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A Korean Poly-Herbal Medicine, SMO16, Regulates the RANKL/OPG Bone Remodeling in OVX Rat Model

  • Kinesiology
  • 2020, 5(1), pp.58~64
  • Publisher : Northeast Asian Studies Journal Institute (J-INSTITUTE)
  • Research Area : Arts and Kinesiology > Kinesiology > Kinesiology in general > Sport Pedagogy
  • Received : May 10, 2020
  • Accepted : May 25, 2020
  • Published : June 30, 2020

Seo Il-bok 1 Ahn Sang-hyun 1

1Semyung University, Jecheon, Republic of Korea

Candidate

ABSTRACT

Bone mass is regulated by bone resorption(osteoclast) and bone formation(osteoblast), and an imbalance between both processes results in osteoporosis. Osteoporosis is characterized by a loss of bone density and regulation of bone remodeling is crucial for the treatment of osteoporosis. In this study, we investigated whether SMO16, a Korean polyherbal medicine containing 5 herbal components, could regulate bone remodeling in an ovariectomized(OVX) rat model. To test the effect of SMO16 in the OVX model, the rats were divided into 3 groups: a control group, OVX group, and OVX + SMO16(2.25 g/kg) for 8 weeks(ST group). The expression of osteocalcin(OPC), receptor activator of nuclear factor kappa-B ligand(RANKL), and osteoprotegerin(OPG) were measured in the femur using specific antibodies. The bone mass was analyzed using dual-energy X-ray absorptiometry. In the OVX group, protein expression of OPC was decreased; however, in the ST group, OPC expression was significantly increased when compared with the OVX group. SMO16 significantly reduces RANKL-positive cells in the OVX rat femur. Additionally, SMO16 increased OPG expression levels. Importantly, SMO16 significantly increased bone density. These data suggest that SMO16 increases bone remodeling by regulating OPC, RANKL, and OPG signaling. SMO16 could be a potential alternative treatment for osteoporosis.

Citation status

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This paper was written with support from the National Research Foundation of Korea.