Figure 4From: Human pancreatic adenocarcinoma contains a side population resistant to gemcitabine The human PDAC SP displays higher sphere-forming capacity than the MP. (A) Spheres grown from CD45-/CD31- SP cells (left) and CD45-/CD31- MP cells (right) sorted from human PDAC xenografts. Representative examples are shown. Scale bar = 50 μm. (B) Boxplot of the number of spheres obtained (n = 6). *, p < 0.05.Back to article page