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Oxidative damage to mitochondrial DNA shows marked age-dependent increases in human brain
Abstract
A major theory of aging is that oxidative damage may accumulate in DNA and contribute to physiological changes associated with aging. We examined age-related accumulation of oxidative damage to both nuclear DNA (nDNA) and mitochondrial DNA (mtDNA) in human brain tissue. We measured the oxidized nucleoside, 8-hydroxy-2'-deoxyguanosine (OH8dG), in DNA isolated from 3 regions of cerebral cortex and cerebellum from 10 normal humans aged 42 to 97 years. The amount of OH8dG, expressed as a ratio of the amount of deoxyguanosine (dG) or as fmol/micrograms of DNA, increased progressively with normal aging in both nDNA and mtDNA; however, the rate of increase with age was much greater in mtDNA. There was a significant 10-fold increase in the amount of OH8dG in mtDNA as compared with nDNA in the entire group of samples, and a 15-fold significant increase in patients older than 70 years. These results show for the first time that there is a progressive age-related accumulation in oxidative damage to DNA in human brain, and that the mtDNA is preferentially affected. It is possible that such damage may contribute to age-dependent increases in incidence of neurodegenerative diseases.
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“Oxidation of DNA and RNA produced by ROS also occurs in AD [50,51,52,53].”
From Role of Oxidative Damage in Alzheimer’s Disease and Neurodegeneration: From Pathogenic Mechanisms to Biomarker Discovery (2021) · cites this paper as [50]
In the citing paper
“It is demonstrated that there is a progressive age-related accumulation of oxidative damage to DNA in the human brain and that mtDNA is preferentially affected. The increased amount of 8-OHdG in mtDNA and nuclear DNA is demonstrated in the aging human brain and in AD [50,51,64].”
From Role of Oxidative Damage in Alzheimer’s Disease and Neurodegeneration: From Pathogenic Mechanisms to Biomarker Discovery (2021) · cites this paper as [50]
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“Oxidative stress may partly account for mtDNA's relatively high mutation rate; mtDNA acquires mutations at approximately 10 times the rate of nuclear DNA [121].”
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Mecocci, P., Polidori, M. C., Troiano, L., Cherubini, A., Cecchetti, R., Pini, G., Straatman, M., Monti, D., Stahl, W., Sies, H., et al. (2000) · Free Radical Biology and Medicine · doi:10.1016/s0891-5849(00)00246-x · Cited by 306
Mitochondrial dysfunction and oxidative stress in aging and neurodegenerative disease
Albers, D. S., & Beal, M. F. (2000) · Springer eBooks · doi:10.1007/978-3-7091-6781-6_16 · Cited by 298
Mitochondria, oxidative stress and aging
Sastre, J., Pallardó, F. V., de la Asunción, J. G., & Viña, J. (2000) · Free Radical Research · doi:10.1080/10715760000300201 · Cited by 292
Lovell, M. A., Gabbita, S. P., & Markesbery, W. R. (1999) · Journal of Neurochemistry · doi:10.1046/j.1471-4159.1999.0720771.x · Cited by 292
Fuchs endothelial corneal dystrophy: The vicious cycle of Fuchs pathogenesis
Tone, S. O., Kocaba, V., Böhm, M., Wylęgała, A., White, T. L., & Jurkunas, U. V. (2020) · Progress in Retinal and Eye Research · doi:10.1016/j.preteyeres.2020.100863 · Cited by 306
Exercise counteracts declining hippocampal function in aging and Alzheimer's disease
Intlekofer, K. A., & Cotman, C. W. (2012) · Neurobiology of Disease · doi:10.1016/j.nbd.2012.06.011 · Cited by 300
“Remarkably, physical activity has been shown to attenuate mitochondrial DNA (mtDNA) deletions and point mutations that correlate with declining mitochondrial function in aging and AD (Coskun et al., 2004; Mecocci et al., 1993, 1994).”
BackgroundCalabrese, V., Bates, T. E., & Stella, A. M. G. (2000) · Neurochemical Research · doi:10.1023/a:1007604414773 · Cited by 285
“Vitamin E also blocked Aβ-induced inhibition of transmembrane protein function, including ion-motive ATPases, glucose and glutamate transporters, G-protein coupled signal transduction and the energy-related enzyme creatine kinase, and the methionine residue 35 of A β(1-42) and Aβ(1-40) was shown to be critical to the…”
Benzi, G., & Moretti, A. (1995) · Free Radical Biology and Medicine · doi:10.1016/0891-5849(94)00244-e · Cited by 283
Blockade of neuronal nitric oxide synthase protects against excitotoxicity in vivo
Schulz, J. B., Matthews, R., Jenkins, B. G., Ferrante, R. J., Siwek, D. F., Henshaw, D. R., Cipolloni, P. B., Mecocci, P., Kowall, N. W., & Rosen, B. R. (1995) · Journal of Neuroscience · doi:10.1523/jneurosci.15-12-08419.1995 · Cited by 281
“Eight saline treated and eight 3-NP (20 mg/kg) treated 250 gm male Sprague- Dawley rats were sacrificed at 3 hr and whole brain DNA was extracted and S-hydroxy-2-deoxyguanosine was measured as previously described (Mecocci et al., 1993).”
