Journal
EUROPEAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY
Volume 40, Issue 1, Pages 17-26Publisher
W B SAUNDERS CO LTD
DOI: 10.1016/j.ejvs.2010.04.012
Keywords
Telomere; Telomerase; Vascular; Cardiac
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Introduction: Telomeres are specialised DNA-protein complexes which cap the ends of linear chromosomes serving to maintain DNA integrity during cell division. Telomere length naturally shortens with successive cell divisions and represents a cellular marker of biological age. This paper aims to provide an overview of telomere biology and review the evidence for any association between vascular surgical conditions and short telomere length. Methods: A systematic review of the literature was performed using the search terms 'telomere' and 'vascular'. Results: Considerable associations between a shorter mean telomere length and coronary heart disease have been observed. This finding extends to vascular disease risk factors including age, sex, smoking, obesity, hypertension and diabetes. Vascular diseases including abdominal aortic aneurysm, peripheral vascular disease and carotid disease were also associated with shorter telomere lengths but evidence was limited to a small number of studies. There were no reports of short telomere length associated with varicose veins or arteriovenous malformations suggesting a novel area for further investigation. Conclusion: Multiple associations between short telomere length and vascular disease characterised by atherosclerosis suggest a possible link between telomere attrition and disease mechanisms. Further studies are warranted to validate and define the role of telomeres in vascular disease pathogenesis. Crown Copyright (C) 2010 Published by Elsevier Ltd on behalf of European Society for Vascular Surgery. All rights reserved.
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