2024
Stiffening 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 remodelingRemodeling of Murine Branch Pulmonary Arteries Under Chronic Hypoxia and Short-Term Normoxic Recovery.
Ramachandra A, Jiang B, Jennings I, Manning E, Humphrey J. Remodeling of Murine Branch Pulmonary Arteries Under Chronic Hypoxia and Short-Term Normoxic Recovery. Journal Of Biomechanical Engineering 2024, 146 PMID: 38421341, DOI: 10.1115/1.4064967.Peer-Reviewed Original ResearchWeeks of hypoxiaBranch pulmonary arteriesWeeks of normoxic recoveryPulmonary arteryEndothelial cell responsesSmooth muscleChronic hypoxiaNormoxic recoveryPulmonary arterial remodelingCell responsesProximal pulmonary arteriesLongitudinal changesHypoxia-induced changesC57BL/6J micePulmonary pathologyThin collagen fibersArterial remodelingBiaxial mechanicsCircumferential stressEnergy storageNormal valuesHypoxiaWeeksVascular adaptationFraction of cytoplasm
2023
Age-related Changes in Structure, Function, and Transcriptomics of the Human Proximal Pulmonary Artery
Manning E, Ramachandra A, Cavinato C, Schupp J, Justet A, Lee P, Heerdt P, Singh I, Murphy T, Gill T, Tellides G, Kaminski N, Humphrey J. Age-related Changes in Structure, Function, and Transcriptomics of the Human Proximal Pulmonary Artery. 2023, a4656-a4656. DOI: 10.1164/ajrccm-conference.2023.207.1_meetingabstracts.a4656.Peer-Reviewed Original ResearchPulmonary Hypertension-related Changes in Structure and Function of the Human Proximal Pulmonary Artery
Manning E, Ramachandra A, Cavinato C, Lee P, Heerdt P, Singh I, Tellides G, Kaminski N, Humphrey J. Pulmonary Hypertension-related Changes in Structure and Function of the Human Proximal Pulmonary Artery. 2023, a6133-a6133. DOI: 10.1164/ajrccm-conference.2023.207.1_meetingabstracts.a6133.Peer-Reviewed Original Research
2022
Compromised Cardiopulmonary Function in Fibulin-5 Deficient Mice.
Ramachandra AB, Mikush N, Sauler M, Humphrey JD, Manning EP. Compromised Cardiopulmonary Function in Fibulin-5 Deficient Mice. Journal Of Biomechanical Engineering 2022, 144 PMID: 35171214, PMCID: PMC8990734, DOI: 10.1115/1.4053873.Peer-Reviewed Original ResearchConceptsRight heart functionDeficient micePulmonary arteryHeart functionCompromised right ventricular functionFibulin-5 deficient micePulmonary arterial structureRight ventricular functionVentilation-perfusion relationshipsElastic fiber contentElastic fibersFiber dysfunctionLung compliancePulmonary healthVentricular functionCardiopulmonary functionAlveolar disruptionPulmonary pathologyLung parenchymaMurine modelMouse modelArterial structureHistological quantificationElastic laminaRight circulation
2021
Mechanisms of Hypoxia-Induced Pulmonary Arterial Stiffening in Mice Revealed by a Functional Genetics Assay of Structural, Functional, and Transcriptomic Data
Manning EP, Ramachandra AB, Schupp JC, Cavinato C, Raredon MSB, Bärnthaler T, Cosme C, Singh I, Tellides G, Kaminski N, Humphrey JD. Mechanisms of Hypoxia-Induced Pulmonary Arterial Stiffening in Mice Revealed by a Functional Genetics Assay of Structural, Functional, and Transcriptomic Data. Frontiers In Physiology 2021, 12: 726253. PMID: 34594238, PMCID: PMC8478173, DOI: 10.3389/fphys.2021.726253.Peer-Reviewed Original ResearchPulmonary arteryAdult male C57BL/6J miceElevated pulmonary arterial pressureChronic cardiopulmonary conditionsPulmonary arterial pressureMale C57BL/6J miceElastic pulmonary arteriesArterial pulse wave velocityPulse wave velocityPotential therapeutic targetPulmonary arterial stiffeningSmooth muscle cell phenotypeMuscle cell phenotypeSpecific transcriptomic changesArterial pressureArterial stiffeningHypoxic miceCardiopulmonary conditionsPulmonary circulationC57BL/6J miceSustained hypoxiaTherapeutic targetClinical importanceEndothelial proliferationArtery