2024
Early thrombus formation is required of eccentric and heterogenous neointimal hyperplasia under disturbed flow
Bai H, Li Z, Zhang W, Thaxton C, Ohashi Y, Gonzalez L, Kano M, Yatsula B, Hwa J, Dardik A. Early thrombus formation is required of eccentric and heterogenous neointimal hyperplasia under disturbed flow. Journal Of Thrombosis And Haemostasis 2024 PMID: 39173878, DOI: 10.1016/j.jtha.2024.07.028.Peer-Reviewed Original ResearchEndothelial cell lossArteriovenous fistulaSmooth muscle cellsNeointimal hyperplasiaHeterogeneous neointimaCell lossThrombus formationMT/mG reporter miceHuman arteriovenous fistulaeInhibit neointimal hyperplasiaEarly thrombus formationAntiplatelet therapyC57BL/6 miceReporter miceAVF failureWistar ratsVenous systemJuxta-anastomotic areaMuscle cellsAnimal modelsVenous outflowEarly thrombusEndothelial cellsArterial inflowThrombusHeterogeneous 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 morbidityAbstract 1130: Tenascin-C In Arteriovenous Fistula Failure: Unraveling Venous Remodeling Dynamics
Gonzalez L, Zhang W, Ohashi Y, Vazquez-Padron R, Dardik A. Abstract 1130: Tenascin-C In Arteriovenous Fistula Failure: Unraveling Venous Remodeling Dynamics. Arteriosclerosis Thrombosis And Vascular Biology 2024, 44 DOI: 10.1161/atvb.44.suppl_1.1130.Peer-Reviewed Original ResearchHuman dermal microvascular endothelial cellsInferior vena cavaThrombomodulin expressionTNC expressionPost-AVF creationWild-type C57BL/6 miceMale wild-type C57BL/6 miceOne-year patency rateDecreased thrombomodulin expressionIncreased thrombomodulin expressionArteriovenous fistula failureTenascin-CSites of tissue injuryTranslational therapeutic strategiesDermal microvascular endothelial cellsNF-kB expressionMicrovascular endothelial cellsAVF patencyVena cavaAVF creationSham surgeryC57BL/6 miceFistula failureAVF failureSuperior patencyDisturbed 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