﻿ @article{IBB_ID_10238, author={Wink DA, Cook JA, Pacelli R, Liebmann J, Krishna MC, Mitchell JB}, title={Nitric oxide (NO) protects against cellular damage by reactive oxygen species}, date={1995 Dec}, journal={Toxicology Letters (ISSN: 0378-4274)}, year={1995}, fullvolume={442}, volume={442}, pages={221--226}, url={http://www.scopus.com/inward/record.url?eid=2-s2.0-17144458034&partnerID=40&md5=e3d9301268c802b46a5822f96256546c}, abstract={Since the discovery of nitric oxide (NO) as an endogenously formed radical, its effect on numerous physiological processes has been intensively investigated. Some studies have suggested NO to be cytotoxic while others have demonstrated it protective under various biological conditions. Though NO shows minimal cytotoxicity to a variety mammalian cell cultures, it does modulate the toxicity of some agents such as reactive oxygen species. Often, NO is generated in the presence of these reactive oxygen species in response to foreign pathogens or under various pathophysiological conditions. We will show that NO can play a protective role under oxidative stress resulting from superoxide, hydrogen peroxide and alkyl peroxides. It was found by measuring the time-concentration profiles of NO released from various NO donor compounds that only mu M levels of NO were required for protection against the toxicity of these reactive species. It was found that there are several chemical reactions which may account for these protective effects such as NO preventing heme oxidation, inhibition of Fenton-type oxidation of DNA, and abatement of lipid peroxidation. Taken together, NO at low concentrations clearly protects against peroxide-mediated toxicity.}, keywords={Nitric Oxide, Oxidative Stress, Oxygen Radicals, Cumene, Hydrogen Peroxide, Hydroperoxide, N Acetyl S Nitrosopenicillamine, Nitroprusside Sodium, Protective Agent, Reactive Oxygen Metabolite, S Nitrosoglutathione, Superoxide, Tert Butyl Hydroperoxide, Animal Cell, Cell Damage, Cell Protection, Conference Paper, Cytotoxicity, Etiology, Hamster, Lung Fibroblast, Nonhuman, Prevention, Priority Journal, Reactive Oxygen Species, Xanthine Oxidase, }, references={Halliwell, Gutteridge, Oxygen toxicity, oxygen radicals, transition metals, and disease (1984) Biochem. J., 219, pp. 1-1
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}, document_type={Journal Article, }, affiliation={Tumor Biology Section, Radiation Biology Branch, National Institutes of Health, Bldg. 10 Room B3-B69, Bethesda, MD 20892, United States
}, ibbaffiliation={0}, }