George Tellides, MD, PhD
Professor of Surgery (Cardiac)Cards
About
Titles
Professor of Surgery (Cardiac)
Chief of Cardiothoracic Surgery, Veterans Affairs Medical Center
Biography
George Tellides, MD, PhD, earned his medical degree from the University of Witwatersrand, Johannesburg, and his PhD from the University of Oxford. Dr. Tellidies is dedicated to saving and improving the lives of patients with cardiac disease and heart failure and concentrates his clinical practice at the Veterans Affairs Medical Center, West Haven, CT.
Appointments
Cardiac Surgery
ProfessorPrimary
Other Departments & Organizations
- Cardiac Surgery
- Investigative Medicine Program
- NIH T32 Program
- Nuclear & Stress Testing
- Surgery
- Vascular Biology and Therapeutics Program
- Yale Ventures
Education & Training
- Chief Resident
- Harvard Medical School, Brigham and Women's Hospital, Boston, MA (1995)
- Resident
- Brigham and Women's Hospital and Children'sHospital, Harvard Medical School, Boston, MA (1994)
- Chief Resident
- Yale School of Medicine, Yale-New Haven Hospital, New Haven, CT (1993)
- Resident
- Yale School of Medicine, Yale-New Haven Hospital, New Haven, CT (1992)
- PhD
- University of Oxford (1988)
- Research Fellow
- John Radcliffe Hospital, University of Oxford, Oxford, England (1988)
- MD
- University of Witwatersrand (1983)
- Intern
- Johannesburg Hospital, University of the Witwatersrand Medical School, Johannesburg, South Africa
Board Certifications
Thoracic Surgery
- Certification Organization
- AB of Thoracic Surgery
- Original Certification Date
- 1996
Surgery
- Certification Organization
- AB of Surgery
- Original Certification Date
- 1994
Research
Publications
2024
Endothelial TGF-β Signaling Regulates Endothelial-Mesenchymal Transition During Arteriovenous Fistula Remodeling in Mice With Chronic Kidney Disease
Zhang W, Gonzalez L, Li X, Bai H, Li Z, Taniguchi R, Langford J, Ohashi Y, Thaxton C, Aoyagi Y, Yatsula B, Martin K, Goodwin J, Tellides G, Long X, Shu C, Dardik A. Endothelial TGF-β Signaling Regulates Endothelial-Mesenchymal Transition During Arteriovenous Fistula Remodeling in Mice With Chronic Kidney Disease. Arteriosclerosis Thrombosis And Vascular Biology 2024, 44: 2509-2526. PMID: 39297205, PMCID: PMC11593991, DOI: 10.1161/atvbaha.124.320933.Peer-Reviewed Original ResearchChronic kidney diseaseTGF-b signalingArteriovenous fistula patencyArteriovenous fistulaKidney diseaseAVF patencyEndothelial cellsAssociated with endothelial injuryArteriovenous fistula diameterImprove AVF patencyIncreased outward remodelingReduced patencyInduced endothelial-to-mesenchymal transitionAortocaval fistula modelSmooth muscle cell proliferationArteriovenous fistula failureAttenuated EndMTEnd-stage kidney diseaseHuman arteriovenous fistulaeSmooth muscle cellsMuscle cell proliferationEndothelial-to-mesenchymal transitionMouse endothelial cellsInhibition of EndMTEndothelial-mesenchymal transitionStiffening of the human proximal pulmonary artery with increasing age
