Further, nEVs α‐syn was found to be higher in patients with PD versus PSP (SMD = 1.04; p = 0.0017; Figure 6A) and CBS (SMD = 0.87; p = 0.0020; Figure 6B), which is supported by the findings of individual studies.18, 19, 21. This evidence concerns the gene CBS and supranuclear palsy, progressive, 1.