Autism spectrum disorders (ASD) are a group of genetic disorders often overlapping with other neurological conditions. We previously described abnormalities in the branched-chain amino acid (BCAA) catabolic pathway as a cause of ASD. Here, we show that the solute carrier transporter 7a5 (SLC7A5), a large neutral amino acid transporter localized at the blood brain barrier (BBB), has an essential role in maintaining normal levels of brain BCAAs. In mice, deletion of Slc7a5 from the endothelial cells of the BBB leads to atypical brain amino acid profile, abnormal mRNA translation, and severe neurological abnormalities. Furthermore, we identified several patients with autistic traits and motor delay carrying deleterious homozygous mutations in the SLC7A5 gene. Finally, we demonstrate that BCAA intracerebroventricular administration ameliorates abnormal behaviors in adult mutant mice. Our data elucidate a neurological syndrome defined by SLC7A5 mutations and support an essential role for the BCAA in human brain function.
Pubmed ID: 27912058 RIS Download
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A web-based approach of homozygosity mapping that can handle tens of thousands markers. User can upload their own SNP genotype files to the database. Intuitive graphic interface is provided to view the homozygous stretches, with the ability of zooming into single chromosomes or user-defined chromosome regions. The underlying genotypes in all samples are displayed. The software is also integrated with our candidate gene search engine, GeneDistiller, so that users can interactively determine the most promising gene. (entry from Genetic Analysis Software)
View all literature mentionsA software package to analyze next-generation resequencing data. The toolkit offers a wide variety of tools, with a primary focus on variant discovery and genotyping as well as strong emphasis on data quality assurance. Its robust architecture, powerful processing engine and high-performance computing features make it capable of taking on projects of any size. This software library makes writing efficient analysis tools using next-generation sequencing data very easy, and second it's a suite of tools for working with human medical resequencing projects such as 1000 Genomes and The Cancer Genome Atlas. These tools include things like a depth of coverage analyzers, a quality score recalibrator, a SNP/indel caller and a local realigner. (entry from Genetic Analysis Software)
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View all literature mentionsThis polyclonal targets Human Calretinin
View all literature mentionsThis polyclonal targets Vesicular GABA Transporter (VGAT)
View all literature mentionsThis unknown targets Somatostatin-14
View all literature mentionsThis monoclonal targets p70 S6 Kinase, phospho (Thr389)
View all literature mentionsThis monoclonal targets Ctip2
View all literature mentionsThis monoclonal targets p70 S6 Kinase
View all literature mentionsThis polyclonal targets Parvalbumin
View all literature mentionsThis monoclonal targets eIF2alpha (Ser51)
View all literature mentionsThis monoclonal targets Murine Panendothelial Cell Ag
View all literature mentionsThis polyclonal targets eIF2 alpha
View all literature mentionsThis polyclonal targets Neuroligin 2
View all literature mentionsThis polyclonal targets Phospho-eIF4E (Ser209)
View all literature mentionsThis monoclonal targets eIF4E
View all literature mentionsThis monoclonal targets 4E-BP1, phospho (Thr37 / Thr46)
View all literature mentionsThis polyclonal targets Human Calretinin
View all literature mentionsThis unknown targets Somatostatin-14
View all literature mentionsThis monoclonal targets Ctip2
View all literature mentionsThis polyclonal targets Parvalbumin
View all literature mentionsThis monoclonal targets Murine Panendothelial Cell Ag
View all literature mentionsThis polyclonal targets Neuroligin 2
View all literature mentionsThis polyclonal targets Vesicular GABA Transporter (VGAT)
View all literature mentionsThis monoclonal targets p70 S6 Kinase
View all literature mentionsThis monoclonal targets p70 S6 Kinase, phospho (Thr389)
View all literature mentionsThis monoclonal targets eIF2alpha (Ser51)
View all literature mentionsThis polyclonal targets eIF2 alpha
View all literature mentionsThis polyclonal targets Phospho-eIF4E (Ser209)
View all literature mentionsThis monoclonal targets 4E-BP1, phospho (Thr37 / Thr46)
View all literature mentionsThis monoclonal targets eIF4E
View all literature mentions