2016
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
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 blood
2011
Ultrasonographic Evaluation of Myometrial Thickness and Prediction of a Successful External Cephalic Version
Buhimschi CS, Buhimschi IA, Wehrum MJ, Molaskey-Jones S, Sfakianaki AK, Pettker CM, Thung S, Campbell KH, Dulay AT, Funai EF, Bahtiyar MO. Ultrasonographic Evaluation of Myometrial Thickness and Prediction of a Successful External Cephalic Version. Obstetrics And Gynecology 2011, 118: 913-920. PMID: 21934456, DOI: 10.1097/aog.0b013e31822e63fe.Peer-Reviewed Original ResearchConceptsAmniotic fluid indexExternal cephalic versionFundal myometrial thicknessSuccessful external cephalic versionMyometrial thicknessCephalic versionFluid indexHigher amniotic fluid indexAbdominal ultrasonographic scansFetal spine positionConsecutive pregnant womenAbsolute risk reductionBody mass indexExternal cephalic version successStrong independent predictorAbdominal wall thicknessMultivariate regression analysisPlacental thicknessBreech presentationIndependent predictorsFetal weightMass indexPregnant womenUltrasonographic evaluationBirth weightIL-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
2010
Interpretation of Amniotic Fluid White Blood Cell Count in “Bloody Tap” Amniocenteses in Women With Symptoms of Preterm Labor
Abdel-Razeq SS, Buhimschi IA, Bahtiyar MO, Rosenberg VA, Dulay AT, Han CS, Werner EF, Thung S, Buhimschi CS. Interpretation of Amniotic Fluid White Blood Cell Count in “Bloody Tap” Amniocenteses in Women With Symptoms of Preterm Labor. Obstetrics And Gynecology 2010, 116: 344-354. PMID: 20664395, PMCID: PMC4142228, DOI: 10.1097/aog.0b013e3181e8fec6.Peer-Reviewed Original ResearchConceptsWhite blood cellsAmniotic fluid white blood cellBlood cell countWBC countAmniotic fluidBloody tapAmniotic fluid white blood cell countCell countAmniotic fluid WBC countRBC/White blood cell countPositive amniotic fluid cultureMaternal WBC countRed blood cell countCells/Number of neutrophilsAbsence of inflammationSetting of inflammationAmniotic fluid culturePositive likelihood ratioAmniotic fluid samplesIntraamniotic inflammationPreterm laborConsecutive womenFluid cultureAcceleration/ejection time ratio in the fetal pulmonary artery predicts fetal lung maturity
Azpurua H, Norwitz ER, Campbell KH, Funai EF, Pettker CM, Kleine M, Bahtiyar MO, Malkus H, Copel JA, Thung SF. Acceleration/ejection time ratio in the fetal pulmonary artery predicts fetal lung maturity. American Journal Of Obstetrics And Gynecology 2010, 203: 40.e1-40.e8. PMID: 20417479, DOI: 10.1016/j.ajog.2010.01.075.Peer-Reviewed Original ResearchConceptsAcceleration time/ejection time ratioEjection time ratioFetal lung maturityLecithin/sphingomyelin ratioFetal pulmonary arteryLung maturitySphingomyelin ratioPulmonary arteryAcceleration/ejection time ratioPulmonary artery blood flowSystolic/diastolic ratioYale-New Haven HospitalAmniotic fluid biomarkersAmniotic fluid lecithin/sphingomyelin ratioArtery blood flowFlow velocity waveformsFlow velocity parametersNew noninvasive techniqueSingleton pregnanciesDiastolic ratioPulsatility indexUltrasound evaluationFluid biomarkersPotential confoundersStudy criteria
2008
Multidimensional Proteomics Analysis of Amniotic Fluid to Provide Insight into the Mechanisms of Idiopathic Preterm Birth
