Aging and Disease as Modifiers of Efficacy of Cell Therapy
Tóm tắt
Cell therapy is a promising option for treating ischemic diseases and heart failure. Adult stem and progenitor cells from various sources have experimentally been shown to augment the functional recovery after ischemia, and clinical trials have confirmed that autologous cell therapy using bone marrow—derived or circulating blood–derived progenitor cells is safe and provides beneficial effects. However, aging and risk factors for coronary artery disease affect the functional activity of the endogenous stem/progenitor cell pools, thereby at least partially limiting the therapeutic potential of the applied cells. In addition, age and disease affect the tissue environment, in which the cells are infused or injected. The present review article will summarize current evidence for cell impairment during aging and disease but also discuss novel approaches how to reverse the dysfunction of cells or to refresh the target tissue. Pretreatment of cells or the target tissue by small molecules, polymers, growth factors, or a combination thereof may provide useful approaches for enhancement of cell therapy for cardiovascular diseases.
Từ khóa
Tài liệu tham khảo
Dimmeler S Burchfield J Zeiher AM. Cell-Based Therapy of Myocardial Infarction. Arterioscler Thromb Vasc Biol. 2007.
Ceradini DJ Yao D Grogan RH Callaghan MJ Edelstein D Brownlee M Gurtner GC. Decreasing intracellular superoxide corrects defective ischemia-induced new vessel formation in diabetic mice. J Biol Chem. 2008.
Satoh M Ishikawa Y Takahashi Y Itoh T Minami Y Nakamura M. Association between oxidative DNA damage and telomere shortening in circulating endothelial progenitor cells obtained from metabolic syndrome patients with coronary artery disease. Atherosclerosis. 2007.
Nabeshima Y. Toward a better understanding of Klotho. Sci Aging Knowledge Environ. 2006; 2006: pe11.