Binding of [3H]-muscimol to GABAA sites in the guinea-pig urinary bladder: biochemical assay and autoradiography
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چکیده
منابع مشابه
Distribution of GABAA and GABAB binding sites in the cochlear nucleus of the guinea pig.
We compared the distribution of GABAA and GABAB binding sites in the cochlear nucleus using quantitative receptor autoradiography with [3H]GABA. To visualize GABAA binding sites, GABAB binding sites were blocked with +/- baclofen. To visualize GABAB binding sites, isoguvacine was used to block GABAA binding sites. GABAA binding sites predominated over GABAB, although there were marked regional ...
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A technique has been developed to investigate [3H]sulpiride binding in rat brain sections using quantitative autoradiography and tritium-sensitive film. Binding was saturable and reversible with very low nonspecific binding. [3H]Sulpiride bound to an apparent single population of sites in striatum with a Kd of 3.2 nM and Bmax of 447 fmol/mg protein. Binding sites were localized in the lamina gl...
متن کامل[3H] dynorphin binding to guinea pig and rat brain.
[3H] Dynorphin can be shown to bind to the brains of both rat and guinea pigs with approximately 50% specific binding. Characterization of the binding in terms of multiple opiate receptor types supports the kappa selectivity of dynorphin in guinea pig. However, in rat brain, a substantial proportion of the [3H] dynorphin binding is displaced by morphine, suggesting a mu as well as kappa compone...
متن کاملLocalized binding of [3H]muscimol to synapses in chicken retina.
Binding sites for [3H]muscimol, an analogue of gamma-aminobutyric acid (GABA) were localized in the synaptic layers of chicken retina by light microscopic and electron microscopic autoradiography. Light microscopic autoradiography of cryostat sections incubated in [3H]muscimol or [3H]GABA revealed identical binding patterns: a band over the inner plexiform layer (IPL) and a band over the outer ...
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ژورنال
عنوان ژورنال: British Journal of Pharmacology
سال: 1989
ISSN: 0007-1188
DOI: 10.1111/j.1476-5381.1989.tb11819.x