2024
Estimated exposure to endotoxin and circulating immunological markers among male farmers in the Biomarkers of Exposure and Effect in Agriculture study
Ezennia S, Freeman L, Chang V, Xie S, Sandler D, Andreotti G, Parks C, Friesen M, Hofmann J. Estimated exposure to endotoxin and circulating immunological markers among male farmers in the Biomarkers of Exposure and Effect in Agriculture study. Occupational And Environmental Medicine 2024, 81: 635-638. PMID: 39746796, PMCID: PMC11821429, DOI: 10.1136/oemed-2024-109646.Peer-Reviewed Original ResearchConceptsExposure to endotoxinImmune markersAssociated with reduced lung cancer riskEndotoxin exposureEstimated geometric mean ratiosCirculating immune markersMacrophage-derived chemokine/CCL22Reduced risk of lung cancerLevels of fibroblast growth factor-2Decreased levelsMultiplex bead-based assayRisk of lung cancerExposure-response mannerExposed to endotoxinAssociated with increased levelsLung cancer riskFibroblast growth factor-2Immunological alterationsGrowth factor 2Serum levelsImmunological markersSIL-4RLung cancerBead-based assayMultivariate linear regression
2020
Residual endotoxin induces primary graft dysfunction through ischemia-reperfusion-primed alveolar macrophages
Akbarpour M, Lecuona E, Chiu S, Wu Q, Querrey M, Fernandez R, Nunez-Santana F, Sun H, Ravi S, Kurihara C, Walter JM, Joshi N, Ren Z, Roberts SC, Hauser A, Kreisel D, Li W, Chandel N, Misharin AV, Mohanakumar T, Budinger GRS, Bharat A. Residual endotoxin induces primary graft dysfunction through ischemia-reperfusion-primed alveolar macrophages. Journal Of Clinical Investigation 2020, 130: 4456-4469. PMID: 32692317, PMCID: PMC7410086, DOI: 10.1172/jci135838.Peer-Reviewed Original ResearchConceptsTissue-resident alveolar macrophagesPrimary graft dysfunctionHuman donor lungsNeutrophil recruitmentGraft dysfunctionDonor lungsBacterial pneumoniaAlveolar macrophagesBone marrow chimeric miceDonor lung injuryActivation of TLR4Blockade of TLR4MyD88-dependent mannerResidual endotoxinCoreceptor CD14Lung transplantationLung injuryNeutrophil infiltrationFatal syndromeSuccessful treatmentMouse modelChimeric miceBacterial endotoxinTLR4Endotoxin
2019
Effects of Endotoxin on Type 3 Inositol 1,4,5‐Trisphosphate Receptor in Human Cholangiocytes
Franca A, Filho A, Guerra MT, Weerachayaphorn J, dos Santos M, Njei B, Robert M, Lima C, Vidigal P, Banales JM, Ananthanarayanan M, Leite MF, Nathanson MH. Effects of Endotoxin on Type 3 Inositol 1,4,5‐Trisphosphate Receptor in Human Cholangiocytes. Hepatology 2019, 69: 817-830. PMID: 30141207, PMCID: PMC6351171, DOI: 10.1002/hep.30228.Peer-Reviewed Original ResearchConceptsToll-like receptor 4Alcoholic hepatitisEffect of endotoxinBile duct cellsNF-κBInhibition of TLR4Human cholangiocytesStimulation of TLR4Duct cellsSevere alcoholic hepatitisCholestasis of sepsisForms of cholestasisNF-κB subunitsP65/p50Trisphosphate receptorReceptor 4Clinical conditionsBicarbonate secretionHepatocellular changesITPR3 expressionCholestasisType 3 inositolLPS receptorAgonist stimulusSepsis
2018
Deterioration of Regional Lung Strain and Inflammation during Early Lung Injury
Motta-Ribeiro G, Hashimoto S, Winkler T, Baron R, Grogg K, Paula L, Santos A, Zeng C, Hibbert K, Harris R, Bajwa E, Vidal Melo M. Deterioration of Regional Lung Strain and Inflammation during Early Lung Injury. American Journal Of Respiratory And Critical Care Medicine 2018, 198: 891-902. PMID: 29787304, PMCID: PMC6173064, DOI: 10.1164/rccm.201710-2038oc.Peer-Reviewed Original ResearchMeSH KeywordsAcute Lung InjuryAnalysis of VarianceAnimalsBiopsy, NeedleBlood Gas AnalysisDisease Models, AnimalEndotoxemiaEndotoxinsFemaleFluorodeoxyglucose F18HumansImmunohistochemistryInfusions, IntravenousLinear ModelsMultivariate AnalysisPositron-Emission TomographyPulmonary AtelectasisRandom AllocationRespiration, ArtificialRespiratory Distress SyndromeRespiratory Function TestsRisk FactorsSheepTidal VolumeTime FactorsTomography, X-Ray ComputedConceptsLung injurySupine lungConsistent with clinical practiceBlood volumeF-FDG phosphorylation rateLocal neutrophilic inflammationAssociated with increased inflammationF-FDG uptakeEarly mechanical ventilationClinical practiceEarly lung injuryPositive end-expiratory pressureLung strainEnd-expiratory pressurePositron emission tomographyF-FDGUninjured lungsImaging findingsRegional inflammationNeutrophilic inflammationSystemic endotoxemiaProne positionComputed tomographyVentilated patientsIntravenous endotoxinDigoxin Suppresses Pyruvate Kinase M2-Promoted HIF-1α Transactivation in Steatohepatitis
