Research
Mixed
Nrf2 and PGC-1α form a bidirectional regulatory loop where Nrf2 influences PGC-1α expression, and PGC-1α activates Nrf2, jointly regulating mitochondrial biogenesis.
Understanding that Nrf2 and PGC-1α work together helps explain why both stressors (like exercise) and nutrients (like those activating Nrf2) are important for mitochondrial health. They reinforce each other.
ModerateSupportsMEDIUM confidence
It is also possible that Nrf2 and PGC-1α form the feedback loop, i.e., Nrf2 directly influences PGC-1α expression... There are data that confirm the existence of the Nrf2/PGC-1α feedback loop.
Why this rating
Review paper citing multiple studies establishing the loop.
Source
Regulation of Mitochondrial Biogenesis as a Way for Active Longevity: Interaction Between the Nrf2 and PGC-1α Signaling Pathways
Artem P. Gureev et al. · Frontiers in Genetics · 2019
DOI 10.3389/fgene.2019.00435
narrative_reviewCited 623×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Activation of the Nrf2 signaling pathway promotes mitochondrial biogenesis, thereby supporting active longevity and mitigating age-related mitochondrial dysfunction.Moderate
- Physical exercise induces Nrf2-dependent mitochondrial biogenesis in skeletal muscle and the brain, contributing to neuroprotection and metabolic health.Moderate
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