2.2 Cell culture
MIN-6 cells were cultured in Dulbecco's modified Eagle's medium(DMEM;8116008;Gibco Shanghai,China)supplemented with 10%fetal bovine serum(FBS;1507772;BI,Israel)and 1% 100×L-glutamine(TransGen;FG201-01,Beijing,China)in 37℃,5% CO2.(https://www.daowen.com)