Differential Monocyte Activation Underlies Strain-Specific<i>Mycobacterium tuberculosis</i>Pathogenesis

Claudia Manca, Michael B. Reed, Sherry Freeman, Barun Mathema, Barry N. Kreiswirth, Clifton E. Barry, Gilla Kaplan

Infection and Immunity · 2004 · 220 citations · 20 references

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Abstract

In vitro infection of monocytes with Mycobacterium tuberculosis HN878 and related W/Beijing isolates preferentially induced interleukin-4 (IL-4) and IL-13, which characterize Th2 polarized immunity. In contrast, CDC1551 induced more IL-12 and other molecules associated with phagocyte activation and Th1 protective immunity. The differential cytokine-chemokine response was mediated by extracted lipids, suggesting that these molecules regulate host responses to infection.

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