Evidence suggests that in Parkinson’s disease, a breakdown in lysosomal function allows lipids to build up within cells. Variants of the GBA1 gene, the strongest genetic risk factor for sporadic PD, ...

Alzforum webpages for each DIAN-TU-eligible variant now state “DIAN-TU eligibility: Yes” near the top of the page and an explanation under the Pathogenicity section (see, for example, PSEN1 M146V ).