Association of the MAPT locus with Parkinson's disease

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Abstract

Background and purpose: Whilst an association between the tau gene (MAPT)-containing H1 haplotype and supranuclear gaze palsy (PSP) has long been recognized, the effect of H1 on risk for Parkinson's disease (PD) has remained more contentious. Methods: Herein, we examined the association of H1 and PD in three Caucasian PD patient-control series from Ireland, Norway, and the US (combined: n = 2619), by genotyping two H1/H2 single nucleotide polymorphisms (SNPs) in MAPT (rs1052553) and in the Saitohin gene (rs62063857) and one H1-specific SNP (rs242557). Results: We identified a significant association between H1/H2 and risk of PD (rs1052553 OR: 1.43, CI: 1.23-1.64; rs62063857 OR: 1.45, CI: 1.27-1.67), but no effect of the H1-specific SNP rs242557 (OR: 0.92, CI: 0.82-1.03). Conclusions: Our findings show that the H1 haplotype is a significant risk factor for PD. However, one H1-specific SNP (rs242557) previously implicated in PSP did not alter the risk of PD, indicating that distinct H1 sub-haplotypes probably drive the associations with PD and PSP. © 2009 EFNS.

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Wider, C., Vilariño-Güell, C., Jasinska-Myga, B., Heckman, M. G., Soto-Ortolaza, A. I., Cobb, S. A., … Ross, O. A. (2010). Association of the MAPT locus with Parkinson’s disease. European Journal of Neurology, 17(3), 483–486. https://doi.org/10.1111/j.1468-1331.2009.02847.x

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