A genome wide linkage disequilibrium screen in Parkinson's disease.

Abstract:

:Whole genome screening is increasingly used to identify genetic risk factors for complex diseases. In this study, a genome wide linkage disequilibrium (LD) screen was performed in a cohort of Parkinson's disease (PD) patients from the UK (n = 195) using pooled DNA to facilitate efficient genotyping of 5546 microsatellite markers. Allele frequencies were compared with those found in 2 previously typed disease free control populations, and the most interesting markers were selected for multiple repeat testing among the 3 pools. Markers were then individually genotyped in our original PD cohort and one of the original control groups, and independently in a second cohort of UK PD patients (n = 179), and additional controls. Using this 2-stage approach, we have been unable to find evidence for consistent association of any markers with sporadic PD. Subgroup analysis of the most promising marker shows some evidence that microsatellite marker D1S2886 is associated with familial forms of the disease.

journal_name

J Neurol

journal_title

Journal of neurology

authors

Foltynie T,Hicks A,Sawcer S,Jonasdottir A,Setakis E,Maranian M,Yeo T,Lewis S,Brayne C,Stefansson K,Compston A,Gulcher J,Barker RA

doi

10.1007/s00415-005-0686-2

keywords:

subject

Has Abstract

pub_date

2005-05-01 00:00:00

pages

597-602

issue

5

eissn

0340-5354

issn

1432-1459

journal_volume

252

pub_type

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