Lim, Elaine T, Uddin, Mohammed, De Rubeis, Silvia, Chan, Yingleong, Kamumbu, Anne S., Zhang, Xiaochang, D'Gama, Alissa M., Kim, Sonia N., Hill, Robert Sean, Goldberg, Arthur P., Poultney, Christopher, Minshew, Nancy J., Kushima, Itaru, Aleksic, Branko, Ozaki, Norio, Parellada, Mara, Arango, Celso, Penzol, Maria J., Carracedo, Angel, Kolevzon, Alexander, Hultman, Christina M., Weiss, Lauren A., Fromer, Menachem, Chiocchetti, Andreas G., Freitag, Christine M., Church, George M., Scherer, Stephen W., Buxbaum, Joseph D., Walsh, Christopher A. and Anney, Richard ![]() |
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Abstract
We systematically analyzed postzygotic mutations (PZMs) in whole-exome sequences from the largest collection of trios (5,947) with autism spectrum disorder (ASD) available, including 282 unpublished trios, and performed resequencing using multiple independent technologies. We identified 7.5% of de novo mutations as PZMs, 83.3% of which were not described in previous studies. Damaging, nonsynonymous PZMs within critical exons of prenatally expressed genes were more common in ASD probands than controls (P < 1 × 10−6), and genes carrying these PZMs were enriched for expression in the amygdala (P = 5.4 × 10−3). Two genes (KLF16 and MSANTD2) were significantly enriched for PZMs genome-wide, and other PZMs involved genes (SCN2A, HNRNPU and SMARCA4) whose mutation is known to cause ASD or other neurodevelopmental disorders. PZMs constitute a significant proportion of de novo mutations and contribute importantly to ASD risk.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Medicine |
Additional Information: | Richard Anney is a member of the Autism Sequencing Consortium |
Publisher: | Nature Publishing Group |
ISSN: | 1097-6256 |
Date of First Compliant Deposit: | 4 January 2019 |
Date of Acceptance: | 20 May 2017 |
Last Modified: | 16 Nov 2024 06:45 |
URI: | https://orca.cardiff.ac.uk/id/eprint/118087 |
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