2019
Fetal Myocardial Function as Assessed by N-Terminal Fragment Brain Natriuretic Protein in Premature Fetuses Exposed to Intra-amniotic Inflammation
Irani RA, Buhimschi CS, Cross SN, Zhao G, Copel JA, Bhandari V, Buhimschi IA, Bahtiyar MO. Fetal Myocardial Function as Assessed by N-Terminal Fragment Brain Natriuretic Protein in Premature Fetuses Exposed to Intra-amniotic Inflammation. American Journal Of Perinatology 2019, 37: 745-753. PMID: 31121635, DOI: 10.1055/s-0039-1688909.Peer-Reviewed Original ResearchMeSH KeywordsAdultAmniocentesisAmniotic FluidBiomarkersChorioamnionitisEchocardiography, DopplerFemaleFetal BloodFetal HeartHumansInfant, NewbornInfant, PrematureInflammationInterleukin-6MaleMass SpectrometryNatriuretic Peptide, BrainPeptide FragmentsPlacentaPregnancyPremature BirthVentricular Function, LeftConceptsIntra-amniotic infection/inflammationBrain natriuretic proteinAmniotic fluidNT-proBNPTei indexNatriuretic proteinVentricular functionFetal exposureCord bloodCord IL-6Intra-amniotic inflammationFetal myocardial functionInfection/inflammationBlood NT-proBNPFetal heart functionNT-proBNP immunoassaysEnzyme-linked immunosorbentGestational agePremature fetusesFetal echocardiogramIL-6Circulatory levelsMyocardial functionHeart functionFetuses
2018
Tenascin-X in amniotic fluid and reproductive tissues of pregnancies complicated by infection and preterm prelabor rupture of membranes†
Rood KM, Buhimschi CS, Zhao G, Oliver EA, Summerfield T, Bahtiyar MO, Buhimschi IA. Tenascin-X in amniotic fluid and reproductive tissues of pregnancies complicated by infection and preterm prelabor rupture of membranes†. Biology Of Reproduction 2018, 100: 773-782. PMID: 30277495, PMCID: PMC6437262, DOI: 10.1093/biolre/ioy216.Peer-Reviewed Original ResearchConceptsIntra-amniotic infection/inflammationPreterm prelabor ruptureFetal membranesAmniotic fluidTNX expressionPrelabor ruptureInfection/inflammationLung maturity testingMembrane statusSpontaneous PPROMPregnancy complicationsNormal outcomeTherapeutic targetGenetic karyotypingReproductive tissuesPPROMMRNA expressionMaturity testingPregnancyWestern blottingMRNA levelsQRT-PCRExtracellular matrix proteinsCervixInflammation
2016
Limiting the Exposure of Select Fetuses to Intrauterine Infection/Inflammation Improves Short-Term Neonatal Outcomes in Preterm Premature Rupture of Membranes
Archabald KL, Buhimschi IA, Bahtiyar MO, Dulay AT, Abdel-Razeq SS, Pettker CM, Lipkind HS, Hardy JT, McCarthy ME, Zhao G, Bhandari V, Buhimschi CS. Limiting the Exposure of Select Fetuses to Intrauterine Infection/Inflammation Improves Short-Term Neonatal Outcomes in Preterm Premature Rupture of Membranes. Fetal Diagnosis And Therapy 2016, 42: 99-110. PMID: 27794570, PMCID: PMC11588317, DOI: 10.1159/000450997.Peer-Reviewed Original ResearchConceptsEarly-onset neonatal sepsisNeonatal outcomesPremature ruptureEarly deliveryIntrauterine infection/inflammationSetting of PPROMAdverse neonatal outcomesAmniotic fluid infectionPreterm premature ruptureShort-term outcomesInfection/inflammationIntra-amniotic infectionTerm neonatal outcomesSelect fetusesAntenatal exposureExpectant managementSingleton newbornsHospital dischargeNeonatal sepsisHaptoglobin-related proteinNewborn's riskFluid infectionGestational ageAdverse outcomesSelect subgroupEvidence for participation of neutrophil gelatinase‐associated lipocalin/matrix metalloproteinase‐9 (NGAL•MMP‐9) complex in the inflammatory response to infection in pregnancies complicated by preterm birth
