2024
Heterogeneous gene expression during early arteriovenous fistula remodeling suggests that downregulation of metabolism predicts adaptive venous remodeling
Ohashi Y, Protack C, Aoyagi Y, Gonzalez L, Thaxton C, Zhang W, Kano M, Bai H, Yatsula B, Alves R, Hoshina K, Schneider E, Long X, Perry R, Dardik A. Heterogeneous gene expression during early arteriovenous fistula remodeling suggests that downregulation of metabolism predicts adaptive venous remodeling. Scientific Reports 2024, 14: 13287. PMID: 38858395, PMCID: PMC11164895, DOI: 10.1038/s41598-024-64075-8.Peer-Reviewed Original ResearchConceptsGene expression patternsArteriovenous fistula groupArteriovenous fistulaExpression patternsHeterogeneous gene expressionGene expression changesOutcomes of arteriovenous fistulaVenous remodelingArteriovenous fistula maturationPostoperative day 7Reduce patient morbidityRNA sequencingUpregulation of metabolismBioinformatics analysisGene expressionDownregulation of metabolismMetabolic pathwaysExpression changesGenesAVF maturationAVF remodelingFistula creationC57BL/6 miceClinical outcomesPatient morbidityDisturbed flow in the juxta-anastomotic area of an arteriovenous fistula correlates with endothelial loss, acute thrombus formation, and neointimal hyperplasia
Bai H, Varsanik M, Thaxton C, Ohashi Y, Gonzalez L, Zhang W, Aoyagi Y, Kano M, Yatsula B, Li Z, Pocivavsek L, Dardik A. Disturbed flow in the juxta-anastomotic area of an arteriovenous fistula correlates with endothelial loss, acute thrombus formation, and neointimal hyperplasia. AJP Heart And Circulatory Physiology 2024, 326: h1446-h1461. PMID: 38578237, PMCID: PMC11380968, DOI: 10.1152/ajpheart.00054.2024.Peer-Reviewed Original ResearchConceptsEndothelial cell lossOutflow veinChronic kidney diseaseJuxta-anastomotic areaMouse AVF modelNeointimal hyperplasiaThrombus formationAcute thrombus formationCell lossHuman AVF maturationGene OntologyAVF maturationAVF patencyEarly thrombus formationArteriovenous fistulaC57BL/6 miceClinical failureWistar ratsEndothelial lossKidney diseaseImmune responseEndothelial cellsHyperplasiaMiceAVF
2023
Sex hormones impact early maturation and immune response in the arteriovenous fistula mouse model
Satam K, Ohashi Y, Thaxton C, Gonzalez L, Setia O, Bai H, Aoyagi Y, Xie Y, Zhang W, Yatsula B, Martin K, Cai Y, Dardik A. Sex hormones impact early maturation and immune response in the arteriovenous fistula mouse model. AJP Heart And Circulatory Physiology 2023, 325: h77-h88. PMID: 37145957, PMCID: PMC10243550, DOI: 10.1152/ajpheart.00049.2023.Peer-Reviewed Original ResearchConceptsIntact female miceAVF maturationSex hormonesT cellsFemale miceArteriovenous fistulaMale miceMouse modelHigher IL-10Arteriovenous fistula creationImmune cell recruitmentSex-specific therapiesHormone receptor signalingSex differencesHuman AVF maturationAVF surgeryMale patientsClinical outcomesFemale patientsFistula maturationIL-10C57BL/6 miceInferior outcomesVenous adaptationFistula creation
2022
Endothelial Cell TGF-β (Transforming Growth Factor-Beta) Signaling Regulates Venous Adaptive Remodeling to Improve Arteriovenous Fistula Patency
Taniguchi R, Ohashi Y, Lee JS, Hu H, Gonzalez L, Zhang W, Langford J, Matsubara Y, Yatsula B, Tellides G, Fahmy TM, Hoshina K, Dardik A. Endothelial Cell TGF-β (Transforming Growth Factor-Beta) Signaling Regulates Venous Adaptive Remodeling to Improve Arteriovenous Fistula Patency. Arteriosclerosis Thrombosis And Vascular Biology 2022, 42: 868-883. PMID: 35510552, PMCID: PMC9233042, DOI: 10.1161/atvbaha.122.317676.Peer-Reviewed Original ResearchConceptsArteriovenous fistulaSMC proliferationAVF patencyCollagen densityMouse aortocaval fistula modelTGF-β receptor IArteriovenous fistula patencyAortocaval fistula modelInhibition of TGFPredetermined time pointsTGF-β inhibitionTGF-β signalingTGF-β receptorDisruption of TGFFistula patencyAVF failureWall thicknessVascular accessVenous remodelingSuccessful hemodialysisDoppler ultrasoundFistula modelReceptor IPatencyTGF
2021
Inhibition of T-Cells by Cyclosporine A Reduces Macrophage Accumulation to Regulate Venous Adaptive Remodeling and Increase Arteriovenous Fistula Maturation
