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- Title
C-peptide is a predictor of telomere shortening: A five-year longitudinal study.
- Authors
Ghoussaini, Racha; Tamim, Hani; Elbejjani, Martine; Makki, Maha; Nasreddine, Lara; Ismaeel, Hussain; Nasrallah, Mona P.; Zgheib, Nathalie K.
- Abstract
Aim: Relative telomere length (RTL) predicts the development of many agerelated diseases. Yet, few studies have evaluated their longitudinal effect on RTL. We investigated longitudinally the association between cardiometabolic risk factors and RTL. Methods: This was a longitudinal study with a 5-year follow-up period, based on data collected in 2014 and 2019. Of 478 participants in 2014, 198 consented to be followed-up in 2019. The associations between RTL and risk factors were analyzed using t-test, ANOVA or simple linear regression as applicable. Results: RTL was significantly shortened after 5 years (P<0.001). Older age (P=0.018) and gender (P=0.05) were significantly associated with shorter RTL at follow-up. Higher baseline C-peptide correlated with shorter RTL (P=0.04) and shortening of RTL (P=0.03) after 5 years. Multivariate linear regression including both age and gender revealed a significant trend for C-peptide and change in RTL after 5 years (P=0.04). Interestingly, there was a trend of shorter RTL at follow-up with diabetes, though the findings were not statistically significant. Conclusions: Higher C-peptide level contributes to telomere shortening over time, suggesting that metabolic dysregulation may play a role in early aging. Further understanding of this relationship and addressing high C-peptide levels can be important to prevent premature aging.
- Subjects
TELOMERES; C-peptide; PREMATURE aging (Medicine); LONGITUDINAL method
- Publication
Frontiers in Endocrinology, 2022, Vol 13, p1
- ISSN
1664-2392
- Publication type
Article
- DOI
10.3389/fendo.2022.978747