Journal article
Pretty subunits all in a row: using concatenated subunit constructs to force the expression of receptors with defined subunit stoichiometry and spatial arrangement
Molecular pharmacology, v 69(2), pp 407-410
Feb 2006
PMID: 16293710
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The members of the Cys-loop ligand-gated ion channel (LGIC) gene family play a major role in fast synaptic transmission, and these receptors represent an important class of targets for therapeutic agents. Each member of this gene family is a pentameric complex containing one or more different subunits, and a large number of subunits for each member have been identified. This large number of subunits could give rise to a bewildering array of possible subunit compositions and spatial arrangements within a single complex, not all of which may occur in vivo. Heterologous expression systems have been used to create specific combinations of individual subunits to mimic naturally occurring receptors. However, this approach is not without its problems. In this issue of Molecular Pharmacology, Groot-Kormelink et al. (page 559) describe a method for constructing "concatameric" receptors, in which five individual subunits are arranged in a predetermined order connected by a flexible linker. Expression of this construct results in the formation of receptors with a unique, predefined subunit stoichiometry and subunit arrangement within the receptor complex. Receptors formed from this construct are fully functional and have properties essentially identical to those formed from individual subunits. The application of this very general approach to other members of the LGIC family should markedly enhance our ability to understand how subunit composition influences receptor function, as well as provide a means for the expression of receptors of predefined subunit composition and arrangement as tools for the development of novel selective pharmacological and therapeutic agents.
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Details
- Title
- Pretty subunits all in a row: using concatenated subunit constructs to force the expression of receptors with defined subunit stoichiometry and spatial arrangement
- Creators
- Michael M White - Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, PA 19102, USA. mikewhite@drexel.edu
- Publication Details
- Molecular pharmacology, v 69(2), pp 407-410
- Publisher
- American Society for Pharmacology and Experimental Therapeutics (ASPET); United States
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Pharmacology and Physiology
- Web of Science ID
- WOS:000234678300001
- Scopus ID
- 2-s2.0-31044453145
- Other Identifier
- 991014877762104721
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- Web of Science research areas
- Pharmacology & Pharmacy