal and colleagues from Portugal's University of Porto examined the role of cytokines in the development of gamma interferon (IFN-gamma)-secreting protective T cells following immunization with a culture filtrate subunit vaccine against Mycobacterium tuberculosis containing the adjuvant dimethyldioctadecylammonium bromide (DDA).

Depletion of either interleukin-6 (IL-6) or IL-12 with specific neutralizing antibodies during vaccination reduced the priming of T cells for antigen-specific...

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