"Study created a conditional LRRK2 G2019S (LRRK2 GS) mutant and a functionally negative control LRRK2 G2019S/D1994A (LRRK2 GS/DA). Overexpression of LRRK2 GS in mouse forebrain induced behavioral deficits and alpha-synuclein pathology in a kinase-dependent manner."xsd:string