2017
Endothelial APLNR regulates tissue fatty acid uptake and is essential for apelin’s glucose-lowering effects
Hwangbo C, Wu J, Papangeli I, Adachi T, Sharma B, Park S, Zhao L, Ju H, Go GW, Cui G, Inayathullah M, Job JK, Rajadas J, Kwei SL, Li MO, Morrison AR, Quertermous T, Mani A, Red-Horse K, Chun HJ. Endothelial APLNR regulates tissue fatty acid uptake and is essential for apelin’s glucose-lowering effects. Science Translational Medicine 2017, 9 PMID: 28904225, PMCID: PMC5703224, DOI: 10.1126/scitranslmed.aad4000.Peer-Reviewed Original ResearchConceptsGlucose-lowering effectImpaired glucose utilizationForkhead box protein O1Glucose utilizationType 2 diabetes mellitusEndothelial cellsApelin/APLNRSkeletal muscleTissue fatty acid uptakeType 2 diabetesImportant clinical challengeFatty acid uptakeEndothelial-specific deletionBox protein O1FABP4 inhibitionCardiovascular outcomesPeptide apelinDiabetes mellitusGlucose loweringFatty acidsInsulin sensitivityEndothelial expressionClinical challengeFABP4 expressionMetabolic disorders
2016
MicroRNA 139-5p coordinates APLNR-CXCR4 crosstalk during vascular maturation
Papangeli I, Kim J, Maier I, Park S, Lee A, Kang Y, Tanaka K, Khan OF, Ju H, Kojima Y, Red-Horse K, Anderson DG, Siekmann AF, Chun HJ. MicroRNA 139-5p coordinates APLNR-CXCR4 crosstalk during vascular maturation. Nature Communications 2016, 7: 11268. PMID: 27068353, PMCID: PMC4832062, DOI: 10.1038/ncomms11268.Peer-Reviewed Original ResearchConceptsRetinal vascular defectsMiR-139-5pG protein-coupled receptorsVascular defectsGPCR crosstalkProtein-coupled receptorsVascular developmentCXCR4 expressionCXCR4 axisCXCR4 signalingDownstream signaling cascadesVascular phenotypePharmacological inhibitionVascular maturationDeficient stateApelinAPLNRLigand-receptor pairsSignaling cascadesInhibitionCXCR4MiceReceptors
2013
Apelin-APJ Signaling Is a Critical Regulator of Endothelial MEF2 Activation in Cardiovascular Development
Kang Y, Kim J, Anderson JP, Wu J, Gleim SR, Kundu RK, McLean DL, Kim JD, Park H, Jin SW, Hwa J, Quertermous T, Chun HJ. Apelin-APJ Signaling Is a Critical Regulator of Endothelial MEF2 Activation in Cardiovascular Development. Circulation Research 2013, 113: 22-31. PMID: 23603510, PMCID: PMC3739451, DOI: 10.1161/circresaha.113.301324.Peer-Reviewed Original ResearchMeSH KeywordsActive Transport, Cell NucleusAdipokinesAnimalsApelinApelin ReceptorsCardiovascular AbnormalitiesCardiovascular SystemEndocardiumEndothelium, VascularFemaleFetal HeartGene Expression Regulation, DevelopmentalGenes, LethalGTP-Binding Protein alpha Subunits, G12-G13Histone DeacetylasesIntercellular Signaling Peptides and ProteinsKruppel-Like Transcription FactorsMaleMEF2 Transcription FactorsMiceMice, Inbred C57BLMice, KnockoutMyogenic Regulatory FactorsPhosphorylationProtein Processing, Post-TranslationalReceptors, G-Protein-CoupledSignal TransductionTranscription, GeneticConceptsCardiovascular developmentVentricular wall developmentMyocyte enhancer factor 2Embryonic lethal phenotypeCardiovascular developmental defectsFactor 2Apelin-APJHistone deacetylase 4MEF2 functionModel organismsLethal phenotypeEmbryonic lethalityTranscriptional targetsMEF2 activationKrüppel-like factor 2Wall developmentHDAC5 phosphorylationCushion formationNuclear localizationVascular smooth muscle cellsEndothelial cellsDevelopmental defectsMolecular mechanismsCritical regulatorLigand apelin