Energy balance
Increased mitochondrial respiration and biogenesis are prerequisites for the adipogenic differentiation of human mesenchymal stem cells (hMSCs); inhibiting mitochondrial function via hypoxia, rotenone, or TFAM knockdown suppresses this differentiation.
This research highlights that cellular energy metabolism is not just a byproduct but a driver of cell identity. For therapeutic applications involving stem cells (like treating obesity or heart disease), ensuring mitochondrial health and function may be as important as the signaling molecules used to direct cell growth. It suggests that metabolic interventions could potentially influence fat cell formation by targeting mitochondrial efficiency.
Taken together, our data demonstrates that increased mitochondrial activity is a prerequisite for MSC differentiation into adipocytes.
Why this rating
High-quality in vitro mechanistic study using three distinct, concordant methods (pharmacological, environmental, genetic) to establish causality.
Source
Mitochondrial Respiration Regulates Adipogenic Differentiation of Human Mesenchymal Stem Cells
Yanmin Zhang et al. · PLoS ONE · 2013
DOI 10.1371/journal.pone.0077077
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