Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:3.4.22.61 (caspase-8)
 6,833 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

It has been well established that FADD plays a critical role in the membrane bound death-inducing signaling complexes. Herein, we report that endogenous FADD could interact with ectopic or endogenous RTN3/HAP. ER-bound RTN3 protein recruited endogenous FADD to the ER membrane and subsequently initiated caspase-8 cascade, including activation of caspase-8, processing of Bid and release of cytochrome c from mitochondria. Furthermore, we demonstrated that endogenous FADD was recruited by ER-bound endogenous RTN3 to the ER membrane under the tunicamycin stimulation. The dominant negative form of FADD containing DD could abolish these RTN3 generated events in the caspase-8 cascade. Moreover, we found that RTN3 induced caspase-9 processing was only partially resulted from caspase-8 activation (data unshown), indicating that multiple caspase cascades participated in the apoptosis from RTN3 over-expression. Furthermore, NogoB/ASY, a homologue of RTN3 and a potential RTN3 interacting protein, also associated with FADD and induced cytochrome c release in a FADD dependent manner.
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PMID:Adaptor FADD is recruited by RTN3/HAP in ER-bound signaling complexes. 1703 92