SNCA and Parkinson disease: DA.Vra1 congenic rats have also been found to be partially protected from dopaminergic neurodegeneration in toxin- and alpha-synuclein-induced models for Parkinson’s disease (Jewett et al., 2017; Jewett et al., 2018) and from neurodegeneration after traumatic brain injury (Al Nimer et al., 2013).