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Verticillin A mediates cell-cycle progression in 5-FU-resistant human colon carcinoma cells. A. LS411N-5FU-R cells were cultured in the presence of Verticillin A at the indicated concentrations for 24 h. Cells were then stained with PI, and analyzed by flow cytometry. A. Cells as shown in A were quantified for percentages of cells in various phases the cell cycle (as shown). Columns, mean; bars, SD.
