Ming Shiuan Soh

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For the past 30 years, oocytes from Xenopus laevis have been extensively used to express and characterise ion channels in an easily controlled environment. Here we report the first use of oocytes from the closely related species Xenopus borealis as an alternative expression system for neuronal ion channels. Using the two-electrode voltage-clamp technique,(More)
GABAA receptors containing the α5 subunit (5GABAARs) are found mainly in the hippocampus where they mediate a tonic chloride leak current and contribute a slow component to GABAergic inhibitory synaptic currents. Their inhibitory effect on the excitability of hippocampal neurons at least partly explains why changes in the level of activity of 5GABAARs(More)
The efficacy of an agonist at a pentameric ligand-gated ion channel is determined by the rate at which it induces a conformational change from the resting closed state to a preopen ("flip") state. If the ability of an agonist to promote this isomerization is sufficiently low, then it becomes a partial agonist. As partial agonists at pentameric ligand-gated(More)
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