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
2009
Proteomic-Based Detection of a Protein Cluster Dysregulated during Cardiovascular Development Identifies Biomarkers of Congenital Heart Defects
Nath AK, Krauthammer M, Li P, Davidov E, Butler LC, Copel J, Katajamaa M, Oresic M, Buhimschi I, Buhimschi C, Snyder M, Madri JA. Proteomic-Based Detection of a Protein Cluster Dysregulated during Cardiovascular Development Identifies Biomarkers of Congenital Heart Defects. PLOS ONE 2009, 4: e4221. PMID: 19156209, PMCID: PMC2626248, DOI: 10.1371/journal.pone.0004221.Peer-Reviewed Original ResearchConceptsCardiovascular developmentMass spectrometry-based proteomicsSpectrometry-based proteomicsNormal cardiovascular developmentAdhesion/migrationHuman CHDsProteomic datasetsHeart developmentProtein clustersMurine embryosProtein pathwayMolecular pathwaysFunctional roleProteinEmbryonic survivalYolk sacProtein levelsIdentifies biomarkersCardiovascular defectsWestern blottingPathwayNovel avenuesEmbryosComplete understandingProtein biomarkers
2000
Combined ultrasound biometry, serum markers and age for Down syndrome risk estimation
Bahado‐Singh R, Oz A, Gomez K, Hunter D, Copel J, Baumgarten A, Mahoney M. Combined ultrasound biometry, serum markers and age for Down syndrome risk estimation. Ultrasound In Obstetrics And Gynecology 2000, 15: 199-204. PMID: 10846774, DOI: 10.1046/j.1469-0705.2000.00071.x.Peer-Reviewed Original ResearchConceptsMaternal ageAlpha-fetoproteinTriple screenSerum markersUltrasound biometryDown syndromeNuchal thickness measurementMedian maternal ageSerum alpha-fetoproteinNormal singleton pregnanciesHumerus lengthGestational age rangeDown's syndrome screening efficiencySingleton pregnanciesReferral populationFalse positive rateSecond trimesterIndividual Down syndrome oddsFetal biometryUnconjugated estriolStudy groupNuchal thicknessDown syndrome risk estimationHCGAge range
1999
Thrombomodulin: A New Marker for Placental Abruption
Magriples U, Chan D, Bruzek D, Copel J, Hsu C. Thrombomodulin: A New Marker for Placental Abruption. Thrombosis And Haemostasis 1999, 81: 32-34. PMID: 9974370, DOI: 10.1055/s-0037-1614413.Peer-Reviewed Original ResearchConceptsPlacental abruptionAcute placental abruptionAbnormal coagulation profileProspective cohort studyEndothelial cell damageCohort studyCoagulation profilePathologic evidencePregnant womenKleihauer-BetkeAbruptionGroup 2Group 1Placental syncytiotrophoblastClinical diagnosisThrombomodulinCell damageSpecific markersNew markersPatientsMarkersDeliverySyncytiotrophoblastDiagnosisWomenNitric Oxide: A Clinically Important Amniotic Fluid Markerto Distinguish Between Intra-Amniotic Mycoplasma and Non-Mycoplasma Infections
Hsu C, Aversa K, Lu L, Meaddough E, Jones D, Bahado-Singh R, Copel J, Lee I. Nitric Oxide: A Clinically Important Amniotic Fluid Markerto Distinguish Between Intra-Amniotic Mycoplasma and Non-Mycoplasma Infections. American Journal Of Perinatology 1999, 16: 161-166. PMID: 10458527, DOI: 10.1055/s-2007-993851.Peer-Reviewed Original ResearchConceptsAmniotic fluid testsIntra-amniotic infectionInterleukin-6Mycoplasma infectionLeukocyte countFluid testsAmniotic fluid creatinine levelsAmniotic fluid glucose levelNitric oxide metabolite concentrationsPositive amniotic fluid cultureInterleukin-6 concentrationsManagement of patientsAmniotic fluid concentrationsAmniotic fluid leukocyte countsAmniotic fluid cultureClinical characteristicsCreatinine levelsPregnant womenClinical managementFluid cultureGlucose levelsClinical importanceUseful markerGriess reagentInfection
1998
