No strong association among epigenetic modifications by DNA methylation, telomere length, and physical fitness in biological aging.
DNA methylation
Epigenetical aging
Exercise
Physical fitness
Telomere
Journal
Biogerontology
ISSN: 1573-6768
Titre abrégé: Biogerontology
Pays: Netherlands
ID NLM: 100930043
Informations de publication
Date de publication:
04 2023
04 2023
Historique:
received:
10
10
2022
accepted:
15
12
2022
pubmed:
3
1
2023
medline:
15
3
2023
entrez:
2
1
2023
Statut:
ppublish
Résumé
Cellular senescence is greatly accelerated by telomere shortening, and the steps forward in human aging are strongly influenced by environmental and lifestyle factors, whether DNA methylation (DNAm) is affected by exercise training, remains unclear. In the present study, we investigated the relationships between physiological functions, maximal oxygen uptake (VO2max), vertical jump, working memory, telomere length (TL) assessed by RT-PCR, DNA methylation-based estimation of TL (DNAmTL), and DNA methylation-based biomarkers of aging of master rowers (N = 146) and sedentary subjects (N = 95), aged between 37 and 85 years. It was found that the TL inversely correlated with chronological age. We could not detect an association between telomere length and VO2max, vertical jump, and working memory by RT-PCR method, while these physiological test results showed a correlation with DNAmTL. DNAmGrimAge and DNAmPhenoAge acceleration were inversely associated with telomere length assessed by both methods. It appears that there are no strong beneficial effects of exercise or physiological fitness on telomere shortening, however, the degree of DNA methylation is associated with telomere length.
Identifiants
pubmed: 36592269
doi: 10.1007/s10522-022-10011-0
pii: 10.1007/s10522-022-10011-0
pmc: PMC10006047
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
245-255Informations de copyright
© 2022. The Author(s).
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