Ascorbic acid induces collagenase-1 in human periodontal ligament cells but not in MC3T3-E1 osteoblast-like cells: potential association between collagenase expression and changes in alkaline phosphatase phenotype.

Abstract excerpt

Ascorbic acid (AA) enhances osteoblastic differentiation by increasing collagen accumulation, which in turn, results in increased alkaline phosphatase (AP) expression in some osteogenic cells. However, in other cells, including human periodontal ligament (PDL) cells, additional osteoinductive agents are required for this response. To understand the potential basis for the maintenance of the AP phenotype of PDL...

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