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Transcriptomic and cellular decoding of regional brain vulnerability to neurogenetic disorders
Journal article   Open access   Peer reviewed

Transcriptomic and cellular decoding of regional brain vulnerability to neurogenetic disorders

Jakob Seidlitz, Ajay Nadig, Siyuan Liu, Richard A I Bethlehem, Petra E Vértes, Sarah E Morgan, František Váša, Rafael Romero-Garcia, François M Lalonde, Liv S Clasen, …
Nature communications, v 11(1), pp 3358-3358
03 Jul 2020
PMID: 32620757
url
https://doi.org/10.1038/s41467-020-17051-5View
Published, Version of Record (VoR)CC BY V4.0 Open

Abstract

Adolescent Adult Brain Mapping Cerebral Cortex - cytology Cerebral Cortex - diagnostic imaging Cerebral Cortex - growth & development Cerebral Cortex - pathology Child Cohort Studies DNA Copy Number Variations Female Gene Expression Profiling Genetic Predisposition to Disease Genome, Human Humans Magnetic Resonance Imaging Male Middle Aged Neurodevelopmental Disorders - diagnosis Neurodevelopmental Disorders - genetics Neurodevelopmental Disorders - pathology Neuroimaging Neurons - metabolism Neurons - pathology Oligodendroglia - metabolism Oligodendroglia - pathology Spatial Analysis Young Adult ESI Highly Cited Paper (Incites)
Neurodevelopmental disorders have a heritable component and are associated with region specific alterations in brain anatomy. However, it is unclear how genetic risks for neurodevelopmental disorders are translated into spatially patterned brain vulnerabilities. Here, we integrated cortical neuroimaging data from patients with neurodevelopmental disorders caused by genomic copy number variations (CNVs) and gene expression data from healthy subjects. For each of the six investigated disorders, we show that spatial patterns of cortical anatomy changes in youth are correlated with cortical spatial expression of CNV genes in neurotypical adults. By transforming normative bulk-tissue cortical expression data into cell-type expression maps, we link anatomical change maps in each analysed disorder to specific cell classes as well as the CNV-region genes they express. Our findings reveal organizing principles that regulate the mapping of genetic risks onto regional brain changes in neurogenetic disorders. Our findings will enable screening for candidate molecular mechanisms from readily available neuroimaging data.

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Domestic collaboration
International collaboration
Web of Science research areas
Neurosciences
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