Cited by 75Mitochondrial Function and PathologyAtherosclerosis and Cardiovascular DiseasesAutophagy in Disease and Therapy

Changes of mitochondria in atherosclerosis: Possible determinant in the pathogenesis of the disease

Sobenin, Igor A., Sazonova, Margarita A., Postnov, Anton Y., Bobryshev, Yuri V., Orekhov, Alexander N.·2013·Atherosclerosis

Abstract

Electron-microscopic analysis of atherosclerotic lesions demonstrated a high variability in the ultrastructural appearance of mitochondria in human aortic atherosclerotic lesions compared with the appearance of mitochondria in the normal parts of the aortic intima. This prompted us to suggest that the structural variations in the appearance of mitochondria might reflect the existence of somatic mutations in the human mitochondrial genome which could be a determinant of atherosclerosis. To test this hypothesis, we have compared the levels of heteroplasmy for several mitochondrial mutations previously proposed to be associated with different types of atherosclerotic lesions. The homogenates of unaffected aortic intimae and lipofibrous plaques of 12 male aortas were compared to reveal the average level of heteroplasmy for A1555G, C3256T, T3336T, G12315A, G14459A, and G15059A mutations of human mitochondrial genome. It has been shown at least four mutations of mitochondrial genome, namely, A1555G in MT-RNR1 gene, C3256T in MT-TL1 gene, G12315A in MT-TL2 gene, and G15059A in MT-CYB gene have significantly higher prevalence and mean value in lipofibrous plaques as compared to non-atherosclerotic intima, and therefore are associated with atherosclerosis. Somatic mutations in the human mitochondrial genome might play a role in the development of atherosclerosis. The mitochondrial mutations observed in our study should encourage further exploration of the concept that mitochondrial DNA heteroplasmy might be used as a biomarker of atherogenesis.

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Crossref · 10.1016/j.atherosclerosis.2013.01.006

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  • Mitochondria from human aortic atherosclerotic lesions show abnormal ultrastructural lesions compared with mitochondria from normal aortic intima.

    “Electron microscopy analysis has shown abnormal ultrastructural lesions in mitochondria from human aortic atherosclerotic lesions, compared with mitochondria from normal parts of the aortic intima174.”

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Authors
Sobenin, I. A., Sazonova, M. A., Postnov, A. Y., Bobryshev, Y. V., & Orekhov, A. N.
Affiliations
  • Research Institute of General Pathology and Pathophysiology, the Russian Academy of Medical Sciences (RU)
  • UNSW Sydney (AU)
Corresponding author
Bobryshev, Yuri V.
Venue
Atherosclerosis
Publisher
Elsevier BV
Published
2013-04
Volume
227
Issue
2
Pages
283-288
ISSN
0021-9150 (ISSN-L)
OpenAlex
W2035461748
Cited by
75
References
13
Citations by year
2026: 2 · 2025: 4 · 2024: 9 · 2023: 6 · 2022: 18 · 2021: 5 · 2020: 4 · 2019: 4 · 2018: 3 · 2017: 5 · 2016: 3 · 2015: 3 · 2014: 7 · 2013: 2
FWCI
2.24
Type
journal article
Language
en
Open access
closed
Locations
  • Atherosclerosis (publishedVersion)
  • PubMed (publishedVersion)
Funders
Ministry of Education and Science of the Russian Federation
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
Keywords
mitochondrial heteroplasmy, mitochondrial genome, aortic intima, A1555G mutation, MT-RNR1, MT-TL1, cytochrome b, atherogenesis, biomarkers
MeSH terms
Aged, Aorta, DNA, Mitochondrial, Humans, Male, Microscopy, Electron, Middle Aged, Mitochondria, Mutation, Tunica Intima, DNA Primers, Atherosclerosis, Genes, Mitochondrial

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