Iduna protects the brain from glutamate excitotoxicity and stroke by interfering with poly(ADP-ribose) polymer-induced cell death

Shaida A. Andrabi, Ho Chul Kang, Jean François Haince, Yun Il Lee, Jian Zhang, Zhikai Chi, Andrew B. West, Raymond C Koehler, Guy G. Poirier, Ted M Dawson, Valina Dawson

Research output: Contribution to journalArticle

Abstract

Glutamate acting on N-methyl-D-aspartate (NMDA) receptors induces neuronal injury following stroke, through activation of poly(ADP-ribose) polymerase-1 (PARP-1) and generation of the death molecule poly(ADP-ribose) (PAR) polymer. Here we identify Iduna, a previously undescribed NMDA receptor-"induced survival protein that is neuroprotective against glutamate NMDA receptor-"mediated excitotoxicity both in vitro and in vivo and against stroke through interfering with PAR polymer-"induced cell death (parthanatos). Iduna's protective effects are independent and downstream of PARP-1 activity. Iduna is a PAR polymer-"binding protein, and mutation at the PAR polymer binding site abolishes the PAR binding activity of Iduna and attenuates its protective actions. Iduna is protective in vivo against NMDA-induced excitotoxicity and middle cerebral artery occlusion-"induced stroke in mice. To our knowledge, these results define Iduna as the first known endogenous inhibitor of parthanatos. Interfering with PAR polymer signaling could be a new therapeutic strategy for the treatment of neurologic disorders.

Original languageEnglish (US)
Pages (from-to)692-699
Number of pages8
JournalNature Medicine
Volume17
Issue number6
DOIs
StatePublished - Jun 2011

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Poly Adenosine Diphosphate Ribose
Cell death
Glutamic Acid
Brain
Polymers
Cell Death
Stroke
N-Methyl-D-Aspartate Receptors
Poly(ADP-ribose) Polymerases
Middle Cerebral Artery Infarction
N-Methylaspartate
Nervous System Diseases
Carrier Proteins
Chemical activation
Binding Sites
Mutation
Molecules
Wounds and Injuries
Proteins

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Iduna protects the brain from glutamate excitotoxicity and stroke by interfering with poly(ADP-ribose) polymer-induced cell death. / Andrabi, Shaida A.; Kang, Ho Chul; Haince, Jean François; Lee, Yun Il; Zhang, Jian; Chi, Zhikai; West, Andrew B.; Koehler, Raymond C; Poirier, Guy G.; Dawson, Ted M; Dawson, Valina.

In: Nature Medicine, Vol. 17, No. 6, 06.2011, p. 692-699.

Research output: Contribution to journalArticle

Andrabi, Shaida A. ; Kang, Ho Chul ; Haince, Jean François ; Lee, Yun Il ; Zhang, Jian ; Chi, Zhikai ; West, Andrew B. ; Koehler, Raymond C ; Poirier, Guy G. ; Dawson, Ted M ; Dawson, Valina. / Iduna protects the brain from glutamate excitotoxicity and stroke by interfering with poly(ADP-ribose) polymer-induced cell death. In: Nature Medicine. 2011 ; Vol. 17, No. 6. pp. 692-699.
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