GBA1 and Parkinson disease: Altered cristae morphology and increased mitochondrial diameter was also observed in iPSC-derived dopaminergic neurons from PD patients carrying heterozygous GBA1 mutations (N370S, L444P, and RecNcil), and were concomitant with dysregulated levels of mitochondrial shaping proteins Drp1, OPA1, and Mfn1 [68].