2022
Inhibition of renalase drives tumour rejection by promoting T cell activation
Guo X, Jessel S, Qu R, Kluger Y, Chen TM, Hollander L, Safirstein R, Nelson B, Cha C, Bosenberg M, Jilaveanu LB, Rimm D, Rothlin CV, Kluger HM, Desir GV. Inhibition of renalase drives tumour rejection by promoting T cell activation. European Journal Of Cancer 2022, 165: 81-96. PMID: 35219026, PMCID: PMC8940682, DOI: 10.1016/j.ejca.2022.01.002.Peer-Reviewed Original ResearchConceptsPD-1 inhibitorsMurine melanoma modelMelanoma-bearing miceMelanoma modelTumor microenvironmentTumor rejectionCell death protein 1 (PD-1) inhibitorsAnti-PD-1 activityEnhanced T cell infiltrationT cell-dependent fashionMelanoma cellsMelanoma tumor regressionPreclinical melanoma modelsT cell infiltrationNatural killer cellsForkhead box P3Expression of IFNγWild-type miceProtein 1 inhibitorT cell activationTumor cell contentWild-type melanoma cellsCD4 cellsAdvanced melanomaAntibody treatment
2015
Identification of a Receptor for Extracellular Renalase
Wang L, Velazquez H, Chang J, Safirstein R, Desir GV. Identification of a Receptor for Extracellular Renalase. PLOS ONE 2015, 10: e0122932. PMID: 25906147, PMCID: PMC4407985, DOI: 10.1371/journal.pone.0122932.Peer-Reviewed Original ResearchMeSH KeywordsAcute Kidney InjuryCell LineCytoprotectionDown-RegulationEpidermal Growth FactorEssential HypertensionHumansHypertensionMitogen-Activated Protein KinasesMonoamine OxidasePlasma Membrane Calcium-Transporting ATPasesPolymorphism, Single NucleotideProtein Interaction Domains and MotifsSignal TransductionConceptsAcute kidney injuryIntrinsic enzymatic activityMAPK signalingExtracellular renalaseHuman proximal tubular cell line HK-2Enzymatic activitySingle nucleotide gene polymorphismsAcute ischemic kidneyWild-type miceProtein-protein interactionsPlasma membrane ATPaseKidney injuryIschemic kidneyEssential hypertensionIschemic injuryCardiac injuryPMCA4b expressionRecombinant renalaseEpidermal growth factorType miceCardiac hypertrophyHK-2Control studyGene polymorphismsCell signaling
2014
Renalase regulates peripheral and central dopaminergic activities
Quelhas-Santos J, Serrão MP, Soares-Silva I, Fernandes-Cerqueira C, Simões-Silva L, Pinho MJ, Remião F, Sampaio-Maia B, Desir GV, Pestana M. Renalase regulates peripheral and central dopaminergic activities. American Journal Of Physiology. Renal Physiology 2014, 308: f84-f91. PMID: 25411385, PMCID: PMC4338928, DOI: 10.1152/ajprenal.00274.2014.Peer-Reviewed Original ResearchConceptsKO miceUrinary excretionPlasma levelsDopaminergic activityIncreased Plasma LevelsPeripheral dopaminergic activityUrine catecholamine levelsRenal dopaminergic systemCentral dopaminergic activityL-type amino acid transporterWild-type miceAmino acid decarboxylase activityKnockout mouse modelRenalase deficiencyCatecholamine levelsDA outputUrinary dopamineAADC activityDopaminergic systemRenal cortexMouse modelDOPA ratioVivo administrationOverexpression of LAT1Amino acid transportersRenalase Prevents AKI Independent of Amine Oxidase Activity
