Submillisecond AMPA receptor-mediated signaling at a principal neuron-interneuron synapse

J. Geiger, J. Lubke, A. Roth, M. Frotscher, P.M. Jonas, Neuron 18 (1997) 1009–1023.

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Abstract
Glutamatergic transmission at a principal neuroninterneuron synapse was investigated by dual whole-cell patch-clamp recording in rat hippocampal slices combined with morphological analysis. Evoked EPSPs with rapid time course (half duration ≃ 4 ms; 34°C) were generated at multiple synaptic contacts established on the interneuron dendrites close to the soma. The underlying postsynaptic conductance change showed a submillisecond rise and decay, due to the precise timing of glutamate release and the rapid deactivation of the postsynaptic AMPA receptors. Simulations based on a compartmental model of the interneuron indicated that the rapid postsynaptic conductance change determines the shape and the somatodendritic integration of EPSPs, thus enabling interneurons to detect synchronous principal neuron activity.
Publishing Year
Date Published
1997-06-01
Journal Title
Neuron
Volume
18
Issue
6
Page
1009 - 1023
IST-REx-ID

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Geiger J, Lubke J, Roth A, Frotscher M, Jonas PM. Submillisecond AMPA receptor-mediated signaling at a principal neuron-interneuron synapse. Neuron. 1997;18(6):1009-1023. doi:10.1016/S0896-6273(00)80339-6
Geiger, J., Lubke, J., Roth, A., Frotscher, M., & Jonas, P. M. (1997). Submillisecond AMPA receptor-mediated signaling at a principal neuron-interneuron synapse. Neuron, 18(6), 1009–1023. https://doi.org/10.1016/S0896-6273(00)80339-6
Geiger, Jörg, Joachim Lubke, Arnd Roth, Michael Frotscher, and Peter M Jonas. “Submillisecond AMPA Receptor-Mediated Signaling at a Principal Neuron-Interneuron Synapse.” Neuron 18, no. 6 (1997): 1009–23. https://doi.org/10.1016/S0896-6273(00)80339-6.
J. Geiger, J. Lubke, A. Roth, M. Frotscher, and P. M. Jonas, “Submillisecond AMPA receptor-mediated signaling at a principal neuron-interneuron synapse,” Neuron, vol. 18, no. 6, pp. 1009–1023, 1997.
Geiger J, Lubke J, Roth A, Frotscher M, Jonas PM. 1997. Submillisecond AMPA receptor-mediated signaling at a principal neuron-interneuron synapse. Neuron. 18(6), 1009–1023.
Geiger, Jörg, et al. “Submillisecond AMPA Receptor-Mediated Signaling at a Principal Neuron-Interneuron Synapse.” Neuron, vol. 18, no. 6, Elsevier, 1997, pp. 1009–23, doi:10.1016/S0896-6273(00)80339-6.

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