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Multicenter Study
. 2009 Dec;30(24):3074-81.
doi: 10.1093/eurheartj/ehp324.

Systemic telomere length and preclinical atherosclerosis: the Asklepios Study

Tim De Meyer  1 , Ernst R Rietzschel, Marc L De Buyzere, Michel R Langlois, Dirk De Bacquer, Patrick Segers, Piet Van Damme, Guy G De Backer, Patrick Van Oostveldt, Wim Van Criekinge, Thierry C Gillebert, Sofie Bekaert; Asklepios Study Investigators
Affiliations
Multicenter Study

Systemic telomere length and preclinical atherosclerosis: the Asklepios Study

Tim De Meyer et al. Eur Heart J. 2009 Dec.

Abstract

Aims: Peripheral blood leucocyte (PBL) telomere length (TL) is a systemic ageing biomarker and has been proposed to be an independent predictor of cardiovascular disease (CVD). We aimed at providing an explanation for this association by the evaluation of the biomarker value of PBL-TL in preclinical atherosclerosis.

Methods and results: Peripheral blood leucocyte telomere length was assessed by telomere restriction fragment analysis in 2509 volunteers free from established CVD, aged approximately 35-55 years old, from the Asklepios Study cohort. Intima-media thickness (IMT) and plaque presence were determined by ultrasonography in both left and right carotid and femoral arteries. Peripheral blood leucocyte telomere length was not a significant independent determinant of IMT (P > 0.3) or plaque presence (P > 0.05), in either artery or either sex. In women but not in men, PBL-TL was a weak determinant of combined (carotid or femoral) plaque presence, adjusted for other risk factors (women: P = 0.03, men: P > 0.4). However, even in women presenting plaques, PBL-TL was still longer than in men.

Conclusion: Since systemic TL is not a substantial underlying determinant of preclinical atherosclerosis, the association between CVD and TL cannot be explained by the fact that subjects with shorter inherited TL are predisposed to atherosclerosis.

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