BackgroundMethodInfluentialMitochondria and degenerative disorders
Orth, M., & Schapira, A. H. V. (2001) · American Journal of Medical Genetics · doi:10.1002/ajmg.1425 · Cited by 281
Spencer, J. P. E., Jenner, A. M., Aruoma, O. I., Evans, P., Kaur, H., Dexter, D. T., Jenner, P. G., Lees, A. J., Marsden, D. C., & Halliwell, B. B. (1994) · FEBS Letters · doi:10.1016/0014-5793(94)01056-0 · Cited by 278
Papa, S. (1996) · Biochimica et Biophysica Acta (BBA) - Bioenergetics · doi:10.1016/0005-2728(96)00077-1 · Cited by 266
Wei, Y., Lu, C., Lee, H., Pang, C., & Ma, Y. (1998) · Annals of the New York Academy of Sciences · doi:10.1111/j.1749-6632.1998.tb09899.x · Cited by 265
“On the other hand, the insertion sites of the tandem duplications in the D-loop region of human mtDNA have been found to be localized in the regions containing either a poly C run or a direct repeat sequence.(63,82) This finding suggests that slipped replication frequently occurs at the poly C stretches in the D-loop…”
Tyrosine Hydroxylase and Parkinson’s Disease
Haavik, J., & Toska, K. (1998) · Molecular Neurobiology · doi:10.1007/bf02741387 · Cited by 263
“Furthermore, an age-dependent accumulation of oxidized nucleotides in mitochondrial DNA (mtDNA) (Mecocci et al., 1993) and an increased frequency of mtDNA deletion mutations in the putamen, caudate, or SN, relative to other brain regions such as the cerebellum, has been reported (Soong et al.”
Calabrese, V., Scapagnini, G., Giuffrida Stella, A. M., Bates, T. E., & Clark, J. B. (2001) · Neurochemical Research · doi:10.1023/a:1010955807739 · Cited by 263
Increased oxidative damage in nuclear and mitochondrial DNA in mild cognitive impairment
Wang, J., Markesbery, W. R., & Lovell, M. A. (2006) · Journal of Neurochemistry · doi:10.1111/j.1471-4159.2005.03615.x · Cited by 260
“A modified procedure of Mecocci et al. (1993) was used to isolate DNA.”
MethodResultMitochondrial oxidative stress, aging and caloric restriction: The protein and methionine connection
Pamplona, R., & Barja, G. (2006) · Biochimica et Biophysica Acta (BBA) - Bioenergetics · doi:10.1016/j.bbabio.2006.01.009 · Cited by 256
DNA repair in neurons: So if they don’t divide what's to repair?
Fishel, M. L., Vasko, M. R., & Kelley, M. R. (2006) · Mutation research. Fundamental and molecular mechanisms of mutagenesis · doi:10.1016/j.mrfmmm.2006.06.007 · Cited by 263
Mecocci, P., Boccardi, V., Cecchetti, R., Bastiani, P., Scamosci, M., Ruggiero, C., & Baroni, M. (2018) · Journal of Alzheimer s Disease · doi:10.3233/jad-170732 · Cited by 259
“8-hydroxy-2’-deoxyguanosine (OH8dG) Measured in nDNA and mtDNA from cerebral cortex and cerebellum in humans: higher values with aging [54], threefold increase in subjects with AD compared to controls [55].”
The free radical flux theory of sleep
Reimund, E. (1994) · Medical Hypotheses · doi:10.1016/0306-9877(94)90071-x · Cited by 253
Biomarkers of oxidative and nitrosative damage in Alzheimer's disease and mild cognitive impairment
Mangialasche, F., Polidori, M. C., Monastero, R., Ercolani, S., Camarda, C., Cecchetti, R., & Mecocci, P. (2009) · Ageing Research Reviews · doi:10.1016/j.arr.2009.04.002 · Cited by 250
“Mecocci et al. (1993) were the first group to demonstrate a progressive age-related accumulation of 8-OHdG in the cerebral cortex of cognitively normal subjects, aged 42–97 years.”
Metadata
- Authors
- Mecocci, P., MacGarvey, U., Kaufman, A. E., Koontz, D., Shoffner, J. M., Wallace, D. C., & Beal, M. F.
- Affiliations
- Harvard University (US)
- Emory University (US)
- Corresponding author
- Beal, M. Flint
- Venue
- Annals of Neurology
- Publisher
- Wiley
- Published
- 1993-10
- Volume
- 34
- Issue
- 4
- Pages
- 609-616
- ISSN
- 0364-5134 (ISSN-L)
- 1531-8249
- OpenAlex
- W2130753450
- Cited by
- 757
- References
- 50
- Citations by year
- 2026: 5 · 2025: 7 · 2024: 12 · 2023: 12 · 2022: 15 · 2021: 18 · 2020: 19 · 2019: 22 · 2018: 17 · 2017: 16 · 2016: 19 · 2015: 18 · 2014: 24 · 2013: 29 · 2012: 22
- FWCI
- 7.34
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Annals of Neurology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- U.S. Public Health Service (16367)
- National Institute on Aging (IP50 AG05134)
- National Institute of Neurological Disorders and Stroke (NS-21328, R01NS021328)
- 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 › DNA Repair Mechanisms
- Keywords
- oxidative DNA damage, mitochondrial DNA, 8-hydroxy-2'-deoxyguanosine, brain aging, cerebral cortex, cerebellum, nuclear DNA, age-related accumulation, neurodegenerative diseases
- MeSH terms
- 8-Hydroxy-2'-Deoxyguanosine, Adult, Aged, Aged, 80 and over, Aging, Brain, Cell Nucleus, Deoxyguanosine, DNA, DNA, Mitochondrial, Female, Humans, Male, Middle Aged, Oxidation-Reduction
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