SH - SY5Y cells were
cultured in Dulbecco's modified Eagle's medium nutrient mixture F - 12 (DMEM / F12; Sigma), supplemented with 10 % FBS (Sigma), 100 nM l - glutamine (Sigma), 100 U / ml penicillin (Sigma), 10 µg / ml streptomycin (Sigma),
in a
humidified atmosphere containing 5 % CO2 at 37 °C.