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Using [3H]flumazenil as a probe we investigated how benzodiazepine site pharmacology of alpha beta gamma ternary combinations of GABAA receptors can be influenced upon expression of different isoforms of alpha, beta and gamma subunits. The nature of the beta subunit did not alter the pharmacology of this site in that the affinities of alpha 5-containing(More)
We report here that carbamazepine and phenytoin, two widely used antiepileptic drugs, potentiate gamma-aminobutyric acid (GABA)-induced Cl- currents in human embryonic kidney cells transiently expressing the alpha 1 beta 2 gamma 2 subtype of the GABAA receptor and in cultured rat cortical neurons. In cortical neuron recordings, the current induced by 1(More)
The lateral hypothalamus (LH) is a key regulator of multiple vital behaviors. The firing of brain-wide-projecting LH neurons releases neuropeptides promoting wakefulness (orexin/hypocretin; OH), or sleep (melanin-concentrating hormone; MCH). OH neurons, which coexpress glutamate and dynorphin, have been proposed to excite their neighbors, including MCH(More)
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