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A systematic variant annotation approach for ranking genes associated with autism spectrum disorders.


ABSTRACT: The search for genetic factors underlying autism spectrum disorders (ASD) has led to the identification of hundreds of genes containing thousands of variants that differ in mode of inheritance, effect size, frequency, and function. A major challenge involves assessing the collective evidence in an unbiased, systematic manner for their functional relevance.Here, we describe a scoring algorithm for prioritization of candidate genes based on the cumulative strength of evidence for each ASD-associated variant cataloged in AutDB (also known as SFARI Gene). We retrieved data from 889 publications to generate a dataset of 2187 rare and 711 common variants distributed across 461 genes implicated in ASD. Each individual variant was manually annotated with multiple attributes extracted from the original report, followed by score assignment using a set of standardized parameters yielding a single score for each gene.There was a wide variation in scores; SHANK3, CHD8, and ADNP had distinctly higher scores than all other genes in the dataset. Our gene scores were significantly correlated with other recently published rankings of ASD genes (RSpearman?=?0.40-0.63; p

SUBMITTER: Larsen E 

PROVIDER: S-EPMC5075177 | biostudies-other | 2016

REPOSITORIES: biostudies-other

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A systematic variant annotation approach for ranking genes associated with autism spectrum disorders.

Larsen Eric E   Menashe Idan I   Ziats Mark N MN   Pereanu Wayne W   Packer Alan A   Banerjee-Basu Sharmila S  

Molecular autism 20161021


<h4>Background</h4>The search for genetic factors underlying autism spectrum disorders (ASD) has led to the identification of hundreds of genes containing thousands of variants that differ in mode of inheritance, effect size, frequency, and function. A major challenge involves assessing the collective evidence in an unbiased, systematic manner for their functional relevance.<h4>Methods</h4>Here, we describe a scoring algorithm for prioritization of candidate genes based on the cumulative strengt  ...[more]

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