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  • P-ISSN 1010-0695
  • E-ISSN 2288-3339

Effect of Drynariae Rhizoma on the Proliferation of Human Bone Cells

대한한의학회지 / Journal of Korean Medicine, (P)1010-0695; (E)2288-3339
2003, v.24 no.4, pp.43-53
Bu-Tae Lee (동국대학교)
Ji-Cheon Jeong (동국대학교)
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Abstract

Drynariae Rhizoma (DR), an herbal medicine known for its effect to purify blood quality and improve circulation, frequently appears as the main ingredient in prescriptions for bone injuries. Currently, how pharmacologically it contributes to the reformation of bone is unclear. In the present study, the effect of the aqueous extract of DR on bone cells was investigated in vitro for the first time. The human osteoprecursor cells (OPC-1) were incubated in the medium with different concentrations of the aqueous extract of DR and the cell proliferation was studied. When the concentration of DR aqueous extract was <120 μg/ml, the proliferation of OPC-1 was enhanced. However, the proliferation of OPC-1 was inhibited by DR extract with the concentrations >250 μg/ml. Under most treatments, the cells presented very pale expression for cyclooxygenase-2 (Cox 2) protein; slightly intensified band showed at the highest DR concentration, 1.0 mg/ml during the course of culture. From the results, it was cloncluded that the aqueous extract of DR was found to directly stimulate the proliferation, alkaline phosphatase (ALP) activity, protein secretion and particularly type I collagen synthesis of OPC-1 at dose-dependent manner.

keywords
Drynariae Rhizoma, human osteoprecursor cells, alkaline phosphatase, collagen type I


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