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 morbidityAbstract 3092: Smooth Muscle Cell Tgf-β Receptor Knockout Improves Arteriovenous Fistula Maturation Via Attenuation Of Autophagy
Zhang W, Bai H, Gonzalez L, Li Z, Ohashi Y, Thaxton C, aoyagi Y, Yatsula B, Kano M, Xie Y, Cai Y, Chang S, Dardik A. Abstract 3092: Smooth Muscle Cell Tgf-β Receptor Knockout Improves Arteriovenous Fistula Maturation Via Attenuation Of Autophagy. Arteriosclerosis Thrombosis And Vascular Biology 2024, 44 DOI: 10.1161/atvb.44.suppl_1.3092.Peer-Reviewed Original ResearchChronic kidney diseaseSmooth muscle cellsEnd-stage renal diseaseArteriovenous fistulaHuman arteriovenous fistulaeControl miceC57BL/6J miceCKD showRate of primary failureBasilic vein transpositionTGF-bModel of arteriovenous fistulaTGF-b1 expressionArteriovenous fistula failureArteriovenous fistula maturationWild type miceControl C57BL/6J miceIncreased markers of autophagyTGF-b signalingVein transpositionAortocaval fistulaAVF maturationReceptor knockoutMT/mG miceSham nephrectomyDisturbed 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, 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 cellsHyperplasiaMiceAVFA central arteriovenous fistula reduces systemic hypertension in a mouse model
Brahmandam A, Alves R, Liu H, Gonzalez L, Aoyagi Y, Ohashi Y, Langford J, Thaxton C, Taniguchi R, Zhang W, Bai H, Yatsula B, Dardik A. A central arteriovenous fistula reduces systemic hypertension in a mouse model. JVS Vascular Science 2024, 5: 100191. PMID: 38510938, PMCID: PMC10951512, DOI: 10.1016/j.jvssci.2024.100191.Peer-Reviewed Original ResearchCentral arteriovenous fistulaArteriovenous fistulaBlood pressureAng IISystemic hypertensionVenous remodelingArteriovenous fistula creationPCNA-positive cellsPostoperative day 7Systemic blood pressureSystolic blood pressureCollagen I depositionNormotensive miceRefractory hypertensionHypertensive miceC57BL6/J miceHypertensive environmentTreated patientsAngiotensin IIMouse modelDay 7HypertensionMiceFistulaAng