Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
7
pubmed:dateCreated
1991-12-30
pubmed:abstractText
gamma-Aminobutyric acid (GABA) acts as an inhibitory transmitter in the vertebrate central nervous system, often by interacting with the GABAA type of receptor. Molecular cloning techniques have shown that GABAA receptors are assembled from at least five types of subunit, some of which are present in multiple forms. In this review, the functional properties of native GABAA receptors are compared with those of recombinant receptors, created by expression of appropriate cDNAs in frog oocytes or transfected mammalian cells. Native receptors typically display multiple conductance levels in the open state, complex kinetics, a Hill slope greater than unity, voltage dependence, and desensitization at high agonist doses. All of these features can also be exhibited by recombinant receptors, but marked qualitative and quantitative distinctions exist between receptors containing different combinations of subunits. It is argued that these functional differences are likely to be exploited in vivo by the expression of multiple, physiologically distinct GABAA receptors, distributed in an adaptive fashion throughout the nervous system.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jul
pubmed:issn
0008-4212
pubmed:author
pubmed:issnType
Print
pubmed:volume
69
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1057-63
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1991
pubmed:articleTitle
Activation and inactivation of the GABAA receptor: insights from comparison of native and recombinant subunit assemblies.
pubmed:affiliation
Department of Physiology, Faculty of Medicine, University of British Columbia, Vancouver, Canada.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't