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2 protocols using ab51049

1

Immunodetection of Stem Cell Markers

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Anti-Sox9 antibody was purchased from Millipore (AB5535, Billerica, MA). Anti-β-catenin and glycogen synthase kinase 3β (GSK3β) antibodies were obtained from BD Transduction Laboratories (#610153 & #610201, San Jose, CA). Anti-Oct4, Sox2 and FZD7 antibodies were purchased from Abcam (ab19857, ab97959 & ab51049, Cambridge, UK). Anti-E-cadherin, vimentin and phospho-GSK3β (Ser9) antibodies were obtained from Cell Signaling Technology (#3195, #5741 & #9336, Beverly, MA, USA). Anti-β-actin antibody was purchased from Sigma-Aldrich (A5316, St. Louis, MO, USA). Anti-CD24 (ab30350, Abcam), E-cadherin (#610181, BD Transduction Laboratories) and vimentin antibodies (M0725, Dako, Glostrup, Denmark) were used for immunofluorescent staining. Anti-CK19 (ab52625, Abcam), anti-AFP (A0008, Dako) and anti-EpCAM (M0804, Dako) were used for immunohistochemistry.
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2

Westerns Blotting Assay for Wnt Signaling

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Whole cell lysates were extracted using RIPA buffer supplemented with protease inhibitor cocktail. Protein lysate were separated by SDS-polyacrylaminde gel electrophoresis (SDS-PAGE) and transferred to polyvinylidene difluoride membrane (Millipore, MA, USA) for western blotting analyses. Primary antibodies against Cripto-1 (1:1000, ab108391, Abcam), total β-catenin (1:2500, 610153, BD Transduction Laboratories, San Jose, CA), Dishevelled-3 (DVL3) (1:1000, sc-8027, Santa Cruz Biotechnology), Frizzled-7 (FZD7) (1:1000, ab51049, Abcam), LRP6 (1:1000, #2560, Cell Signaling) and β-actin (1:80,000, A5316, Sigma-Aldrich, St. Louis, MO, USA) were incubated at 4 °C overnight. HRP-conjugated antirabbit or antimouse IgG were used as secondary antibodies at 1:5000 where appropriate (Santa Cruz Biotechnology, Texas, USA). The signals were visualized using the enhanced chemiluminescence method.
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