Relative abundance of subunit mRNAs determines gating and Ca(2+) permeability of AMPA receptors in principal neurons and interneurons in rat CNS

J. Geiger, T. Melcher, D. Koh, B. Sakmann, P. Seeburg, P.M. Jonas, H. Monyer, Neuron 15 (1995) 193–204.

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Abstract
Recording of glutamate-activated currents in membrane patches was combine with RT-PCR-mediated AMPA receptor (AMPAR) subunit mRNA analysis in single identified cells of rat brain slices. Analysis of AMPARs in principal neurons end interneurons of hippocampus and neocortex and in auditory relay neurons and Bergmann glial cells indicates that the GluR-B subunit in its flip version determines formation of receptors with relatively slow gating, whereas the GluR-D subunit promotes assembly of more rapidly gated receptors. The relation between Ca 2+ permeability of AMPAR channels and the relative GluR-B mRNA abundance is consistent with the dominance of this subunit in determining the Ca 2+ permeability of native receptors. The results suggest that differential expression of GluR-B and GluR-D subunit genes, as well as splicing end editing of their mRNAs, account for the differences in gating and Ca 2+ permeability of native AMPAR channels.
Publishing Year
Date Published
1995-07-01
Journal Title
Neuron
Volume
15
Issue
1
Page
193 - 204
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Geiger J, Melcher T, Koh D, et al. Relative abundance of subunit mRNAs determines gating and Ca(2+) permeability of AMPA receptors in principal neurons and interneurons in rat CNS. Neuron. 1995;15(1):193-204. doi:10.1016/0896-6273(95)90076-4
Geiger, J., Melcher, T., Koh, D., Sakmann, B., Seeburg, P., Jonas, P. M., & Monyer, H. (1995). Relative abundance of subunit mRNAs determines gating and Ca(2+) permeability of AMPA receptors in principal neurons and interneurons in rat CNS. Neuron, 15(1), 193–204. https://doi.org/10.1016/0896-6273(95)90076-4
Geiger, Jörg, Thorsten Melcher, Duk Koh, Bert Sakmann, Peter Seeburg, Peter M Jonas, and Hannah Monyer. “Relative Abundance of Subunit MRNAs Determines Gating and Ca(2+) Permeability of AMPA Receptors in Principal Neurons and Interneurons in Rat CNS.” Neuron 15, no. 1 (1995): 193–204. https://doi.org/10.1016/0896-6273(95)90076-4.
J. Geiger et al., “Relative abundance of subunit mRNAs determines gating and Ca(2+) permeability of AMPA receptors in principal neurons and interneurons in rat CNS,” Neuron, vol. 15, no. 1, pp. 193–204, 1995.
Geiger J, Melcher T, Koh D, Sakmann B, Seeburg P, Jonas PM, Monyer H. 1995. Relative abundance of subunit mRNAs determines gating and Ca(2+) permeability of AMPA receptors in principal neurons and interneurons in rat CNS. Neuron. 15(1), 193–204.
Geiger, Jörg, et al. “Relative Abundance of Subunit MRNAs Determines Gating and Ca(2+) Permeability of AMPA Receptors in Principal Neurons and Interneurons in Rat CNS.” Neuron, vol. 15, no. 1, Elsevier, 1995, pp. 193–204, doi:10.1016/0896-6273(95)90076-4.

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