نتایج جستجو برای: gabaa receptor subunit
تعداد نتایج: 656928 فیلتر نتایج به سال:
The involvement of GABA in neuronal differentiation and maturation precedes its role as inhibitory neurotransmitter in the brain. It was therefore investigated whether GABAA receptors mediating the actions of GABA in neonatal and adult brain can be distinguished by their molecular structure and cellular location. Immunohistochemistry with subunit-specific antibodies was employed to analyze chan...
Using human gamma-aminobutyric acid type A (GABAA) receptor subunit combinations, expressed in cell lines and Xenopus laevis oocytes, the pharmacology of a number of ligands interacting directly with the GABA recognition site has been studied in [3H]muscimol binding and electrophysiologically. The binding affinity of GABAA agonist and antagonist ligands showed small but statistically significan...
GABAergic synapses likely contain multiple GABAA receptor subtypes, making postsynaptic currents difficult to dissect. However, even in heterologous expression systems, analysis of receptors composed of alpha, beta, and gamma subunits can be confounded by receptors expressed from alpha and beta subunits alone. To produce recombinant GABAA receptors containing fixed subunit stoichiometry, we coe...
social anxiety disorder (sad) is the one of the most common anxiety disorders. despite its high prevalence, the disorder is still considerably undiagnosed and untreated. the disease places a massive burden on patient’s lives, affecting not only their social interactions but also their educational and professional activities, thereby constituting a severe disability. γ-aminobutyric acid (gaba) s...
The rho 2 subunit, a novel GABA receptor subunit, has been cloned from a human retinal complementary DNA library. This subunit shares 74% amino acid sequence identity with the rho 1 subunit that forms homooligomeric bicuculline-, barbiturate-, and benzodiazepine-insensitive GABA receptors. The rho 2 subunit also forms homooligomeric GABA-activated chloride channels when expressed in Xenopus ooc...
The GABAA receptor beta subunit is required to confer sensitivity to gamma-aminobutyric acid (GABA), the major inhibitory neurotransmitter in the CNS. In previous studies we demonstrated that the growth and differentiation factor neuregulin 1 (NRG1) selectively induced expression of the beta2 subunit mRNA and encoded protein in rat cerebellar granule neurons in culture. In the present report we...
Ethanol exposure produces alterations in GABAergic signaling that are associated with dependence and withdrawal. Previously, we demonstrated that ethanol-induced protein kinase C (PKC) γ signaling selectively contributes to changes in GABAA α1 synaptic receptor activity and surface expression. Here, we demonstrate that protein kinase A (PKA) exerts opposing effects on GABAA receptor adaptations...
Mutations in the mouse Lis1 gene produce severe alterations in the developing cortex. We have examined some electrophysiological responses of cortical pyramidal neurons during the early postnatal development of Lis/sLis1 mutant mice. In P7 and P30 Lis1/sLis1 neurons we detected a lower frequency and slower decay phase of mIPSCs, and at P30 the mIPSCs amplitude and the action potential duration ...
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