EPHX2 and Parkinson disease: In addition to these studies, several other studies have shown that the sEH expression positively correlates with phosphorylation of α-synuclein in the striatum, which further supports a role for sEH and Ep-PUFAs in the pathogenesis of neurological disorders such as PD and shows promising potential for sEH as a biomarker for PD diagnosis [234,235]