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Titolo:
Regional distribution and developmental changes of G1uR1-flop protein revealed by monoclonal antibody in rat brain
Autore:
Tonnes, J; Stierli, B; Cerletti, C; Behrmann, JT; Molnar, E; Streit, P;
Indirizzi:
Univ Zurich, Inst Brain Res, CH-8057 Zurich, Switzerland Univ Zurich Zurich Switzerland CH-8057 Res, CH-8057 Zurich, Switzerland Univ Newcastle Upon Tyne, Sch Med, Dept Pharmacol Sci, Newcastle Upon TyneNE1 7RU, Tyne & Wear, England Univ Newcastle Upon Tyne Newcastle Upon TyneTyne & Wear England NE1 7RU
Titolo Testata:
JOURNAL OF NEUROCHEMISTRY
fascicolo: 5, volume: 73, anno: 1999,
pagine: 2195 - 2205
SICI:
0022-3042(199911)73:5<2195:RDADCO>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
GLUTAMATE RECEPTOR SUBUNIT; AMINO-ACID RECEPTORS; FUNCTIONAL EXPRESSION; BINDING-SITES; QUANTITATIVE AUTORADIOGRAPHY; DIFFERENTIAL EXPRESSION; MOLECULAR-CLONING; OPERATED CHANNELS; H-3 AMPA; KAINATE;
Keywords:
glutamate receptors; AMPA receptor subunits; alternative splicing; developmentally regulated expression; R/G site;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
36
Recensione:
Indirizzi per estratti:
Indirizzo: Streit, P Univ Zurich, Inst Brain Res, Winterthurerstr 190, CH-8057 Zurich, Switzerland Univ Zurich Winterthurerstr 190 Zurich Switzerland CH-8057 land
Citazione:
J. Tonnes et al., "Regional distribution and developmental changes of G1uR1-flop protein revealed by monoclonal antibody in rat brain", J NEUROCHEM, 73(5), 1999, pp. 2195-2205

Abstract

From immunizations of mice with a glutathione S-transferase fusion proteincontaining residues 724-781 of the alpha-amino-3-hydroxy-5-methyl-4-isoxazolepionic acid receptor subunit GluR1-flop, two monoclonal antibodies (mAbs) were developed that differed widely in their ranges of specificity. In immunocytochemical and immunoblotting assays performed on COS-7 cells transfected with one of the eight GluR1-4-flip/flop forms, mAb 19B10 recognized all eight forms, whereas mAb 8E11 was specific for GluR1-flop. By means of synthetic peptides, the epitopes were determined to be NKWWYDKG (GluR1-flop(760-767)) for mAb 19B10 but GSALRNPVN (GluR1-flop(740-748)) plus a partial epitope, QGLL (GluR1-flop(757-760)), for mAb 8E11. Further analysis on synthetic peptides pointed to a potential cross-reactivity of mAb 8E11 with GluR2-4-flop variants that lacked editing at the R/G site. The contribution of such cross-reactivities in histoblot labeling patterns on adult rat brain material, however, was judged to be negligible. Histoblot patterns with mAb 8E11 were dominated by strong immunoreactivity in CA1 strata radiatum and oriens and in the dentate molecular layer, whereas the CA3 region was virtually free of labeling. This pattern and those observed at different stages of postnatal development were generally similar to regional distribution patterns previously reported in the literature for GluR1-flop transcripts.

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Documento generato il 03/04/20 alle ore 06:35:47