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(A and B) Flow cytometry analysis of apoptosis in HeLa cells after 16 h of treatment with the combination of 20 nM LMB + 5 nM AD. (C) Hoechst 33258 staining of untreated HeLa cells. (D) Nuclear fragmentation of HeLa cells after 18 h of 20 nM LMB + 5 nM AD. (E) Western blot analysis of PARP protein in HeLa cells 35 h after 20 nM LMB + 5 nM AD (first lane) and without treatment (second lane).
