Targeting 14-3-3 adaptor protein-protein interactions to stimulate central nervous system repair

The goal of developing treatments for central nervous system（CNS）injuries is becoming more attainable with the recent identification of various drugs that can repair damaged axons.These discoveries have stemmed from screening efforts,large expression datasets and an improved understanding of the cellular and molecular biology underlying axon growth.It will be important to continue searching for new compounds that can induce axon repair.Here we describe how a family of adaptor proteins called 14-3-3s can be targeted using small molecule drugs to enhance axon outgrowth and regeneration.14-3-3s bind to many functionally diverse client proteins to regulate their functions.We highlight the recent discovery of the axon-growth promoting activity of fusicoccin-A,a fungus-derived small molecule that stabilizes 14-3-3 interactions with their client proteins.Here we discuss how fusicoccin-A could serve as a starting point for the development of drugs to induce CNS repair.

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