LRRK2 and Parkinson disease: Induced pluripotent stem cell (iPSC) lines were derived from three PD patients carrying a LRRK2-G2019S heterozygous mutation, and three healthy control individuals (Materials and Methods), from the Oxford Parkinson’s Disease Centre (OPDC) Discovery Cohort (Table 1) (Materials and Methods, Supplementary Material, Fig. S1, Notes S1 and S2).