ABCG2 and neoplasm: Compared to tumor-engraftment generated by PANC-1 cells grown in glucose-containing medium, ductular lesions in the tumor engraftment generated by PANC-1 cells grown under fructose-substituted conditions expressed higher levels of GLUT5, ABCG2, and CD133 (Figure 2E and Supplementary Figure S3B–S3D).