Control of kinetic properties of AMPA receptor channels by nuclear RNA editing

Lomeli, Hilda; Mosbacher, Johannes; Melcher, Thorsten; Höger, Thomas; Geiger, Jörg R. P.; Kuner, Thomas; Monyer, Hannah; Higuchi, Miyoko; Bach, Alfred W. J.; Seeburg, Peter H.

doi:10.1126/science.7992055

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Control of kinetic properties of AMPA receptor channels by nuclear RNA editing

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Mosbacher, Johannes
Department of Cell Physiology, Max Planck Institute for Medical Research, Max Planck Society;

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Melcher, Thorsten
Department of Molecular Neurobiology, Max Planck Institute for Medical Research, Max Planck Society;

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Kuner, Thomas
Interdisciplinary WIN-Research Group on Olfactory Dynamics, Max Planck Institute for Medical Research, Max Planck Society;
Synaptic Transmission MNTB, Max Planck Institute for Medical Research, Max Planck Society;
Synaptic Transmission, Max Planck Institute for Medical Research, Max Planck Society;
Department of Molecular Neurobiology, Max Planck Institute for Medical Research, Max Planck Society;
Department of Cell Physiology, Max Planck Institute for Medical Research, Max Planck Society;

/persons/resource/persons94415

Monyer, Hannah
Department of Molecular Neurobiology, Max Planck Institute for Medical Research, Max Planck Society;

/persons/resource/persons93415

Higuchi, Miyoko
Department of Molecular Neurobiology, Max Planck Institute for Medical Research, Max Planck Society;

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Seeburg, Peter H.
Department of Molecular Neurobiology, Max Planck Institute for Medical Research, Max Planck Society;

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http://science.sciencemag.org/content/266/5191/1709/tab-pdf
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https://doi.org/10.1126/science.7992055
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Citation

Lomeli, H., Mosbacher, J., Melcher, T., Höger, T., Geiger, J. R. P., Kuner, T., et al. (1994). Control of kinetic properties of AMPA receptor channels by nuclear RNA editing. Science, 266(5191), 1709-1713. doi:10.1126/science.7992055.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-A892-2

Abstract

AMPA (alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid) receptor channels mediate the fast component of excitatory postsynaptic currents in the central nervous system. Site-selective nuclear RNA editing controls the calcium permeability of these channels, and RNA editing at a second site is shown here to affect the kinetic aspects of these channels in rat brain. In three of the four AMPA receptor subunits (GluR-B, -C, and -D), intronic elements determine a codon switch (AGA, arginine, to GGA, glycine) in the primary transcripts in a position termed the R/G site, which immediately precedes the alternatively spliced modules "flip" and "flop." The extent of editing at this site progresses with brain development in a manner specific for subunit and splice form, and edited channels possess faster recovery rates from desensitization.