Journal Article DZNE-2026-00347

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Association of LRRK2 p.A419V with Parkinson’s Disease in East Asians and analysis of age at onset

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2026
Springer Nature [London]

npj Parkinson's Disease 12(1), 51 () [10.1038/s41531-026-01265-3]

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Abstract: Common and rare variants in LRRK2 influence Parkinson’s disease (PD) risk across diverse populations, and in this study, the rare p.A419V variant was investigated across multiple ancestry cohorts comprising over 200,000 PD cases and controls. In cases of East Asian (EAS) ancestry, p.A419V was significantly associated with increased risk of PD (OR = 2.9; 95% CI: 1.66–5.10; p = 0.0002), and was not in linkage disequilibrium with other LRRK2 coding variants. The variant was significantly associated with a lower age at PD onset in the study cohort, while a meta-analysis of the EAS cases indicated a similar, albeit non-significant trend. LRRK2 protein modelling prediction indicated that binding sites for RAB8A, RAB29 and RAB32 were in close proximity to the p.A419V variant within the ARM domain. Together, these findings confirm the p.A419V as a significant PD risk factor in EAS populations, as well as highlight disease-relevant variants in the ARM domain and the link with LRRK2-RAB signaling.

Classification:

Contributing Institute(s):
  1. Parkinson Genetics (AG Gasser)
  2. Core ICRU (ICRU)
Research Program(s):
  1. 353 - Clinical and Health Care Research (POF4-353) (POF4-353)
  2. 899 - ohne Topic (POF4-899) (POF4-899)

Database coverage:
Medline ; Creative Commons Attribution CC BY (No Version) ; DOAJ ; Article Processing Charges ; Clarivate Analytics Master Journal List ; Current Contents - Life Sciences ; DOAJ Seal ; Essential Science Indicators ; Fees ; IF >= 5 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection
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Document types > Articles > Journal Article
Institute Collections > TÜ DZNE > TÜ DZNE-AG Gasser
Institute Collections > TÜ DZNE > TÜ DZNE-ICRU
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 Record created 2026-04-01, last modified 2026-04-01


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