Cited by 548Genomic variations and chromosomal abnormalitiesChromosomal and Genetic VariationsSingle-cell and spatial transcriptomics

The DOI matches its Crossref record; 64 of the 66 references it cites were found in a registry or an index.

Single-Neuron Sequencing Analysis of L1 Retrotransposition and Somatic Mutation in the Human Brain

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Abstract

A major unanswered question in neuroscience is whether there exists genomic variability between individual neurons of the brain, contributing to functional diversity or to an unexplained burden of neurological disease. To address this question, we developed a method to amplify genomes of single neurons from human brains. Because recent reports suggest frequent LINE-1 (L1) retrotransposition in human brains, we performed genome-wide L1 insertion profiling of 300 single neurons from cerebral cortex and caudate nucleus of three normal individuals, recovering >80% of germline insertions from single neurons. While we find somatic L1 insertions, we estimate <0.6 unique somatic insertions per neuron, and most neurons lack detectable somatic insertions, suggesting that L1 is not a major generator of neuronal diversity in cortex and caudate. We then genotyped single cortical cells to characterize the mosaicism of a somatic AKT3 mutation identified in a child with hemimegalencephaly. Single-neuron sequencing allows systematic assessment of genomic diversity in the human brain.

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Crossref · 10.1016/j.cell.2012.09.035

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Metadata

Authors
Evrony, G. D., Cai, X., Lee, E., Hills, L. B., Elhosary, P. C., Lehmann, H. S., Parker, J. J., Atabay, K. D., Gilmore, E. C., Poduri, A., Park, P. J., & Walsh, C. A.
Affiliations
  • Boston Children's Hospital (US)
  • Brigham and Women's Hospital (US)
  • Case Western Reserve University (US)
Corresponding author
Walsh, Christopher A.
Venue
Cell
Publisher
Elsevier BV
Published
2012-10
Volume
151
Issue
3
Pages
483-496
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2123490990
Cited by
548
References
66
Citations by year
2026: 16 · 2025: 26 · 2024: 23 · 2023: 28 · 2022: 29 · 2021: 36 · 2020: 45 · 2019: 41 · 2018: 45 · 2017: 56 · 2016: 49 · 2015: 55 · 2014: 48 · 2013: 47 · 2012: 4
FWCI
29.39
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Science Foundation
  • Howard Hughes Medical Institute
  • Manton Center for Orphan Disease Research, Boston Children's Hospital
  • National Institute of General Medical Sciences (T32GM007726, T32GM007753)
  • National Institute of Neurological Disorders and Stroke (R01NS035129, R01NS079277)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Chromosomal and Genetic Variations
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
Keywords
LINE-1 retrotransposition, somatic mutations, somatic mosaicism, hemimegalencephaly, cerebral cortex, caudate nucleus, single-cell genotyping
MeSH terms
Caudate Nucleus, Cerebral Cortex, Child, Chromosomes, Human, Pair 18, Humans, Male, Mosaicism, Mutation, Neurons, Trisomy, Long Interspersed Nucleotide Elements, Proto-Oncogene Proteins c-akt, Malformations of Cortical Development, Genome-Wide Association Study, Single-Cell Analysis

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