Featured Publications
Mineralocorticoid and Estrogen Receptors in Endothelial Cells Coordinately Regulate Microvascular Function in Obese Female Mice
Biwer L, Carvajal B, Lu Q, Man J, Jaffe I. Mineralocorticoid and Estrogen Receptors in Endothelial Cells Coordinately Regulate Microvascular Function in Obese Female Mice. Hypertension 2021, 77: 2117-2126. PMID: 33934622, PMCID: PMC8119365, DOI: 10.1161/hypertensionaha.120.16911.Peer-Reviewed Original ResearchEndothelial calreticulin deletion impairs endothelial function in aged mice
Biwer L, Askew-Page H, Hong K, Milstein J, Johnstone S, Macal E, Good M, Bagher P, Sonkusare S, Isakson B. Endothelial calreticulin deletion impairs endothelial function in aged mice. AJP Heart And Circulatory Physiology 2020, 318: h1041-h1048. PMID: 32196361, PMCID: PMC7346539, DOI: 10.1152/ajpheart.00586.2019.Peer-Reviewed Original ResearchConceptsVascular functionTauroursodeoxycholic acidMesenteric arteryAged miceCalcium signalsImpaired endothelial-dependent vasodilationThird-order mesenteric arteriesEndothelial cellsEndothelial-dependent vasodilationIncubation of arteriesImpairs endothelial functionSmall resistance arteriesMultifunctional calcium binding proteinER stress inhibitor tauroursodeoxycholic acidWk of ageEndoplasmic reticulum stressPE constrictionEndothelial functionVasodilatory functionResistance arteriesCalcium binding proteinAgonist carbacholClinical trialsMuscarinic stimulationVasodilationLoss of Endothelial FTO Antagonizes Obesity-Induced Metabolic and Vascular Dysfunction
Krüger N, Biwer L, Good M, Ruddiman C, Wolpe A, DeLalio L, Murphy S, Macal E, Ragolia L, Serbulea V, Best A, Leitinger N, Harris T, Sonkusare S, Gödecke A, Isakson B. Loss of Endothelial FTO Antagonizes Obesity-Induced Metabolic and Vascular Dysfunction. Circulation Research 2019, 126: 232-242. PMID: 31801409, PMCID: PMC7007767, DOI: 10.1161/circresaha.119.315531.Peer-Reviewed Original ResearchConceptsMyogenic toneProstaglandin DResistance arteriesDeficient miceHigh-fat diet-induced glucose intoleranceDiet-induced glucose intoleranceObesity-induced hypertensionImpact of obesityPrevalence of obesityNew treatment optionsDevelopment of obesityHigh-fat dietRegulation of obesityDifferent cell typesCell typesGlucose intoleranceVascular alterationsVascular changesVascular dysfunctionControl miceInsulin resistanceTreatment optionsCardiovascular diseaseObesityArtery
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 function
2015
Endothelial nitric oxide synthase in the microcirculation
Shu X, Keller T, Begandt D, Butcher J, Biwer L, Keller A, Columbus L, Isakson B. Endothelial nitric oxide synthase in the microcirculation. Cellular And Molecular Life Sciences 2015, 72: 4561-4575. PMID: 26390975, PMCID: PMC4628887, DOI: 10.1007/s00018-015-2021-0.Peer-Reviewed Original ResearchConceptsEndothelial nitric oxide synthaseNitric oxide synthaseOxide synthaseAnti-inflammatory mediatorsRegulation of eNOSRed blood cellsMicrovascular effectsVessel toneImmune responsePharmacological agentsENOS enzymeNitric oxideBlood cellsNO actionKey moleculesENOSVariety of effectsPhysiological roleCellsVasodilatorsSynthaseMicrocirculation
2014
Regulation of Cellular Communication by Signaling Microdomains in the Blood Vessel Wall
Billaud M, Lohman A, Johnstone S, Biwer L, Mutchler S, Isakson B. Regulation of Cellular Communication by Signaling Microdomains in the Blood Vessel Wall. Pharmacological Reviews 2014, 66: 513-569. PMID: 24671377, PMCID: PMC3973613, DOI: 10.1124/pr.112.007351.Peer-Reviewed Original ResearchConceptsCellular communicationAccumulation of proteinsMechanism of exocytosisSignaling microdomainProper vascular functionPlasma membraneBlood vessel wallCell typesIon channelsMicrodomainsGap junctionsOxygen speciesPotassium channelsVon Willebrand factorPlethora of meansRegulationSpecific regionsEssential componentVessel wall functionWillebrand factorParacrine releaseImportant roleVessel wallExocytosisEndothelium-derived hyperpolarization