416. Atluri PP and Regehr WG. (1998) Delayed release of neurotransmitter from cerebellar granule cells. J Neurosci 18:8214-27.

NeuronCompartmentPropertyConnectivityNotes
Cerebellum interneuron granule cellAxon terminalI Calcium.Potassium-induced glutamate release from granule cells is dependent on the entry of Ca++ through multiple types of Ca-channel including N-, L-, P/Q-types; a number of these channel subtypes seems to be involved in the presynaptic modulation, by GABAB receptors, of potassium-induced glutamate release (Huston E et al, 1995427 ). Activation of the adenosine A1 receptor reduces synaptic strength by modulating presynaptic calcium channels. Baclofen modulates presynaptic calcium channels as well but also affects release processes downstream from calcium entry (Dittman JS and Regehr WG, 1996415 ). Calcium is involved in delayed release of neurotransmitter at synapses between granule cell their postsynaptic targets (stellate cells and Purkinje cells) (Atluri PP and Regehr WG, 1998416 ).

References
427. Huston E, Cullen GP, Burley JR and Dolphin AC. (1995) The involvement of multiple calcium channel sub-types in glutamate release from cerebellar granule cells and its modulation by GABAB receptor activation. Neuroscience 68:465-78.
415. Dittman JS and Regehr WG. (1996) Contributions of calcium-dependent and calcium-independent mechanisms to presynaptic inhibition at a cerebellar synapse. J Neurosci 16:1623-33.
416. Atluri PP and Regehr WG. (1998) Delayed release of neurotransmitter from cerebellar granule cells. J Neurosci 18:8214-27.
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