Effects of superoxide on nitric oxide-dependent n-nitrosation reactions
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Effects of superoxide on nitric oxide-dependent n-nitrosation reactions (90 visite)

Miles AM, Gibson MF, Kirshina M, Cook JC, Pacelli R, Wink D, Grisham MB

Free Radic Res Free Radical Research (ISSN: 1071-5762), 1995 Oct; 23(4): 379-390.



Tipo di articolo: Journal Article,

Impact factor: 2.361, Impact factor a 5 anni: 3.068

Url: http://www.scopus.com/inward/record.url?eid=2-s2.0-0029379626&partnerID=40&md5=3c3d8224037d10aca2b9da89948fffb5

Parole chiave: N-Nitrosation, Nitric Oxide, Polymorphonuclear Leukocytes, Superoxide, 2 Naphthylamine, 3 Naphthalenediamine, 3-Diaminonaphthalene, Drug Derivative, Nitrate, Animal, Article, Cell Culture, Metabolism, Neutrophil, Rat Strain, 2-Naphthylamine, Nitrites, Sprague-Dawley, Support, U.S. Gov, P.H.S., U. S. Gov, P. H. S,

Affiliazioni:

Department of Physiology and Biophysics, Louisiana State University Medical Center, Shreveport, LA 71130, United States
Radiobiology Section, Radiation Biology Branch, National Cancer Institute, Bethesda, MD 20892, United States
Chemistry Section, Laboratory of Comparative Carcinogenesis, National Cancer Institute, Frederick Cancer Research and Development Center, Frederick, MD 21702, United States


Riferimenti:

