2016
Isoforms of Spectrin and Ankyrin Reflect the Functional Topography of the Mouse Kidney
Stankewich MC, Moeckel GW, Ji L, Ardito T, Morrow JS. Isoforms of Spectrin and Ankyrin Reflect the Functional Topography of the Mouse Kidney. PLOS ONE 2016, 11: e0142687. PMID: 26727517, PMCID: PMC4703142, DOI: 10.1371/journal.pone.0142687.Peer-Reviewed Original ResearchConceptsBowman's capsuleEndothelial cellsFunctional topographyThick ascending loopGlomerular endothelial cellsProximal tubule cellsCapillary endothelial cellsAscending loopDistal tubulesDistal nephronTubule cellsTubular segmentsKidneyRodent kidneyWestern blottingMouse kidneyImmuno-electron microscopyThick loopAnkyrin GMetabolite traffickingSpectrin scaffoldHenleNephronCapsulePodocytes
2011
Preactivation of AMPK by metformin may ameliorate the epithelial cell damage caused by renal ischemia
Seo-Mayer PW, Thulin G, Zhang L, Alves DS, Ardito T, Kashgarian M, Caplan MJ. Preactivation of AMPK by metformin may ameliorate the epithelial cell damage caused by renal ischemia. American Journal Of Physiology. Renal Physiology 2011, 301: f1346-f1357. PMID: 21849490, PMCID: PMC3233870, DOI: 10.1152/ajprenal.00420.2010.Peer-Reviewed Original ResearchConceptsEpithelial cell polarityMDCK cellsPlasma membrane domainsIon transport proteinsEpithelial cell organizationCellular energy sensorAMPK activator metforminMadin-Darby canine kidney cellsBasolateral plasma membraneShort hairpin RNACanine kidney cellsCell polarityImmunofluoresence localizationRenal epithelial cellsMembrane domainsNa-K-ATPaseProtein kinaseAMPK activatorPlasma membraneVesicular compartmentsAMPK activityTransport proteinsEnergy sensorMolecular consequencesBasolateral localization
2004
Paracellular Cl- permeability is regulated by WNK4 kinase: Insight into normal physiology and hypertension
Kahle KT, MacGregor GG, Wilson FH, Van Hoek AN, Brown D, Ardito T, Kashgarian M, Giebisch G, Hebert SC, Boulpaep EL, Lifton RP. Paracellular Cl- permeability is regulated by WNK4 kinase: Insight into normal physiology and hypertension. Proceedings Of The National Academy Of Sciences Of The United States Of America 2004, 101: 14877-14882. PMID: 15465913, PMCID: PMC522037, DOI: 10.1073/pnas.0406172101.Peer-Reviewed Original ResearchConceptsPseudohypoaldosteronism type IIPHAII-mutant WNK4Paracellular fluxPotent antihypertensive agentTight junction proteinsTight junctionsAntihypertensive agentsParacellular ion fluxPharmacologic propertiesTight junction structureTranscellular transportersWild-type WNK4Normal physiologyHypertensionTransepithelial resistanceWNK signalingKidney epitheliumTight junction formationParacellular pathwayWNK4Effect of WNK4EpitheliumType IIWNK4 kinaseHomeostasis
2003
Hsp27 associates with actin and limits injury in energy depleted renal epithelia.
Van Why SK, Mann AS, Ardito T, Thulin G, Ferris S, Macleod MA, Kashgarian M, Siegel NJ. Hsp27 associates with actin and limits injury in energy depleted renal epithelia. Journal Of The American Society Of Nephrology 2003, 14: 98-106. PMID: 12506142, DOI: 10.1097/01.asn.0000038687.24289.83.Peer-Reviewed Original ResearchConceptsGreen fluorescence proteinFluorescence energy transferATP depletionF-actinRenal epitheliumSpecific intracellular domainsCellular ATP levelsHsp27 interactionHsp27 associatesIntracellular domainLLC-PK1 cellsFluorescence proteinLateral cell boundariesHuman HSP27Phalloidin fluorescenceActinHSP27K-ATPaseCytoskeletonControl cellsATP levelsEnergy depletionCell bodiesG cellsCells
1998
Heat-shock protein 25 induction and redistribution during actin reorganization after renal ischemia
Aufricht C, Ardito T, Thulin G, Kashgarian M, Siegel N, Van Why S. Heat-shock protein 25 induction and redistribution during actin reorganization after renal ischemia. American Journal Of Physiology 1998, 274: f215-f222. PMID: 9458842, DOI: 10.1152/ajprenal.1998.274.1.f215.Peer-Reviewed Original ResearchConceptsHSP-25Renal ischemiaHeat shock protein 25Ischemic renal injuryH reflowRat renal cortexControl proximal tubulesRenal injuryPostischemic recoveryRenal cortexIschemiaProximal tubulesIntracytoplasmic accumulationPeak levelsHeat shock proteinsProtein 25Actin stainingInsoluble cytoskeletal fractionPunctate accumulationsCytoskeletal disruptionSmall heat shock proteinsRegulatory roleInductionIntracellular distributionCytoskeletal fraction
1991
Redistribution of cellular energy following renal ischemia
Gaudio K, Thulin G, Ardito T, Kashgarian M, Siegel N. Redistribution of cellular energy following renal ischemia. Pediatric Nephrology 1991, 5: 591-596. PMID: 1911145, DOI: 10.1007/bf00856647.Peer-Reviewed Original Research