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The Genetic Modifiers of Motor OnsetAge (GeM MOA) Website: Genome-wide Association Analysis for Genetic Modifiers of Huntington's Disease

Correia, Kevin, Harold, Denise, Kim, Kyung-Hee, Holmans, Peter Alan ORCID:, Jones, Lesley ORCID:, Orth, Michael, Myers, Richard H., Kwak, Seung, Wheeler, Vanessa C., MacDonald, Marcy E., Gusella, James F. and Lee, Jong-Min 2015. The Genetic Modifiers of Motor OnsetAge (GeM MOA) Website: Genome-wide Association Analysis for Genetic Modifiers of Huntington's Disease. Journal of Huntington's Disease 4 (3) , pp. 279-284. 10.3233/JHD-150169

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BACKGROUND: Huntington's disease (HD) is a dominantly inherited disease caused by a CAG expansion mutation in HTT. The age at onset of clinical symptoms is determined primarily by the length of this CAG expansion but is also influenced by other genetic and/or environmental factors. OBJECTIVE: Recently, through genome-wide association studies (GWAS) aimed at discovering genetic modifiers, we identified loci associated with age at onset of motor signs that are significant at the genome-wide level. However, many additional HD modifiers may exist but may not have achieved statistical significance due to limited power. METHODS: In order to disseminate broadly the entire GWAS results and make them available to complement alternative approaches, we have developed the internet website 'GeM MOA' where genetic association results can be searched by gene name, SNP ID, or genomic coordinates of a region of interest. RESULTS: Users of the Genetic Modifiers of Motor Onset Age (GeM MOA) site can therefore examine support for association between any gene region and age at onset of HD motor signs. GeM MOA's interactive interface also allows users to navigate the surrounding region and to obtain association p-values for individual SNPs. CONCLUSIONS: Our website conveys a comprehensive view of the genetic landscape of modifiers of HD from the existing GWAS, and will provide the means to evaluate the potential influence of genes of interest on the onset of HD. GeM MOA is freely available at

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Advanced Research Computing @ Cardiff (ARCCA)
MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG)
Subjects: R Medicine > R Medicine (General)
Publisher: IOS Press
ISSN: 1879-6397
Last Modified: 31 Oct 2022 10:29

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