Spatiotemporal profile of postsynaptic interactomes integrates components of complex brain disorders

Jing Li, Wangshu Zhang, Hui Yang, Daniel P. Howrigan, Brent Wilkinson, Tade Souaiaia, Oleg V. Evgrafov, Giulio Genovese, Veronica A. Clementel, Jennifer C. Tudor, Ted Abel, James A. Knowles, Benjamin M. Neale, Kai Wang, Fengzhu Sun, Marcelo P. Coba

Research output: Contribution to journalArticlepeer-review

84 Scopus citations


The postsynaptic density (PSD) contains a collection of scaffold proteins used for assembling synaptic signaling complexes. However, it is not known how the core-scaffold machinery associates in protein-interaction networks or how proteins encoded by genes involved in complex brain disorders are distributed through spatiotemporal protein complexes. Here using immunopurification, proteomics and bioinformatics, we isolated 2,876 proteins across 41 in vivo interactomes and determined their protein domain composition, correlation to gene expression levels and developmental integration to the PSD. We defined clusters for enrichment of schizophrenia, autism spectrum disorders, developmental delay and intellectual disability risk factors at embryonic day 14 and adult PSD in mice. Mutations in highly connected nodes alter protein-protein interactions modulating macromolecular complexes enriched in disease risk candidates. These results were integrated into a software platform, Synaptic Protein/Pathways Resource (SyPPRes), enabling the prioritization of disease risk factors and their placement within synaptic protein interaction networks.

Original languageEnglish (US)
Pages (from-to)1150-1161
Number of pages12
JournalNature Neuroscience
Issue number8
StatePublished - Aug 1 2017
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Neuroscience


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