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| http://purl.uniprot.org/citations/27030755 | http://www.w3.org/2000/01/rdf-schema#comment | "Autism spectrum disorder (ASD) is a neurodevelopmental disorder caused by genetic variants, susceptibility alleles, and environmental perturbations. The autism associated geneMETtyrosine kinase has been implicated in many behavioral domains and endophenotypes of autism, including abnormal neural signaling in human sensory cortex. We investigated somatosensory thalamocortical synaptic communication in mice deficient in Met activity in cortical excitatory neurons to gain insights into aberrant somatosensation characteristic of ASD. The ratio of excitation to inhibition is dramatically increased due to decreased postsynaptic GABAAreceptor-mediated inhibition in the trigeminal thalamocortical pathway of mice lacking active Met in the cerebral cortex. Furthermore, in contrast to wild-type mice, insulin failed to increase GABAAreceptor-mediated response in the barrel cortex of mice with compromised Met signaling. Thus, lacking insulin effects may be a risk factor in ASD pathogenesis.Significance statementA proposed common cause of neurodevelopmental disorders is an imbalance in excitatory neural transmission, provided by the glutamatergic neurons, and the inhibitory signals from the GABAergic interneurons. Many genes associated with autism spectrum disorders impair synaptic transmission in the expected cell type. Previously, inactivation of the autism-associated Met tyrosine kinase receptor in GABAergic interneurons led to decreased inhibition. In thus report, decreased Met signaling in glutamatergic neurons had no effect on excitation, but decimated inhibition. Further experiments indicate that loss of Met activity downregulates GABAAreceptors on glutamatergic neurons in an insulin independent manner. These data provide a new mechanism for the loss of inhibition and subsequent abnormal excitation/inhibition balance and potential molecular candidates for treatment or prevention."xsd:string |
| http://purl.uniprot.org/citations/27030755 | http://purl.org/dc/terms/identifier | "doi:10.1523/jneurosci.0006-16.2016"xsd:string |
| http://purl.uniprot.org/citations/27030755 | http://purl.uniprot.org/core/author | "Erzurumlu R.S."xsd:string |
| http://purl.uniprot.org/citations/27030755 | http://purl.uniprot.org/core/author | "Powell E.M."xsd:string |
| http://purl.uniprot.org/citations/27030755 | http://purl.uniprot.org/core/author | "Lo F.S."xsd:string |
| http://purl.uniprot.org/citations/27030755 | http://purl.uniprot.org/core/date | "2016"xsd:gYear |
| http://purl.uniprot.org/citations/27030755 | http://purl.uniprot.org/core/name | "J Neurosci"xsd:string |
| http://purl.uniprot.org/citations/27030755 | http://purl.uniprot.org/core/pages | "3691-3697"xsd:string |
| http://purl.uniprot.org/citations/27030755 | http://purl.uniprot.org/core/title | "Insulin-Independent GABAA Receptor-Mediated Response in the Barrel Cortex of Mice with Impaired Met Activity."xsd:string |
| http://purl.uniprot.org/citations/27030755 | http://purl.uniprot.org/core/volume | "36"xsd:string |
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