Effect of 8-Cl-Ado on expression of antiapoptotic proteins MCL-1 and BCL-2 in CLL lymphocytes. Immunoblot analysis was carried out for the expression of MCL-1 and BCL-2 proteins after incubating CLL lymphocytes with 10 μM 8-Cl-Ado with varying times. Actin was used as a loading control.