Western Blotting analysis (reducing conditions) of HPB-ALL human peripheral blood leukemia cell line. Lane 1: negative control. Lane 2, 3, 4, 5, 6: immunostaining with anti-beta-tub ulin (TU-06; dilution 0, 5 ug/ml, 1 ug/ml, 2 ug/ml, 4 ug/ml, 5 ug/ml)