Identification of Small Molecules that Enhance Synaptogenesis Using Synapse Microarrays
Scott, Mark A
Yanik, Mehmet Fatih
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CitationShi, Peng, Mark A. Scott, Balaram Ghosh, Dongpeng Wan, Zachary Wissner-Gross, Ralph Mazitschek, Stephen J. Haggarty, and Mehmet Fatih Yanik. 2011. Identification of small molecules that enhance synaptogenesis using synapse microarrays. Nature Communications 2: 510.
AbstractSynaptic function is affected in many brain diseases and disorders. Technologies for large-scale synapse assays can facilitate identification of drug leads. Here we report a “synapse microarray” technology that enables ultra-sensitive, high-throughput, and quantitative screening of synaptogenesis. Our platform enables the induction of synaptic structures in regular arrays by precise positioning of non-neuronal cells expressing synaptic proteins, while allowing neurites to grow freely around these cells. The technology increases by tenfold the sensitivity of the traditional assays, and simultaneously decreases the time required to capture synaptogenic events by an order of magnitude. It is readily incorporated into multiwell formats compatible with industrial high-throughput screening platforms. Using this technology, we screened a chemical library and identified novel histone deacetylase inhibitors that improve neuroligin-1 induced synaptogenesis via modulating class-I histone deacetylases. We also found a structure-activity relationship for designing novel potent histone deacetylase inhibitors, which can be applied towards development of new therapeutics.
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