LRRK2 and Parkinson disease: Moreover, as in zebrafish LRRK2 loss-of-function-WD40, another PD model in which a significant rescue of motor impairment after L-Dopa treatment was obtained [49] we also tested L-Dopa at 0.01% (0.5 mM) concentration in the feeding diet of both L-/A+ and L+/A+ mutant flies.