Article ID Journal Published Year Pages File Type
5738997 Neuroscience Research 2017 11 Pages PDF
Abstract

•LRRTMs are an emerging family of postsynaptic synapse organizing proteins.•They are strongly associated with neuropsychiatric disorders.•They bind to presynaptic neurexins and heparan sulphate proteoglycans.•They mediate excitatory synapse development without affecting inhibitory synapses.•They are required for synaptic plasticity, particularly long-term potentiation.

Leucine-rich-repeat transmembrane neuronal proteins (LRRTMs) are a family of four synapse organizing proteins critical for the development and function of excitatory synapses. The genes encoding LRRTMs and their binding partners, neurexins and HSPGs, are strongly associated with multiple psychiatric disorders. Here, we review the literature covering their structural features, expression patterns in the developing and adult brains, evolutionary origins, and discovery as synaptogenic proteins. We also discuss their role in the development and plasticity of excitatory synapses as well as their disease associations.

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