Claudia Benkwitz
Publication Details
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Influence of GABAA receptor gamma2 splice variants on receptor kinetics and isoflurane modulation.
Anesthesiology. 2004; (4): 924-36
Gamma-aminobutyric acid type A (GABAA) receptors, the major inhibitory receptors in the brain, are important targets of many drugs, including general anesthetics. These compounds exert multiple effects on GABAA receptors, including direct activation, prolongation of deactivation kinetics, and reduction of inhibitory postsynaptic current amplitudes. However, the degree to which these actions occur differs for different agents and synapses, possibly because of subunit-specific effects on postsynaptic receptors. In contrast to benzodiazepines and intravenous anesthetics, there is little information available about the subunit dependency of actions of volatile anesthetics. Therefore, the authors studied in detail the effects of isoflurane on recombinant GABAA receptors composed of several different subunit combinations.
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