IDENTIFICATION OF ALPHA-1-SUBUNIT, ALPHA-2-SUBUNIT AND ALPHA-3-SUBUNIT ISOFORMS OF THE GABA-A-BENZODIAZEPINE RECEPTOR IN THE RAT-BRAIN

被引：29

作者：

BUCHSTALLER, A ^{[1
]}

FUCHS, K ^{[1
]}

SIEGHART, W ^{[1
]}

机构：

[1] UNIV VIENNA,DEPT BIOCHEM PSYCHIAT,PSYCHIAT KLIN,WAHRINGER GURTEL 18-20,A-1090 VIENNA,AUSTRIA

来源：

NEUROSCIENCE LETTERS | 1991年 / 129卷 / 02期

关键词：

GABA-A RECEPTOR; DEGLYCOSYLATION; ALPHA-SUBUNIT; ANTIBODY;

D O I：

10.1016/0304-3940(91)90470-E

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

GABA(A) receptors purified from the brains of 5- to 10-day-old rats were completely N- and O-deglycosylated using N-glycanase and/or neuraminidase plus O-glycanase. Intact or completely deglycosylated receptors were subjected to SDS-polyacrylamide gel electrophoresis and Western blot analysis. Polyclonal antibodies directed against synthetic aminoacid sequences specific for the GABA(A) receptor alpha-1-, alpha-2- or alpha-3-subunits each identified an apparently single protein of about 51 kDa, 53 kDa or 59 kDa, respectively, in the intact receptors. In the deglycosylated receptors, however, three different proteins were identified by antibodies directed against the alpha-3-subunit and at least two different proteins were identified by antibodies directed against the alpha-2- or alpha-1-subunit.

引用

页码：237 / 241

页数：5

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