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Interagency Autism Coordinating Committee (IACC)
Autism Research Database
Office of Autism Research Coordination (OARC)
 
Project Element Element Description

Project Title

Project Title

Interactome perturbation by large-scale mutagenesis to find risk variants - Project 2

Principal Investigator

Principal Investigator

Roeder, Kathryn

Description

Description

The hallmarks of autism spectrum disorder (ASD) are deficits in social communication and interaction, but a coherent underlying etiological mechanism for ASD is yet unknown. New sequencing technologies have revealed thousands of unique mutations in individuals with ASD, but not in their unaffected parents. Dubbed de novo mutations, the majority alter only a single amino acid in the protein the gene encodes. Some of these mutations impact protein function; many others do not. Currently there are no good methods to study the functional relevance of this large set of de novo missense mutations, and for this reason they have yet to reveal much about the underlying etiology of ASD. The proposed project brings together research groups with complementary skills to tackle this problem. Haiyuan Yu and his team have recently developed a novel high-throughput interactome-scanning pipeline integrating the green fluorescent protein (GFP) and yeast two-hybrid (Y2H) assays for efficient evaluation of the effects of thousands of missense mutations on protein-protein interactions, which are often the key function of proteins1. Indeed, previous studies have shown that dissecting such effects can yield great insight into disease mechanisms, as well as identify genes involved in risk. Bernie Devlin and Kathryn Roeder’s groups have a long history of developing innovative statistical frameworks to interpret genetic data, including tools to sift through de novo mutations to pinpoint genes involved in ASD risk2, 3. The researchers propose to examine the effects of approximately 1,500 de novo missense mutations found in individuals with ASD, selected based on their likelihood to affect ASD risk. They will be queried for their impact on roughly 7,500 protein-protein interactions. Based on these experimental results and other available information, the research team will develop an integrated statistical framework to identify additional risk genes and their interrelationships. This work represents an experimentally and computationally integrated pipeline that should increase both the number of risk genes identified and our knowledge on how they modulate ASD risk. References: 1. Wei X. et al. PLoS Genet. 10, e1004819 (2014) PubMed 2. He X. et al. PLoS Genet. 9, e1003671 (2013) PubMed 3. Liu L. et al. Mol. Autism 5, 22 (2014) PubMed

Funder

Funder

Simons Foundation

Fiscal Year Funding

Fiscal Year Funding

29831

Current Award Period

Current Award Period

2015-2017

Strategic Plan Question

Strategic Plan Question

Question 3: What Caused This To Happen And Can This Be Prevented?

Strategic Plan Objective

Strategic Plan Objective

3O. Not specific to Question 3 objectives

Project Link

Project Link

Interactome perturbation by large-scale mutagenesis to find risk variants - Project 2 (External web link)

Institution

Institution

Carnegie Mellon University

State/Country

State/Country

Pennsylvania

Project Number

Project Number

367561KR

Federal or Private?

Federal or Private?

Private

Received ARRA Funding?

Received ARRA Funding?

No

History/Related Projects

History/Related Projects

N/A

 
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