Cited by 225Redox biology and oxidative stressFree Radicals and AntioxidantsAntioxidant Activity and Oxidative Stress

Long-lived reactive species on free-radical-damaged proteins

Open access
Simpson, J A, Narita, S, Gieseg, S, Gebicki, S, Gebicki, J M, Dean, R T·1992·Biochemical Journal

Abstract

We have demonstrated two novel reactive species on radical-modified proteins which are relatively long-lived, one oxidizing and one reducing. The two species are reactive with critical biological components, and so may be of physiological and pathological importance. The oxidizing species, which have been identified as protein hydroperoxides, can consume key cellular reductants, such as ascorbate and glutathione. The reducing species can act on both free and metalloprotein forms of copper and iron ions, which participate in radical generation. These findings suggest that proteins may act as traps for the chemical energy released by free radicals, with the capacity to pass it on to other molecules. The long-lived nature of both the reactive moieties indicates that they may be able to diffuse and transfer damaging reactions to distant sites.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1042/bj2820621

Cites

23 of 23 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Under normal circumstances, the biological system releases an enzyme, superoxide dismutase SOD, which specifically maintains the O2 concentration at an optimal level of 10-10 M.

    “Under normal circumstances, the biological system releases an enzyme, superoxide dismutase SOD, which specifically maintains the O2 concentration at an optimal level of 10–10 M [68].”

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Research works printed but not linked: 2

  1. Oliver, C. N., Starke-Reed, P. E., Stadtman, E. R., Liu, G. J., Carney, J. M. & Floyd, R. A. (1990) Proc. Natl. Acad. Sci. U.S.A. 87, 5144-5147
  2. Okada, S. (1958) in Organic Peroxides in Radiobiology (Latarjet, R., ed.), pp. 47-49, Pergamon Press, London

Cited by

Sorted by citations

Authors
Simpson, J. A., Narita, S., Gieseg, S., Gebicki, S., Gebicki, J. M., & Dean, R. T.
Affiliations
  • The Heart Research Institute (AU)
  • Macquarie University (AU)
Corresponding author
Gieseg, S
Venue
Biochemical Journal
Published
1992-03-15
Volume
282
Issue
3
Pages
621-624
ISSN
  • 0264-6021 (ISSN-L)
  • 1470-8728
OpenAlex
W2404844012
Cited by
225
References
23
Citations by year
2026: 2 · 2025: 4 · 2023: 5 · 2021: 6 · 2019: 5 · 2018: 2 · 2017: 5 · 2016: 7 · 2015: 4 · 2014: 7 · 2013: 8 · 2012: 9
FWCI
4.10
Type
journal article
Language
en
Open access
Locations
  • Biochemical Journal (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Heart Research Institute
  • Medical Research Council
  • Australian Research Council
  • National Health and Medical Research Council
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Physical Sciences › Chemistry › Organic Chemistry › Free Radicals and Antioxidants
  • Health Sciences › Medicine › Biochemistry › Antioxidant Activity and Oxidative Stress
Keywords
reactive oxygen species, vitamin C, glutathione, copper ions, iron ions, metalloproteins, free radical generation, energy transfer, protein oxidation
MeSH terms
Amino Acids, Free Radicals, Metals, Oxidation-Reduction, Peroxides, Proteins

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review