Apoptotic and anti-adhesion effect of ajoene, a garlic derived compound, on the murine melanoma B16F10 cells: possible role of caspase-3 and the alpha(4)beta(1) integrin |
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Authors: | Ledezma Eliades Apitz-Castro Rafael Cardier José |
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Institution: | Laboratorio de Trombosis Experimental, Centro de Biofísica y Bioquímica, Instituto Venezolano de Investigaciones Científicas, Caracas 1020-A, Venezuela. |
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Abstract: | In this study we evaluated the hypothesis that the antitumor activity of ajoene could be associated with its apoptosis-inducing effect, and with its ability to block the expression of the alpha(4)beta(1) integrin, in the murine melanoma B16F10 cells. Ajoene induced a significant reduction in B16F10 viability (IC(50)=62 microM), in a dose-dependent manner. Flow cytometric analysis showed that the cytotoxic effect of this compound was associated with caspase-3 activation. Ajoene at 25 microM altered the alpha(4)beta(1) integrin expression on B16F10, and induced a significant reduction in the adhesion of these cells to an endothelial cell monolayer. |
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