Cited by 334Hemoglobin structure and functionMetal-Catalyzed Oxygenation MechanismsNitric Oxide and Endothelin Effects

The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.

Kinetics and mechanism of the oxidation of human deoxyhemoglobin by nitrites.

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Doyle, M.P., Pickering, R.A., DeWeert, T.M., Hoekstra, J.W., Pater, D.·1981·Journal of Biological Chemistry

Abstract

The reactions of human hemoglobin with sodium nitrite and ethyl nitrite in deoxygenated media have been examined in kinetic detail. Nitrous acid has been identified from kinetic pH dependence studies as the principal oxidant of hemoglobin in reactions with sodium nitrite. Nitrosylhemoglobin is produced concurrently with methemoglobin as a result of reductive release of nitric oxide from nitrous acid. However, oxidation of hemoglobin by nitric oxide competes with association, and this process is proposed to arise from the action of the nitric oxide dimer on hemoglobin. Ethyl nitrite, which serves as a model for nitrous acid, reacts with hemoglobin at rates that are at least 10 times slower than those extrapolated for nitrous acid, and hydrolysis of the alkyl nitrite is not competitive with oxidation of hemoglobin. The composite experimental results are interpreted to describe alkyl nitrite, and, presumably, nitrous acid association with hemoglobin followed by rate-limiting electron transfer resulting in nitric oxide and alkoxide (or hydroxide) production. Proton transfer resulting in alcohol (or water) formation occurs subsequent to the rate-limiting step as do reactions of hemoglobin with nitric oxide.

Overview

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Crossref · 10.1016/s0021-9258(18)43285-1

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37 of 37 references verified0 citation errors · 0 not checkable

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Citations

Cites

Research works printed but not linked: 4

  1. Kiese, 1966, Pharmacol. Rev., 18, 1091, 10.1016/S0031-6997(25)07167-4 · DOI
  2. Sherman, 1979, Am. J. Dis. Child, 133, 439
  3. Chalamet, 1973, Ann. Chim., 8, 353
  4. LeMaistre, J. W. (1972) in Study Syst., Coronary Myocardial Effects of Nitrates, Proceedings Symposium, 1970, pp. 251–257

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Metadata

Authors
Doyle, M. P., Pickering, R. A., DeWeert, T. M., Hoekstra, J. W., & Pater, D.
Affiliations
Hope College (US)
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
1981-12
Volume
256
Issue
23
Pages
12393-12398
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1589586351
Cited by
334
References
37
Citations by year
2026: 2 · 2025: 2 · 2024: 5 · 2023: 4 · 2022: 2 · 2021: 10 · 2020: 4 · 2019: 8 · 2018: 12 · 2017: 7 · 2016: 12 · 2015: 18 · 2014: 16 · 2013: 11 · 2012: 12
FWCI
0.85
Type
journal article
Language
en
Open access
Locations
  • Journal of Biological Chemistry (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Hemoglobin structure and function
  • Physical Sciences › Chemistry › Inorganic Chemistry › Metal-Catalyzed Oxygenation Mechanisms
  • Health Sciences › Medicine › Physiology (medical) › Nitric Oxide and Endothelin Effects
Keywords
nitrous acid, sodium nitrite, ethyl nitrite, nitric oxide, nitrosylhemoglobin, methemoglobin, nitric oxide dimer, electron transfer, reaction mechanism, reaction kinetics, proton transfer
MeSH terms
Hemoglobin A, Humans, Hydrogen-Ion Concentration, Kinetics, Nitrites, Oxidation-Reduction, Oxyhemoglobins, Sodium Nitrite, Spectrophotometry

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