Males C57BL/6J wild type (WT) and C57BL/6J LRRK2*G2019S 2AMjff/J transgenic (TG-G2019S) (stock 018785) mice purchased from Jackson Laboratory (Bar Harbor, ME, USA) at 8-12 weeks of age were housed at the animal facilities unit (C.A.Pi.R. Via Santa Sofia 97, Catania 13/2017-UT) and maintained on a 12:12-h light/dark cycle with ad libitum food and water.