Cited by 133Nitric Oxide and Endothelin EffectsTelomeres, Telomerase, and SenescenceMitochondrial Function and Pathology

NADPH Oxidases and Mitochondria in Vascular Senescence

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Salazar, Gloria·2018·International Journal of Molecular Sciences

Abstract

Aging is the major risk factor in the development of cardiovascular diseases (CVDs), including hypertension, atherosclerosis, and myocardial infarction. Oxidative stress caused by overproduction of reactive oxygen species (ROS) and/or by reduced expression of antioxidant enzymes is a major contributor to the progression of vascular senescence, pathologic remodeling of the vascular wall, and disease. Both oxidative stress and inflammation promote the development of senescence, a process by which cells stop proliferating and become dysfunctional. This review focuses on the role of the mitochondria and the nicotinamide adenine dinucleotide phosphate (NADPH) oxidases Nox1 and Nox4 in vascular senescence, and their contribution to the development of atherosclerosis. Recent findings are reviewed, supporting a critical role of the mitochondrial regulator peroxisome proliferator-activated receptor gamma (PPARγ) coactivator-1α (PGC-1α), the inflammatory gene nuclear factor κB (NF-κB), zinc, the zinc transporters (ZnTs) ZnT3 and ZnT10, and angiotensin II (Ang II) in mitochondrial function, and their role in telomere stability, which provides new mechanistic insights into a previously proposed unified theory of aging.

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  • Zinc overload can contribute to increased cellular oxidative stress and senescence through mechanisms possibly related to organelle dysfunction.

    “On the other hand, Zn overload can contribute to augment cellular OS and senescence through different mechanisms not yet well-defined, but possibly related to organelles dysfunction [411,427,438].”

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Authors
Salazar, G.
Affiliations
Florida State University (US)
Corresponding author
Salazar, Gloria
Venue
International Journal of Molecular Sciences
Publisher
MDPI AG
Published
2018-04-29
Volume
19
Issue
5
Pages
1327
ISSN
1422-0067 (ISSN-L)
OpenAlex
W2800217088
Cited by
133
References
149
Citations by year
2026: 5 · 2025: 14 · 2024: 21 · 2023: 14 · 2022: 27 · 2021: 18 · 2020: 17 · 2019: 14 · 2018: 3
FWCI
1.71
Type
journal article
Language
en
Open access
Locations
  • International Journal of Molecular Sciences (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
American Heart Association (14GRNT20180028)
Topics
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
Keywords
vascular aging, NADPH oxidase, NOX1, NOX4, mitochondria, oxidative stress, reactive oxygen species, atherosclerosis, PGC-1α, NF-κB, zinc transporters, ZnT3, zinc, angiotensin II, telomere stability, aging, cardiovascular disease, inflammation
MeSH terms
Animals, Blood Vessels, Humans, Mitochondria, Cellular Senescence, Oxidative Stress, NADPH Oxidases, Atherosclerosis

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