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Effect of propranolol on proliferative responses of human leukemic Jurkat T-cell line. The Jurkat cells were treated with different concentrations of propranolol (0.0004 - 0.4 mM) for 12, 24 and 48 hours. The results are presented as % of viability demonstrated by trypan blue dye exclusion (TB) test (A) and cell number/control demonstrated by MTT assay (B). Data are mean ± SD of triplicate cultures. n = 3; P < 0.05 was considered significant.
