Fig. 6.
SERCA expression in ATRA-resistant HL-60 and NB4 cells. Wild-type and ATRA-resistant HL-60 and NB4 cells were treated with 1 μmol/L of ATRA for 4 days and SERCA expression was determined. (▪) SERCAPLIM; (□) SERCA 2b. Data are the mean ± SEM of 3 experiments.