Matsubara Y, Kiwan G, Liu J, Gonzalez L, Langford J, Gao M, Gao X, Taniguchi R, Yatsula B, Furuyama T, Matsumoto T, Komori K, Dardik A. Inhibition of T-Cells by Cyclosporine A Reduces Macrophage Accumulation to Regulate Venous Adaptive Remodeling and Increase Arteriovenous Fistula Maturation. Arteriosclerosis Thrombosis And Vascular Biology 2021, 41: e160-e174. PMID: 33472405, PMCID: PMC7904667, DOI: 10.1161/atvbaha.120.315875.Peer-Reviewed Original ResearchConceptsVascular wall thickeningT helper type 1 (Th1) cellsSuccessful AVF maturationAVF maturationRegulatory T cellsMacrophage accumulationT cellsType 1 cellsArteriovenous fistulaVenous remodelingWall thickeningMouse aortocaval fistula modelT helper type 2T helper type 2 cellsAdaptive remodelingM2 macrophage accumulationPrimary success rateAortocaval fistula modelArteriovenous fistula maturationPreferred vascular accessAnti-inflammatory macrophagesT cell functionWild-type miceEffect of CsAType 2 cells
2020
Induced pluripotent stem cell-derived smooth muscle cells increase angiogenesis and accelerate diabetic wound healing
Gorecka J, Gao X, Fereydooni A, Dash BC, Luo J, Lee SR, Taniguchi R, Hsia HC, Qyang Y, Dardik A. Induced pluripotent stem cell-derived smooth muscle cells increase angiogenesis and accelerate diabetic wound healing. Regenerative Medicine 2020, 15: 1277-1293. PMID: 32228292, PMCID: PMC7304438, DOI: 10.2217/rme-2019-0086.Peer-Reviewed Original ResearchConceptsSmooth muscle cellsMuscle cellsDiabetic wound healingWound healingPro-angiogenic cytokinesMurine AdiposeStem cellsType macrophagesCollagen scaffoldsCultured mediumM2-type macrophagesCellsNumber of totalNew candidatesAngiogenesisNude miceDiabetic woundsPromising new candidateScaffoldsHealingCytokinesExpressionSecreteWoundsAdipose
1993
Protein secretion by the mouse blastocyst: Stimulatory effect on secretion into the blastocoel by transforming growth factor‐α
Dardik A, Doherty A, Schultz R. Protein secretion by the mouse blastocyst: Stimulatory effect on secretion into the blastocoel by transforming growth factor‐α. Molecular Reproduction And Development 1993, 34: 396-401. PMID: 8385965, DOI: 10.1002/mrd.1080340408.Peer-Reviewed Original ResearchConceptsTGF-alphaMouse preimplantation developmentGel electrophoretic analysisPreimplantation developmentApical mediumMouse blastocystsProtein secretionBlastocoelAdditional functionsElectrophoretic analysisProteinZona pellucidaStimulatory effectGrowth factorSecretionMarked stimulationPresent studyMarked differencesBlastocystsPellucida
1992
Colocalization of transforming growth factor-α and a functional epidermal growth factor receptor (EGFR) to the inner cell mass and preferential localization of the EGFR on the basolateral surface of the trophectoderm in the mouse blastocyst
Dardik A, Smith R, Schultz R. Colocalization of transforming growth factor-α and a functional epidermal growth factor receptor (EGFR) to the inner cell mass and preferential localization of the EGFR on the basolateral surface of the trophectoderm in the mouse blastocyst. Developmental Biology 1992, 154: 396-409. PMID: 1426645, DOI: 10.1016/0012-1606(92)90078-u.Peer-Reviewed Original ResearchConceptsEpidermal growth factor receptorFunctional epidermal growth factor receptorTGF-alphaAnti-EGFR antibodiesGrowth factor receptorParacrine roleBasolateral surfaceInner cell massCell massPotential autocrineMouse blastocystsGrowth factorFactor receptorImmunoelectron microscopy studiesReceptorsBlastocyst developmentTE cellsOvernight cultureEGF treatmentPolar trophectodermEGF receptorMouse preimplantation embryosBlastocystsAcid-insoluble materialEGFChanges in camp phosphodiesterase activity and cAMP concentration during mouse preimplantation development
Dardik A, Schultz R. Changes in camp phosphodiesterase activity and cAMP concentration during mouse preimplantation development. Molecular Reproduction And Development 1992, 32: 349-353. PMID: 1323307, DOI: 10.1002/mrd.1080320407.Peer-Reviewed Original ResearchConceptsTGF-alpha/EGFMid-blastocyst stageBlastocoel expansionBlastocyst stageMouse preimplantation developmentMouse preimplantation embryosTGF-alphaPreimplantation developmentCAMP concentrationCell shapePreimplantation embryosElevation of cAMPCell typesPhosphodiesterase activityEmbryo volumeIntracellular volumeEmbryosCAMP levelsEGF
1991
Protein Secretion by the Mouse Blastocyst: Differences in the Polypeptide Composition Secreted into the Blastocoel and Medium1
Dardik A, Schultz R. Protein Secretion by the Mouse Blastocyst: Differences in the Polypeptide Composition Secreted into the Blastocoel and Medium1. Biology Of Reproduction 1991, 45: 328-333. PMID: 1786298, DOI: 10.1095/biolreprod45.2.328.Peer-Reviewed Original ResearchConceptsInner cell mass developmentInner cell massMost polypeptidesMouse blastocystsProtein secretionTotal protein synthesisPolypeptide compositionProtein synthesisBlastocoelProtein microenvironmentProteinElectrophoretic profilesCell massMass developmentPotential functionRelative amountsTrophectodermPolypeptideRelative enrichmentBlastocystsMicroenvironmentEnrichment