2021
Maternal respiratory SARS-CoV-2 infection in pregnancy is associated with a robust inflammatory response at the maternal-fetal interface
Lu-Culligan A, Chavan AR, Vijayakumar P, Irshaid L, Courchaine EM, Milano KM, Tang Z, Pope SD, Song E, Vogels CBF, Lu-Culligan WJ, Campbell KH, Casanovas-Massana A, Bermejo S, Toothaker JM, Lee HJ, Liu F, Schulz W, Fournier J, Muenker MC, Moore AJ, Team Y, Konnikova L, Neugebauer KM, Ring A, Grubaugh ND, Ko AI, Morotti R, Guller S, Kliman HJ, Iwasaki A, Farhadian SF. Maternal respiratory SARS-CoV-2 infection in pregnancy is associated with a robust inflammatory response at the maternal-fetal interface. Med 2021, 2: 591-610.e10. PMID: 33969332, PMCID: PMC8084634, DOI: 10.1016/j.medj.2021.04.016.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionMaternal-fetal interfaceACE2 expressionNatural killerPregnant womenPlacental cellsAcute respiratory syndrome coronavirus 2 infectionSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionSARS-CoV-2-infected womenTerm placentaSyndrome coronavirus 2 infectionCoronavirus 2 infectionPotential immune mechanismsRobust inflammatory responseRobust immune responseCoronavirus disease 2019Detectable viral RNAInterferon-related genesLower ACE2 expressionMajority of placentasPregnancy complicationsPlacental histologyHofbauer cellsEarly pregnancyImmune activation
2020
Human Chorionic Gonadotropin modulates CXCL10 Expression through Histone Methylation in human decidua
Silasi M, You Y, Simpson S, Kaislasuo J, Pal L, Guller S, Peng G, Ramhorst R, Grasso E, Etemad S, Durosier S, Aldo P, Mor G. Human Chorionic Gonadotropin modulates CXCL10 Expression through Histone Methylation in human decidua. Scientific Reports 2020, 10: 5785. PMID: 32238853, PMCID: PMC7113245, DOI: 10.1038/s41598-020-62593-9.Peer-Reviewed Original ResearchConceptsHuman chorionic gonadotropinCXCL10 expressionChorionic gonadotropinPotent immune-modulatory effectsImmune system undergoesImmune modulatory effectsEndometrial stromal cellsImmune cell recruitmentMaternal-fetal interfaceImmune regulatory functionsProcess of implantationCD8 cellsCytokine profilePregnancy progressesFetal interfaceDecidual samplesImmune populationsImmune factorsHuman deciduaT cellsDecidual cellsCell recruitmentModulatory effectsEarly hormoneStromal cells
2017
Dynamics of Base Excision Repair at the Maternal–Fetal Interface in Pregnancies Complicated by Preeclampsia
Tadesse S, Norwitz NG, Guller S, Arcuri F, Toti P, Norwitz ER, Kidane D. Dynamics of Base Excision Repair at the Maternal–Fetal Interface in Pregnancies Complicated by Preeclampsia. Reproductive Sciences 2017, 24: 856-864. PMID: 27707956, DOI: 10.1177/1933719116670519.Peer-Reviewed Original ResearchConceptsMaternal-fetal interfaceOxidative stressNormotensive controlsPlacental tissueHypoxia/reperfusion (H/R) modelPlacental endothelial dysfunctionPlacentas of womenHealthy control subjectsApyrimidinic endonuclease 1PE placental tissuesPregnancy ComplicatedEndothelial dysfunctionPreeclamptic womenPerinatal mortalityReperfusion modelControl subjectsDecidual cellsPathological basisVivo comparative studyPreeclampsiaMaternal cellsFetal cellsAPE1 expressionSignificant increaseWomen
2014
Single- and double-stranded viral RNA generate distinct cytokine and antiviral responses in human fetal membranes
