Gluk4-containing kainate receptors regulate synaptic communication in the motor cortex and reduce axon degeneration in adult mice
Raphael Ricci,
Jessica L Fletcher,
Kalina Makowiecki
et al.
Abstract:Glutamate-gated kainate receptors comprising the Gluk4 subunit (encoded by Grik4) are highly expressed by neurons in the central nervous system. We report that Grik4 mRNA is widely expressed by neurons in the adult mouse motor cortex, where GluK4-containing kainate receptors account for ~60% of the kainate evoked current in layer V pyramidal neurons. To elucidate their role in motor circuit regulation, we analyzed the behavior of mice that lacked the pore forming domain of the GluK4 subunit (Grik4-/- mice). Gr… Show more
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