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
Proteomics Mapping of Cord Blood Identifies Haptoglobin “Switch-On” Pattern as Biomarker of Early-Onset Neonatal Sepsis in Preterm Newborns
Buhimschi CS, Bhandari V, Dulay AT, Nayeri UA, Abdel-Razeq SS, Pettker CM, Thung S, Zhao G, Han YW, Bizzarro M, Buhimschi IA. Proteomics Mapping of Cord Blood Identifies Haptoglobin “Switch-On” Pattern as Biomarker of Early-Onset Neonatal Sepsis in Preterm Newborns. PLOS ONE 2011, 6: e26111. PMID: 22028810, PMCID: PMC3189953, DOI: 10.1371/journal.pone.0026111.Peer-Reviewed Original ResearchConceptsEarly-onset neonatal sepsisCord bloodNeonatal outcomesNeonatal sepsisPreterm newbornsAdverse short-term neonatal outcomesShort-term neonatal outcomesSelection of newbornsIntra-amniotic infectionIntra-ventricular hemorrhageLatent class analysisEONS diagnosisAntenatal exposurePreterm birthProspective cohortPremature newbornsAdverse outcomesInterleukin-6Odds ratioProtein immunoreactivityTargeted treatmentTwo-dimensional differential gel electrophoresisElevated haptoglobinNewbornsImportant causeUniversal cervical‐length screening to prevent preterm birth: a cost‐effectiveness analysis
Werner EF, Han CS, Pettker CM, Buhimschi CS, Copel JA, Funai EF, Thung SF. Universal cervical‐length screening to prevent preterm birth: a cost‐effectiveness analysis. Ultrasound In Obstetrics And Gynecology 2011, 38: 32-37. PMID: 21157771, DOI: 10.1002/uog.8911.Peer-Reviewed Original ResearchConceptsCervical length screeningPreterm birthVaginal progesteroneCervical lengthWeeks' gestationLong-term neurologic deficitsUniversal cervical length screeningLow-risk singleton pregnanciesTransvaginal cervical length measurementCost-effective strategyIncremental cost-effectiveness ratioTransvaginal cervical lengthVaginal progesterone supplementationCervical length measurementLow-risk pregnanciesMain outcome measuresCost-effectiveness ratioCost-effectiveness analysisDecision analysis modelNeonatal outcomesNeurologic deficitsSingleton pregnanciesProgesterone supplementationRoutine careNeonatal deathIL-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
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 developmentNucleated 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 singletonsMultidimensional 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 stretchingOutcomesHemorrhageGestationInfantsEtiology