Title : Ethanol sensitivity of heteromeric NMDA receptors: effects of subunit assembly, glycine and NMDAR1 Mg(2+)-insensitive mutants.

Pub. Date : 1995 Mar

PMID : 7630488






6 Functional Relationships(s)
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1 Ethanol sensitivity of heteromeric NMDA receptors: effects of subunit assembly, glycine and NMDAR1 Mg(2+)-insensitive mutants. Ethanol glutamate ionotropic receptor NMDA type subunit 1 L homeolog Xenopus laevis
2 In the current study, dimeric and trimeric combinations of N-methyl-D-aspartate (NMDA) receptor subunits were expressed in Xenopus oocytes and their sensitivity to ethanol was examined using conventional two electrode voltage clamp methods. Ethanol glutamate ionotropic receptor NMDA type subunit 1 L homeolog Xenopus laevis
3 In oocytes expressing the NR1/2A subunits, ethanol (25, 50 and 100 mM) inhibited NMDA (100 microM)/glycine (10 microM) induced currents by 21, 31 and 47%; respectively. Ethanol glutamate ionotropic receptor NMDA type subunit 1 L homeolog Xenopus laevis
4 Ethanol inhibition of NMDA-stimulated currents in oocytes injected with NR1/2A/2B or NR1/2A/2C was not significantly different from that observed in NR1/2B or NR1/2C injected oocytes, respectively. Ethanol glutamate ionotropic receptor NMDA type subunit 1 L homeolog Xenopus laevis
5 Ethanol inhibition of NMDA-stimulated currents in oocytes injected with NR1/2A/2B or NR1/2A/2C was not significantly different from that observed in NR1/2B or NR1/2C injected oocytes, respectively. Ethanol glutamate ionotropic receptor NMDA type subunit 1 L homeolog Xenopus laevis
6 Ethanol inhibition of NMDA-stimulated currents in oocytes injected with NR1/2A/2B or NR1/2A/2C was not significantly different from that observed in NR1/2B or NR1/2C injected oocytes, respectively. Ethanol glutamate ionotropic receptor NMDA type subunit 1 L homeolog Xenopus laevis