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Expert Rev Cardiovasc Ther. 2017 May;15(5):345-356. doi: 10.1080/14779072.2017.1319278. Epub 2017 Apr 21.

Eat, breathe, ROS: controlling stem cell fate through metabolism.

Author information

1
a San Diego State University , Integrated Regenerative Research Institute , San Diego , CA , USA.

Abstract

Research reveals cardiac regeneration exists at levels previously deemed unattainable. Clinical trials using stem cells demonstrate promising cardiomyogenic and regenerative potential but insufficient contractile recovery. Incomplete understanding of the biology of administered cells likely contributes to inconsistent patient outcomes. Metabolism is a core component of many well-characterized stem cell types, and metabolic changes fundamentally alter stem cell fate from self-renewal to lineage commitment, and vice versa. However, the metabolism of stem cells currently studied for cardiac regeneration remains incompletely understood. Areas covered: Key metabolic features of stem cells are reviewed and unique stem cell metabolic characteristics are discussed. Metabolic changes altering stem cell fate are considered from quiescence and self-renewal to lineage commitment. Key metabolic concepts are applied toward examining cardiac regeneration through stem cell-based approaches, and clinical implications of current cell therapies are evaluated to identify potential areas of improvement. Expert commentary: The metabolism and biology of stem cells used for cardiac therapy remain poorly characterized. A growing appreciation for the fundamental relationship between stem cell functionality and metabolic phenotype is developing. Future studies unraveling links between cardiac stem cell metabolism and regenerative potential may considerably improve treatment strategies and therapeutic outcomes.

KEYWORDS:

Cardiac progenitor cell; differentiation; glycolysis; metabolism; mitochondria; pluripotency; reactive oxygen species; respiration; self-renewal; stem cell

PMID:
28406333
PMCID:
PMC5704935
DOI:
10.1080/14779072.2017.1319278
[Indexed for MEDLINE]
Free PMC Article

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