Title : Pyrroloquinoline Quinone, a Redox-Active o-Quinone, Stimulates Mitochondrial Biogenesis by Activating the SIRT1/PGC-1α Signaling Pathway.

Pub. Date : 2017 Dec 19

PMID : 29185343






5 Functional Relationships(s)
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1 Pyrroloquinoline Quinone, a Redox-Active o-Quinone, Stimulates Mitochondrial Biogenesis by Activating the SIRT1/PGC-1alpha Signaling Pathway. PQQ Cofactor sirtuin 1 Mus musculus
2 Moreover, we observed that PQQ treatment induces deacetylation of the peroxisome proliferator-activated receptor-gamma-coactivator 1alpha (PGC-1alpha) and facilitates its nuclear translocation and target gene expression but does not affect its protein levels, implying increased activity of the NAD+-dependent protein deacetylase sirtuin 1 (SIRT1). PQQ Cofactor sirtuin 1 Mus musculus
3 Moreover, we observed that PQQ treatment induces deacetylation of the peroxisome proliferator-activated receptor-gamma-coactivator 1alpha (PGC-1alpha) and facilitates its nuclear translocation and target gene expression but does not affect its protein levels, implying increased activity of the NAD+-dependent protein deacetylase sirtuin 1 (SIRT1). PQQ Cofactor sirtuin 1 Mus musculus
4 Indeed, treatment with a SIRT1 selective inhibitor, EX-527, hampered the ability of PQQ to stimulate PGC-1alpha-mediated mitochondrial biogenesis. PQQ Cofactor sirtuin 1 Mus musculus
5 Our results suggest that PQQ-inducible mitochondrial biogenesis can be attributed to activation of the SIRT1/PGC-1alpha signaling pathway by enhancing cellular NAD+ formation. PQQ Cofactor sirtuin 1 Mus musculus