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Curr Opin Neurobiol. 2003 Jun;13(3):279-83.

Regulation of ion channel/neurotransmitter receptor function by RNA editing.

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Department of Molecular Neurobiology, Max-Planck Institute for Medical Research, Jahnstrasse 29, 69120 Heidelberg, Germany.


RNA editing by select adenosine deamination (A-to-I editing) alters functional determinants in certain ion channels and neurotransmitter receptors in vertebrates and invertebrates. In most cases, edited and unedited versions of a given receptor/channel co-exist to expand the functional space of the receptor population. Recent studies have characterized K(+) channels in squid that are edited at multiple positions, revealed a role for Q/R site editing in AMPA receptor assembly, and demonstrated a link between serotonin levels and the extent of editing of a mammalian serotonin receptor.

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