Ouyang X, Han SN, Zhang JY, Dioletis E, Nemeth BT, Pacher P, Feng D, Bataller R, Cabezas J, Stärkel P, Caballeria J, Pongratz RL, Cai SY, Schnabl B, Hoque R, Chen Y, Yang WH, Garcia-Martinez I, Wang FS, Gao B, Torok NJ, Kibbey RG, Mehal WZ. Digoxin Suppresses Pyruvate Kinase M2-Promoted HIF-1α Transactivation in Steatohepatitis. Cell Metabolism 2018, 27: 339-350.e3. PMID: 29414684, PMCID: PMC5806149, DOI: 10.1016/j.cmet.2018.01.007.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCell NucleusChromatinDigoxinDisease Models, AnimalEndotoxinsHistonesHumansHypoxia-Inducible Factor 1, alpha SubunitInflammationLiverNon-alcoholic Fatty Liver DiseaseOxidation-ReductionProtein BindingPyruvate KinaseTHP-1 CellsTranscription, GeneticTranscriptional ActivationConceptsHIF-1α transactivationSterile inflammationHIF-1α pathway activationNon-alcoholic steatohepatitisKinase M2Major clinical consequencesAbility of digoxinLiver inflammationLiver diseasePyruvate kinase M2Clinical consequencesTherapeutic targetInflammationTissue damageHIF-1αPathway activationDigoxinOxidative stressCardiac glycosidesSteatohepatitisDigoxin bindsNovel roleLiverUbiquitous responseActivation
2012
Endotoxin-induced systemic inflammation activates microglia: [11C]PBR28 positron emission tomography in nonhuman primates
Hannestad J, Gallezot JD, Schafbauer T, Lim K, Kloczynski T, Morris ED, Carson RE, Ding YS, Cosgrove KP. Endotoxin-induced systemic inflammation activates microglia: [11C]PBR28 positron emission tomography in nonhuman primates. NeuroImage 2012, 63: 232-239. PMID: 22776451, PMCID: PMC3699786, DOI: 10.1016/j.neuroimage.2012.06.055.Peer-Reviewed Original ResearchConceptsPositron emission tomographySystemic inflammationMultiple sclerosisInterleukin-6Interleukin-8Translocator proteinEndotoxin-induced systemic inflammationLevels of TSPOEmission tomographyTumor necrosis factor alphaSystemic inflammatory processActivation of microgliaSerum IL-1βIL-6 levelsCourse of diseaseEffects of LPSImportant clinical questionsNecrosis factor alphaInterleukin-1 betaNonhuman primate brainE. coli lipopolysaccharideRegional time-activity dataLocal tissue damageTwo-tissue compartmental modelTotal ligand bindingGlucose Metabolism in the Insula and Cingulate Is Affected by Systemic Inflammation in Humans
Hannestad J, Subramanyam K, Dellagioia N, Planeta-Wilson B, Weinzimmer D, Pittman B, Carson RE. Glucose Metabolism in the Insula and Cingulate Is Affected by Systemic Inflammation in Humans. Journal Of Nuclear Medicine 2012, 53: 601-607. PMID: 22414635, PMCID: PMC3717572, DOI: 10.2967/jnumed.111.097014.Peer-Reviewed Original ResearchConceptsNormalized glucose metabolismMontgomery-Åsberg Depression Rating ScalePeak cytokine levelsSystemic inflammationDepression Rating ScaleDepressive symptomsGlucose metabolismCytokine levelsFDG-PETRating ScaleSystemic inflammatory responseCerebral metabolic rateMild depressive symptomsRight anterior cingulateTumor necrosis factorRight anterior insulaSerum levelsInflammatory cytokinesEndotoxin administrationInterleukin-6Inflammatory responseNecrosis factorCingulate subregionsHealthy subjectsInflammation
2011
Effects of endotoxin exposure on childhood asthma risk are modified by a genetic polymorphism in ACAA1
