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Ligands for expression cloning and isolation of GABA(B) receptors

Froestl, W. and Bettler, B. and Bittiger, H. and Heid, J. and Kaupmann, K. and Mickel, S. J. and Strub, D.. (2001) Ligands for expression cloning and isolation of GABA(B) receptors. Il farmaco, Vol. 56, no. 1-2. pp. 101-105.

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Official URL: http://edoc.unibas.ch/dok/A5262262

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Abstract

Outlined is the rationale behind the syntheses of radioligands [125I]CGP64213 and [125I]CGP71872, which led to the identification of cloned GABA(B) receptors 1a and 1b 17 years after the first pharmacological characterisation of native GABA(B) receptors by Bowery et al. [Nature 283 (1980) 92-94]. More recently it was shown that the N-terminal extracellular domains of GABA(B) receptors 1a and 1b contain the binding sites for agonists and antagonists [B. Malitschek et al., Mol. Pharmacol. 56 (1999) 448-454]. In order to isolate the extracellular domain(s) of GABA(B) receptors 1a (or 1b) and to purify and crystallise these proteins a third ligand [125I]CGP84963 was designed, which combines, in one molecule, a GABA(B) receptor binding part, an azidosalicylic acid as photoaffinity moiety and 2-iminobiotin, which binds to avidin in a reversible, pH-dependent fashion [W. Froestl et al., Neuropharmacology 38 (1999) 1641-1646].
Faculties and Departments:03 Faculty of Medicine > Departement Biomedizin > Division of Physiology > Molecular Neurobiology Synaptic Plasticity (Bettler)
UniBasel Contributors:Bettler, Bernhard
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Elsevier
ISSN:0014-827X
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:24
Deposited On:22 Mar 2012 13:37

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