Journal
CLINICAL THERAPEUTICS
Volume 42, Issue 10, Pages 1880-1891Publisher
ELSEVIER
DOI: 10.1016/j.clinthera.2020.08.010
Keywords
cardiac repair; mesenchymal stem cells; regenerative medicine; repair mechanisms
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Funding
- NSW Health Cardiovascular Disease Clinician Scientist Grant
- National Foundation for Medical Research and Innovation Project Grant
- Future Leader Fellowship from the National Heart Foundation of Australia [100463]
- Sydney Medical School Foundation Fellowship
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Purpose: Cardiac pathologies remain a dominant cause of morbidity and mortality within the community. The drive to develop therapies capable of repairing damaged heart tissue to achieve clinically significant restoration of function has motivated the pursuit of novel approaches such as cell therapy. To this end, evidence of therapeutic benefits achieved by using mesenchymal stem cells (MSCs) has captured considerable interest despite a relative lack of information regarding the mechanisms involved. This narrative review synthesizes and interprets the current literature describing mechanisms by which MSCs can elicit cardiac repair, thereby directing attention to avenues of further inquiry. Methods: OVID versions of MEDLINE and EMBASE were searched for studies describing the role of MSCs in mammalian cardiac repair. Additional studies were sourced from the reference lists of relevant articles and other personal files. Findings: MSCs elicit cardiac repair in a range of in vitro systems and animal models of diseases such as myocardial infarction and heart failure. Important mechanisms include the preservation of myocardial contractility, the promotion of angiogenesis, and the modulation of fibrosis. Exposing in vitro MSCs to a microenvironment reflective of that encountered in the injured heart seems to potentiate these therapeutic mechanisms. (C) 2020 Elsevier Inc.
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