Sordillo JE, Sharma S, Poon A, Lasky-Su J, Belanger K, Milton DK, Bracken MB, Triche EW, Leaderer BP, Gold DR, Litonjua AA. Effects of endotoxin exposure on childhood asthma risk are modified by a genetic polymorphism in ACAA1. BMC Medical Genomics 2011, 12: 158. PMID: 22151743, PMCID: PMC3252252, DOI: 10.1186/1471-2350-12-158.Peer-Reviewed Original ResearchConceptsEndotoxin exposureAsthma riskProtective effectRisk of asthmaGenetic polymorphismsChildhood asthma riskChildhood Asthma StudyInnate immune pathwaysInnate immunity pathwaysAsthma StudyAsthmaConclusionOur findingsImmune pathwaysMinor alleleHome allergensImmunity pathwaysEczemaMajor alleleChildrenEndotoxinExposureRiskSignificant interactionPolymorphismACAA1
2010
Citalopram reduces endotoxin-induced fatigue
Hannestad J, DellaGioia N, Ortiz N, Pittman B, Bhagwagar Z. Citalopram reduces endotoxin-induced fatigue. Brain Behavior And Immunity 2010, 25: 256-259. PMID: 20955776, PMCID: PMC3025065, DOI: 10.1016/j.bbi.2010.10.013.Peer-Reviewed Original ResearchConceptsTumor necrosis factorMADRS total scoreDepressive-like symptomsInterleukin-6Serum levelsImmune responseMontgomery-Åsberg Depression Rating ScaleTotal scorePeripheral immune responseLow-dose endotoxinCross-over studyVisual analog scaleDepression Rating ScaleImmune system activationInnate immune responseInnate immune systemEffect sizeTrait Anxiety InventoryModerate effect sizeAnalog scaleInflammatory cytokinesEndotoxin administrationPreventive treatmentNecrosis factorHealthy subjectsPlacental Viral Infection Sensitizes to Endotoxin‐Induced Pre‐Term Labor: A Double Hit Hypothesis
Cardenas I, Mor G, Aldo P, Lang SM, Stabach P, Sharp A, Romero R, Mazaki‐Tovi S, Gervasi M, Means RE. Placental Viral Infection Sensitizes to Endotoxin‐Induced Pre‐Term Labor: A Double Hit Hypothesis. American Journal Of Reproductive Immunology 2010, 65: 110-117. PMID: 20712808, PMCID: PMC3025809, DOI: 10.1111/j.1600-0897.2010.00908.x.Peer-Reviewed Original ResearchConceptsPre-term labourPre-term deliveryDouble-hit hypothesisViral infectionPregnancy outcomesBacterial infectionsCytokine/chemokine profilesHit hypothesisConcurrent bacterial infectionFetal immune responsePro-inflammatory cytokinesWild-type miceHuman primary trophoblastsMurine gammaherpesvirus 68Fetal deathChemokine profilesPoor prognosisPregnant womenAdverse outcomesPregnant miceLPS treatmentImmune responseBacterial productsPrimary trophoblastsLow doses
2009
Characterization of RAGE, HMGB1, and S100β in Inflammation-Induced Preterm Birth and Fetal Tissue Injury
Buhimschi CS, Baumbusch MA, Dulay AT, Oliver EA, Lee S, Zhao G, Bhandari V, Ehrenkranz RA, Weiner CP, Madri JA, Buhimschi IA. Characterization of RAGE, HMGB1, and S100β in Inflammation-Induced Preterm Birth and Fetal Tissue Injury. American Journal Of Pathology 2009, 175: 958-975. PMID: 19679874, PMCID: PMC2731116, DOI: 10.2353/ajpath.2009.090156.Peer-Reviewed Original ResearchConceptsDamage-associated molecular pattern moleculesMolecular pattern moleculesPreterm birthTissue injuryPattern moleculesInflammation-induced preterm birthBiology of RAGEExpression of RAGERole of RAGERobust inflammatory responseRelease of HMGB1Fetal inflammationFetal injuryFetal circulationFetal damageImmune activationInterleukin-6Inflammatory responseAdvanced glycationAnimal modelsCellular injuryHuman fetusesTissue damageS100 proteinInjuryA critical review of human endotoxin administration as an experimental paradigm of depression
DellaGioia N, Hannestad J. A critical review of human endotoxin administration as an experimental paradigm of depression. Neuroscience & Biobehavioral Reviews 2009, 34: 130-143. PMID: 19666048, PMCID: PMC2795398, DOI: 10.1016/j.neubiorev.2009.07.014.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBrainDepressionDepressive DisorderEndotoxinsHumansInflammationModels, NeurologicalConceptsImmune system activationEndotoxin administrationSystem activationImmune stimuliDepressive symptomsInnate immune system activationElicit depressive symptomsInterferon-alpha treatmentCommon final pathwayPotential molecular pathwaysImmunologic abnormalitiesImmune depressionVaccine administrationInflammatory cytokinesDepression paradigmDepressed patientsFinal pathwaySymptomsDepression researchAdministrationDepressionMolecular pathwaysBehavioral changesActivationRodents
