Cited by 136Parkinson's Disease Mechanisms and TreatmentsNuclear Receptors and SignalingSingle-cell and spatial transcriptomics

Single-cell RNA-seq of mouse dopaminergic neurons informs candidate gene selection for sporadic Parkinson disease

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Hook, Paul W., McClymont, Sarah A., Cannon, Gabrielle H., Law, William D., Morton, A. Jennifer, Goff, Loyal A., McCallion, Andrew S.·2018·The American Journal of Human Genetics

Published version of a preprint

Abstract

Genetic variation modulating risk of sporadic Parkinson disease (PD) has been primarily explored through genome-wide association studies (GWASs). However, like many other common genetic diseases, the impacted genes remain largely unknown. Here, we used single-cell RNA-seq to characterize dopaminergic (DA) neuron populations in the mouse brain at embryonic and early postnatal time points. These data facilitated unbiased identification of DA neuron subpopulations through their unique transcriptional profiles, including a postnatal neuroblast population and substantia nigra (SN) DA neurons. We use these population-specific data to develop a scoring system to prioritize candidate genes in all 49 GWAS intervals implicated in PD risk, including genes with known PD associations and many with extensive supporting literature. As proof of principle, we confirm that the nigrostriatal pathway is compromised in Cplx1-null mice. Ultimately, this systematic approach establishes biologically pertinent candidates and testable hypotheses for sporadic PD, informing a new era of PD genetic research.

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  1. [4]4. mitochondrial homeostasis and neoplastic transformation. Proc. Natl. Acad. Sci. U. S. A. 99, 1028

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Authors
Hook, P. W., McClymont, S. A., Cannon, G. H., Law, W. D., Morton, A. J., Goff, L. A., & McCallion, A. S.
Affiliations
  • Johns Hopkins University (US)
  • University of Cambridge (GB)
Corresponding author
  • Goff, Loyal A.
  • McCallion, Andrew S.
Venue
The American Journal of Human Genetics
Publisher
Elsevier BV
Published
2018-03
Volume
102
Issue
3
Pages
427-446
ISSN
0002-9297 (ISSN-L)
OpenAlex
W2623843598
Cited by
136
References
108
Citations by year
2026: 6 · 2025: 11 · 2024: 25 · 2023: 18 · 2022: 19 · 2021: 20 · 2020: 18 · 2019: 11 · 2018: 8
FWCI
9.66
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)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Apollo (University of Cambridge) (submittedVersion)
  • Apollo
Funders
National Institutes of Health (R01 NS62972, MH106522)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
Keywords
sporadic Parkinson disease, dopaminergic neurons, substantia nigra, nigrostriatal pathway, candidate gene prioritization, single-cell RNA sequencing, mouse embryo development, genetic susceptibility loci
MeSH terms
Animals, Cell Separation, Genetic Markers, Parkinson Disease, Substantia Nigra, Sequence Analysis, RNA, Mice, Knockout, Gene Regulatory Networks, Genome-Wide Association Study, Genetic Loci, Genetic Association Studies, Single-Cell Analysis, Dopaminergic Neurons

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