Cited by 78Genetic Associations and EpidemiologyGenetic Mapping and Diversity in Plants and AnimalsBioinformatics and Genomic Networks

Genome and epigenome wide studies of neurological protein biomarkers in the Lothian Birth Cohort 1936

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Hillary, Robert F., McCartney, Daniel L., Harris, Sarah E., Stevenson, Anna J., Seeboth, Anne, Zhang, Qian, Liewald, David C., Evans, Kathryn L. +7 more·2019·Nature Communications

Abstract

Although plasma proteins may serve as markers of neurological disease risk, the molecular mechanisms responsible for inter-individual variation in plasma protein levels are poorly understood. Therefore, we conduct genome- and epigenome-wide association studies on the levels of 92 neurological proteins to identify genetic and epigenetic loci associated with their plasma concentrations (n = 750 healthy older adults). We identify 41 independent genome-wide significant (P < 5.4 × 10−10) loci for 33 proteins and 26 epigenome-wide significant (P < 3.9 × 10−10) sites associated with the levels of 9 proteins. Using this information, we identify biological pathways in which putative neurological biomarkers are implicated (neurological, immunological and extracellular matrix metabolic pathways). We also observe causal relationships (by Mendelian randomisation analysis) between changes in gene expression (DRAXIN, MDGA1 and KYNU), or DNA methylation profiles (MATN3, MDGA1 and NEP), and altered plasma protein levels. Together, this may help inform causal relationships between biomarkers and neurological diseases.

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Authors
Hillary, R. F., McCartney, D. L., Harris, S. E., Stevenson, A. J., Seeboth, A., Zhang, Q., Liewald, D. C., Evans, K. L., Ritchie, C. W., Tucker-Drob, E. M., Wray, N. R., McRae, A. F., Visscher, P. M., Deary, I. J., & Marioni, R. E.
Affiliations
  • Institute of Genetics and Cancer (GB)
  • University of Edinburgh (GB)
  • The University of Queensland (AU)
Corresponding author
Marioni, Riccardo E.
Venue
Nature Communications
Published
2019-07-18
Volume
10
Issue
1
Pages
3160-3160
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2960298137
Cited by
78
References
49
Citations by year
2026: 8 · 2025: 10 · 2024: 21 · 2023: 11 · 2022: 10 · 2021: 9 · 2020: 7 · 2019: 2
FWCI
4.33
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Edinburgh Research Explorer (University of Edinburgh) (submittedVersion, cc-by)
Funders
Alzheimer&apos;s Research UK (ARUK-PG2017B-10)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Mapping and Diversity in Plants and Animals
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
Keywords
plasma protein biomarkers, epigenome-wide association study, genome-wide association study, DNA methylation, Lothian Birth Cohort 1936, older adults, Mendelian randomization, Draxin, MDGA1, kynureninase, matrilin-3, neps, extracellular matrix metabolism, immune pathways, gene expression, causal relationship
MeSH terms
Aged, Blood Proteins, Female, Humans, Male, Nervous System Diseases, Scotland, Biomarkers, Genome, Human, CpG Islands, DNA Methylation, Quantitative Trait Loci, Epigenesis, Genetic, Genome-Wide Association Study

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