RAB39B and Parkinson disease: These include VPS35, CHCHD2 and DNAJC13, associated with the development of the familial autosomal dominant form of the PD (Vilariño-Güell et al., 2011; Zimprich et al., 2011), DNAJC6, SYNJ1, VPS13C and PTRHD1 involved in the development of autosomal recessive form of PD (Edvardson et al., 2012; Lesage et al., 2016; Jansen et al., 2017; Khodadadi et al., 2017), and RAB39B with X-linked inheritance (Wilson et al., 2014).