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ID: ALA4118133
Journal: Bioorg Med Chem Lett
Title: Inhibitory effects of methyl-3,5-di-O-caffeoyl-epi-quinate on RANKL-induced osteoclast differentiation.
Authors: Kim TH, Ihn HJ, Kim K, Cho HS, Shin HI, Bae YC, Park EK.
Abstract: In this study, we have shown that methyl-3,5-di-O-caffeoyl-epi-quinate, a naturally occurring compound isolated from Ainsliaea acerifolia, inhibits receptor activator of nuclear factor-κB ligand (RANKL)-induced formation of multinucleated tartrate-resistant acid phosphatase (TRAP)-positive osteoclasts and the expression of osteoclast marker genes. Methyl-3,5-di-O-caffeoyl-epi-quinate also inhibited RANKL-induced activation of p38, Akt and extracellular signal-regulated kinase (ERK) as well as the expression of nuclear factor of activated T-cell (NFATc1), the key regulator of osteoclast differentiation. Negative regulators for osteoclast differentiation was upregulated by methyl-3,5-di-O-caffeoyl-epi-quinate. Collectively, our results suggested that methyl-3,5-di-O-caffeoyl-epi-quinate suppresses osteoclast differentiation via downregulation of RANK signaling pathways and NFATc1.
CiteXplore: 29657104