Featured Publications
Non–Endoplasmic Reticulum–Based Calr (Calreticulin) Can Coordinate Heterocellular Calcium Signaling and Vascular Function
Biwer L, Good M, Hong K, Patel R, Agrawal N, Looft-Wilson R, Sonkusare S, Isakson B. Non–Endoplasmic Reticulum–Based Calr (Calreticulin) Can Coordinate Heterocellular Calcium Signaling and Vascular Function. Arteriosclerosis Thrombosis And Vascular Biology 2017, 38: 120-130. PMID: 29122814, PMCID: PMC5746467, DOI: 10.1161/atvbaha.117.309886.Peer-Reviewed Original ResearchConceptsThird-order mesenteric arteriesBlood pressureMesenteric arteryVascular functionCalcium signalingIEL holesApplication of CChMyoendothelial junctionsCalcium eventsER calciumSmooth muscle cellsInternal elastic laminaVascular reactivityResistance arteriesSmall arteriesSame arteryKnockout miceArteryΔ miceElastic laminaMuscle cellsEndoplasmic reticulum calciumMiceCALRCalcium signals
2021
A venous-specific purinergic signaling cascade initiated by Pannexin 1 regulates TNFα-induced increases in endothelial permeability
Maier-Begandt D, Comstra H, Molina S, Krüger N, Ruddiman C, Chen Y, Chen X, Biwer L, Johnstone S, Lohman A, Good M, DeLalio L, Hong K, Bacon H, Yan Z, Sonkusare S, Koval M, Isakson B. A venous-specific purinergic signaling cascade initiated by Pannexin 1 regulates TNFα-induced increases in endothelial permeability. Science Signaling 2021, 14 PMID: 33653920, PMCID: PMC8011850, DOI: 10.1126/scisignal.aba2940.Peer-Reviewed Original ResearchConceptsRNA expression profilingHydrolysis of ATPPannexin-1 channelsExpression profilingArterial endothelial cellsEndothelial cellsArterial endotheliumVenous endothelial cellsBarrier functionProtein analysisLung vascular permeabilityPannexin-1Claudin compositionBarrier function impairmentProinflammatory cytokine TNFαEndothelial cell barrierTargetable pathwaysMurine veinCecal ligationCell barrierFunction impairmentInflammatory insultLife spanDeficient miceVascular leak
2018
Vascular Mineralocorticoid Receptor: Evolutionary Mediator of Wound Healing Turned Harmful by Our Modern Lifestyle
Biwer L, Wallingford M, Jaffe I. Vascular Mineralocorticoid Receptor: Evolutionary Mediator of Wound Healing Turned Harmful by Our Modern Lifestyle. American Journal Of Hypertension 2018, 32: 123-134. PMID: 30380007, PMCID: PMC6331708, DOI: 10.1093/ajh/hpy158.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCardiovascular DiseasesDiet, High-FatEndothelial CellsEndothelium, VascularEvolution, MolecularHemodynamicsHumansLife StyleMuscle, Smooth, VascularMyocytes, Smooth MuscleReceptors, MineralocorticoidRisk FactorsSedentary BehaviorSignal TransductionSodium, DietaryVascular RemodelingWound HealingConceptsVascular mineralocorticoid receptorMineralocorticoid receptorActivation of MRDiffuse vascular damageMechanical vascular injuryHigh sodium dietBlood pressure maintenanceVascular tone regulationSmooth muscle cellsSodium dietBlood pressureMR activationVascular damagePhysical inactivityVascular injuryAdvanced ageTone regulationCardiovascular diseaseVascular remodelingSurvival advantageElectrolyte homeostasisVascular wallMuscle cellsModern lifestyleMR functionEndothelial cell α-globin and its molecular chaperone α-hemoglobin–stabilizing protein regulate arteriolar contractility
Lechauve C, Butcher J, Freiwan A, Biwer L, Keith J, Good M, Ackerman H, Tillman H, Kiger L, Isakson B, Weiss M. Endothelial cell α-globin and its molecular chaperone α-hemoglobin–stabilizing protein regulate arteriolar contractility. Journal Of Clinical Investigation 2018, 128: 5073-5082. PMID: 30295646, PMCID: PMC6205378, DOI: 10.1172/jci99933.Peer-Reviewed Original Research
2017
A Cell Culture Model of Resistance Arteries.
Biwer L, Lechauve C, Vanhoose S, Weiss M, Isakson B. A Cell Culture Model of Resistance Arteries. Journal Of Visualized Experiments 2017 PMID: 28930992, PMCID: PMC5752193, DOI: 10.3791/55992.Peer-Reviewed Original ResearchMeSH KeywordsArteriesCell Culture TechniquesCoculture TechniquesEndothelial CellsHumansMyocytes, Smooth MuscleVascular ResistanceConceptsCell culture modelCell typesMyoendothelial junctionsEndothelial cell polarizationPlating of cellsIntact cell layerDifferent cell typesSignaling microdomainCulture modelSpecific proteinsCell polarizationPhysiological relevanceActivity assaysProtein isolationSmooth muscle cellsVascular cellsMuscle cellsImmunofluorescent analysisIntact resistance arteriesProteinCellsMuscle fractionsIsolationCell layerVCCC
2016
Two functionally distinct pools of eNOS in endothelium are facilitated by myoendothelial junction lipid composition
Biwer L, Taddeo E, Kenwood B, Hoehn K, Straub A, Isakson B. Two functionally distinct pools of eNOS in endothelium are facilitated by myoendothelial junction lipid composition. Biochimica Et Biophysica Acta 2016, 1861: 671-679. PMID: 27106139, PMCID: PMC4869716, DOI: 10.1016/j.bbalip.2016.04.014.Peer-Reviewed Original ResearchMeSH KeywordsBiological TransportBradykininCalciumCalcium SignalingCell CommunicationCoculture TechniquesCyclic GMPDiglyceridesEgtazic AcidEndoplasmic ReticulumEndothelial CellsGap JunctionsGene Expression RegulationHumansInositol 1,4,5-TrisphosphateMacrocyclic CompoundsMyocytes, Smooth MuscleNitric Oxide Synthase Type IIIOxazolesPhenylephrinePhosphatidylserinesPhosphorylationPrimary Cell CultureProtein Kinase CProtein Kinase InhibitorsThapsigargin