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Kurz, D J; Kloeckener-Gruissem, B; Akhmedov, A; Eberli, F R; Bühler, I; Berger, W; Bertel, O; Lüscher, T F (2006). Degenerative aortic valve stenosis, but not coronary disease, is associated with shorter telomere length in the elderly. Arteriosclerosis, Thrombosis, and Vascular Biology, 26(6):e114-e117.

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OBJECTIVE: The mechanisms responsible for the age-related increase in the incidence of calcific aortic valve stenosis (CAS) are unclear but may include telomere-driven cellular senescence. Because telomere length varies widely among individuals of the same age, we hypothesized that patients with shorter telomeres would be prone to develop CAS late in life. METHODS AND RESULTS: Mean telomere length was measured in leukocytes from a cohort of 193 patients > or =70 years of age with and without CAS. Pilot experiments performed in 30 patients with CAS and controls pair-matched for age, sex, and presence or absence of coronary disease demonstrated significantly shorter telomeres in the CAS group both by Southern blot hybridization (5.75+/-0.55 kbp versus 6.27+/-0.7 kbp, P=0.0023) and by a quantitative polymerase chain reaction-based technique (relative telomere length 0.88+/-0.19 versus 1.0+/-0.19, P=0.01). This finding was then confirmed in the whole cohort (CAS n=64, controls n=129, relative telomere length=0.86+/-0.16 versus 0.94+/-0.12, P=0.0003). Both groups were comparable for potential confounding characteristics. Subgroup analysis according to the presence or absence of coronary disease demonstrated no association of this disorder with telomere length. CONCLUSIONS: In the elderly, calcific aortic stenosis, but not coronary disease, is associated with shorter leukocyte telomere length.


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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Medical Molecular Genetics
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Deposited On:03 Mar 2011 12:29
Last Modified:05 Apr 2016 14:25
Publisher:Lippincott Wiliams & Wilkins
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:10.1161/01.ATV.0000222961.24912.69
PubMed ID:16627805

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