Rood KM, Buhimschi IA, Rodewald Millen K, Bahtiyar MO, Thung S, Summerfield T, Zhao G, Ackerman W, Shellhaas C, Samuels P, Buhimschi CS. Evidence for participation of neutrophil gelatinase‐associated lipocalin/matrix metalloproteinase‐9 (NGAL•MMP‐9) complex in the inflammatory response to infection in pregnancies complicated by preterm birth. American Journal Of Reproductive Immunology 2016, 76: 108-117. PMID: 27251223, PMCID: PMC4942349, DOI: 10.1111/aji.12523.Peer-Reviewed Original ResearchConceptsIntra-amniotic infection/inflammationNeutrophil gelatinase-associated lipocalinMatrix metalloproteinase-9Preterm birthNGAL mRNA expressionGelatinase-associated lipocalinNormal pregnancy outcomeAmniotic fluid levelsInfection/inflammationPlacental villous trophoblastNGAL levelsPregnancy outcomesInflammatory conditionsInflammatory responseMetalloproteinase-9Villous trophoblastFluid levelsInnate immunityCollagenolytic effectMRNA expressionGelatinolytic activityPregnancyHost-microbe interactionsQRT-PCRAmniochorion
2015
Compartmentalization of acute phase reactants Interleukin-6, C-Reactive Protein and Procalcitonin as biomarkers of intra-amniotic infection and chorioamnionitis
Dulay AT, Buhimschi IA, Zhao G, Bahtiyar MO, Thung SF, Cackovic M, Buhimschi CS. Compartmentalization of acute phase reactants Interleukin-6, C-Reactive Protein and Procalcitonin as biomarkers of intra-amniotic infection and chorioamnionitis. Cytokine 2015, 76: 236-243. PMID: 25957466, PMCID: PMC4824401, DOI: 10.1016/j.cyto.2015.04.014.Peer-Reviewed Original ResearchMeSH KeywordsAdultAmniocentesisAmniotic FluidAsymptomatic InfectionsBiomarkersCalcitoninCalcitonin Gene-Related PeptideChorioamnionitisC-Reactive ProteinFemaleFetal BloodFetal Membranes, Premature RuptureHumansInfant, NewbornInterleukin-6Obstetric Labor, PrematurePlacentaPregnancyPregnancy Complications, InfectiousPremature BirthProtein PrecursorsSystemic Inflammatory Response SyndromeConceptsIntra-amniotic infectionC-reactive proteinSubclinical intra-amniotic infectionIL-6Blood IL-6 levelsBlood IL-6Maternal blood levelsSystemic inflammatory responseIL-6 levelsNon-invasive biomarkersSubgroup of casesChorioamnionitis groupHistological chorioamnionitisInflammatory markersPreterm laborCRP levelsInflammatory biomarkersMaternal serumPlacental pathologyAcute phasePregnant womenBlood levelsSubclinical phaseInterleukin-6Cord bloodAmniotic Fluid Soluble Myeloid Differentiation‐2 (sMD‐2) as Regulator of Intra‐amniotic Inflammation in Infection‐induced Preterm Birth
Dulay AT, Buhimschi CS, Zhao G, Oliver EA, Abdel-Razeq SS, Shook LL, Bahtiyar MO, Buhimschi IA. Amniotic Fluid Soluble Myeloid Differentiation‐2 (sMD‐2) as Regulator of Intra‐amniotic Inflammation in Infection‐induced Preterm Birth. American Journal Of Reproductive Immunology 2015, 73: 507-521. PMID: 25605324, PMCID: PMC4430418, DOI: 10.1111/aji.12362.Peer-Reviewed Original ResearchConceptsMyeloid differentiation 2Preterm birthSMD-2Fetal membranesInflammation-induced preterm birthHuman AFIntra-amniotic inflammatory responseInfection-induced preterm birthIntra-amniotic inflammationIL-6 levelsNormal pregnancy outcomeDifferentiation 2MD-2 mRNATime-dependent fashionPregnancy outcomesImmunohistochemistry findingsTLR4 ligandInflammatory cytokinesInflammatory responseHost responseMRNA expressionLevel of expressionWestern blottingHistological localizationAF samples
2011
IL-6 Trans-Signaling System in Intra-Amniotic Inflammation, Preterm Birth, and Preterm Premature Rupture of the Membranes
