Use of label-free optical biosensors to detect modulation of potassium channels by G-protein coupled receptors.
Fleming MR, Shamah SM, Kaczmarek LK. Use of label-free optical biosensors to detect modulation of potassium channels by G-protein coupled receptors. Journal Of Visualized Experiments 2014, e51307. PMID: 24562095, PMCID: PMC4122194, DOI: 10.3791/51307.Peer-Reviewed Original ResearchConceptsG protein-coupled receptorsOptical biosensorPlasma membraneLabel-free optical biosensorProtein-protein interactionsIon channelsChannel-protein interactionsExcitable cell typesReceptor tyrosine kinasesProtein-coupled receptorsLigand-induced changesCell surface receptorsPotassium channelsRegulatory proteinsTyrosine kinaseG proteinsProtein behaviorSodium-activated potassium channelsExogenous labelsPhysiological relevanceCell adhesionLiving cellsCell typesHeteromeric channelsSurface receptors