New Down syndrome screening algorithm: Ultrasonographic biometry and multiple serum markers combined with maternal age
Bahado-Singh R, Oz A, Kovanci E, Deren O, Copel J, Baumgarten A, Mahoney J. New Down syndrome screening algorithm: Ultrasonographic biometry and multiple serum markers combined with maternal age. American Journal Of Obstetrics And Gynecology 1998, 179: 1627-1631. PMID: 9855608, DOI: 10.1016/s0002-9378(98)70036-5.Peer-Reviewed Original ResearchConceptsHumerus length measurementsSerum markersDown syndromeMaternal ageTriple screenHumerus lengthMultiple stepwise logistic regression analysisTriple-marker serum screeningSerum analytesStepwise logistic regression analysisScreening algorithmHigh-risk populationFetal Down syndromeMultiple serum markersDown syndrome screeningHuman chorionic gonadotropinLogistic regression analysisNew screening algorithmDown's syndrome screening efficiencyPrenatal Down syndrome screeningDown syndrome detectionFalse positive rateSerum screenSingleton fetusesUnconjugated estriolDual Roles of Amniotic Fluid Nitric Oxide and Prostaglandin E2 in Preterm Labor with Intra-Amniotic Infection
Hsu C, Meaddough E, Aversa K, Hong S, Lee I, Bahodo-Singh R, Lu L, Copel J. Dual Roles of Amniotic Fluid Nitric Oxide and Prostaglandin E2 in Preterm Labor with Intra-Amniotic Infection. American Journal Of Perinatology 1998, 15: 683-687. PMID: 10333395, DOI: 10.1055/s-2007-999302.Peer-Reviewed Original ResearchConceptsIntra-amniotic infectionNitric oxide metabolitesPreterm labor patientsAmniotic fluid nitric oxide metabolitesProstaglandin E2Preterm laborLabor patientsNitric oxideIntraamniotic infectionAmniotic fluidAmniotic fluid nitric oxidePositive amniotic fluid cultureAmniotic fluid creatinineProinflammatory nitric oxidePro-inflammatory nitric oxideAmniotic fluid concentrationsAmniotic fluid levelsNitric oxide synthaseCyclo-oxygenase-2Amniotic fluid cultureEnzyme-linked immunoassayOxide metabolitesLeukocyte countFluid cultureOxide synthase
1996
Nicked free β-subunit of human chorionic gonadotropin: A potential new marker for Down syndrome screening
Rotmensch S, Liberati M, Kardana A, Copel J, Ben-Rafael Z, Cole L. Nicked free β-subunit of human chorionic gonadotropin: A potential new marker for Down syndrome screening. American Journal Of Obstetrics And Gynecology 1996, 174: 609-611. PMID: 8623792, DOI: 10.1016/s0002-9378(96)70435-0.Peer-Reviewed Original ResearchConceptsHuman chorionic gonadotropinDown syndrome screeningChorionic gonadotropinSyndrome pregnanciesSyndrome screeningFree beta subunitMaternal serum levelsDown syndrome pregnanciesPotential new markerFree β-subunitSerum levelsNormal controlsSensitive markerImmunoenzymometric assaySerum specimensDown syndromeGonadotropinMean levelsNew markersPreliminary dataMedianPregnancyCase levelMarkersΒ-subunit
1995
Thrombomodulin levels in preeclampsia, gestational hypertension, and chronic hypertension.
Hsu C, Copel J, Hong S, Chan D. Thrombomodulin levels in preeclampsia, gestational hypertension, and chronic hypertension. Obstetrics And Gynecology 1995, 86: 897-9. PMID: 7501335, DOI: 10.1016/0029-7844(95)00326-m.Peer-Reviewed Original ResearchConceptsChronic hypertensionGestational hypertensionThrombomodulin levelsSerum thrombomodulin levelsSoluble thrombomodulin antigenNormotensive control groupTwo-site enzyme-linked immunosorbentLevels of thrombomodulinNormotensive pregnant womenEnzyme-linked immunosorbentACOG criteriaHypertensive disordersSerum levelsThird trimesterNormotensive controlsPregnant womenHypertensionPreeclampsiaThrombomodulin antigenControl groupThrombomodulinWomenSignificant differencesMeaningful markersTrimester