IMR Press / FBL / Volume 14 / Issue 12 / DOI: 10.2741/3560

Frontiers in Bioscience-Landmark (FBL) is published by IMR Press from Volume 26 Issue 5 (2021). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on as a courtesy and upon agreement with Frontiers in Bioscience.

The role of endothelial progenitor and cardiac stem cells in the cardiovascular adaptations to age and exercise
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1 Cardiovascular Physiology, John Moores University, Webster Street 15-21, L3 3ET, United Kingdom
2 Stem Cell and Molecular Physiology Laboratory, Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Webster Street 15-21, L3 3ET, United Kingdom
3 Laboratory of Molecular and Cellular Cardiology, Magna Graecia University, Campus Germaneto, Viale Europa, Catanzaro 88100, Italy
4 Department of Physiology (Institute of Fundamental and Clinical Movement sciences), Radboud University Nijmegen Medical Centre, Geert Grooteplein-noord 21, 6500 HB, the Netherlands
Front. Biosci. (Landmark Ed) 2009, 14(12), 4685–4702;
Published: 1 January 2009

Age is a major risk factor for cardiovascular disease. Many hypotheses have been proposed to explain the ageing process. Ageing of tissue-specific as well as circulating stem and progenitor cell compartments can be viewed to be central to the decline of tissue and organ integrity and function in the elderly. Related to the cardiovascular system, circulating endothelial progenitor cells (EPCs) contribute to the endothelial integrity and function, and initiate adult neovascularization, while resident cardiac stem cells (CSCs) have the potential to differentiate into cardiomyocytes, endothelial or smooth muscle cells in the heart. Reduction in number and functional capacity of EPCs and CSCs might play a role in age-related vascular and cardiac dysfunction, leading to increased cardiovascular risk. In this review, we discuss the impact of ageing on EPCs and CSCs and their possible contribution to age-related cardiovascular adaptations. Regular aerobic physical activity has a strong cardioprotective effect, while physical inactivity is a central part of the aging process. Therefore, we also outline the immediate and long-term effects of physical activity on EPCs and CSCs.

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