Cited by 654Mitochondrial Function and PathologyGenetics, Aging, and Longevity in Model OrganismsRedox biology and oxidative stress

Mitochondria from females exhibit higher antioxidant gene expression and lower oxidative damage than males

Borrás, Consuelo, Sastre, Juan, García-Sala, David, Lloret, Ana, Pallardó, Federico V, Viña, José·2003·Free Radical Biology and Medicine

Abstract

We have investigated the differential mitochondrial oxidative stress between males and females to understand the molecular mechanisms enabling females to live longer than males. Mitochondria are a major source of free radicals in cells. Those from female rats generate half the amount of peroxides than those of males. This does not occur in ovariectomized animals. Estrogen replacement therapy prevents the effect of ovariectomy. Mitochondria from females have higher levels of reduced glutathione than those from males. Those from ovariectomized rats have similar levels to males, and estrogen therapy prevents the fall in glutathione levels that occurs in ovariectomized animals. Oxidative damage to mitochondrial DNA in males is 4-fold higher than that in females. This is due to higher expression and activities of Mn-superoxide dismutase and of glutathione peroxidase in females, which behave as double transgenics overexpressing superoxide dismutase and glutathione peroxidase, conferring protection against free-radical-mediated damage in aging. Moreover, 16S rRNA expression, which decreases significantly with aging, is four times higher in mitochondria from females than in those from males of the same chronological age. The facts reported here provide molecular evidence to explain the different life span in males and females.

Integrity signals

Registry

Crossref · 10.1016/s0891-5849(02)01356-4

Cites

41 of 41 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Claims the paper makes

This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

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?

  • Female mitochondria in the heart, liver, and brain have a higher antioxidant capacity and produce less ROS than males.

    “For instance, female mitochondria in the heart, liver, and brain have a higher antioxidant capacity and produce less ROS than males (101, 102).”
  • Estrogen and progesterone contributed to sex differences in cellular respiration and anti-oxidative functions of brain mitochondria in uninjured female rodents.

    “Estrogen and progesterone contributed to sex differences in cellular respiration and anti-oxidative functions of brain mitochondria in uninjured female rodents.”
  • Brain mitochondria of female rodents had lower oxidative stress than those from males, associated with greater expression and activity of antioxidant enzymes.

    “brain mitochondria of female rodents had lower oxidative stress than those from males associated with greater expression and activity of antioxidant enzymes.”

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Borrás, C., Sastre, J., García-Sala, D., Lloret, A., Pallardó, F. V., & Viña, J.
Affiliations
Universitat de València (ES)
Corresponding author
Viña, José
Venue
Free Radical Biology and Medicine
Publisher
Elsevier BV
Published
2003-03
Volume
34
Issue
5
Pages
546-552
ISSN
0891-5849 (ISSN-L)
OpenAlex
W2019978470
Cited by
654
References
41
Citations by year
2026: 22 · 2025: 30 · 2024: 40 · 2023: 37 · 2022: 27 · 2021: 33 · 2020: 33 · 2019: 38 · 2018: 25 · 2017: 36 · 2016: 27 · 2015: 25 · 2014: 24 · 2013: 31 · 2012: 25
FWCI
6.78
Type
journal article
Language
en
Open access
closed
Locations
  • Free Radical Biology and Medicine (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
sex differences, mitochondrial oxidative stress, antioxidant gene expression, mitochondrial DNA damage, ovariectomy, estrogen replacement therapy, reduced glutathione, manganese superoxide dismutase, glutathione peroxidase, 16S rRNA, aging, longevity, free radicals
MeSH terms
Animals, Antioxidants, DNA, Mitochondrial, Estrogens, Female, Glutathione, Glutathione Peroxidase, Male, Mitochondria, Liver, Ovariectomy, Oxidation-Reduction, Oxygen, Peroxides, RNA, RNA, Ribosomal, 16S, Superoxide Dismutase, Gene Expression Regulation, Enzymologic, Rats, Wistar, Reactive Oxygen Species, DNA Primers, Oxidative Stress, Reverse Transcriptase Polymerase Chain Reaction, Rats

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