Mineralocorticoid Receptor Phosphorylation Regulates Ligand Binding and Renal Response to Volume Depletion and Hyperkalemia
Shibata S, Rinehart J, Zhang J, Moeckel G, Castañeda-Bueno M, Stiegler AL, Boggon TJ, Gamba G, Lifton RP. Mineralocorticoid Receptor Phosphorylation Regulates Ligand Binding and Renal Response to Volume Depletion and Hyperkalemia. Cell Metabolism 2013, 18: 660-671. PMID: 24206662, PMCID: PMC3909709, DOI: 10.1016/j.cmet.2013.10.005.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAngiotensin IIAnimalsChlorocebus aethiopsCOS CellsCytoplasmElectrolytesHumansHyperkalemiaKidneyLigandsMiceMolecular Sequence DataPhosphoprotein PhosphatasesPhosphorylationPhosphoserinePotassium, DietaryProtein Serine-Threonine KinasesProtein TransportRatsReceptors, MineralocorticoidSignal TransductionTranscriptional ActivationConceptsVolume depletionMineralocorticoid receptorAldosterone-dependent increaseHormone receptor activityNuclear hormone receptor activityMR activationRenal responseDistinct adaptive responsesAngiotensin IIDistal nephronCl reabsorptionHyperkalemiaMR ligand-binding domainReceptor activityApical proton pumpPlasma volumeReceptor bindingHomeostatic responseNuclear receptorsReceptor phosphorylationAldosterone stimulates fibronectin synthesis in renal fibroblasts through mineralocorticoid receptor-dependent and independent mechanisms
Chen D, Chen Z, Park C, Centrella M, McCarthy T, Chen L, Al-Omari A, Moeckel GW. Aldosterone stimulates fibronectin synthesis in renal fibroblasts through mineralocorticoid receptor-dependent and independent mechanisms. Gene 2013, 531: 23-30. PMID: 23994292, DOI: 10.1016/j.gene.2013.08.047.Peer-Reviewed Original ResearchConceptsProgression of fibrosisFibronectin synthesisChronic kidney diseaseC-Jun NH2-terminal protein kinaseMineralocorticoid hormone aldosteroneKidney fibroblast cell lineTranscription factor c-JunExtracellular signal-regulated kinaseReceptor-dependent activationSignal-regulated kinaseDependent signaling pathwaysKidney injuryInterstitial fibrosisKidney diseaseMineralocorticoid receptorHormone aldosteroneAldosteroneRenal fibroblastsAnimal modelsProtein kinaseFibroblast cell lineFibronectin expressionKidneyFibrosisSubsequent phosphorylation