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Revista de investigación clínica
On-line version ISSN 2564-8896Print version ISSN 0034-8376
Abstract
ACEVES, José Luis et al. Stem cell perspectives in myocardial infarctions. Rev. invest. clín. [online]. 2005, vol.57, n.2, pp.156-162. ISSN 2564-8896.
Myocardial infarction is the leading cause of congestive heart failure and death in industrializated countries. The cellular cardiomyoplasty has emerged as an alternative treatment in the regeneration of infarted myocardial tissue. In animals' models, differents cellular lines such as cardiomyocites, sheletal myoblast, embryonic stem cells and adult mesenchymal stem cells has been used, resulting in an improvement in ventricular function and decrease in amount of infarted tissue. The first three cells line have disvantages as they are allogenics and are difficult to obtain. The adult mesenchymal stem cells are autologous and can be obtained throught the aspiration of bone marrow or from peripherical circulation, prior to stimulating with cytokines (G-CSF). The implantation in humans with recent and old myocardial infarction have shown improvements similar to those shown in animal models. These findings encourage the continued investigation in the mechanism of cellular differentiation and implantation metods in infarted myocardial tissue.
Keywords : Stem cell; Myocardial infarctions; Cellular cardiomyoplasty.