MAPT and Parkinson disease: One could postulate that Lewy body pathology with aSyn pathology is not primarily responsible for nigral degeneration in PD (Muller et al. 2021; Espay, 2022) or that the enrichment of “pathologic” proteins as aSyn, tau or β-amyloid are not specific (Müller et al. 2021; Espay 2022).