... verapamil and vincristine were all obtained from Sigma Chemicals. Calceinwas purchased from Molecular Probes. Staurosporine and bisindolylmaleimide IX methanesulfonate (Ro 31–8220)were obtained ... 733–738.22.Twentyman,P.R.,Fox,N.E.,Wright,K .A. &Bleehen,N.M.(1986) Derivation and preliminary characterization of adriamycinresistant lines of human lung cancer cells. Br.J.Cancer53,529–537.23. Barrand, M .A. , Heppell-Parton, A. C., ... transport in human erythrocytes and so the low affinitytransport of DNP-SG and the transport of cGMP may bemediated by one and the same transporter. The character-istics of transport indicate...