For HuH‐7 cell experiments, whole‐cell lysates were prepared and subjected to immunoblot analyses of SREBP‐1 and SREBP‐2 as described.23 For HepG2 experiments, cells were lysed in radio immunoprecipitation assay buffer with protease and phosphatase inhibitors. Densitometry was performed relative to actin in matched lanes. Goat anti‐human SREBP‐2 antibody was from R&D Systems (AF7119). LDLR antibody was from BioVision (3839‐100). Beta‐actin antibody was from Abcam (Ab8226). Secondary antibodies were from Li‐Cor.
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