2010
Shear stress-induced changes of membrane transporter localization and expression in mouse proximal tubule cells
Duan Y, Weinstein A, Weinbaum S, Wang T. Shear stress-induced changes of membrane transporter localization and expression in mouse proximal tubule cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 21860-21865. PMID: 21106755, PMCID: PMC3003103, DOI: 10.1073/pnas.1015751107.Peer-Reviewed Original ResearchConceptsProximal tubule cellsMouse proximal tubuleNa/K-ATPaseTubule cellsApical NHE3Proximal tubulesMouse proximal tubule cellsFSS-induced changesApical plasma membraneV-ATPaseAmount of protein expressionBasolateral membraneWestern blot analysisNHE3Volume reabsorptionTransporter expressionBasolateral transportProtein expressionMPT cellsShear stress-induced changesVacuolar H(+)-ATPaseBlock microtubule polymerizationControl cellsModulate cellular functionsTransporter localization
2008
Shear-induced reorganization of renal proximal tubule cell actin cytoskeleton and apical junctional complexes
Duan Y, Gotoh N, Yan Q, Du Z, Weinstein A, Wang T, Weinbaum S. Shear-induced reorganization of renal proximal tubule cell actin cytoskeleton and apical junctional complexes. Proceedings Of The National Academy Of Sciences Of The United States Of America 2008, 105: 11418-11423. PMID: 18685100, PMCID: PMC2516248, DOI: 10.1073/pnas.0804954105.Peer-Reviewed Original ResearchConceptsProximal tubule cellsAdherens junctionsTight junctionsEndothelial cellsEpithelial cellsMouse proximal tubule cellsCell actin cytoskeletonDistribution of filamentous actinActin cytoskeletal reorganizationStress fiber disruptionActin-disrupting drugsApical junctional complexRenal epithelial cellsPeripheral actin bandsCuboidal epithelial cellsVascular endothelial cellsActin cytoskeletonFilamentous actinCytoskeletal reorganizationCytoskeletal responsesF-actinTubule cellsRenal epitheliumCytochalasin D.Water reabsorption
2005
Axial flow modulates proximal tubule NHE3 and H-ATPase activities by changing microvillus bending moments
Du Z, Yan Q, Duan Y, Weinbaum S, Weinstein A, Wang T. Axial flow modulates proximal tubule NHE3 and H-ATPase activities by changing microvillus bending moments. American Journal Of Physiology. Renal Physiology 2005, 290: f289-f296. PMID: 16144961, DOI: 10.1152/ajprenal.00255.2005.Peer-Reviewed Original ResearchConceptsProximal tubules in vitroHCO3- absorptionTubules in vitroBrush-border microvilliHCO3- permeabilityH(+)-ATPase inhibitor bafilomycinInhibition of NHE3Proximal tubule NHE3Transepithelial potential differenceH-ATPase activityLuminal cell membraneH(+)-ATPaseTransepithelial PDNa+ absorptionParacellular permeabilityH(+)-ATPase activityInhibitor EIPAMembrane transport activityProximal tubulesHCO3- reabsorptionNHE3HCO3- transportH-ATPaseBicarbonate transportPermeability changes