Bakaysa SL, Potter JA, Hoang M, Han CS, Guller S, Norwitz ER, Abrahams VM. Single- and double-stranded viral RNA generate distinct cytokine and antiviral responses in human fetal membranes. Molecular Human Reproduction 2014, 20: 701-708. PMID: 24723465, PMCID: PMC4072183, DOI: 10.1093/molehr/gau028.Peer-Reviewed Original ResearchConceptsHuman fetal membranesToll-like receptorsMIP-1βMIP-1αFetal membranesAntiviral responseIL-1βIL-6IL-2Viral infectionG-CSFCytokine/chemokine profilesViral ssRNAAdverse pregnancy outcomesMaternal-fetal interfaceInfection-associated inflammationMCP-1 secretionViral dsRNA analogueTNF-α productionMIP-1α secretionTLR adapter proteinsExpression of IFNβPregnancy outcomesCytokine profileChemokine profilesHuman Fetal Membranes Generate Distinct Cytokine Profiles in Response to Bacterial Toll-Like Receptor and Nod-Like Receptor Agonists1
Hoang M, Potter JA, Gysler SM, Han CS, Guller S, Norwitz ER, Abrahams VM. Human Fetal Membranes Generate Distinct Cytokine Profiles in Response to Bacterial Toll-Like Receptor and Nod-Like Receptor Agonists1. Biology Of Reproduction 2014, 90: 39, 1-9. PMID: 24429216, PMCID: PMC4076407, DOI: 10.1095/biolreprod.113.115428.Peer-Reviewed Original ResearchConceptsBacterial toll-like receptorsToll-like receptorsPathogen-associated molecular patternsInnate immune pattern recognition receptorsNOD-like receptorsPattern recognition receptorsImmune pattern recognition receptorsCytokine profileIL1B secretionFetal membranesCpG ODNCaspase-1Subsequent preterm birthInflammatory cytokine profilePreterm premature ruptureDistinct cytokine profilesMaternal-fetal interfaceInfection-associated inflammationMild stimulatory effectNLR agonistsPreterm birthPremature ruptureProinflammatory cytokinesCytokine productionMCP-1
2010
Focal Increases of Fetal Macrophages in Placentas from Pregnancies with Histological Chorioamnionitis: Potential Role of Fibroblast Monocyte Chemotactic Protein‐1
Toti P, Arcuri F, Tang Z, Schatz F, Zambrano E, Mor G, Niven‐Fairchild T, Abrahams VM, Krikun G, Lockwood CJ, Guller S. Focal Increases of Fetal Macrophages in Placentas from Pregnancies with Histological Chorioamnionitis: Potential Role of Fibroblast Monocyte Chemotactic Protein‐1. American Journal Of Reproductive Immunology 2010, 65: 470-479. PMID: 21087336, PMCID: PMC3071455, DOI: 10.1111/j.1600-0897.2010.00927.x.Peer-Reviewed Original ResearchConceptsHistopathological chorioamnionitisMCP-1 mRNAFocal increaseMonocyte chemotactic protein-1Subset of pregnanciesAdverse neonatal outcomesProtein expressionPro-inflammatory cytokinesMaternal-fetal interfaceChemotactic protein-1MCP-1 expressionTerm placental villiHistological chorioamnionitisNeonatal outcomesCytokine cascadeIL-1βInflammatory cytokinesQuantitative real-time PCRFetal monocytesReal-time PCRHuman term placental villiPlacental villiControl groupBacterial productsTreatment of fibroblastsProtein composition of microparticles shed from human placenta during placental perfusion: Potential role in angiogenesis and fibrinolysis in preeclampsia
