Loss of adhesion in the circulation converts amelanotic metastatic melanoma cells to melanotic by inhibition of AKT.

Abstract excerpt

Direct injection of murine K-1735 melanoma cells into the subcutis, lung, or brain of syngeneic mice produces amelanotic tumors, whereas intravenous injection into the lateral tail vein or internal carotid artery produces both amelanotic and melanotic foci in the lung and the brain respectively. We hypothesized that loss of adhesion in the circulation may contribute to the melanogenic phenotypes of cells. To test...

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