Cited by 1,118PARP inhibition in cancer therapyNitric Oxide and Endothelin EffectsCell death mechanisms and regulation

Nitric Oxide Activation of Poly(ADP-Ribose) Synthetase in Neurotoxicity

Zhang, Jie, Dawson, Valina L., Dawson, Ted M., Snyder, Solomon H.·1994·Science

Abstract

Poly(adenosine 5′-diphosphoribose) synthetase (PARS) is a nuclear enzyme which, when activated by DNA strand breaks, adds up to 100 adenosine 5′-diphosphoribose (ADP-ribose) units to nuclear proteins such as histones and PARS itself. This activation can lead to cell death through depletion of β-nicotinamide adenine dinucleotide (the source of ADP-ribose) and adenosine triphosphate. Nitric oxide (NO) stimulated ADP-ribosylation of PARS in rat brain. Benzamide and other derivatives, which inhibit PARS, blocked N -methyl-D-aspartate- and NO-mediated neurotoxicity with relative potencies paralleling their ability to inhibit PARS. Thus, NO appeared to elicit neurotoxicity by activating PARS.

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Crossref · 10.1126/science.8080500

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34 of 34 references verified0 citation errors · 0 not checkable

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Authors
Zhang, J., Dawson, V. L., Dawson, T. M., & Snyder, S. H.
Affiliations
Johns Hopkins University (US)
Venue
Science
Published
1994-02-04
Volume
263
Issue
5147
Pages
687-689
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2005706069
Cited by
1,118
References
34
Citations by year
2026: 4 · 2025: 2 · 2024: 2 · 2023: 9 · 2022: 3 · 2021: 17 · 2020: 10 · 2019: 5 · 2018: 16 · 2017: 12 · 2016: 11 · 2015: 21 · 2014: 17 · 2013: 13 · 2012: 18
FWCI
37.22
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute on Drug Abuse (DA 00074, DA271-90-7408, DA.00266)
Topics
  • Health Sciences › Medicine › Oncology › PARP inhibition in cancer therapy
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
Keywords
poly(ADP-ribose) polymerase, nitric oxide, neurotoxicity, ADP-ribosylation, NMDA receptor, benzamide derivatives, NAD+ depletion, ATP depletion, brain, DNA strand breaks, cell death
MeSH terms
Poly(ADP-ribose) Polymerase Inhibitors, Animals, Benzamides, Brain, Cell Line, Cells, Cultured, Cerebral Cortex, DNA Damage, Enzyme Activation, Humans, Neurons, Nitric Oxide, Poly(ADP-ribose) Polymerases, N-Methylaspartate, Cell Death, Rats, Sprague-Dawley, Rats

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