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
TGFβ (Transforming Growth Factor-Beta)–Activated Kinase 1 Regulates Arteriovenous Fistula Maturation
Hu H, Lee SR, Bai H, Guo J, Hashimoto T, Isaji T, Guo X, Wang T, Wolf K, Liu S, Ono S, Yatsula B, Dardik A. TGFβ (Transforming Growth Factor-Beta)–Activated Kinase 1 Regulates Arteriovenous Fistula Maturation. Arteriosclerosis Thrombosis And Vascular Biology 2020, 40: e203-e213. PMID: 32460580, PMCID: PMC7316601, DOI: 10.1161/atvbaha.119.313848.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAortaArteriovenous Shunt, SurgicalCells, CulturedCollagen Type IEndothelial CellsFibronectinsHumansJNK Mitogen-Activated Protein KinasesMaleMAP Kinase Kinase KinasesMechanotransduction, CellularMice, Inbred C57BLP38 Mitogen-Activated Protein KinasesPhosphorylationStress, MechanicalVascular PatencyVascular RemodelingVena Cava, InferiorConceptsArteriovenous fistulaAVF maturationNoncanonical TGFβSuccessful AVF maturationArteriovenous fistula maturationNovel therapeutic approachesTAK1 functionsFistula maturationHemodialysis accessDeposition of ECMLuminal diameterMouse endothelial cellsMaturation failureTherapeutic approachesLumen dilationControl veinsWall thickeningAVF modelOptimal conduitArterial magnitudesEndothelial cellsTAK1 phosphorylationCollagen 1Growth factorLaminar shear stress