Guller S, Tang Z, Ma YY, Di Santo S, Sager R, Schneider H. Protein composition of microparticles shed from human placenta during placental perfusion: Potential role in angiogenesis and fibrinolysis in preeclampsia. Placenta 2010, 32: 63-69. PMID: 21074265, PMCID: PMC3762591, DOI: 10.1016/j.placenta.2010.10.011.Peer-Reviewed Original ResearchConceptsPlasminogen activator inhibitorMaternal perfusateSFlt-1Maternal endothelial cell dysfunctionFms-like tyrosine kinasePathophysiology of preeclampsiaMaternal-fetal interfaceEndothelial cell dysfunctionAnti-angiogenic actionFollowing relative levelsPlacental damagePlacental perfusionMaternal serumNormal pregnancyPlacental pathophysiologyAnnexin V bindingSyncytiotrophoblast microparticlesDual perfusionAngiogenic balanceCell dysfunctionMaternal bloodPreeclampsiaActivator inhibitorCytometric analysisLevel of expressionRole of GnRH–GnRH receptor signaling at the maternal-fetal interface
Lee HJ, Snegovskikh VV, Park JS, Foyouzi N, Han KT, Hodgson EJ, Guller S, Norwitz ER. Role of GnRH–GnRH receptor signaling at the maternal-fetal interface. Fertility And Sterility 2010, 94: 2680-2687. PMID: 20400076, DOI: 10.1016/j.fertnstert.2010.03.016.Peer-Reviewed Original ResearchConceptsGnRHR-I mRNAMaternal-fetal interfaceDecidual stromal cellsHCG productionGnRH-IISelect cytokinesTrophoblast cellsCell linesEffects of GnRHUniversity Teaching HospitalExpression of GnRHFunction of GnRHReverse transcription-polymerase chain reactionDose-dependent fashionHuman trophoblast cellsTerm deliveryPolymerase chain reactionTeaching hospitalGnRH receptorMAIN OUTCOMEGnRHHuman trophoblastsStromal cellsWestern blotImmortalized cell lines
2007
Cell Type-specific Expression and Function of Toll-like Receptors 2 and 4 in Human Placenta: Implications in Fetal Infection
Ma Y, Krikun G, Abrahams VM, Mor G, Guller S. Cell Type-specific Expression and Function of Toll-like Receptors 2 and 4 in Human Placenta: Implications in Fetal Infection. Placenta 2007, 28: 1024-1031. PMID: 17588655, PMCID: PMC2064901, DOI: 10.1016/j.placenta.2007.05.003.Peer-Reviewed Original ResearchConceptsInnate immune responseIL-8 levelsToll-like receptorsTLR-4Immune responseTLR-2TLR functionTerm placentaToll-like receptor 2Endothelial cellsAdverse fetal outcomesTLR-2 expressionMaternal-fetal interfacePathogen-associated molecular patternsHuman term placentaCell type-specific expressionGram-negative bacterial lipopolysaccharideFetal outcomesPlacental infectionTLR expressionFetal infectionLPS treatmentMajor cell typesImmunohistochemical analysisStem villi
2005
A Role for TLRs in the Regulation of Immune Cell Migration by First Trimester Trophoblast Cells
Abrahams VM, Visintin I, Aldo PB, Guller S, Romero R, Mor G. A Role for TLRs in the Regulation of Immune Cell Migration by First Trimester Trophoblast Cells. The Journal Of Immunology 2005, 175: 8096-8104. PMID: 16339547, DOI: 10.4049/jimmunol.175.12.8096.Peer-Reviewed Original ResearchConceptsFirst trimester trophoblast cellsInnate immune cellsMaternal-fetal interfaceTrophoblast cellsIntrauterine infectionPregnancy complicationsNormal pregnancyImmune cellsImmune responseImmune systemHuman first trimester trophoblast cellsGrowth-related oncogene alphaCertain pregnancy complicationsElevated leukocyte infiltrationMaternal immune systemGrowth-related oncogeneTLR-3 stimulationImmune cell migrationSecretion of chemokinesInnate immune systemElevated monocytesPaternal AgsPreterm laborNK cellsTLR-3