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Figure S2. Lurbinectedin inhibits RNA synthesis and promotes Pol II degradation in different cancer cell lines. (A) Kinetics of RNA synthesis. Ewing sarcoma (A673), colon (HCT-116), cervix (HeLa) and breast (MDA-MB-231) cancer cells were treated with lurbinectedin or vehicle (DMSO) in normal growth medium for 0, 30, 45, 60, 90 and 120 minutes and pulsed with 5µCi/ml [3H] uridine for 30min. Data are mean {plus minus} SEM values (triplicates, n=1). (B) Western blot analyses of Pol II in the same panel of cancer cell lines after 1, 2, 3 or 4 hours of lurbinectedin (30nM) treatment. |
