Ari Siitonen

The paper identifies three H1 sub-haplotypes at the 17q21.31 locus associated with Parkinson's disease risk and links them to LRRC37A/2 expression in astrocytes.

This study investigates sex-specific genetic factors in Parkinson's disease using GWAS but finds no significant genetic differences between male and female cases.

Across 37,688 Parkinson's cases, 18,618 proxy-cases and 1.4M controls, 90 risk signals map to 78 loci (37 new); an 1805-variant polygenic score explains 26-36% of heritability.

The paper identifies genetic modifiers of risk and age at onset in GBA-associated Parkinson disease and Lewy body dementia using large case-control datasets and genome-wide association studies.

This study conducts a GWAS to identify genetic determinants of Parkinson's disease age of onset, finding associations with SNCA, TMEM175, and GBA, and highlighting alpha-synuclein's role in disease onset.