NOD1 was found to coimmunoprecipitate with several procaspases containing long prodomains with CARDs or DEDs, including caspase-1, caspase-2, caspase-4, caspase-8, and caspase-9, but not those with short prodomains like caspase-3 or caspase-7. Deletions of caspase-9 determined that the CARD domain was required for this interaction (Inohara et al. 1999). More recently, NOD1 activation of apoptosis was shown to require the RIP2-dependent activation of caspase-8, this effect being inhibited by CASP8 and FADD-like apoptosis regulator, also called FLICE-inhibitory protein, FLIP or CLARP (da Silva Correia et al. 2007), which is a specific inhibitor of caspase-8 (Irmler et al. 1997).
Inohara, N, Koseki, T, del Peso, L, Hu, Y, Yee, C, Chen, S, Carrio, R, Merino, J, Liu, D, Ni, J, Nunez, G
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