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Vitamin A (Retinoids) Regulation Of Mouse Melanoma Growth And Differentiation, Richard Niles

Richard M Niles

The incidence of melanoma is rapidly increasing in the U.S. population. At the present, there is no effective chemotherapy against invasive melanoma. At our laboratory, we have been studying retinoic acid (RA)-induced growth arrest and differentiation in the B16 murine melanoma cell model. Several immediate-early gene targets of RA were identified by gene arrays. In one of these genes, T-box binding protein-2 (Tbx-2), an RA response element, was identified in the promoter region that mediates the RA responsiveness of this gene. RA also induces a sixfold to eightfold increase in protein kinase C (PKC)α RNA and protein. This gene is …