The SREBP1 inhibitors, PF429242 and betulin, were purchased from Sigma Aldrich (St. Louis, MO) and Merck (Kenilworth, NJ), respectively. SREBP1 antibody was purchased from BD Biosciences (#557036; San Jose, CA). FASN antibody was purchased from Santa Cruz Biotechnology (SC-55580; Santa Cruz, CA). ACC antibody was purchased from Cell Signaling Technology, Inc (#3662; Beverly, MA). Nile Red (N1142), DAPI (62248) and the secondary antibodies, Alexa Fluor 488-Donkey anti-mouse (A32766) and Alexa Fluor 568-Donkey anti-rabbit (A10042) were purchased from Thermo Fisher Scientific (Waltham, MA). Other reagents and antibodies were the same as described previously13 (link), 23 (link).