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Abstract
Two highly invasive melanoma cell lines B16BL6 and B16F10 were used to investigate the anti-invasion and anti-angiogenesis action of taxol and camptothecin (CPT). The adhesion of melanoma cells was tested by optical absorbance at 545 nm. The invasive activity of these cells was tested in a transwell cell chamber assay. The cell migration within a 3D collagen matrix was recorded with a time-lapse video recorder and analyzed by computer-assisted cell tracking. Gelatin zymography was used to study the metalloproteinase activity. The chicken chorioallantoic membrane (CAM) model was used to study the anti-angiogenesis effect of the two drugs. The results demonstrated that both taxol and CPT could inhibit the migration of B16F10 cells, and inhibit the adhesion of B16F10 to fibronectin and laminin. They can reduce the metalloproteinase secretion of HT1080 and exhibit the anti-angiogenesis effect in the CAM model. Taxol showed a highly anti-invasion effect on B16BL6 cells while CPT did not exhibit such an effect.