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ISSN: 2157-7633

Journal of Stem Cell Research & Therapy
Open Access

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Review Article

Stem Cell Therapy: A New Approach for Treatment of Myocardial Infarction

Ashton Faulkner and Paolo Madeddu*

Bristol Heart Institute, School of Clinical Sciences, University of Bristol, United Kingdom

Corresponding Author:
Paolo Madeddu
Professor, MD CS FAHA
Chair Experimental
Cardiovascular Medicine
Head of Regenerative Medicine Section
Bristol Heart Institute, School of Clinical Sciences
University of Bristol, Level 7, Bristol Royal Infirmary
Upper Maudlin Street, Bristol BS2 8HW, United Kingdom
Tel: 0044 (0)117 342 3904, 0044 077 691 55 205(mobile)
Fax: 0044 (0)117 342 3904
E-mail: [email protected]

Received Date: August 26, 2011; Accepted Date: November 17, 2011; Published Date: November 19, 2011

Citation: Faulkner A, Madeddu P (2011) Stem Cell Therapy: A New Approach for Treatment of Myocardial Infarction. J Stem Cell Res Ther S1:004. doi:10.4172/2157-7633.S1-004

Copyright: ©2011 Faulkner A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Stem cell therapy offers the opportunity of myocardial repair in patients who have suffered a myocardial infarction, a concept currently not feasible with present treatment options. Embryonic, adult, and induced pluripotent stem cells all offer a potential cell source for myocardial repair. Pre-clinical studies suggest that embryonic and induced pluripotent stem cells may be the most ideal cell type as they have the potential to differentiate into cardiomyocytes and restore a degree of functional recovery in animal models. Due to practical and ethical issues surrounding these cell types however, more focus has been on the use of adult stem cells, predominantly those of the bone-marrow. Pre-clinical studies suggest that bone-marrow stem cells can promote a degree of functional recovery through either differentiating into cardiomyocytes or acting in a paracrine manner to promote neoangiogenesis. The apparent success in pre-clinical models paved the way to a number of clinical trials to take place. Although mixed results have been reported, these trials have however shown that stem cell therapy is safe and feasible in humans. Many questions are still unanswered including, what is the optimal cell type, dose and timing of transplantation. This review highlights the benefits and limitations of each cell type and possible regenerative mechanisms.

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