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AMPA receptors jump the synaptic cleft

Satake et al. show that glutamate release in the cerebellum causes heterosynaptic depression of GABA release and that AMPA receptors act presynaptically to mediate this phenomenon.

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Figure 1: Climbing fiber activation causes glutamate spread onto presynaptic AMPA receptors on basket cell terminals.

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Nicoll, R., Frerking, M. & Schmitz, D. AMPA receptors jump the synaptic cleft. Nat Neurosci 3, 527–529 (2000). https://doi.org/10.1038/75689

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