alexa Bone morphogenetic protein-2 stimulates alkaline phosphatase activity and collagen synthesis in cultured osteoblastic cells, MC3T3-E1.
Materials Science

Materials Science

Journal of Nanomedicine & Nanotechnology

Author(s): Takuwa Y, Ohse C, Wang EA, Wozney JM, Yamashita K

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Abstract The activities of three bone morphogenetic proteins (BMPs), BMP-1, BMP-2 and BMP-3, on alkaline phosphatase activity, collagen synthesis and DNA synthesis were studied in cultured osteoblastic cells, MC3T3-E1. Treatment of cells with BMP-2 for 48 h induces an increase in cellular alkaline phosphatase activity. This stimulatory effect is evident at a concentration as low as 20 ng/ml of BMP-2 and becomes greater with increasing doses of BMP-2. The BMP-2-induced increase in alkaline phosphatase activity is enhanced by the presence of beta-estradiol, dexamethasone or 1 alpha, 25(OH)2D3. BMP-2 and BMP-3 slightly but significantly stimulate collagen synthesis. None of the BMPs stimulates DNA synthesis in MC3T3-E1 cells at doses tested. These results indicate that BMPs act directly on osteoblastic cells and stimulate the expression of the osteoblastic phenotypes.
This article was published in Biochem Biophys Res Commun and referenced in Journal of Nanomedicine & Nanotechnology

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