PGC-1α: key regulator of mitochondrial biogenesis and cellular differentiation in metabolic and regenerative tissues.
Level 5 - mechanism / opinion, no new human data
Narrative review of mechanistic biology with no new human clinical data.
PubMed 41456074 · doi:10.1186/s13578-025-01519-2
What was done
This narrative review synthesized recent progress on the biological functions of peroxisome proliferator-activated receptor γ coactivator 1α (PGC-1α), focusing on its tissue-specific isoforms, mitochondrial biogenesis regulation, and roles in cell fate specification across adipocytes, skeletal muscle, and bone marrow-derived cells.
What was found
The abstract reports no primary experimental numbers or quantitative effect sizes. It describes PGC-1α as a coactivator influencing mitochondrial function, oxidative stress, and endoplasmic reticulum homeostasis, while modulating gene expression networks to regulate differentiation in various tissue types.
Why it matters
Understanding the mechanistic involvement of PGC-1α in tissue-specific cell differentiation highlights its potential relevance for regenerative medicine and metabolic disease targets.
Limits
This is a narrative review presenting qualitative mechanistic descriptions rather than a systematic synthesis or original empirical data. The abstract provides no quantitative metrics, clinical trials, or search methodology details.
Cited by
- supports PGC-1alpha drives mitochondrial biogenesis that converts white adipose tissue to brown adipose tissue.