Cited by 27Mitochondrial Function and PathologyDiabetes, Cardiovascular Risks, and LipoproteinsParaoxonase enzyme and polymorphisms

Accumulation of Somatic Mutation in Mitochondrial DNA and Atherosclerosis in Diabetic Patients

NOMIYAMA, TAKASHI, TANAKA, YASUSHI, PIAO, LIANSHAN, HATTORI, NOBUTAKA, UCHINO, HIROSHI, WATADA, HIROTAKA, KAWAMORI, RYUZO, OHTA, SHIGEO·2004·Annals of the New York Academy of Sciences

Abstract

A bstract: A point mutation of mitochondrial DNA at nucleotide position 3243 A to G is responsible for the genetic cause of diabetes. Otherwise, this mutation is also reported to occur as a somatic mutation, possibility because of oxidative stress. Because diabetes may cause oxidative stress, we hypothesized that accumulation of the somatic A3243G mutation in mitochondrial DNA may be accelerated by diabetes. DNA was extracted from blood samples of 290 nondiabetic healthy subjects (aged 0‐60 years) and from 383 type 2 diabetic patients (aged 18‐80 years). Then, the extent of somatic A3243G mutation in total mitochondrial DNA was detected by real‐time polymerase chain reaction (PCR) using the TaqMan probe. The genotyping of ACE I/D or p22phox C242T was done by PCR or PCR‐restriction fragment length polymorphism. Although the level of the A3243G mutation was negligible in the newborn group, it increased in healthy subjects aged 20‐29 and 41‐60 years. In diabetic patients, the mutational rate increased along with age and the duration of diabetes. In the middle‐aged group (41‐60 years old), the A3243G mutation accumulates fourfold higher in the diabetic patients than in the healthy subjects. Moreover, multiple regression analysis revealed that the most critical factor associated with this mutation in diabetic patients was the duration of diabetes. Furthermore, the genotype of DD, DI‐CC (ACE‐p22phox) has the highest mutational rate and the thickest intima‐media thickness of the carotid artery. In conclusion, diabetes accelerates the accumulation of the somatic A3243G mutation in mitochondrial DNA, and this somatic mutation may be a marker for the duration of diabetes and atherosclerosis.

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Crossref · 10.1196/annals.1293.020

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  • mtDNA mutations are associated with atherosclerosis, hypertension, type 2 diabetes, cardiovascular disease, and obesity.

    “Moreover, mtDNA mutations have been associated with the development of chronic human diseases, such as atherosclerosis, hypertension, T2DM, cardiovascular disease and obesity175–178.”

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Authors
NOMIYAMA, T., TANAKA, Y., PIAO, L., HATTORI, N., UCHINO, H., WATADA, H., KAWAMORI, R., & OHTA, S.
Affiliations
  • Juntendo University (JP)
  • Yanbian University (CN)
  • Nippon Medical School (JP)
Corresponding author
TANAKA, YASUSHI
Venue
Annals of the New York Academy of Sciences
Publisher
Wiley
Published
2004-04
Volume
1011
Issue
1
Pages
193-204
ISSN
  • 0077-8923 (ISSN-L)
  • 1749-6632
OpenAlex
W2031452330
Cited by
27
References
24
Citations by year
2022: 1 · 2020: 3 · 2019: 2 · 2018: 1 · 2016: 1 · 2015: 1 · 2014: 5 · 2013: 1 · 2012: 2
FWCI
0.47
Type
journal article
Language
en
Open access
closed
Locations
  • Annals of the New York Academy of Sciences (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Paraoxonase enzyme and polymorphisms
Keywords
mitochondrial DNA, somatic mutations, A3243G mutation, type 2 diabetes, atherosclerosis, oxidative stress, diabetes duration, carotid intima-media thickness, ACE I/D polymorphism
MeSH terms
Adolescent, Adult, Age Factors, Aged, Aged, 80 and over, Arteriosclerosis, Child, Child, Preschool, Diabetes Mellitus, DNA, Mitochondrial, Female, Genotype, Humans, Infant, Infant, Newborn, Male, Middle Aged, Point Mutation, Diabetes Complications

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