2008
Leaf surface factors of transgenic Bt cotton associated with the feeding behaviors of cotton aphids: A case study on non-target effects
Xue K, Deng S, Wang R, Yan F, Xu C. Leaf surface factors of transgenic Bt cotton associated with the feeding behaviors of cotton aphids: A case study on non-target effects. Science China Life Sciences 2008, 51: 145-156. PMID: 18239893, DOI: 10.1007/s11427-008-0028-6.Peer-Reviewed Original ResearchConceptsNon-Bt cotton lineElectrical penetration graphTransgenic Bt cottonCotton linesBt cottonCotton aphidElectrical penetration graph resultsNon-Bt linesNon-target pestsFeeding behaviorLeaf surface extractsLeaf surface chemicalsCotton plantsNon-target effectsAphis gossypiiLeaf factorsLeaf extractAphidsLeafGlandular trichomesCottonTrichomesFeedingRegression equationChemical analysis
2007
A Critical Role for TLR4 in the Pathogenesis of Necrotizing Enterocolitis by Modulating Intestinal Injury and Repair
Leaphart CL, Cavallo J, Gribar SC, Cetin S, Li J, Branca MF, Dubowski TD, Sodhi CP, Hackam DJ. A Critical Role for TLR4 in the Pathogenesis of Necrotizing Enterocolitis by Modulating Intestinal Injury and Repair. The Journal Of Immunology 2007, 179: 4808-4820. PMID: 17878380, DOI: 10.4049/jimmunol.179.7.4808.Peer-Reviewed Original ResearchConceptsDevelopment of NECNEC developmentTLR4 activationEnterocyte apoptosisEnterocyte migrationTLR4-mutant C3H/HeJ miceC3H/HeOuJ miceC3H/HeJ miceTranslocation of LPSExpression of TLR4Cause of deathMurine intestinal epitheliumFocal adhesion kinaseNEC severityCritical roleIntestinal injuryMucosal injuryPreterm infantsNecrotizing enterocolitisEnterocyte injuryInflamed intestineIntestinal healingGastrointestinal diseasesHeJ miceIntestinal repair
2006
A purified Bacillus thuringiensis crystal protein with therapeutic activity against the hookworm parasite Ancylostoma ceylanicum
Cappello M, Bungiro RD, Harrison LM, Bischof LJ, Griffitts JS, Barrows BD, Aroian RV. A purified Bacillus thuringiensis crystal protein with therapeutic activity against the hookworm parasite Ancylostoma ceylanicum. Proceedings Of The National Academy Of Sciences Of The United States Of America 2006, 103: 15154-15159. PMID: 17005719, PMCID: PMC1622792, DOI: 10.1073/pnas.0607002103.Peer-Reviewed Original ResearchConceptsCry proteinsCrystal proteinsSoil bacterium Bacillus thuringiensisBacterium Bacillus thuringiensisBacillus thuringiensis crystal proteinsBt Cry proteinsVivo anthelminthic activityFree-living nematodesA. ceylanicumLarval development assaysAdult A. ceylanicumGastrointestinal nematodesBacillus thuringiensisParasitic nematodesNematode parasitesVeterinary useCry5BAncylostoma ceylanicumNematodesDevelopment assaysEgg excretionAdult female wormsHuman diseasesWorm burdenPermissive host
2003
Thymulin reverses inflammatory hyperalgesia and modulates the increased concentration of proinflammatory cytokines induced by i.c.v. endotoxin injection
Safieh-Garabedian B, Ochoa-Chaar CI, Poole S, Massaad CA, Atweh SF, Jabbur SJ, Saadé NE. Thymulin reverses inflammatory hyperalgesia and modulates the increased concentration of proinflammatory cytokines induced by i.c.v. endotoxin injection. Neuroscience 2003, 121: 865-873. PMID: 14580936, DOI: 10.1016/s0306-4522(03)00500-1.Peer-Reviewed Original ResearchConceptsCytokine levelsEndotoxin injectionDifferent pain testsInjections of thymulinThymic hormone thymulinPain-related behaviorsAnti-inflammatory actionLevels of cytokinesEffect of pretreatmentInjection of endotoxinDose-dependent mannerIntracerebral inflammationPeak hyperalgesiaInflammatory hyperalgesiaPain testsNeuroprotective roleNociceptive thresholdProinflammatory cytokinesConscious ratsRat modelHyperalgesiaThymulinDifferent dosesSignificant decreaseEndotoxin
2001
Predictors of airborne endotoxin in the home.
