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Inhibition of GABA and benzodiazepine receptor binding by penicillins
Neuroscience Letters
|July 1, 1980
Abstract:
Penicillins are thought to be GABA receptor antagonists. In order to determine the affinities of various penicillin derivatives for the GABA receptor, their potencies as inhibitors of specific [3H]GABA binding to rat brain membranes were investigated. All investigated penicillins inhibit specific [3H]GABA binding, with IC50 values ranging from 2 to 60 mM. The results are consistent with the assumption that penicillins are weak GABA receptor antagonists.