Myricetin

Resveratrol, piceatannol, resminostat, entinostat, mocetinostat, vorinostat, curcumin, garcinol, anacardic acid and Tip60i were purchased from Selleckchem (Houston, TX, USA). MB-3 and BMS-345541 were purchased from MilliporeSigma (Burlington, MA, USA). Pterostilbene and myricetin were from LKT Laboratories (St. Paul, MN, USA) and trimethoxy-Resveratrol (trans-3,5,4′-trimethoxystilbene) was from Cayman Chemical Co. (Ann Arbor, MI, USA). Stock solutions of the chemicals were prepared based on the information provided by the manufacturer and maintained at −20°C. The antibodies for human PD-L1 (E1L3N, 13684), p38 MAPK (D13E1, 8690), NF-κB p65 (D14E12, 8242), γH2AX (20E3, 9718), cleaved caspase 3 (D3E9, 9579), IRF-1 (D5E4, 8478) and rabbit IgG isotype monoclonal antibody (DA1E, 5742) conjugated to PE were obtained from Cell Signaling Technology (Beverly, MA, USA). c-Myc antibody (9E10, sc-40) was obtained from Santa Cruz Biotechnology Inc. (Santa Cruz, CA, USA). Fetal bovine serum, RPMI-1640, DMEM, streptomycin and penicillin were from Gibco/Thermo Fisher Scientific (Waltham, MA, USA). All other chemicals and solvents were of analytical grade.