Fig. 3From: Long-lasting reduction in clonogenic potential of colorectal cancer cells by sequential treatments with 5-azanucleosides and topoisomerase inhibitorsCombinatorial treatments cause changes in CRC cell morphology. Representative bright-field microscopic images (bar = 100 μm) of HCT116 and DLD-1 cells after sequential treatments with 1 μM 5-aza-dC and 25-50 μM irinotecan. Figure 1a shows the treatment schemeBack to article page