2024
Disturbed 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
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 cells