Lee SY, Buhimschi IA, Dulay AT, Ali UA, Zhao G, Abdel-Razeq SS, Bahtiyar MO, Thung SF, Funai EF, Buhimschi CS. IL-6 Trans-Signaling System in Intra-Amniotic Inflammation, Preterm Birth, and Preterm Premature Rupture of the Membranes. The Journal Of Immunology 2011, 186: 3226-3236. PMID: 21282511, PMCID: PMC3800180, DOI: 10.4049/jimmunol.1003587.Peer-Reviewed Original ResearchMeSH KeywordsAdultAmniocentesisAmniotic FluidCytokine Receptor gp130FemaleFetal Membranes, Premature RuptureHumansInfant, NewbornInfant, PrematureInflammation MediatorsInterleukin-6Matrix Metalloproteinase 9Matrix Metalloproteinase InhibitorsPregnancyPregnancy ComplicationsPremature BirthReceptors, Interleukin-6Signal TransductionYoung AdultConceptsIntra-amniotic inflammationSIL-6RIL-6RPremature ruptureIL-6Classic IL-6 signalingAF IL-6RT-PCRPreterm premature ruptureIL-6 signalingMatrix metalloprotease-9Real-time RT-PCRActivation of cellsPhysiologic constituentPreterm laborPreterm birthIL-6 TransGestational ageThird trimesterInflammatory cellsSecond trimesterNormal gestationMetalloprotease-9IL-6 bindsFetal membranes
2009
Fetal renal artery impedance as assessed by Doppler ultrasound in pregnancies complicated by intraamniotic inflammation and preterm birth
Azpurua H, Dulay AT, Buhimschi IA, Bahtiyar MO, Funai E, Abdel-Razeq SS, Luo G, Bhandari V, Copel JA, Buhimschi CS. Fetal renal artery impedance as assessed by Doppler ultrasound in pregnancies complicated by intraamniotic inflammation and preterm birth. American Journal Of Obstetrics And Gynecology 2009, 200: 203.e1-203.e11. PMID: 19185102, PMCID: PMC3791328, DOI: 10.1016/j.ajog.2008.11.001.Peer-Reviewed Original ResearchConceptsCord blood IL-6End-diastolic blood flowRenal artery pulsatility indexArtery pulsatility indexBlood IL-6Amniotic fluid indexIntraamniotic inflammationResistance indexPulsatility indexPreterm birthIL-6Blood flowSerum blood urea nitrogen levelAF IL-6 levelsInflammation-associated preterm birthRenal artery resistance indexSystolic/diastolic ratioBlood urea nitrogen levelsAge-reference rangeCord blood interleukinRenal vascular bedIL-6 levelsHours of lifeUrea nitrogen levelsBlood interleukin
2008
Fetal Heart Rate Monitoring Patterns in Women with Amniotic Fluid Proteomic Profiles Indicative of Inflammation
Buhimschi C, Abdel-Razeq S, Cackovic M, Pettker C, Dulay A, Bahtiyar M, Zambrano E, Martin R, Norwitz E, Bhandari V, Buhimschi I. Fetal Heart Rate Monitoring Patterns in Women with Amniotic Fluid Proteomic Profiles Indicative of Inflammation. American Journal Of Perinatology 2008, 25: 359-372. PMID: 18512201, PMCID: PMC2724874, DOI: 10.1055/s-2008-1078761.Peer-Reviewed Original ResearchConceptsEarly-onset neonatal sepsisIntra-amniotic inflammationFetal heart rate monitoring patternsHistological chorioamnionitisPreterm birthPredictive valueAcute histological chorioamnionitisFetuses of womenHuman Development criteriaUseful clinical indicatorNegative predictive valuePositive predictive valueMonitoring patternsNeonatal sepsisPremature neonatesGestational ageLaboratory criteriaAntibiotic treatmentClinical indicatorsChild healthSensitive predictorInflammationAdmissionNeonatesInitial evaluationNucleated red blood cells are a direct response to mediators of inflammation in newborns with early-onset neonatal sepsis
Dulay AT, Buhimschi IA, Zhao G, Luo G, Abdel-Razeq S, Cackovic M, Rosenberg VA, Pettker CM, Thung SF, Bahtiyar MO, Bhandari V, Buhimschi CS. Nucleated red blood cells are a direct response to mediators of inflammation in newborns with early-onset neonatal sepsis. American Journal Of Obstetrics And Gynecology 2008, 198: 426.e1-426.e9. PMID: 18395034, PMCID: PMC4023236, DOI: 10.1016/j.ajog.2008.01.040.Peer-Reviewed Original ResearchConceptsEarly-onset neonatal sepsisNucleated red blood cellsInflammation-associated preterm birthNRBC countAcid-base statusIntraamniotic inflammationHistological chorioamnionitisNeonatal sepsisRed blood cellsPreterm birthGestational ageCord blood IL-6 levelsBlood IL-6 levelsFetal acid-base statusBlood cellsAbsolute NRBC countsIL-6 levelsEarly neonatal periodIntrauterine growth restrictionHours of birthEarlier gestational ageMediators of inflammationMinutes of deliveryAbsence of hypoxiaPreterm singletonsFetal Adrenal Gland Volume and Cortisol/Dehydroepiandrosterone Sulfate Ratio in Inflammation-Associated Preterm Birth