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Recent studies have demonstrated that nitric oxide (NO) in the presence of superoxide (O2 -) may mediate mutagenesis via the N-nitrosation of DNA bases followed by nitrosative deamination to yield their hydroxylated derivatives. We have found that phorbol myristate acetate (PMA)-activated extravasated rat neutrophils (PMNs) will N-nitrosate 2,3-diaminonaphthalene (DAN) to yield its highly fluorescent nitrosation product 2,3- naphthotriazole (triazole) via the L-arginine dependent formation of NO. Addition of SOD enhanced triazole formation suggesting that O2 - production may inhibit the N-nitrosating activity and thus the mutagenic activity of inflammatory PMNs. The objective of this study was to assess the role of superoxide as a modulator of NO-dependent N-nitrosation reactions using PM A-activated PMNs as well as a chemically defined-system that generates both NO and superoxide. We found that PMA-activation of PMNs reduced the amount of N-nitrosation of DAN by approximately 64% when compared to non- stimulated cells (450 vs. 1250 nM). Addition of SOD but not inactivated SOD or catalase to PMA-activated PMNs enhanced the formation of triazole by approximately 4-fold (1950 nM). In addition, we found that the NO-releasing spermine/NO adduct (Sp/NO; 50μM) which produces approximately 1.0 nmol NO/min generated approximately 8000 nM of triazole whereas the combination of Sp/NO and a superoxide generator (hypoxanthine/xanthine oxidase) that produces approximately 1.0 nmol O2 -/min reduced triazole formation by 90% (790 nM). Addition of SOD but not catalase restored the N-nitrosating activity. We conclude that equimolar fluxes of superoxide react rapidly with NO to generate products that have only limited ability to N-nitrosate aromatic amino compounds and thus may have limited ability to promote mutagenesis via the nitrosative deamination of DNA bases. © 1995 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted.
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Wink DA, Cook JA, Kim SY, Vodovotz Y, Pacelli R, Krishna MC, Russo A, Mitchell JB, Jourd'heuil D, Miles AM, Grisham MB
Superoxide modulates the oxidation and nitrosation of thiols by nitric oxide-derived reactive intermediates (82 visite)
J Biol Chem (ISSN: 0021-9258, 1083-351x), 1997 Apr 25; 272(17): 11147-11151.
Impact Factor: 6.963
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Wink DA, Cook JA, Christodoulou D, Krishna MC, Pacelli R, Kim S, DeGraff W, Gamson J, Vodovotz Y, Russo A, Mitchell JB
Nitric oxide and some nitric oxide donor compounds enhance the cytotoxicity of cisplatin (98 visite)
Nitric Oxide Biology And Chemistry (ISSN: 1089-8603), 1997 Feb; 1(1): 88-94.
Impact Factor: 2.151
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Tabbì G, Driessen WL, Reedijk J, Bonomo RP, Veldman N, Spek AL
High Superoxide Dismutase Activity Of A Novel, Intramolecularly Imidazolato-Bridged Asymmetric Dicopper(ii) Species; Design, Synthesis, Structure And Magnetism Of Cu(ii) Complexes With A Mixed Pyrazole-Imidazole Donor Set (124 visite)
Inorg Chem (ISSN: 0020-1669, 1520-510x, 1520-510xelectronic), 1997; 36(6): 1168-1175.
Impact Factor: 2.736
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Wink DA, Cook JA, Pacelli R, DeGraff W, Gamson J, Liebmann J, Krishna MC, Mitchell JB
The effect of various nitric oxide-donor agents on hydrogen peroxide-mediated toxicity: A direct correlation between nitric oxide formation and protection (120 visite)
Arch Biochem Biophys (ISSN: 0003-9861), 1996 Jul 15; 331(2): 241-248.
Impact Factor: 2.649
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Cook JA, Kim SY, Teague D, Krishna MC, Pacelli R, Mitchell JB, Vodovotz Y, Nims RW, Christodoulou D, Miles AM, Grisham MB, Wink DA
Convenient colorimetric and fluorometric assays for S-nitrosothiols (100 visite)
Anal Biochem (ISSN: 0003-2697, 1096-0309electronic, 0003-2697linking), 1996 Jul 1; 238(2): 150-158.
Impact Factor: 2.017
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Pacelli R, Taira J, Cook JA, Wink DA, Krishna MC
Hydroxyurea reacts with heme proteins to generate nitric oxide [6] (98 visite)
Lancet (ISSN: 0140-6736), 1996 Mar 30; 347(9005): 900-900.
Impact Factor: 16.135
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Wink DA, Hanbauer I, Grisham MB, Laval F, Nims RW, Laval J, Cook J, Pacelli R, Liebmann J, Krishna M, Ford PC, Mitchell JB
Chemical biology of nitric oxide: Regulation and protective and toxic mechanisms (93 visite)
Current Topics In Cellular Regulation (ISSN: 0070-2137), 1996; 34: 159-187.
Impact Factor: 4.375
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Wink DA, Grisham MB, Miles AM, Nims RW, Krishna MC, Pacelli R, Teague D, Poore CM, Cook JA, Ford PC
Determination of selectivity of reactive nitrogen oxide species for various substrates (146 visite)
Method Enzymol (ISSN: 0076-6879, 1557-7988electronic, 0076-6879linking), 1996; 268: 120-130.
Impact Factor: 2.435
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Wink DA, Cook JA, Pacelli R, Liebmann J, Krishna MC, Mitchell JB
Nitric oxide (NO) protects against cellular damage by reactive oxygen species (97 visite)
Toxicology Letters (ISSN: 0378-4274), 1995 Dec; 82-3: 221-226.
Impact Factor: 1.128
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Pacelli R, Wink DA, Cook JA, Krishna MC, DeGraff W, Friedman N, Tsokos M, Samuni A, Mitchell JB
NITRIC-OXIDE POTENTIATES HYDROGEN PEROXIDE-INDUCED KILLING OF ESCHERICHIA-COLI (96 visite)
Journal Of Experimental Medicine (ISSN: 0022-1007), 1995 Nov 1; 182(5): 1469-1479.
Impact Factor: 14.384
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Vinci C, Caltabiano V, Santoro AM, Rabuazzo AM, Buscema M, Purrello R, Rizzarelli E, Vigneri R, Purrello F
Copper Addition Prevents The Inhibitory Effects Of Interleukin 1-Beta On Rat Pancreatic Islets (119 visite)
Diabetologia, 1995 Jan; 38(1): 39-45.
Impact Factor: 0
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Condorelli G, Costanzo LL, De Guidi G, Giuffrida S, Rizzarelli E, Vecchio G
INHIBITION OF PHOTOHEMOLYSIS BY COPPER(II) COMPLEXES WITH SOD-LIKE ACTIVITY (158 visite)
J Chem Res (ISSN: 0162-0134, 1873-3344, 0162-0134print), 1994 Jun; 54(4): 257-265.
Impact Factor: 1.342
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Bonomo RP, Conte E, Marchelli R, Santoro AM, Tabbì G
O2 - scavenger properties of copper(II) complexes with diamino-diamide-type ligands (120 visite)
J Chem Res (ISSN: 0162-0134, 1873-3344, 0162-0134print), 1994 Feb 1; 53(2): 127-138.
Impact Factor: 1.342
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Costanzo LL, De Guidi G, Giuffrida S, Rizzarelli E, Vecchio G
Determination of superoxide dismutase-like activity of copper(II) complexes. Relevance of the speciation for the correct interpretation of in vitro O2 - scavenger activity (157 visite)
J Chem Res (ISSN: 0162-0134, 1873-3344, 0162-0134print), 1993 Jun; 50(4): 273-281.
Impact Factor: 1.342
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65 Records (63 escludendo Abstract e Conferenze).
Impact factor totale: 274.996 (254.647 escludendo Abstract e Conferenze).
Impact factor a 5 anni totale: 298.546 (270.087 escludendo Abstract e Conferenze).







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