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GABA regulates the binding of [35S]t-butylbicyclophosphorothionate ([35S]TBPS) within the GABA receptor-ionophore complex by decreasing the rate of radioligand association and increasing the rate of dissociation but in different ways for the EDTA/water-dialyzed rat brain membranes and a solubilized preparation obtained on treatment with the zwitterionic(More)
Ontogenesis of the convulsant (picrotoxinin or t-butylbicyclophosphorothionate (TBPS] site(s) was defined in chicken embryonic brain with the radioligands [35S]TBPS and [3H]t-butylbicycloorthobenzoate [( 3H]TBOB). Binding of the radioligands is detectable from day 6 of incubation. The increase in binding after day 14 of incubation is due to an increase in(More)
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