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cas2235-sup-0001-fS1.tifimage/tif2353KFig. S1. Flow cytometric analysis of cell cycle progression in Capan-1 cells treated with gemcitabine (100 ng/mL) for 12 or 24 h.
cas2235-sup-0002-fS2.tifimage/tif2248KFig. S2. Flow cytometric analysis of CD133 expression in Capan-1 cells treated with or without interferon-alpha (IFN-α). IFN-α treatment (5000 IU/mL) for 24 h decreased the ratio of CD133+ Capan-1 cells over time.
cas2235-sup-0003-fS3.tifimage/tif1610KFig. S3. Comparison of BrdU assay between CD133+ and CD133 Capan-1 cells treated with gemcitabine (GEM) (100 ng/mL) alone, interferon-alpha (IFN-α) (5000 U/mL) alone or GEM combined with IFN-α for 24 h.
cas2235-sup-0004-fS4.tifimage/tif768KFig. S4. (A) Body weight curves of nude mice were not significantly different among the three treatments, which were gemcitabine (GEM) (100 ng/mL) alone, interferon-alpha (IFN-α) (5000 U/mL) alone or GEM plus IFN-α. (B) Comparison of proportions of CD133+ cells in Capan-1 xenografts that were treated with GEM (100 ng/mL) alone, IFN-α (5000 U/mL) alone or GEM plus IFN-α at week 2 and 5.
cas2235-sup-0005-fS5.tifimage/tif4396KFig. S5. (A) Comparison of the number of spheres per well (cm3) for pancreatic cancer cell lines, Panc-1, Capan-1, MIA PaCa-2, PK45H and SW1990. The white and black bars indicate the spheres composed of 3–30 and >30 cells, respectively. (B) Immunohistochemical study of a Capan-1 tumor generated by transplantation into non-obese diabetic (NOD)/SCID mice. (i) HE staining and (ii, iii, iv) immunostaining performed to identify cytokeratin (CK) and CD133 expression, respectively.
cas2235-sup-0006-tS1.docWord document32KTable S1. Comparison of potential markers related to tumor-initiating cells in six pancreatic cancer cell lines.

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