2011
The flavonone naringenin inhibits chloride secretion in isolated colonic epithelia
Collins D, Kopic S, Geibel JP, Hogan AM, Medani M, Baird AW, Winter DC. The flavonone naringenin inhibits chloride secretion in isolated colonic epithelia. European Journal Of Pharmacology 2011, 668: 271-277. PMID: 21762688, DOI: 10.1016/j.ejphar.2011.06.052.Peer-Reviewed Original ResearchConceptsHuman colonic mucosaChloride secretionAntisecretory actionColonic mucosaCo-transporter inhibitorsEffect of naringeninIntracellular cAMP generationColonic cell lineAntisecretory effectColonic functionColorectal cancerProtective effectUssing chambersColonic epitheliumSecretory functionCAMP generationInhibitory actionBasolateral NKCC1Human colonRatsSecretionIntracellular acidificationConflicting resultsCell linesMucosa
2002
Calcium-pump inhibitors induce functional surface expression of ΔF508-CFTR protein in cystic fibrosis epithelial cells
Egan ME, Glöckner-Pagel J, Ambrose C, Cahill PA, Pappoe L, Balamuth N, Cho E, Canny S, Wagner CA, Geibel J, Caplan MJ. Calcium-pump inhibitors induce functional surface expression of ΔF508-CFTR protein in cystic fibrosis epithelial cells. Nature Medicine 2002, 8: 485-492. PMID: 11984593, DOI: 10.1038/nm0502-485.Peer-Reviewed Original ResearchConceptsEndoplasmic reticulumCalcium pump inhibitorΔF508-CFTR proteinCystic fibrosis epithelial cellsCystic fibrosis transmembrane conductance regulator (CFTR) proteinCystic fibrosis cell lineFunctional surface expressionSurface expressionChaperone activityChaperone proteinsRegulator proteinPlasma membraneCystic fibrosis defectCell surfaceProteinCell linesPotential targetOptimal activityInhibitor thapsigarginEpithelial cellsExpressionCommon mutationsInhibitorsMouse modelReticulum
1999
Continuous detection of extracellular ATP on living cells by using atomic force microscopy
Schneider S, Egan M, Jena B, Guggino W, Oberleithner H, Geibel J. Continuous detection of extracellular ATP on living cells by using atomic force microscopy. Proceedings Of The National Academy Of Sciences Of The United States Of America 1999, 96: 12180-12185. PMID: 10518596, PMCID: PMC18432, DOI: 10.1073/pnas.96.21.12180.Peer-Reviewed Original ResearchConceptsAtomic force microscopyForce microscopyLiving cellsImportant compoundsSurface of cellsATP concentrationSurface microenvironmentScanning tipExtracellular ATPCell linesMicroscopyPhysiological conditionsPowerful techniqueCellsContinuous detectionBiosensorSurfaceCompoundsActive tipATPConcentrationFuture developmentSoftnessDetectionMicroenvironment
1993
Imaging the lamellipodium of migrating epithelial cells in vivo by atomic force microscopy
Oberleithner H, Giebisch G, Geibel J. Imaging the lamellipodium of migrating epithelial cells in vivo by atomic force microscopy. Pflügers Archiv - European Journal Of Physiology 1993, 425: 506-510. PMID: 8134267, DOI: 10.1007/bf00374878.Peer-Reviewed Original ResearchConceptsPlasma membraneCell locomotionNew plasma membraneCell surfacePlasma membrane potentialCanine kidney cell linePlasma membrane integrityMadin-Darby canine kidney (MDCK) cell lineDynamic physiological processesKidney cell lineAlkaline stressInvagination processCytoskeletal elementsMDCK-F cellsPhysiological processesMembrane integrityMembrane turnoverCell linesKidney cellsMembrane potentialEpithelial cellsTurnover processCellsMembranePotential role