
Keywords: CNS, central nervous system; DHBA, 3,4-dihydroxybenzylamine; DMEM, Dulbecco’s modified Eagle’s medium; EDTA, ethylenediaminetetraacetic acid; FBS, fetal bovine serum; HPLC, high-performance liquid chromatography; MTT, 3-(4,5-dimethylthiazol-2-yl)-2,5-diph