Title : Inhibition of receptor activator of nuclear factor-κB ligand (RANKL)-induced osteoclast formation by pyrroloquinoline quinine (PQQ).

Pub. Date : 2012 Feb 29

PMID : 22193059






7 Functional Relationships(s)
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1 Inhibition of receptor activator of nuclear factor-kappaB ligand (RANKL)-induced osteoclast formation by pyrroloquinoline quinine (PQQ). PQQ Cofactor tumor necrosis factor (ligand) superfamily, member 11 Mus musculus
2 The effect of pyrroloquinoline quinine (PQQ) on receptor activator of nuclear factor-kappaB ligand (RANKL)-induced osteoclast formation was examined using RAW 264.7 macrophage-like cells. PQQ Cofactor tumor necrosis factor (ligand) superfamily, member 11 Mus musculus
3 However, PQQ inhibited the appearance of osteoclasts and prevented the decrease of F4/80 macrophage maturation marker on RANKL-stimulated cells, suggesting a preventive action of PQQ on RANKL-induced osteoclast differentiation. PQQ Cofactor tumor necrosis factor (ligand) superfamily, member 11 Mus musculus
4 However, PQQ inhibited the appearance of osteoclasts and prevented the decrease of F4/80 macrophage maturation marker on RANKL-stimulated cells, suggesting a preventive action of PQQ on RANKL-induced osteoclast differentiation. PQQ Cofactor tumor necrosis factor (ligand) superfamily, member 11 Mus musculus
5 However, PQQ inhibited the appearance of osteoclasts and prevented the decrease of F4/80 macrophage maturation marker on RANKL-stimulated cells, suggesting a preventive action of PQQ on RANKL-induced osteoclast differentiation. PQQ Cofactor tumor necrosis factor (ligand) superfamily, member 11 Mus musculus
6 PQQ inhibited the activation of nuclear factor of activated T cells (NFATc1), a key transcription factor of osteoclastogenesis, in RANKL-stimulated cells. PQQ Cofactor tumor necrosis factor (ligand) superfamily, member 11 Mus musculus
7 Taken together, PQQ was suggested to prevent RANKL-induced osteoclast formation via the inactivation of NFATc1 by reduced c-Fos expression. PQQ Cofactor tumor necrosis factor (ligand) superfamily, member 11 Mus musculus