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
2021
PD-L1 (Programmed Death Ligand 1) Regulates T-Cell Differentiation to Control Adaptive Venous Remodeling
Matsubara Y, Gonzalez L, Kiwan G, Liu J, Langford J, Gao M, Gao X, Taniguchi R, Yatsula B, Furuyama T, Matsumoto T, Komori K, Mori M, Dardik A. PD-L1 (Programmed Death Ligand 1) Regulates T-Cell Differentiation to Control Adaptive Venous Remodeling. Arteriosclerosis Thrombosis And Vascular Biology 2021, 41: 2909-2922. PMID: 34670406, PMCID: PMC8664128, DOI: 10.1161/atvbaha.121.316380.Peer-Reviewed Original ResearchConceptsPD-L1AVF maturationPD-L1 activityVenous remodelingT cellsL1 antibodyArteriovenous fistulaNude miceMouse aortocaval fistula modelEnd-stage renal diseaseT helper type 2 cellsT helper type 1 (Th1) cellsPrimary success rateSmooth muscle cell proliferationRegulatory T cellsT cell activityT-cell transferAortocaval fistula modelPreferred vascular accessVascular wall thickeningM1-type macrophagesM2-type macrophagesPotential therapeutic targetMuscle cell proliferationType 1 cellsInhibition 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 stressAltered hemodynamics during arteriovenous fistula remodeling leads to reduced fistula patency in female mice
Kudze T, Ono S, Fereydooni A, Gonzalez L, Isaji T, Hu H, Yatsula B, Taniguchi R, Koizumi J, Nishibe T, Dardik A. Altered hemodynamics during arteriovenous fistula remodeling leads to reduced fistula patency in female mice. JVS Vascular Science 2020, 1: 42-56. PMID: 32754721, PMCID: PMC7402599, DOI: 10.1016/j.jvssci.2020.03.001.Peer-Reviewed Original ResearchInfrarenal inferior vena cavaArteriovenous fistulaFemale miceMale miceHuman AVF maturationAVF maturationAVF patencyVascular cell adhesion molecule-1Superior long-term outcomesEndothelial nitric oxide synthaseCell adhesion molecule-1Male C57BL/6 miceLong-term outcomesInferior vena cavaNitric oxide synthaseAdhesion molecule-1Krüppel-like factor 2Significant differencesSex-specific differential expressionMessenger RNAAVF remodelingAVF utilizationFistula utilizationAortocaval fistulaFistula patency