PARK7 and Parkinson disease: A similar pattern was observed in PD cases, with DJ-1 mitochondrial expression increasing from the somata (M = 62.622 ± 8.128, n = 10) and proximal neurites (M = 63.522 ± 5.920, n = 9) to distal neurites (Put; M = 104.018 ± 10.836, n = 10) (Fig. 5A).