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Nortrachelogenin Inhibits Receptor Activator of Nuclear Factor Kappa-B Ligand-Induced Nuclear Factor Kappa-B
Lifang Zhang1,2, Farwa Basit1,2, Santosh Kumar3
1Wenzhou-Kean University, Department of Biology, China, Wenzhou.
Abstract:
Nortrachelogenin is a dibenzylbutyrolactone lignan associated with redox-sensitive signaling. We examined its effects on receptor activator of nuclear factor kappa-B ligand (RANKL)-induced nuclear factor kappa-B (NF-κB) activation in osteoclast precursors. Nortrachelogenin attenuated IκB phosphorylation and degradation and reduced p65 phosphorylation. Consistently, it markedly decreased the formation of tartrate-resistant acid phosphatase (TRAP)-positive multinucleated osteoclasts. These findings identify nortrachelogenin as a lignan scaffold that suppresses nuclear factor kappa-B signaling and osteoclastogenesis in vitro.
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