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PreprintCited by 104Genetic Associations and EpidemiologyGenetic Mapping and Diversity in Plants and AnimalsGenetic and phenotypic traits in livestock

The DOI matches its Crossref record; 89 of the 89 references it cites were found in a registry or an index.

Genetic control of the human brain proteome

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Abstract

Alteration of protein abundance and conformation are widely believed to be the hallmark of neurodegenerative diseases. Yet relatively little is known about the genetic variation that controls protein abundance in the healthy human brain. The genetic control of protein abundance is generally thought to parallel that of RNA expression, but there is little direct evidence to support this view. Here, we performed a large-scale protein quantitative trait locus (pQTL) analysis using single nucleotide variants (SNVs) from whole-genome sequencing and tandem mass spectrometry-based proteomic quantification of 12,691 unique proteins (7,901 after quality control) from the dorsolateral prefrontal cortex (dPFC) in 144 cognitively normal individuals. We identified 28,211 pQTLs that were significantly associated with the abundance of 864 proteins. These pQTLs were compared to dPFC expression quantitative trait loci (eQTL) in cognitive normal individuals (n=169; 81 had protein data) and a meta-analysis of dPFC eQTLs (n=1,433). We found that strong pQTLs are generally only weak eQTLs, and that the majority of strong eQTLs are not detectable pQTLs. These results suggest that the genetic control of mRNA and protein abundance may be substantially distinct and suggests inference concerning protein abundance made from mRNA in human brain should be treated with caution.

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Metadata

Authors
Robins, C., Wingo, A. P., Fan, W., Duong, D. M., Meigs, J., Gerasimov, E. S., Dammer, E. B., Cutler, D. J., Jager, P. L. D., Bennett, D. A., Lah, J. J., Levey, A. I., Seyfried, N. T., & Wingo, T. S.
Affiliations
  • Emory University (US)
  • Columbia University Irving Medical Center (US)
  • Rush University Medical Center (US)
Corresponding author
  • Seyfried, Nicholas T.
  • Wingo, Thomas S.
Venue
The American Journal of Human Genetics
Publisher
openRxiv
Published
2019-10-24
Volume
108
Issue
3
Pages
400-410
ISSN
0002-9297 (ISSN-L)
OpenAlex
W3128936277
Cited by
104
References
89
Citations by year
2026: 14 · 2025: 19 · 2024: 29 · 2023: 14 · 2022: 18 · 2021: 7 · 2020: 3
FWCI
10.03
Type
journal article
Language
en
Open access
Locations
  • The American Journal of Human Genetics (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • U.S. Department of Veterans Affairs (BX003853, I01BX003853)
  • Michael J. Fox Foundation for Parkinson's Research
  • Illinois Department of Public Health (R01AG017917, P30AG10161, R01AG15819, R01AG17917, R01AG30146, R01AG015819)
  • Arizona Department of Health Services
  • Translational Genomics Research Institute
  • Arizona Biomedical Research Commission
  • National Institutes of Health (T32 NS00748018, NS007480, AG057195, AG025688)
  • National Institute on Aging (R01AG017917, P30-AG 10161, R01AG056533, U01 AG32984, R01AG030146, AG057195, R01 AG30146, R01‐AG17917, R01 AG15819, R01-AG36836, AG 025688, U01AG057195, U01‐AG61356, R01AG036836, U01AG046152, R01AG036042, R01AG015819, R56AG060757, P30AG010161, U01AG032984, U01AG061357, U01AG061356, P30AG019610, R56AG062256, RF1AG051633, AG056533, R56AG062633, P50AG025688, U01‐AG46152, AG051633, P30AG072980, P30AG066511)
  • National Institute of Mental Health (U01MH115484)
  • National Institute of Neurological Disorders and Stroke (T32NS007480, U24NS072026)
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 › Genetics › Genetic and phenotypic traits in livestock
Keywords
protein quantitative trait loci, brain proteome, dorsolateral prefrontal cortex, postmortem brain, expression quantitative trait loci, non-synonymous variants, protein abundance, evolutionary constraints, protein-protein interaction
MeSH terms
Autopsy, Brain, Female, Gene Expression Regulation, Genotype, Humans, Male, RNA, Messenger, Genetic Variation, Proteome, Quantitative Trait Loci, Proteomics, Genome-Wide Association Study, Transcriptome

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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