ArticleParkinsonism & related disorders2021
Fine-mapping of the non-coding variation driving the Caucasian LRRK2 GWAS signal in Parkinson's disease.
Article in Parkinsonism & related disorders, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Coding and Noncoding Variation in LRRK2 and Parkinson's Disease Risk.Movement disorders : official journal of the Movement Disorder Society · 2022Pooled it
- Impact of common variants on brain gene expression from RNA to protein to schizophrenia risk.Nature communications · 2025Article
- LRRK2 in Parkinson's disease: upstream regulation and therapeutic targeting.Trends in molecular medicine · 2024Review
- Article
- Regulation of LRRK2 mRNA stability by ATIC and its substrate AICAR through ARE-mediated mRNA decay in Parkinson's disease.The EMBO journal · 2023Article
- Review
Corrections and comments
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Authors and funding
14 authors.
Funding
Abstract
introductionGenome-wide association studies (GWAS) have confirmed the leucine-rich repeat kinase 2 (LRRK2) gene as a susceptibility locus for idiopathic Parkinson's disease (PD) in Caucasians. Though the rs1491942 and rs76904798 variants have shown the strongest associations, the causal variant(s) remains unresolved. Therefore, the aim of this study was to identify variants that may be driving the LRRK2 GWAS signal by sequencing the entire LRRK2 gene in Caucasian PD patients and controls.
methodsA discovery series (287 PD patients, 294 controls) and replication series (362 PD patients, 168 controls) were included. The entire LRRK2 gene as well as 10 Kb upstream/downstream was sequenced. Candidate potential causal variants were considered to be those that (a) were in at least weak linkage disequilibrium with the two GWAS-nominated variants (rs1491942 and rs76904798), and (b) displayed an association odds ratio (OR) that is stronger than the two GWAS variants.
resultsThirty-four candidate variants (all intronic/intergenic) that may drive the LRRK2 PD GWAS signal were identified in the discovery series. However, examination of the replication series for these variants did not reveal any with a consistently stronger OR than both PD GWAS variants. Evaluation of public databases to determine which candidate variants are most likely to have a direct functional effect on LRRK2 expression was inconclusive.
conclusionThough our findings provide novel insights into the LRRK2 GWAS association, a clear causal variant was not identified. The identified candidate variants can form the basis for future experiments and functional studies that can more definitively assess causal LRRK2 variants.
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