LRRK2 and Parkinson disease: Post-mortem analysis of Parkinson’s disease brains carrying Y1699C, G2019S, or I2020T PARK8 mutations have been reported to display “tau pathology” in a number of cases (Zimprich et al., 2004; Khan et al., 2005; Rajput et al., 2006; Ujiie et al., 2012).