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
2019
ARHGAP18: A Flow‐Responsive Gene That Regulates Endothelial Cell Alignment and Protects Against Atherosclerosis
Lay AJ, Coleman PR, Formaz‐Preston A, Ting KK, Roediger B, Weninger W, Schwartz MA, Vadas MA, Gamble JR. ARHGAP18: A Flow‐Responsive Gene That Regulates Endothelial Cell Alignment and Protects Against Atherosclerosis. Journal Of The American Heart Association 2019, 8: e010057. PMID: 30630384, PMCID: PMC6497359, DOI: 10.1161/jaha.118.010057.Peer-Reviewed Original ResearchConceptsApolipoprotein EHigh-fat diet-induced modelIntercellular adhesion molecule-1Endothelial nitric oxide synthaseHigh-fat dietDevelopment of atherosclerosisNitric oxide synthaseDiet-induced modelAdhesion molecule-1Double mutant miceAortic diseaseAtherosclerosis developmentInflammatory phenotypeOxide synthaseMolecule-1AtherosclerosisEarly onsetProtective genesMiceFlow-responsive genesAtheroprotective regionsEndothelial cell alignmentAdaptive responseAnalysis of ECEC ability
2015
Role of Mechanotransduction in Vascular Biology
Humphrey JD, Schwartz MA, Tellides G, Milewicz DM. Role of Mechanotransduction in Vascular Biology. Circulation Research 2015, 116: 1448-1461. PMID: 25858068, PMCID: PMC4420625, DOI: 10.1161/circresaha.114.304936.Peer-Reviewed Original ResearchConceptsExtracellular matrixRole of mechanotransductionExtracellular matrix constituentsActomyosin filamentsMembrane receptorsDysfunctional mechanosensingVascular biologyAortic aneurysmNew therapeutic strategiesContractile proteinsThoracic aortic aneurysmIntramural cellsCellsMechanobiological processesMatrix constituentsAcute dissectionAortic cellsAortic diseaseMechanosensingTherapeutic strategiesHemodynamic loadGenesProgressive enlargementReceptorsMechanoregulation