2020
Evolution of Embryo Implantation Was Enabled by the Origin of Decidual Stromal Cells in Eutherian Mammals
Chavan AR, Griffith OW, Stadtmauer D, Maziarz J, Pavlicev M, Fishman R, Koren L, Romero R, Wagner GP. Evolution of Embryo Implantation Was Enabled by the Origin of Decidual Stromal Cells in Eutherian Mammals. Molecular Biology And Evolution 2020, 38: 1060-1074. PMID: 33185661, PMCID: PMC7947829, DOI: 10.1093/molbev/msaa274.Peer-Reviewed Original ResearchConceptsEutherian mammalsEutherian lineagesDecidual stromal cellsNovel cell typesStromal cellsInflammatory responseStem lineageEutherian pregnancyCommon ancestorEvolutionary mechanismsExtended gestationMost marsupialsEmbryo attachmentEmbryo implantationMarsupialsLineagesCell typesMammalsMechanistic understandingEutheriansHelper T cellsFetal-maternal interfaceMammalian pregnancyMaternal tissuesNeutrophil recruitment
2019
Endometrial recognition of pregnancy occurs in the grey short-tailed opossum ( Monodelphis domestica).
Griffith OW, Chavan AR, Pavlicev M, Protopapas S, Callahan R, Maziarz J, Wagner GP. Endometrial recognition of pregnancy occurs in the grey short-tailed opossum ( Monodelphis domestica). Proceedings Of The Royal Society B 2019, 286: 20190691. PMID: 31213185, PMCID: PMC6599997, DOI: 10.1098/rspb.2019.0691.Peer-Reviewed Original ResearchConceptsRecognition of pregnancyGene expression changesProtein level differencesUpregulation of genesOestrous cycleStem lineagePlesiomorphic modeTranscriptional landscapeEutherian mammalsTranscriptional differencesUterus of femalesAmerican marsupialsMost marsupialsExpression changesFetal supportMarsupialsSteroid hormone profilesOpossumGenesEmbryosHuman pregnancyTransporter abundanceHormone profilesMaternal physiologyPregnancy
2018
The mammalian decidual cell evolved from a cellular stress response
Erkenbrack EM, Maziarz JD, Griffith OW, Liang C, Chavan AR, Nnamani MC, Wagner GP. The mammalian decidual cell evolved from a cellular stress response. PLOS Biology 2018, 16: e2005594. PMID: 30142145, PMCID: PMC6108454, DOI: 10.1371/journal.pbio.2005594.Peer-Reviewed Original ResearchConceptsCellular stress responseNovel cell typesStress responseEndometrial stromal fibroblastsCell typesCell type diversityDecidual stromal cellsCore regulatory genesOxidative stress responseDecidual cell typesEvolutionary noveltyPrecursor cell typesEffector genesRegulatory genesEutherian mammalsTranscription factorsOpossum Monodelphis domesticaOrganismal structureType diversityMolecular mechanismsAnimal speciesMonodelphis domesticaGenesStromal cellsSpecies
2017
Embryo implantation evolved from an ancestral inflammatory attachment reaction
Griffith OW, Chavan AR, Protopapas S, Maziarz J, Romero R, Wagner GP. Embryo implantation evolved from an ancestral inflammatory attachment reaction. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: e6566-e6575. PMID: 28747528, PMCID: PMC5559003, DOI: 10.1073/pnas.1701129114.Peer-Reviewed Original ResearchConceptsTerm pregnancyMaterno-fetal interfaceEGF-like growth factorInflammatory responseImmune responseEmbryo implantationPregnancyGrowth factorMucin 1Molecular changesImplantationKey markersMiceParturitionExhibit expressionMorphological changesHumansOpossumEutherian mammalsUterusImmunohistochemistryTranscriptomic analysisPlacentaImplantation reactionLocalization profilesEvolution of Gene Expression in the Uterine Cervix related to Steroid Signaling: Conserved features in the regulation of cervical ripening
Wagner GP, Nnamani MC, Chavan AR, Maziarz J, Protopapas S, Condon J, Romero R. Evolution of Gene Expression in the Uterine Cervix related to Steroid Signaling: Conserved features in the regulation of cervical ripening. Scientific Reports 2017, 7: 4439. PMID: 28667298, PMCID: PMC5493687, DOI: 10.1038/s41598-017-04759-6.Peer-Reviewed Original ResearchConceptsGene expressionComparative transcriptomic studyEutherian mammalsPlacental mammalsCervical ripeningTranscriptomic studiesEutherian speciesSteroid signalingUterine cervixChange expressionTiming of parturitionMammalsPremature cervical ripeningFunctional progesterone withdrawalDecreased expressionMaintenance of pregnancyExpressionSpeciesRipeningPutative mechanismsPreterm birthProgesterone withdrawalProgesterone receptorMouse cervixCervix
2016
The Transcriptomic Evolution of Mammalian Pregnancy: Gene Expression Innovations in Endometrial Stromal Fibroblasts
Kin K, Maziarz J, Chavan AR, Kamat M, Vasudevan S, Birt A, Emera D, Lynch VJ, Ott TL, Pavlicev M, Wagner GP. The Transcriptomic Evolution of Mammalian Pregnancy: Gene Expression Innovations in Endometrial Stromal Fibroblasts. Genome Biology And Evolution 2016, 8: 2459-2473. PMID: 27401177, PMCID: PMC5010902, DOI: 10.1093/gbe/evw168.Peer-Reviewed Original ResearchConceptsEndometrial stromal fibroblastsGene expression changesTherian speciesEutherian lineagesTranscriptome compositionBovine lineageStem lineageNatural selectionStromal fibroblastsTherian mammalsEutherian mammalsKey genesLoss of expressionTranscriptomic evolutionGene expressionExpression changesLatter cell typeGenesLineagesCell typesCell type presentMammalsMammalian pregnancyExpressionTissue invasionWhat was the ancestral function of decidual stromal cells? A model for the evolution of eutherian pregnancy
Chavan AR, Bhullar BA, Wagner GP. What was the ancestral function of decidual stromal cells? A model for the evolution of eutherian pregnancy. Placenta 2016, 40: 40-51. PMID: 27016782, DOI: 10.1016/j.placenta.2016.02.012.Peer-Reviewed Original ResearchConceptsEutherian mammalsDecidual stromal cellsAncestral functionEutherian cladesMajor lineagesStem lineageEutherian pregnancyStromal cellsEutherian speciesStem eutheriansExtended gestationMammalsEutheriansLineagesMaintenance of pregnancyCellsInvasive placentationLaurasiatheriaCladeEuarchontogliresAfrotheriaFetal-maternal interfaceXenarthraDecidual cellsSpecies