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IL-17-producing B cells combat parasites

Interleukin 17 (IL-17) confers protection against Trypanosoma cruzi. Surprisingly, B cells are the relevant source, producing IL-17 via a unique pathway independent of the transcription factor RORγt, induced by T. cruzi trans-sialidase.

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Figure 1: T. cruzi directly activates B cells to make IL-17 by a noncanonical signaling mechanism.

Katie Vicari

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Correspondence to Frances E Lund.

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León, B., Lund, F. IL-17-producing B cells combat parasites. Nat Immunol 14, 419–421 (2013). https://doi.org/10.1038/ni.2593

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