The Ripoptosome: death decision in the cytosol

In this issue of Molecular Cell, Tenev et al. and Feoktistova et al. describe the Ripoptosome, a cytosolic death-inducing RIP1-, FADD-, and caspase-8-containing complex that spontaneously assembles upon cIAP depletion, challenging the view that such complexes exclusively originate from receptor activation.