ANXA5 and neuroblastoma: Considering the results in Fig. 2a, b demonstrating the anti-proliferative activity of these agents, studies then investigated the effect of a 24 h/37 °C incubation with either: control medium (Con), control medium containing the solvent DMSO (final [DMSO] 1.4 % v/v), DpC, Dp44mT, or L1 (25 μM) on the apoptosis of a panel of four neuroblastoma cell lines via examining Annexin V/PI staining by flow cytometry (Fig. 3).