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The transport stoichiometry of the electrogenic sodium-bicarbonate cotransporter (SLC4A5 or NBCe2) in mouse choroid plexus was examined. Whole-cell recording methods measured the currents carried by the NBCe2, using experimental solutions determined to minimise the contributions of the other ion conductances present. Increases in outward current were(More)
PURPOSE Autosomal recessive bestrophinopathy (ARB) is a retinal dystrophy affecting macular and retinal pigmented epithelium function resulting from homozygous or compound heterozygous mutations in BEST1. In this study we characterize the functional implications of missense bestrophin-1 mutations that cause ARB by investigating their effect on(More)
Knowledge of the diversity of ion channel form and function has increased enormously over the last 25 years. The initial impetus in channel discovery came with the introduction of the patch clamp method in 1981. Functional data from patch clamp experiments have subsequently been augmented by molecular studies which have determined channel structures. Thus(More)
The endothelial cells of the brain microvasculature, which constitute the blood-brain barrier, secrete K+ into brain interstitial fluid. K+ channels are predicted to have a central role to play in this process. The aim of the following study was to characterise K+ channels in primary cultures of endothelial cells isolated from rat brain microvessels by(More)
Amino acid movement across cell membranes is mediated by a variety of transport systems. These pathways have been extensively studied and characterized in a large array of cell types and include both Na+-dependent and Naf-independent carriers. In addition, recent work suggests that channels may also play a role in amino acid transport. The objective of the(More)
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