Isolation of GnafC, a polysaccharide constituent of Gnaphalium affine, and synergistic effects of GnafC and ascorbate on the phenotypic expression of osteoblastic MC3T3-E1 cells.

Abstract excerpt

After screening extensively factors in plant extracts that increase alkaline phosphatase activity, an osteoblastic differentiation marker protein in mouse calvarial osteoblast MC3T3-E1 cells, GnafC derived from Gnaphalium affine, was found to significantly enhance the alkaline phosphatase (ALPase) activity in a synergistic manner with ascorbate. GnafC was a polysaccharaide with an approximate molecular mass of...

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