The deletion of the gene coding for poly(ADP-ribose) polymerase-1 (PARP1) or its pharmacological inhi-bition protects mice against cerebral ischemia and Parkin-son's disease. In sharp contrast, PARP1 inhibitors are in clinical use for the eradication of vulnerable cancer cells. It appears that excessive PARP1 activation is involved in a specific cell death pathway called parthanatos, while inhi-bition of PARP1 in cancer cells amplifies DNA damage to a lethal level. Hence, PARP1 plays a context-dependent role in cell fate decisions. In addition, it appears that PARP1 plays an ambiguous role in organismal aging.
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Univ Alberta, Alberta Diabet Inst, Dept Surg, Edmonton, AB T6G 2E1, Canada
Maharaja Sayajirao Univ Baroda, Dept Biochem, Fac Sci, Vadodara 390021, Gujarat, India
Laval Univ Hosp Res Ctr Quebec City, CHU Quebec, Quebec City, PQ G1V 4G2, CanadaUniv Alberta, Alberta Diabet Inst, Dept Surg, Edmonton, AB T6G 2E1, Canada
Dadheech, Nidheesh
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Srivastava, Abhay
Shah, Rashmi G.
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Laval Univ Hosp Res Ctr Quebec City, CHU Quebec, Quebec City, PQ G1V 4G2, CanadaUniv Alberta, Alberta Diabet Inst, Dept Surg, Edmonton, AB T6G 2E1, Canada
Shah, Rashmi G.
Shah, Girish M.
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Laval Univ Hosp Res Ctr Quebec City, CHU Quebec, Quebec City, PQ G1V 4G2, CanadaUniv Alberta, Alberta Diabet Inst, Dept Surg, Edmonton, AB T6G 2E1, Canada
Shah, Girish M.
Gupta, Sarita
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Maharaja Sayajirao Univ Baroda, Dept Biochem, Fac Sci, Vadodara 390021, Gujarat, IndiaUniv Alberta, Alberta Diabet Inst, Dept Surg, Edmonton, AB T6G 2E1, Canada