Abstract
To examine the interactive effects of two proposed risk factors which may contribute to symptom severity of Autism Spectrum Disorder (ASD): prenatal antidepressant exposure and likely gene-disrupting (LGD) mutations. Participants included 2748 individuals with ASD from the Simons Simplex Collection. We examined the effects of prenatal antidepressant exposure, maternal depression, presence of an LGD mutation and their interaction on ASD severity. We found a significant interactive effect between antidepressant exposure and the presence of an LGD mutation on ASD severity in the ADOS and ADI-R verbal communication domains. We consider a “two-hit” model in which one variable lays the foundation for an initial risk which is compounded by a second variable.
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08 September 2017
An erratum to this article has been published.
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Acknowledgments
We are grateful to all of the families at the participating Simons Simplex Collection (SSC) sites, as well as the principal investigators (A. Beaudet, R. Bernier, J. Constantino, E. Cook, E. Fombonne, D. Geschwind, R. Goin-Kochel, E. Hanson, D. Grice, A. Klin, D. Ledbetter, C. Lord, C. Martin, D. Martin, R. Maxim, J. Miles, O. Ousley, K. Pelphrey, B. Peterson, J. Piggot, C. Saulnier, M. State, W. Stone, J. Sutcliffe, C. Walsh, Z. Warren, E. Wijsman). We appreciate obtaining access to phenotypic data on SFARI Base.
Author contributions
SA participated in study design and coordination, and drafted the manuscript; SS participated in the interpretation of the data and the early manuscript drafts; CH performed the statistical analysis; RB conceived of the study, and participated in its design and coordination. All authors read and approved the final manuscript.
Funding
This work was supported by a grant from the Simons Foundation (SFARI #89368) and from the National Institute of Mental Health (#01MH100047 to R.B.). This study was funded by the Medical Student Research Training Program (MSRTP), University of Washington School of Medicine, Seattle, WA. The funding source did not participate in any part of the performance of the study.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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Informed consent was obtained from all individual participants included in the study.
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The original version of this article was revised: The spelling of the co-author Sarah Schoenbrun was misspelled. This has been corrected in this version.
Approved researchers can obtain the SSC population dataset described in this study by applying at https://base.sfari.org.
An erratum to this article is available at https://doi.org/10.1007/s10803-017-3301-3.
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Ackerman, S., Schoenbrun, S., Hudac, C. et al. Interactive Effects of Prenatal Antidepressant Exposure and Likely Gene Disrupting Mutations on the Severity of Autism Spectrum Disorder. J Autism Dev Disord 47, 3489–3496 (2017). https://doi.org/10.1007/s10803-017-3246-6
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DOI: https://doi.org/10.1007/s10803-017-3246-6