Park JH, Spiegelman DL, Gold DR, Burge HA, Milton DK. Predictors of airborne endotoxin in the home. Environmental Health Perspectives 2001, 109: 859-864. PMID: 11564624, PMCID: PMC1240416, DOI: 10.1289/ehp.01109859.Peer-Reviewed Original ResearchMeSH KeywordsAir PollutantsAir Pollution, IndoorAllergensAnimalsAnimals, DomesticAsthmaCatsDogsDustEndotoxinsEnvironmental MonitoringEpidemiological MonitoringHousingHumansHumidityHypersensitivityInfantLongitudinal StudiesMassachusettsMiceModels, StatisticalMultivariate AnalysisPredictive Value of TestsRegression AnalysisSeasonsTobacco Smoke PollutionTGF-β is a critical mediator of acute lung injury
Pittet J, Griffiths M, Geiser T, Kaminski N, Dalton S, Huang X, Brown L, Gotwals P, Koteliansky V, Matthay M, Sheppard D. TGF-β is a critical mediator of acute lung injury. Journal Of Clinical Investigation 2001, 107: 1537-1544. PMID: 11413161, PMCID: PMC200192, DOI: 10.1172/jci11963.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, NeoplasmBleomycinBlood-Air BarrierCells, CulturedEndotoxinsGlutathioneIntegrinsMiceMice, KnockoutProtein Serine-Threonine KinasesPulmonary AlveoliPulmonary EdemaReceptor, Transforming Growth Factor-beta Type IIReceptors, Transforming Growth Factor betaRespiratory Distress SyndromeTransforming Growth Factor betaConceptsAcute lung injuryPulmonary edemaLung injuryAlveolar epithelial permeabilityWild-type miceEscherichia coli endotoxinColi endotoxinEffective treatmentEpithelial permeabilityIntegrin alphavbeta6Pharmacologic inhibitionEdemaCritical mediatorUntreatable disorderLocal activationIntracellular glutathioneInjuryMiceActivationLungTGFBleomycinEndotoxinHouse Dust Endotoxin and Wheeze in the First Year of Life
PARK J, GOLD D, SPIEGELMAN D, BURGE H, MILTON D. House Dust Endotoxin and Wheeze in the First Year of Life. American Journal Of Respiratory And Critical Care Medicine 2001, 163: 322-328. PMID: 11179100, DOI: 10.1164/ajrccm.163.2.2002088.Peer-Reviewed Original ResearchConceptsElevated endotoxinEndotoxin exposureMultivariate modelLower respiratory illnessMultivariate relative riskHistory of asthmaLow birth weightSignificant univariate associationsFirst yearHouse dust endotoxinRoom dustRace/ethnicityMaternal asthmaPrimary outcomeRespiratory illnessAbove covariatesBirth weightDust endotoxinRelative riskCockroach allergensUnivariate associationsFamilial predispositionBedroom floorWheezeBirth cohort
2000
Longitudinal study of dust and airborne endotoxin in the home.
Park JH, Spiegelman DL, Burge HA, Gold DR, Chew GL, Milton DK. Longitudinal study of dust and airborne endotoxin in the home. Environmental Health Perspectives 2000, 108: 1023-1028. PMID: 11102291, PMCID: PMC1240157, DOI: 10.1289/ehp.001081023.Peer-Reviewed Original Research
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