Manning E, Mishall P, Ramachandra A, Hassab A, Lamy J, Peters D, Murphy T, Heerdt P, Singh I, Downie S, Choudhary G, Tellides G, Humphrey J. Stiffening of the human proximal pulmonary artery with increasing age. Physiological Reports 2024, 12: e16090. PMID: 38884325, PMCID: PMC11181131, DOI: 10.14814/phy2.16090.Peer-Reviewed Original ResearchConceptsProximal pulmonary arteriesPulmonary arteryAge-related stiffeningRight ventricular ejection fractionVentricular ejection fractionMean wall thicknessEjection fractionNo significant differenceSystemic circulationLuminal caliberDiffusing capacityArterial stiffeningIncreasing ageSignificant differenceDistensionArteryWall thicknessAdverse effectsWall strainVessel diameterCyclic biaxial strainOrgan donorsAgeMicrostructural remodelingDe Novo Elastin Assembly Alleviates Development of Supravalvular Aortic Stenosis—Brief Report
Ellis M, Riaz M, Huang Y, Anderson C, Hoareau M, Li X, Luo H, Lee S, Park J, Luo J, Batty L, Huang Q, Lopez C, Reinhardt D, Tellides G, Qyang Y. De Novo Elastin Assembly Alleviates Development of Supravalvular Aortic Stenosis—Brief Report. Arteriosclerosis Thrombosis And Vascular Biology 2024, 44: 1674-1682. PMID: 38752350, PMCID: PMC11209776, DOI: 10.1161/atvbaha.124.320790.Peer-Reviewed Original ResearchSupravalvular aortic stenosisVascular smooth muscle cellsSmooth muscle cellsMuscle cellsAortic stenosisMedial vascular smooth muscle cellsVascular proliferative diseasesEpigallocatechin gallate treatmentProliferative abnormalitiesPreclinical findingsHeart failureLuminal occlusionMouse modelCell hyperproliferationDefective elastinProliferative diseasesCardiovascular disordersFormation of elastinTherapeutic interventionsElastin assemblyElastin depositionStenosisMiceAortic mechanicsImproper formationMultiscale computational model of aortic remodeling following postnatal disruption of TGFβ signaling
Estrada A, Irons L, Tellides G, Humphrey J. Multiscale computational model of aortic remodeling following postnatal disruption of TGFβ signaling. Journal Of Biomechanics 2024, 169: 112152. PMID: 38763809, PMCID: PMC11141772, DOI: 10.1016/j.jbiomech.2024.112152.Peer-Reviewed Original ResearchAdult aortaTGFB signalingSmooth muscle cellsAortic remodelingCardiac-inducedMouse modelNormal mechanical loadingMuscle cellsPostnatal developmentHemodynamic loadNormal loadAortaMechanical homeostasisMechanical loadingMultiscale computational modelIncreasing loadLoadCell signalingGene productsStructural integrityIntimomedial tears of the aorta heal by smooth muscle cell-mediated fibrosis without atherosclerosis
Hassab A, Hur D, Vallabhajosyula P, Tellides G, Assi R. Intimomedial tears of the aorta heal by smooth muscle cell-mediated fibrosis without atherosclerosis. JCI Insight 2024, 9: e172437. PMID: 38592807, PMCID: PMC11141924, DOI: 10.1172/jci.insight.172437.Peer-Reviewed Original ResearchConceptsDepartment of SurgerySmooth muscle cellsCellular response to injuryResponse to injuryImmunofluorescence confocal microscopyVessel wall repairPrimary lesionAscending aortaConduit functionAneurysmal diseaseDense fibrosisRadiological signsMural hematomaTear progressionMuscle cellsNon-hemorrhagicErythrocyte extravasationWall repairAortaTear completionInduce atherosclerosisHealed lesionsScattered leukocytesMinimal injuryConclusionThese findings
2023
Multiscale insights into postnatal aortic development
Rego B, Murtada S, Li G, Tellides G, Humphrey J. Multiscale insights into postnatal aortic development. Biomechanics And Modeling In Mechanobiology 2023, 23: 687-701. PMID: 38151614, PMCID: PMC11419831, DOI: 10.1007/s10237-023-01800-8.Peer-Reviewed Original ResearchAuthor Correction: A ZFYVE21-Rubicon-RNF34 signaling complex promotes endosome-associated inflammasome activity in endothelial cells
