Title |
Genetic background modulates phenotypes of serotonin transporter Ala56 knock-in mice
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Published in |
Molecular Autism, October 2013
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DOI | 10.1186/2040-2392-4-35 |
Pubmed ID | |
Authors |
Travis M Kerr, Christopher L Muller, Mahfuzur Miah, Christopher S Jetter, Rita Pfeiffer, Charisma Shah, Nicole Baganz, George M Anderson, Jacqueline N Crawley, James S Sutcliffe, Randy D Blakely, Jeremy Veenstra-VanderWeele |
Abstract |
Previously, we identified multiple, rare serotonin (5-HT) transporter (SERT) variants in children with autism spectrum disorder (ASD). Although in our study the SERT Ala56 variant was over-transmitted to ASD probands, it was also seen in some unaffected individuals, suggesting that associated ASD risk is influenced by the epistatic effects of other genetic variation. Subsequently, we established that mice expressing the SERT Ala56 variant on a 129S6/S4 genetic background display multiple biochemical, physiological and behavioral changes, including hyperserotonemia, altered 5-HT receptor sensitivity, and altered social, communication, and repetitive behavior. Here we explore the effects of genetic background on SERT Ala56 knock-in phenotypes. |
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