نتایج جستجو برای: hymenocardia acida
تعداد نتایج: 210 فیلتر نتایج به سال:
The inhibitory neurotransmitter gamma-aminobutyric acid (GABA) has multiple receptors. In mammals, the GABA(A) receptor subtype is modulated by neurosteroids. However, whether steroid interaction with the GABA(A) receptor is unique to mammals or a conserved feature in vertebrates is unknown. Thus, neurosteroid modulation of the GABA(A) receptor was investigated in the brain of the bullfrog (Ran...
When using whole-cell recording methods and a minimal intracellular medium containing only inorganic ions, ethyleneglycolbis-(beta-aminoethyl ether)-N,N,N',N'-tetraacetic acid, and N-2-hydroxyethylpiperazine-N'-2-ethanesulfonic acid, we have observed a time-dependent decrease in the responsiveness of cultured chick spinal cord neurons to gamma-aminobutyric acid (GABA). The current evoked by 30 ...
A successful unified pharmacophore/receptor model which has guided the synthesis of subtype selective compounds is reviewed in light of recent developments both in ligand synthesis and structural studies of the binding site itself. The evaluation of experimental data in combination with a comparative model of the 1 2 2 GABAA receptor leads to an orientation of the pharmacophore model within the...
The radiochemical synthesis and pharmacological properties are described of [3H]RY 80 (ethyl-8-acetylene-5, 6-dihydro-5-methyl-6-oxo-4H-imidazo[1,5a][1, 4]benzodiazepine-3-carboxylate, [ethyl-3H]). This compound is one of a series of 8-substituted imidazobenzodiazepines that exhibits both high affinity and selectivity for gamma-aminobutyric acid (GABA)A receptors containing alpha-5 subunits. Sa...
El clenbuterol-Clb calificado como un potente bronco-vaso-dilatador, repartidor de grasa, agente tocolitico (retardador del parto), utilizado para controlar enfermedades respiratorias, tanto en animales humanos; el Clb es β2-agonista-adrenérgico (β2-AA), cual, causa incremento la masa muscular aves, bovinos, cabras y ovejas, sin embargo, las rutas metabólicas modo acción hasta presente no están...
Aims: To examine the existing literature to determine the degree to which percutaneous absorption data obtained using the excised human skin model match those obtained from living man. Methods: The scientific literature was reviewed to collect data on compounds whose percutaneous absorption through human skin had been measured under both in vitro and in vivo conditions. The in vitro-in vivo (IV...
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