Fig. 4From: mRNAs biomarker related to the control of proliferation and cell death in HepG2/C3A spheroid and monolayer cultures treated with piperlongumineCell death analysis. Cell death induction after 24 h of PLN treatment. Cells were analyzed using PE Annexin V and 7-aad in flow cytometry. * p ≤ 0.05, ** p ≤ 0.01, *** p ≤ 0.001 in relation to control (0 μM). Different letters indicate significant differenceBack to article page