1995
Lung epithelial Na channel subunits are differentially regulated during development and by steroids
Tchepichev S, Ueda J, Canessa C, Rossier B, O'Brodovich H. Lung epithelial Na channel subunits are differentially regulated during development and by steroids. American Journal Of Physiology 1995, 269: c805-c812. PMID: 7573414, DOI: 10.1152/ajpcell.1995.269.3.c805.Peer-Reviewed Original ResearchConceptsThyroid-releasing hormoneDays gestationFirst weekGamma-rENaC mRNANormal rat fetusesAlpha-rENaCMRNA levelsNa channelsNormal rat pupsEpithelial Na channelLate fetal gestationExpression of alphaCorticosteroid therapyCorticosteroid resistanceLung's abilityPregnant ratsRat pupsAdult ratsFetal lungRat fetusesPostnatal patternGlucocorticosteroid levelsFetal gestationGestationExpression correlates
1994
Membrane topology of the epithelial sodium channel in intact cells
Canessa C, Merillat A, Rossier B. Membrane topology of the epithelial sodium channel in intact cells. American Journal Of Physiology 1994, 267: c1682-c1690. PMID: 7810611, DOI: 10.1152/ajpcell.1994.267.6.c1682.Peer-Reviewed Original ResearchConceptsLarge hydrophilic loopHydrophilic loopIntact cellsMembrane topologyEpithelial sodium channelPutative transmembrane domainsStop-transfer signalAmiloride-sensitive epithelial sodium channelCell-free translation assaysShort NH2Transmembrane domainMembrane insertionHomologous subunitsXenopus laevis oocytesTranslation assaysSodium channelsGlycosylation sitesCOOH terminusCytoplasmic sideFunctional expressionTerminal endSubunitsHydrophilic NH2Laevis oocytesAlpha-rENaCAn SH3 binding region in the epithelial Na+ channel (alpha rENaC) mediates its localization at the apical membrane.
Rotin D, Bar‐Sagi D, O'Brodovich H, Merilainen J, Lehto V, Canessa C, Rossier B, Downey G. An SH3 binding region in the epithelial Na+ channel (alpha rENaC) mediates its localization at the apical membrane. The EMBO Journal 1994, 13: 4440-4450. PMID: 7925286, PMCID: PMC395375, DOI: 10.1002/j.1460-2075.1994.tb06766.x.Peer-Reviewed Original ResearchConceptsC-terminal regionAlpha-spectrinSH3 domainCytoskeletal interactionsFusion proteinTerminal proline-rich regionAlpha-rENaCApical membranePolarized epithelial cellsProline-rich sequenceN-terminal proteinProline-rich regionEpithelial cellsApical membrane localizationCytoskeletal protein ankyrinProper channel functionPrimary rat alveolar epithelial cellsEpithelial cell lysatesMembrane localizationRat alveolar epithelial cellsProtein ankyrinApical localizationPlasma membraneRecombinant fusion proteinMolecular mechanisms
1993
Expression of the epithelial Na+ channel in the developing rat lung
O'Brodovich H, Canessa C, Ueda J, Rafii B, Rossier B, Edelson J. Expression of the epithelial Na+ channel in the developing rat lung. American Journal Of Physiology 1993, 265: c491-c496. PMID: 7690185, DOI: 10.1152/ajpcell.1993.265.2.c491.Peer-Reviewed Original ResearchConceptsFetal lungAlveolar epitheliumRat lungAdult lungThyroid-releasing hormoneRat colonic epitheliumAlpha-rENaCWhole rat lungRat whole kidneyCombined administrationPregnant ratsImmature lungLung alphaAlveolar spaceColonic epitheliumLower mRNA levelsWhole kidneyLungSaccular stageLung developmentAdult alveolar epitheliumPrimary culturesDays GAEpitheliumMRNA levels