Journal
NATURE NEUROSCIENCE
Volume 21, Issue 12, Pages 1680-+Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41593-018-0281-3
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Funding
- NIMH [R01-MH080134, R01-MH104446, R01-MH036840, R01-MH110558, U01-MH108898]
- NIMH Autism Center of Excellence [P50-MH081755]
- Simons Foundation [176540]
- ERC [755816]
- Brain & Behavior Research Foundation (NARSAD)
- NFAR
- NIDCD [R01-DC016385]
- CDMRP [AR130409]
- NATIONAL INSTITUTE OF MENTAL HEALTH [U01MH108898, R01MH080134, R01MH104446, R01MH110558] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE ON DEAFNESS AND OTHER COMMUNICATION DISORDERS [R01DC016385] Funding Source: NIH RePORTER
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Heterogeneity in early language development in autism spectrum disorder (ASD) is clinically important and may reflect neurobiologically distinct subtypes. Here, we identified a large-scale association between multiple coordinated blood leukocyte gene coexpression modules and the multivariate functional neuroimaging (fMRI) response to speech. Gene coexpression modules associated with the multivariate fMRI response to speech were different for all pairwise comparisons between typically developing toddlers and toddlers with ASD and poor versus good early language outcome. Associated coexpression modules were enriched in genes that are broadly expressed in the brain and many other tissues. These coexpression modules were also enriched in ASD-associated, prenatal, human-specific, and language-relevant genes. This work highlights distinctive neurobiology in ASD subtypes with different early language outcomes that is present well before such outcomes are known. Associations between neuroimaging measures and gene expression levels in blood leukocytes may offer a unique in vivo window into identifying brain-relevant molecular mechanisms in ASD.
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