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prICE: A downstream target for ceramide-induced apoptosis and for the inhibitory action of Bcl-2

  • Miriam J. Smyth
  • , David K. Perry
  • , Jiandi Zhang
  • , Guy G. Poirier
  • , Yusuf A. Hannun
  • , Lina M. Obeid
  • Duke University
  • Durham VA Medical Center
  • Centre Hospitalier Universitaire de Quebec

Research output: Contribution to journalArticlepeer-review

201 Scopus citations

Abstract

The novel lipid second messenger, ceramide, specifically induced poly(ADP-ribose) polymerase cleavage through activation of the protease prICE. Over-expression of Bcl-2 inhibited ceramide-induced poly(ADP-ribose) polymerase proteolysis and protected cells from ceramide-induced death. These data provide the first insight into the mechanism by which ceramide mediates apoptosis and suggest a mechanism by which Bcl-2 protects from cell death.

Original languageEnglish
Pages (from-to)25-28
Number of pages4
JournalBiochemical Journal
Volume316
Issue number1
DOIs
StatePublished - May 15 1996

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