Synonyms: FP-802
Compound class:
Synthetic organic
Comment: FP802 is a small molecule that acts to disrupt the protein-protein interaction between NMDA glutamate receptors (NMDARs) and transient receptor potential cation channel subfamily M member 4 (TRPM4) [3]. It is an analogue of brophenexin, with a chlorine atom replacing brophenexin's bromine atom [2]. In extrasynaptic neurons the NMDAR subunits GluN2A and GluN2B interact with the TwinF domain of TRPM4, to form a NMDAR/TRPM4 death signaling complex that mediates NMDA-triggered toxicity and neurodegeneration. This new class of agents have been named collectively as TwinF interface (TI) inhibitors and they are being explored for anti-neurodegenerative/neuroprotective effects [1]. Experimental evidence indicates that TIs act only as protein-protein interaction inhibitors, and do not alter the channel activity or expression of NMDARs or TRPM4.
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