Influence of cardiovascular risk factors on endothelial progenitor cells: limitations for therapy?
نویسندگان
چکیده
The ideal way to prevent and cure atherosclerosis and the subsequent end organ damage is to restore and rejuvenate the dysfunctional vasculature and the damaged organs. Various studies have underlined the important role of bone marrow-derived endothelial progenitor cells (EPCs) in vasculogenesis and angiogenesis of ischemic tissue, but only a few studies have concentrated on the role of EPCs in the prevention and therapy of atherosclerosis. Extended endothelial cell damage by cardiovascular risk factors can result in endothelial cell apoptosis with loss of the integrity of the endothelium. The consequences are an increased vascular permeability of the endothelium followed by facilitated migration of monocytes and vascular smooth muscle cell proliferation, resulting in the premature manifestation of an atherosclerotic lesion. A growing body of evidence suggests that circulating EPCs play an important role in endothelial cell regeneration. Systemic transfusion or intrinsic mobilization of EPCs enhances the restoration of the endothelium after focal endothelial denudation, resulting in a diminished neointima formation. In mice with atherosclerotic lesions, bone-marrow-derived stem cells are able to reduce atherosclerotic plaque size. However, various studies have demonstrated that in humans, cardiovascular risk factors impair number and function of EPCs, potentially restricting the therapeutic potential of progenitor cells. The current review focuses on the role of cardiovascular risk factors on endothelial cell apoptosis and EPCs with its pathophysiological consequences for atherogenesis and a regenerative therapy approach and will highlight the role of EPCs as a marker for cardiovascular mortality and morbidity.
منابع مشابه
Endothelial Progenitor Cell Dysfunction in Polycystic Ovary Syndrome: Implications for The Genesis of Cardiovascular Diseases
متن کامل
The Impact of High-Intensity Interval Training Versus Moderate-Intensity Continuous Training on Endothelial Progenitor Cells in Overweight Women
Introduction: Obesity is linked to cardiovascular diseases, characterized by endothelial dysfunction, the optimal mode of exercise for controlling obesity of high-intensity interval training or moderate-intensity continuous training has is the however not yet been determined. Materials and Methods: A total of 33 inactive and overweight women, aged 40-50 years with body mass index over 27kg/m2 w...
متن کاملAre Stem Cells the next Therapeutic Tool for Heart Repair?
Cardiovascular disease remains the leading cause of morbidity and mortality in the United States and Europe. In recent years, the understanding that regenerative processes exist at the level of the myocardium, has placed stem cell research at center stage in cardiology. A stem cell is a cell that has the ability to divide (self replicate) for indefinite periods often throughout the life of the ...
متن کاملEffect of 8-week resistance training on HIF-1α gene expression and Endothelial Progenitor Cells recall of blood after one session of resistance activity in elderly men
Abstract Background and Objectives Dysfunction of endothelial cells is associated with the development of atherosclerosis and cardiovascular disease. Adult endothelial progenitor cells are derived from hematopoietic stem cells capable of forming new blood vessels through a process of angiogenesis. This study was to investigate the effect of resistance training on HIF-1α gene expression and rec...
متن کاملSimultaneous Effect of Resistance Training and Endothelial Progenitor Cell Injection on the Expression of Vegf Angiogenic Factor and Its Relationship with Insulin Resistance in Diabetic Male Rats Induced By Stz
Background: Exercise and the simultaneous use of progenitor cells is a new strategy aimed for reducing diabetic disorders. One of the known mechanisms is angiogenic disorders caused by diabetes. Therefore, the present study was performed to determine the simultaneous effect of resistance training with endothelial progenitor cell injection on the expression of angiogenic factors in the skeletal ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
- Arteriosclerosis, thrombosis, and vascular biology
دوره 26 2 شماره
صفحات -
تاریخ انتشار 2006