Testing association between LRRK2 and Parkinson’s disease and investigating linkage disequilibrium

Background: We and others recently identified the gene underlying PARK8 linked Parkinson’s disease (PD). This gene, LRRK2, contains mutations that cause an autosomal dominant PD, including a mutation, G2019S, which is the most common PD causing mutation identified to date. Common genetic variability...

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Veröffentlicht in:Journal of medical genetics 2006-02, Vol.43 (2), p.e09-e09
Hauptverfasser: Paisán-Ruíz, C, Evans, E W, Jain, S, Xiromerisiou, G, Gibbs, J R, Eerola, J, Gourbali, V, Hellström, O, Duckworth, J, Papadimitriou, A, Tienari, P J, Hadjigeorgiou, G M, Singleton, A B
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container_issue 2
container_start_page e09
container_title Journal of medical genetics
container_volume 43
creator Paisán-Ruíz, C
Evans, E W
Jain, S
Xiromerisiou, G
Gibbs, J R
Eerola, J
Gourbali, V
Hellström, O
Duckworth, J
Papadimitriou, A
Tienari, P J
Hadjigeorgiou, G M
Singleton, A B
description Background: We and others recently identified the gene underlying PARK8 linked Parkinson’s disease (PD). This gene, LRRK2, contains mutations that cause an autosomal dominant PD, including a mutation, G2019S, which is the most common PD causing mutation identified to date. Common genetic variability in genes that contain PD causing mutations has previously been implicated as a risk factor for typical sporadic disease. Methods: We undertook a case-control association analysis of LRRK2 in two independent European PD cohorts using 31 tagging single nucleotide polymorphisms (tSNPs) and five potentially functional SNPs. To assess the structure of this locus in different populations, we have performed linkage disequilibrium (LD) analysis using these variants in a human diversity panel. Results: We show that common genetic variability in LRRK2 is not associated with risk for PD in the European populations studied here. We also show inter-population variability in the strength of LD across this locus. Conclusions: To our knowledge this is the first comprehensive analysis of common variability within LRRK2 as a risk factor for PD.
doi_str_mv 10.1136/jmg.2005.036889
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This gene, LRRK2, contains mutations that cause an autosomal dominant PD, including a mutation, G2019S, which is the most common PD causing mutation identified to date. Common genetic variability in genes that contain PD causing mutations has previously been implicated as a risk factor for typical sporadic disease. Methods: We undertook a case-control association analysis of LRRK2 in two independent European PD cohorts using 31 tagging single nucleotide polymorphisms (tSNPs) and five potentially functional SNPs. To assess the structure of this locus in different populations, we have performed linkage disequilibrium (LD) analysis using these variants in a human diversity panel. Results: We show that common genetic variability in LRRK2 is not associated with risk for PD in the European populations studied here. We also show inter-population variability in the strength of LD across this locus. 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This gene, LRRK2, contains mutations that cause an autosomal dominant PD, including a mutation, G2019S, which is the most common PD causing mutation identified to date. Common genetic variability in genes that contain PD causing mutations has previously been implicated as a risk factor for typical sporadic disease. Methods: We undertook a case-control association analysis of LRRK2 in two independent European PD cohorts using 31 tagging single nucleotide polymorphisms (tSNPs) and five potentially functional SNPs. To assess the structure of this locus in different populations, we have performed linkage disequilibrium (LD) analysis using these variants in a human diversity panel. Results: We show that common genetic variability in LRRK2 is not associated with risk for PD in the European populations studied here. We also show inter-population variability in the strength of LD across this locus. 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This gene, LRRK2, contains mutations that cause an autosomal dominant PD, including a mutation, G2019S, which is the most common PD causing mutation identified to date. Common genetic variability in genes that contain PD causing mutations has previously been implicated as a risk factor for typical sporadic disease. Methods: We undertook a case-control association analysis of LRRK2 in two independent European PD cohorts using 31 tagging single nucleotide polymorphisms (tSNPs) and five potentially functional SNPs. To assess the structure of this locus in different populations, we have performed linkage disequilibrium (LD) analysis using these variants in a human diversity panel. Results: We show that common genetic variability in LRRK2 is not associated with risk for PD in the European populations studied here. We also show inter-population variability in the strength of LD across this locus. 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source MEDLINE; BMJ Journals - NESLi2; EZB-FREE-00999 freely available EZB journals; PubMed Central
subjects Adult
Age
Aged
dardarin
Disequilibrium
Electronic Letter
Female
Genes
Genetic Markers
Genetic Predisposition to Disease - genetics
Haplotypes
Humans
Kinases
Leucine-Rich Repeat Serine-Threonine Protein Kinase-2
linkage disequilibrium
Linkage Disequilibrium - genetics
LRRK2
Male
Middle Aged
Multiculturalism & pluralism
Mutation
Otolaryngology
Parkinson Disease - genetics
Parkinson's disease
Polymorphism, Single Nucleotide - genetics
Population
Protein-Serine-Threonine Kinases - genetics
single nucleotide polymorphism
SNP
Studies
tagging SNP
tSNP
title Testing association between LRRK2 and Parkinson’s disease and investigating linkage disequilibrium
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