The MTT assay was carried out according to the manufacturer’s instructions. Finally, cell absorbance was evaluated at 570 nm by using a Countess Automated Cell Counter (Invitrogen, Carlsbad, Calif., USA).
The MTT assay wascarried out according to the manufacturer’s instructions. Finally,cell absorbance was evaluated at 570 nm by using a CountessAutomated Cell Counter (Invitrogen, Carlsbad, Calif., USA).