2022
mTOR inhibition prevents angiotensin II–induced aortic rupture and pseudoaneurysm but promotes dissection in Apoe-deficient mice
He C, Jiang B, Wang M, Ren P, Murtada SI, Caulk AW, Li G, Qin L, Assi R, Lovoulos CJ, Schwartz MA, Humphrey JD, Tellides G. mTOR inhibition prevents angiotensin II–induced aortic rupture and pseudoaneurysm but promotes dissection in Apoe-deficient mice. JCI Insight 2022, 7: e155815. PMID: 35132962, PMCID: PMC8855820, DOI: 10.1172/jci.insight.155815.Peer-Reviewed Original ResearchConceptsApoE-deficient miceAngiotensin IIVascular wall cellsAortic tearAortic ruptureMTOR inhibitionSmooth muscle cell hypertrophyMatricellular proteinWall cellsSuprarenal abdominal aortaMuscle cell hypertrophyExtracellular matrix accumulationInhibition of mTORRole of mTORSubadventitial hematomaFree ruptureAortic dissectionAortic diseaseAortic aneurysmSignificant dissectionAbdominal aortaHemorrhagic lesionsExtensive dissectionMetalloproteinase expressionCell hypertrophy
2017
CD44 Promotes Inflammation and Extracellular Matrix Production During Arteriovenous Fistula Maturation
Kuwahara G, Hashimoto T, Tsuneki M, Yamamoto K, Assi R, Foster TR, Hanisch JJ, Bai H, Hu H, Protack CD, Hall MR, Schardt JS, Jay SM, Madri JA, Kodama S, Dardik A. CD44 Promotes Inflammation and Extracellular Matrix Production During Arteriovenous Fistula Maturation. Arteriosclerosis Thrombosis And Vascular Biology 2017, 37: 1147-1156. PMID: 28450292, PMCID: PMC5467640, DOI: 10.1161/atvbaha.117.309385.Peer-Reviewed Original ResearchConceptsExtracellular matrix depositionKnockout miceExtracellular matrix componentsExtracellular matrix productionMatrix depositionAdhesion molecule-1 expressionM2 macrophagesProtein 1Matrix productionCell adhesion molecule-1 expressionMolecule-1 expressionProtein expressionMatrix componentsCD44 knockout miceProtein-1 expressionMajor receptorCD44 activityMaturationVascular cell adhesion molecule-1 expressionAdhesion moleculesExpressionCD44 mRNAChemoattractant protein-1 expressionWild-type C57BL/6JArteriovenous fistula
2014
Temporal Regulation of venous Extracellular Matrix Components during Arteriovenous Fistula Maturation
Hall MR, Yamamoto K, Protack CD, Tsuneki M, Kuwahara G, Assi R, Brownson KE, Bai H, Madri JA, Dardik A. Temporal Regulation of venous Extracellular Matrix Components during Arteriovenous Fistula Maturation. The Journal Of Vascular Access 2014, 16: 93-106. PMID: 25262757, PMCID: PMC4405006, DOI: 10.5301/jva.5000290.Peer-Reviewed Original ResearchConceptsExtracellular matrix componentsTemporal regulationECM componentsStructural proteinsMatrix componentsGene microarray analysisMatrix metalloproteinasesRegulatory proteinsMicroarray analysisNon-collagenous proteinsDistinct temporal patternsECM degradationTemporal patternsProteinProtein expressionElastin expressionExpressionMaturationOsteopontin expressionProtease inhibitorsHuman AVF maturationRegulationTissue inhibitorDays of maturationMetalloproteinase-1