UTG8 shRNA was purchased from MISSION shRNA at Sigma-Aldrich. Human UGT8 and Sox10 were amplified from a MDA-MB231 cDNA library and subcloned into pLVX-Puro.
Sulfatide and GalCer were purchased from Avanti Polar Lipids and Abcam, respectively. Antibody against UGT8 was from Protein Tech Group. Antibodies against Sox10, Smad4, Smad5, Integrin αV, and Integrin αVβ5 were from Abcam. Antibodies against RelA and Phospho-Smad1 (Ser463/465)/Smad5 (Ser463/465)/Smad9 (Ser465/467) were from Santa Cruz and Cell Signaling Technology, respectively. Antibodies for galactocerebroside, sulfatide, and integrin αVβ3 were purchased from Millipore Sigma. Antibodies for ID4 and β-actin were from BioCheck and Sigma-Aldrich, respectively.
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