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XB-ART-16982
Br J Pharmacol 1997 Feb 01;1203:353-5. doi: 10.1038/sj.bjp.0700934.
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Volatile general anaesthetic actions on recombinant nACh alpha 7, 5-HT3 and chimeric nACh alpha 7-5-HT3 receptors expressed in Xenopus oocytes.

Zhang L , Oz M , Stewart RR , Peoples RW , Weight FF .


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The effect of halothane and isoflurane was studied on the function of recombinant neurotransmitter receptors expressed in Xenopus oocytes. Both anaesthetics inhibited nicotinic acetylcholine type alpha 7 (nACh alpha 7) receptor-mediated responses, potentiated 5-hydroxytryptamine type 3 (5-HT3) receptor-mediated responses at low agonist concentrations, and inhibited the function of a chimeric receptor (with the N-terminal domain from the nACh alpha 7 receptor and the transmembrane and C-terminal domains from the 5-HT3 receptor) in a manner similar to that of the nACh alpha 7 receptor. Since the N-terminal domain of the chimeric receptor was from the nACh alpha 7 receptor, the observations suggest that the inhibition involves the N-terminal domain of the receptor.

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