The LRRK2 G2019S mutation in a series of Argentinean patients with Parkinson's disease: Clinical and demographic characteristics

► The overall prevalence of LRRK2 G2019S mutation in this series was 5.45%. ► No R1441G substitution was identified in this series. ► PD in LRRK2 mutations carriers was indistinguishable for the idiopathic PD. ► Systemic imnuno-mediated disorders were identified in 2 of 3 G2019S carriers.