Activation of the RIG-I signaling molecule is essential for antiviral immunity but mechanisms downmodulating the response are ill defined. In this issue of Immunity, Rajput et al. (2011) describe caspase-8-mediated RIP1 cleavage as a key step for restricting RIG-I signaling.
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McGill Univ, Jewish Gen Hosp, Lady Davis Inst Med Res, Dept Microbiol & Immunol Med & Oncol, Montreal, PQ H3T 1E2, CanadaMcGill Univ, Jewish Gen Hosp, Lady Davis Inst Med Res, Dept Microbiol & Immunol Med & Oncol, Montreal, PQ H3T 1E2, Canada
Solis, Mayra
Goubau, Delphine
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McGill Univ, Jewish Gen Hosp, Lady Davis Inst Med Res, Dept Microbiol & Immunol Med & Oncol, Montreal, PQ H3T 1E2, CanadaMcGill Univ, Jewish Gen Hosp, Lady Davis Inst Med Res, Dept Microbiol & Immunol Med & Oncol, Montreal, PQ H3T 1E2, Canada
Goubau, Delphine
Hiscott, John
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McGill Univ, Jewish Gen Hosp, Lady Davis Inst Med Res, Dept Microbiol & Immunol Med & Oncol, Montreal, PQ H3T 1E2, CanadaMcGill Univ, Jewish Gen Hosp, Lady Davis Inst Med Res, Dept Microbiol & Immunol Med & Oncol, Montreal, PQ H3T 1E2, Canada