Buhimschi CS, Turan OM, Funai EF, Azpurua H, Bahtiyar MO, Turan S, Zhao G, Dulay A, Bhandari V, Copel JA, Buhimschi IA. Fetal Adrenal Gland Volume and Cortisol/Dehydroepiandrosterone Sulfate Ratio in Inflammation-Associated Preterm Birth. Obstetrics And Gynecology 2008, 111: 715-722. PMID: 18310376, DOI: 10.1097/aog.0b013e3181610294.Peer-Reviewed Original ResearchMeSH KeywordsAdrenal GlandsAdultAmniotic FluidBiomarkersChorioamnionitisDehydroepiandrosterone SulfateFemaleFetal BloodHumansHydrocortisoneInfant, NewbornInfant, PrematureInterleukin-6Organ SizePituitary-Adrenal SystemPregnancyPremature BirthSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationUltrasonography, PrenatalConceptsAdrenal gland volumeFetal adrenal gland volumeIntraamniotic inflammationGland volumeInterleukin-6Preterm birthCord blood IL-6 levelsBlood IL-6 levelsCord blood IL-6Blood IL-6IL-6 levelsCortisol/Dehydroepiandrosterone Sulfate RatioPituitary-adrenocortical systemConsecutive singleton fetusesThree-dimensional ultrasonographyAdrenal volumeFetal adaptationGestational ageSteroid exposureFetal cortisolFetal weightSingleton fetusesUterine contractionsAdrenocortical axisDHEA ratioMultidimensional System Biology: Genetic Markers and Proteomic Biomarkers of Adverse Pregnancy Outcome in Preterm Birth
Buhimschi C, Rosenberg V, Dulay A, Thung S, Sfakianaki A, Bahtiyar M, Buhimschi I. Multidimensional System Biology: Genetic Markers and Proteomic Biomarkers of Adverse Pregnancy Outcome in Preterm Birth. American Journal Of Perinatology 2008, 25: 175-187. PMID: 18425720, DOI: 10.1055/s-2008-1061497.Peer-Reviewed Original ResearchConceptsPreterm birthSignificant public health problemMost preterm birthsAdverse pregnancy outcomesWeeks of gestationPublic health problemVariety of interventionsNeonatal outcomesPregnancy outcomesDecidual hemorrhagePremature infantsPremature birthLikely multifactorialPathophysiological pathwaysHealth problemsPathophysiological conditionsProteomic biomarkersOxidative stressBirthExcessive stretchingOutcomesHemorrhageGestationInfantsEtiologySingle Nucleotide Polymorphisms in the Human Progesterone Receptor Gene and Spontaneous Preterm Birth
Guoyang Luo, Morgan T, Bahtiyar MO, Snegovskikh VV, Schatz F, Kuczynski E, Funai EF, Dulay AT, Huang ST, Buhimschi CS, Buhimschi IA, Fortunato SJ, Menon R, Lockwood CJ, Norwitz ER. Single Nucleotide Polymorphisms in the Human Progesterone Receptor Gene and Spontaneous Preterm Birth. Reproductive Sciences 2008, 15: 147-155. PMID: 18276950, DOI: 10.1177/1933719107310990.Peer-Reviewed Original ResearchMeSH KeywordsAdultFemaleGenotypeHumansPolymorphism, Single NucleotidePregnancyPremature BirthReceptors, ProgesteroneConceptsSpontaneous preterm birthPreterm birthMaternal carriageSingle nucleotide polymorphismsProgesterone receptorPrior preterm birthHigh-risk womenBody mass indexRoute of deliveryLogistic regression analysisProgesterone receptor geneNeonatal outcomesConsecutive patientsProgesterone supplementationMass indexMaternal ageNucleotide polymorphismsMultivariate analysisT alleleHuman progesterone receptor geneTerm controlsMinor alleleProgesterone bindsBirthReceptor gene