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Activators and blockers of specific ion channels are important pharmacological tools for characterizing ion channels and their influence on cell function. The large-conductance Ca(2+)-dependent K+ channel (BK channel) is blocked by peptides such as charybdotoxin and iberiotoxin, but no selective activator of the channel has been described. Here we report(More)
The high-conductance Ca(2+)-activated K channel (BK channel) is not only regulated by a number of physiological stimuli, but it is also sensitive to pharmacological modulation. We have stably expressed the alpha-subunit of the human BK channel, hslo, in HEK 293 cells and studied by patch-clamp technique how its gating is modulated by the channel activator(More)
This study tests the utility of a new selective serotonin reuptake inhibitor (SSRI), [11C]NS2381 {(+/-)-(8-[11C]methyl-3-(4-trifluoromethyl-phenyl)-8-azabicyclo[3.2.1]oc t-2-ene)}, as positron-emitting radioligand for labelling serotonin (5-HT) reuptake sites in living brain. Studies of monoamine uptake were carried out initially in vitro using rat brain(More)
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