Pyrroloquinoline quinone stimulates mitochondrial biogenesis through cAMP response element-binding protein phosphorylation and increased PGC-1alpha expression
Chowanadisai W, Bauerly KA, Tchaparian E, Wong A, Cortopassi GA, Rucker RB
Published in Journal of Biological Chemistry
Abstract
Study demonstrating PQQ stimulates mitochondrial biogenesis through CREB phosphorylation and PGC-1α activation, providing mechanism for enhanced cellular energy production and potential anti-aging effects.
Methodology
Laboratory study in mouse hepatocytes and cell culture examining pyrroloquinoline quinone effects on CREB phosphorylation, PGC-1alpha expression, mitochondrial DNA content and respiratory capacity.
Key Findings
PQQ exposure increased CREB phosphorylation and PGC-1alpha expression, with corresponding increases in mitochondrial DNA content and cellular respiration, indicating stimulation of mitochondrial biogenesis.
Conclusions
PQQ can trigger mitochondrial biogenesis signalling in cells, providing a mechanistic rationale for further study; it does not by itself demonstrate any clinical benefit in humans.
Limitations
Cell and rodent work only, with supraphysiological exposures and no human outcomes; mechanistic findings frequently fail to translate into clinical effect.
Outcomes Measured
PQQ stimulates mitochondrial biogenesis through CREB phosphorylation and PGC-1α activation, providing mechanism for enhanced cellular energy production.
Study Details
Access Study
This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.