Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0004352 (autism)
 32,579 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

CUB and Sushi multiple domains 3 (CSMD3) is a large protein expressed in fetal and adult brain. Recently, mutations of the CSMD3 gene were identified in schizophrenia and autism patients. However, biochemical properties and functions of the CSMD3 protein remain unknown. Here, we demonstrate that CSMD3 is an oligomeric type I transmembrane protein localized in the apical dendrites of hippocampal pyramidal neurons in the postnatal brain. In cultured hippocampal neurons, CSMD3 is expressed only after 7 days in vitro. Overexpression of CSMD3 induced dendritic branching in hippocampal neurons. Regulation of dendritic morphology by CSMD3 depended on the presence of its extracellular region, while CSMD3 intracellular region was dispensable for this activity. These results suggest that CSMD3 acts as a co-receptor of an unidentified membrane protein to regulate dendrite development. Therefore, malfunctions of CSMD3 may be one of the factors in the pathogenesis of psychiatric disorders.
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PMID:CUB and Sushi multiple domains 3 regulates dendrite development. 2703 69