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Type I saikosaponins a and d inhibit osteoclastogenesis in bone marrow-derived macrophages and osteolytic activity of metastatic breast cancer cells

 Ji-Eun Shin  ;  Hyun-Jeong Kim  ;  Ki-Rim Kim  ;  Sun Kyoung Lee  ;  Junhee Park  ;  Hyungkeun Kim  ;  Kwang-Kyun Park  ;  Won-Yoon Chung 
 Evidence-Based Complementary and Alternative Medicine, Vol.2015 : 582437, 2015 
Journal Title
 Evidence-Based Complementary and Alternative Medicine 
Issue Date
Many osteopenic disorders, including a postmenopausal osteoporosis and lytic bone metastasis in breast and prostate cancers, are linked with a hyperosteoclast activity due to increased receptor activator of nuclear factor kappa-B ligand (RANKL) expression in osteoblastic/stromal cells. Therefore, inhibition of RANKL-induced osteoclastogenesis and osteoclast-induced bone resorption is an important approach in controlling pathophysiology of these skeletal diseases. We found that, of seven type I, II, and III saikosaponins isolated from Bupleurum falcatum, saikosaponins A and D, type I saikosaponins with an allyl oxide linkage between position 13 and 28 and two carbohydrate chains that are directly attached to the hydroxyl groups in position 3, exhibited the most potent inhibition on RANKL-induced osteoclast formation at noncytotoxic concentrations. The stereochemistry of the hydroxyl group at C16 did not affect their activity. Saikosaponins A and D inhibited the formation of resorptive pits by reducing the secreted levels of matrix metalloproteinase- (MMP-) 2, MMP-9, and cathepsin K in RANKL-induced osteoclasts. Additionally, saikosaponins A and D inhibited mRNA expression of parathyroid hormone-related protein as well as cell viability and invasion in metastatic human breast cancer cells. Thus, saikosaponins A and D can serve as a beneficial agent for the prevention and treatment of osteoporosis and cancer-induced bone loss.
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5. Research Institutes (연구소) > Oral Cancer Research Institute (구강종양연구소) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyun-Jeong(김현정) ORCID logo https://orcid.org/0000-0003-4608-2120
Kim, Hyung Keun(김형근)
Park, Kwang Kyun(박광균)
Park, Jun Hee(박준희)
Park, Jun-Hee(박준희)
Shin, Ji Eun(신지은)
Lee, Sun Kyoung(이선경) ORCID logo https://orcid.org/0000-0002-3707-8050
Chung, Won Yoon(정원윤) ORCID logo https://orcid.org/0000-0001-8428-9005
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