Figure 3.
MYCN induces replication stress. (a) WB analysis of the expression of the indicated proteins and phosphoepitopes in MYCN+/− cells at various time points. (b) WB analysis of RPA32 protein expression in total extracts and in the chromatin-bound fractions, in MYCN+/− cells. Histone H3 and β tubulin were used as positive and negative controls of chromatin fraction, respectively. The ponceau staining was used as the loading control. (c) Neutral comet assay of MYCN+/− cells in basal condition. (d) WB analysis of the expression of the indicated protein in MYCN+/− cells untreated or treated with hydroxyurea (HU, 1 mM). (***P<0.005)