Buhimschi IA, Zhao G, Rosenberg VA, Abdel-Razeq S, Thung S, Buhimschi CS. Multidimensional Proteomics Analysis of Amniotic Fluid to Provide Insight into the Mechanisms of Idiopathic Preterm Birth. PLOS ONE 2008, 3: e2049. PMID: 18431506, PMCID: PMC2315798, DOI: 10.1371/journal.pone.0002049.Peer-Reviewed Original ResearchMeSH KeywordsAdultAmniotic FluidBiomarkersDown-RegulationElectrophoresis, Gel, Two-DimensionalFemaleHemorrhageHumansInflammationPlacentaPregnancyPregnancy ProteinsPremature BirthProteomeProteomicsRNA, MessengerSoftwareSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationTreatment OutcomeUmbilical CordUp-RegulationConceptsPreterm birthAmniotic fluidIdiopathic preterm birthIntra-amniotic inflammationMost preterm birthsSubgroup of patientsAbsence of inflammationDistinct pathogenetic mechanismsFuture drug developmentProteomic fingerprintExpectant managementNovel pathogenetic pathwaysPreterm laborPremature ruptureClinical resultsPathogenetic mechanismsPathogenetic pathwaysConsecutive sampleTherapeutical interventionsInflammationSELDI peaksBirthBleedingProtein metabolismDrug developmentUsing Proteomic Analysis of the Human Amniotic Fluid to Identify Histologic Chorioamnionitis
Buhimschi IA, Zambrano E, Pettker CM, Bahtiyar MO, Paidas M, Rosenberg VA, Thung S, Salafia CM, Buhimschi CS. Using Proteomic Analysis of the Human Amniotic Fluid to Identify Histologic Chorioamnionitis. Obstetrics And Gynecology 2008, 111: 403-412. PMID: 18238979, DOI: 10.1097/aog.0b013e31816102aa.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAmniocentesisAmniotic FluidBiomarkersBlack or African AmericanChorioamnionitisFemaleHumansInflammationPregnancyPregnancy Complications, InfectiousPregnancy OutcomePrevalenceProteomeProteomicsReproducibility of ResultsSensitivity and SpecificitySeverity of Illness IndexSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationWhite PeopleConceptsHistologic chorioamnionitisAmniotic fluidIntra-amniotic inflammationGrade of inflammationAbsence of biomarkersHuman amniotic fluidSurface-enhanced laser desorption ionization timeAfrican American womenPreterm laborSingleton pregnanciesDelivery intervalPlacental pathologyGestational agePremature ruptureSevere inflammationEarly recognitionChorioamnionitisChorionic plateInflammationTherapeutic interventionsProteomic biomarkersCalgranulin CBiomarkersProteomic analysisScores
2007
Proteomic Biomarkers of Intra-amniotic Inflammation: Relationship with Funisitis and Early-onset Sepsis in the Premature Neonate
Buhimschi CS, Buhimschi IA, Abdel-Razeq S, Rosenberg VA, Thung SF, Zhao G, Wang E, Bhandari V. Proteomic Biomarkers of Intra-amniotic Inflammation: Relationship with Funisitis and Early-onset Sepsis in the Premature Neonate. Pediatric Research 2007, 61: 318-324. PMID: 17314690, DOI: 10.1203/01.pdr.0000252439.48564.37.Peer-Reviewed Original ResearchConceptsEarly-onset sepsisIntra-amniotic inflammationGestational ageScore 3Premature neonatesMR scoreEarlier gestational ageHistologic funisitisPreterm laborDelivery intervalFunisitisSepsisNeonatesCalgranulin AInflammationProteomic biomarkersCalgranulin CStrong associationHigh associationWomenSignificant correlationScoresAssociationProteomic analysisIncidenceThe receptor for advanced glycation end products (RAGE) system in women with intraamniotic infection and inflammation
Buhimschi IA, Zhao G, Pettker CM, Bahtiyar MO, Magloire LK, Thung S, Fairchild T, Buhimschi CS. The receptor for advanced glycation end products (RAGE) system in women with intraamniotic infection and inflammation. American Journal Of Obstetrics And Gynecology 2007, 196: 181.e1-181.e13. PMID: 17306673, DOI: 10.1016/j.ajog.2006.09.001.Peer-Reviewed Original ResearchConceptsIntra-amniotic infectionPolymerase chain reactionAF cultureAdvanced glycation end productsAmniotic fluid inflammationThird-trimester controlsEarlier gestational agePlacental villous tissueDegree of inflammationAcute histologic chorioamnionitisNegative AF culturePositive AF cultureExtravillous trophoblast cellsGlycation end productsGestational age dependenceReal-time polymerase chain reactionQuantitative real-time polymerase chain reactionHistologic chorioamnionitisIntraamniotic infectionPreterm deliveryInflammatory biomarkersPlacental pathologyGestational ageRAGE systemAcute inflammation