P‐glycoprotein expression and schedule dependence of adriamycin cytotoxicity in human colon carcinoma cell lines

Abstract excerpt

Four human colon cancer cell lines (SW620, LS 180, DLD-I, and HCT-15) and Adriamycin-resistant sub-lines with varying degrees of P-glycoprotein expression were studied to evaluate the reversibility of Adriamycin resistance in human colon cancer. Two groups of cell lines were studied. In the first, including a series of Adriamycin-resistant SW620 and DLD-I sub-lines, and in parental HCT-15 cells, P-glycoprotein...

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