 final concentration of 000 nM CDK0 inhibitor or DMSO was administered to the cells, and these were cultured for 00 h at 00°C before collection for western blotting. 0, MDA-MB000S; 0, BT000; 0, SKBr0; 0, A000; 0, SW000; 0, MCF0; 0, KMST-0. (