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Asperosaponin VI Protects Against Bone Destructions in Collagen Induced Arthritis by Inhibiting Osteoclastogenesis

Asperosaponin VI Protects Against Bone Destructions in Collagen Induced Arthritis by Inhibiting Osteoclastogenesis

Kaifei Liu, Ying Liu, Yanting Xu, Kutty Selva Nandakumar, Huijing Tan, Chonghua He, Wenzhen Dang, Jiahe Lin, Chun Zhou

Phytomedicine. 2019 Oct;63:153006.

PMID: 31299594

Abstract:

Background:
Bone destructive diseases like rheumatoid arthritis (RA), osteoporosis and bone metastatic tumors are mainly mediated by over-activated osteoclasts. Asperosaponin VI (AVI), isolated from the rhizome of Dipsacus asper, belongs to triterpenoid saponins. It has multiple physiological activities but its effects on RA, especially on osteoclast differentiation and activation are still unclear.
Purpose:
Explore the protective role of AVI on collagen induced arthritis (CIA) in vivo and RANKL induced osteoclastogenesis in vitro.
Methods:
The effects of AVI on cell viability and RANKL-induced osteoclastogenesis, actin ring formation, bone resorption activity as well as on osteoclast specific gene and protein expression were tested using bone marrow derived monocytes (BMMs). Paws from CIA mice were used for micro-CT, HE and TRAP staining, real-time PCR and western blot. Sera were used for cytokine analysis by ELISA. The signaling pathways were detected using western blot, real-time PCR and immunofluorescence assay.
Results:
AVI significantly inhibited RANKL-induced osteoclast formation and bone resorption activity by suppressing the formation of actin ring. It also inhibited the expression of various osteoclatogenesis marker genes and signaling pathways. AVI protected arthritis in vivo by suppressing inflammation and bone loss.
Conclusion:
AVI exerts its anti-osteoclastogenic activity both in vitro and in vivo by inhibiting RANKL-induced osteoclast differentiation and function. Thus, our studies demonstrate a potential therapeutic role for AVI in preventing or inhibiting RANKL-mediated osteolytic bone diseases.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP39524088-A	Asperosaponin VI		39524-08-8	Price

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