Wang L, Velazquez H, Moeckel G, Chang J, Ham A, Lee HT, Safirstein R, Desir GV. Renalase Prevents AKI Independent of Amine Oxidase Activity. Journal Of The American Society Of Nephrology 2014, 25: 1226-1235. PMID: 24511138, PMCID: PMC4033373, DOI: 10.1681/asn.2013060665.Peer-Reviewed Original ResearchConceptsIschemic injuryCatecholamine levelsRecombinant renalaseAmine oxidase activityHuman proximal tubular cellsCisplatin-induced AKITreatment of AKIWild-type miceHK-2 cellsProximal tubular cellsOxidase activityKidney injuryRenal injuryC-Jun N-terminal kinaseExtracellular signal-regulated kinaseP38 mitogen-activated protein kinaseToxic injuryRenalase proteinTubular cellsSignal-regulated kinaseIntracellular signaling cascadesRenalaseInjuryMitogen-activated protein kinaseN-terminal kinase
2013
Renalase regulates renal dopamine and phosphate metabolism
Sizova D, Velazquez H, Sampaio-Maia B, Quelhas-Santos J, Pestana M, Desir GV. Renalase regulates renal dopamine and phosphate metabolism. American Journal Of Physiology. Renal Physiology 2013, 305: f839-f844. PMID: 23863468, PMCID: PMC3761288, DOI: 10.1152/ajprenal.00616.2012.Peer-Reviewed Original ResearchConceptsRenal DA synthesisKO micePO4 excretionDA synthesisSodium-phosphate cotransporter Npt2aCatecholamine-degrading enzymeIntrinsic renal defectRenal dopamine synthesisWild-type miceKO mice showKnockout mouse modelDopa excretionRenalase deficiencySevere hypophosphatemiaRenal dopamineSerum PO4Urinary dopaminePhosphate excretionRegular dietDietary phosphateDopamine synthesisMouse modelMice showCompensatory increaseRenal defectsRenalase Protects against Ischemic AKI
Lee HT, Kim JY, Kim M, Wang P, Tang L, Baroni S, D’Agati V, Desir GV. Renalase Protects against Ischemic AKI. Journal Of The American Society Of Nephrology 2013, 24: 445-455. PMID: 23393318, PMCID: PMC3582209, DOI: 10.1681/asn.2012090943.Peer-Reviewed Original ResearchMeSH KeywordsAcute Kidney InjuryAdrenergic alpha-AntagonistsAnimalsApoptosisGene ExpressionHumansInflammation MediatorsIschemiaKidney Tubular Necrosis, AcuteMacrophagesMaleMiceMice, Inbred C57BLMice, KnockoutMonoamine OxidaseNeutrophil InfiltrationNorepinephrinePhentolamineRecombinant ProteinsReperfusion InjuryRNA, MessengerConceptsRenal ischemia-reperfusion injuryIschemia-reperfusion injuryIschemic AKIWild-type miceReperfusion injuryCatecholamine levelsRenal tubular inflammationTreatment of AKIRenal ischemia reperfusionSham-operated micePlasma catecholamine levelsRenal tubular necrosisRecombinant human renalasePlasma renalaseTubular inflammationTubular necrosisIschemia reperfusionNE levelsPlasma catecholaminesMyocardial necrosisInflammatory responseProximal tubulesAKIRenalaseMice
2010
Renalase deficiency aggravates ischemic myocardial damage
Wu Y, Xu J, Velazquez H, Wang P, Li G, Liu D, Sampaio-Maia B, Quelhas-Santos J, Russell K, Russell R, Flavell RA, Pestana M, Giordano F, Desir GV. Renalase deficiency aggravates ischemic myocardial damage. Kidney International 2010, 79: 853-860. PMID: 21178975, DOI: 10.1038/ki.2010.488.Peer-Reviewed Original ResearchConceptsChronic kidney diseaseWild-type miceRenalase deficiencyKnockout micePlasma blood urea nitrogenLevels of renalaseMild ventricular hypertrophyRenalase knockout mouseNormal systolic functionTraditional risk factorsPlasma catecholamine levelsIschemic myocardial damageBlood urea nitrogenCardiac complicationsCardiovascular complicationsSystolic functionVentricular hypertrophyCardioprotective effectsCatecholamine levelsKidney diseaseMyocardial damageMyocardial necrosisRecombinant renalaseRisk factorsCardiac ischemia