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Molecular cloning reveals the existence of a fourth γ subunit of the vertebrate brain GABAA receptor
Journal article   Peer reviewed

Molecular cloning reveals the existence of a fourth γ subunit of the vertebrate brain GABAA receptor

Robert J Harvey, H C Kim and M G Darlison
FEBS Letters, Vol.331(3), pp.211-216
1993
url
https://doi.org/10.1016/0014-5793(93)80339-VView
Published Version

Abstract

cDNA cloning chick brain developmental gene expression GABAa receptor y subunit hybridization in situ visual processing
We have isolated a cDNA, from the chicken, that encodes a fourth type of γ subunit of the vertebrate brain GABAA receptor. The mature polypeptide (which we name γ4) displays 67%, 69% and 70% identity, respectively, to the rat γ1, γ2 and γ3 subunits. In the developing chicken brain, the γ4-subunit mRNA is first detected at embryonic day 13; the transcript level then increases progressively during embryogenesis. In situ hybridization reveals that the γ4-subunit mRNA is abundant in several brain regions, including the ectostriatum, nucleus rotundus and hyperstriatum ventrale, which are involved in visual processing and learning. © 1993.

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Biochemistry & Molecular Biology
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