Journal
SCHIZOPHRENIA RESEARCH
Volume 168, Issue 1-2, Pages 421-428Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.schres.2015.07.002
Keywords
Schizophrenia; Sporadic; De novo; ARMS; Kidins220; Rare variant; Neurotrophin; Exome sequencing
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Funding
- National Institutes of Health [NS21072, MH086651, RC1-MH088843, 5K24MH001699]
- NYU CTSI [UL1TR000038]
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Multiple lines of evidence corroborate impaired signaling pathways as relevant to the underpinnings of schizophrenia. There has been an interest in neurotrophins, since they are crucial mediators of neurodevelopment and in synaptic connectivity in the adult brain. Neurotrophins and their receptors demonstrate aberrant expression patterns in cortical areas for schizophrenia cases in comparison to control subjects. There is little known about the contribution of neurotrophin genes in psychiatric disorders. To begin to address this issue, we conducted high-coverage targeted exome capture in a subset of neurotrophin genes in 48 comprehensively characterized cases with schizophrenia-related psychosis. We herein report rare missense polymorphisms and novel missense mutations in neurotrophin receptor signaling pathway genes. Furthermore, we observed that several genes have a higher propensity to harbor missense coding variants than others. Based on this initial analysis we suggest that rare variants and missense mutations in neurotrophin genes might represent genetic contributions involved across psychiatric disorders. (C) 2015 Elsevier B.V. All rights reserved.
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