Li X, Jiang Q, Song G, Barkestani M, Wang Q, Wang S, Fan M, Fang C, Jiang B, Johnson J, Geirsson A, Tellides G, Pober J, Jane-wit D. Author Correction: A ZFYVE21-Rubicon-RNF34 signaling complex promotes endosome-associated inflammasome activity in endothelial cells. Nature Communications 2023, 14: 8404. PMID: 38110370, PMCID: PMC10728129, DOI: 10.1038/s41467-023-44225-8.Peer-Reviewed Original ResearchHedgehog costimulation during ischemia-reperfusion injury potentiates cytokine and homing responses of CD4+ T cells
Wang S, Song G, Barkestani M, Tobiasova Z, Wang Q, Jiang Q, Lopez R, Adelekan-Kamara Y, Fan M, Pober J, Tellides G, Jane-wit D. Hedgehog costimulation during ischemia-reperfusion injury potentiates cytokine and homing responses of CD4+ T cells. Frontiers In Immunology 2023, 14: 1248027. PMID: 37915586, PMCID: PMC10616247, DOI: 10.3389/fimmu.2023.1248027.Peer-Reviewed Original ResearchConceptsIschemia-reperfusion injuryHuman skin xenograftsSkin xenograftsT cellsPolyfunctional cytokine responsesSolid organ transplantationT cell subsetsResponse of CD4Expression of ICOST cell populationsHumanized mouse modelPeripheral helper cellsAllograft lossIL-21PD-1Reperfusion injuryCytokine responsesVascular inflammationPolyclonal expansionHelper cellsOrgan transplantationMouse modelClinical problemCostimulatory signalsDistinct subsetsRecruited macrophages elicit atrial fibrillation
Hulsmans M, Schloss M, Lee I, Bapat A, Iwamoto Y, Vinegoni C, Paccalet A, Yamazoe M, Grune J, Pabel S, Momin N, Seung H, Kumowski N, Pulous F, Keller D, Bening C, Green U, Lennerz J, Mitchell R, Lewis A, Casadei B, Iborra-Egea O, Bayes-Genis A, Sossalla S, Ong C, Pierson R, Aster J, Rohde D, Wojtkiewicz G, Weissleder R, Swirski F, Tellides G, Tolis G, Melnitchouk S, Milan D, Ellinor P, Naxerova K, Nahrendorf M. Recruited macrophages elicit atrial fibrillation. Science 2023, 381: 231-239. PMID: 37440641, PMCID: PMC10448807, DOI: 10.1126/science.abq3061.Peer-Reviewed Original ResearchConceptsAtrial fibrillationStromal cellsMitral valve regurgitationHeart failureValve regurgitationInflammatory monocytesMacrophage expansionMonocyte migrationMouse atriaFibrillationHuman atriumAtriumCell-cell interaction analysisSingle-cell transcriptomesMiceCell compositionHypertensionTranscriptome changesImmunotherapySPP1CellsRegurgitationObesityPatientsArrhythmiasAcetate controls endothelial-to-mesenchymal transition
Zhu X, Wang Y, Soaita I, Lee H, Bae H, Boutagy N, Bostwick A, Zhang R, Bowman C, Xu Y, Trefely S, Chen Y, Qin L, Sessa W, Tellides G, Jang C, Snyder N, Yu L, Arany Z, Simons M. Acetate controls endothelial-to-mesenchymal transition. Cell Metabolism 2023, 35: 1163-1178.e10. PMID: 37327791, PMCID: PMC10529701, DOI: 10.1016/j.cmet.2023.05.010.Peer-Reviewed Original ResearchConceptsTGF-β signalingChronic vascular diseaseTGF-β receptor ALK5Mesenchymal transitionInduction of EndMTVascular diseaseMolecular basisPositive feedback loopReceptor ALK5Cellular levelSMADs 2Novel targetEndMT inductionMetabolic modulationMetabolic basisFibrotic stateSignalingPotential treatmentEndMTTGFDiseaseActivationInductionACSS2PDK4
News
News
- September 20, 2024
What Gets Lost When Autopsies Aren’t Done? Not Just Cause of Death
- March 11, 2024
Engineering a Heart Conduit: New $2M NIH Grant for Yale Research
- May 12, 2023
Targeting Fibronectin-integrin α5 Signaling in Marfan Syndrome
- July 27, 2022
Uncovering New Approaches to a Common Inherited Heart Disorder