• DOI:10.1038/35070019
Corpus ID: 36187702

Caspase-3-mediated cleavage of ROCK I induces MLC phosphorylation and apoptotic membrane blebbing

@article{Sebbagh2001Caspase3mediatedCO,
  title={Caspase-3-mediated cleavage of ROCK I induces MLC phosphorylation and apoptotic membrane blebbing},
  author={M. Sebbagh and C. Renvoiz{\'e} and J. Hamelin and N. Riche and J. Bertoglio and J. Br{\'e}ard},
  journal={Nature Cell Biology},
  year={2001},
  volume={3},
  pages={346-352}
}

• M. Sebbagh, C. Renvoizé, +3 authors J. Bréard
• Published 2001
• Biology, Medicine
• Nature Cell Biology

Increased phosphorylation of myosin light chain (MLC) is necessary for the dynamic membrane blebbing that is observed at the onset of apoptosis. Here we identify ROCK I, an effector of the small GTPase Rho, as a new substrate for caspases. ROCK I is cleaved by caspase-3 at a conserved DETD1113/G sequence and its carboxy-terminal inhibitory domain is removed, resulting in deregulated and constitutive kinase activity. ROCK proteins are known to regulate MLC-phosphorylation, and apoptotic cells… Expand

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