Cited by 659Genetic Neurodegenerative DiseasesGenetic factors in colorectal cancerHereditary Neurological Disorders

Identification of Genetic Factors that Modify Clinical Onset of Huntington’s Disease

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Lee, Jong-Min, Wheeler, Vanessa C., Chao, Michael J., Vonsattel, Jean Paul G., Pinto, Ricardo Mouro, Lucente, Diane, Abu-Elneel, Kawther, Ramos, Eliana Marisa +19 more·2015·Cell

Abstract

As a Mendelian neurodegenerative disorder, the genetic risk of Huntington's disease (HD) is conferred entirely by an HTT CAG repeat expansion whose length is the primary determinant of the rate of pathogenesis leading to disease onset. To investigate the pathogenic process that precedes disease, we used genome-wide association (GWA) analysis to identify loci harboring genetic variations that alter the age at neurological onset of HD. A chromosome 15 locus displays two independent effects that accelerate or delay onset by 6.1 years and 1.4 years, respectively, whereas a chromosome 8 locus hastens onset by 1.6 years. Association at MLH1 and pathway analysis of the full GWA results support a role for DNA handling and repair mechanisms in altering the course of HD. Our findings demonstrate that HD disease modification in humans occurs in nature and offer a genetic route to identifying in-human validated therapeutic targets in this and other Mendelian disorders.

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Authors
Lee, J.-M., Wheeler, V. C., Chao, M. J., Vonsattel, J. P. G., Pinto, R. M., Lucente, D., Abu-Elneel, K., Ramos, E. M., Mysore, J. S., Gillis, T., MacDonald, M. E., Gusella, J. F., Harold, D., Stone, T. C., Escott-Price, V., Han, J., Vedernikov, A., Holmans, P., Jones, L., Kwak, S., Mahmoudi, M., Orth, M., Landwehrmeyer, G. B., Paulsen, J. S., Dorsey, E. R., Shoulson, I., & Myers, R. H.
Venue
Cell
Publisher
Elsevier BV
Published
2015-07
Volume
162
Issue
3
Pages
516-526
ISSN
0092-8674 (ISSN-L)
OpenAlex
W1895398290
Cited by
655
References
51
Citations by year
2026: 50 · 2025: 58 · 2024: 74 · 2023: 45 · 2022: 72 · 2021: 64 · 2020: 64 · 2019: 58 · 2018: 71 · 2017: 52 · 2016: 38 · 2015: 7
FWCI
26.00
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • ORCA Online Research @Cardiff (Cardiff University) (submittedVersion)
Funders
  • CHDI Foundation
  • National Institutes of Health
  • Medical Research Council (MR/L023784/2, MR/L012936/1, MR/L010305/1)
  • National Human Genome Research Institute (X01HG006074, R01HG002449)
  • National Institute of Neurological Disorders and Stroke (R01NS040068, R01NS091161, U01NS082079, R01NS073947, P50NS016367)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Genetic Neurodegenerative Diseases
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Genetic factors in colorectal cancer
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Hereditary Neurological Disorders
Keywords
Huntington's disease, age of onset, genetic modifiers, MLH1, DNA repair, therapeutic target
MeSH terms
MutL Protein Homolog 1, Huntingtin Protein, Chromosomes, Human, Pair 15, Chromosomes, Human, Pair 8, Humans, Huntington Disease, Nerve Tissue Proteins, Nuclear Proteins, Age of Onset, Trinucleotide Repeats, Adaptor Proteins, Signal Transducing, Genome-Wide Association Study, Genes, Modifier

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