Parthanatos: Mitochondrial-linked mechanisms and therapeutic opportunities

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248 Scopus citations


Cells die by a variety of mechanisms. Terminally differentiated cells such as neurones die in a variety of disorders, in part, via parthanatos, a process dependent on the activity of poly (ADP-ribose)-polymerase (PARP). Parthanatos does not require the mediation of caspases for its execution, but is clearly mechanistically dependent on the nuclear translocation of the mitochondrial-associated apoptosis-inducing factor (AIF). The nuclear translocation of this otherwise beneficial mitochondrial protein, occasioned by poly (ADP-ribose) (PAR) produced through PARP overactivation, causes large-scale DNA fragmentation and chromatin condensation, leading to cell death. This review describes the multistep course of parthanatos and its dependence on PAR signalling and nuclear AIF translocation. The review also discusses potential targets in the parthanatos cascade as promising avenues for the development of novel, disease-modifying, therapeutic agents.

Original languageEnglish (US)
Pages (from-to)2000-2016
Number of pages17
JournalBritish Journal of Pharmacology
Issue number8
StatePublished - Apr 2014


  • AIF
  • PARP-1
  • cell death
  • mitochondria
  • parthanatos
  • therapy

ASJC Scopus subject areas

  • Pharmacology


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