TrophoblastsParacrine CommunicationPlacentaPlacentationPregnancyChorionic VilliChoriocarcinomaDeciduaPregnancy Trimester, FirstEmbryo ImplantationPregnancy ProteinsAutocrine CommunicationCells, CulturedHLA-G AntigensBlastocystRNA, MessengerPre-EclampsiaEndometriumCell DifferentiationCulture Media, ConditionedPlacenta DiseasesChorionGiant CellsUterusPlacental LactogenImmunohistochemistryMaternal-Fetal ExchangeChorionic GonadotropinCell LineReverse Transcriptase Polymerase Chain ReactionCoculture TechniquesSignal TransductionPregnancy, AnimalGene Expression Regulation, DevelopmentalCell MovementGene ExpressionFibroblast Growth Factor 4Uterine NeoplasmsGestational AgePlacental CirculationStromal CellsPregnancy Trimester, ThirdHydatidiform MoleIn Situ HybridizationCell CommunicationKeratin-7Gene Expression RegulationBlotting, WesternExtraembryonic MembranesIntercellular Signaling Peptides and ProteinsEmbryo, MammalianEmbryonic DevelopmentCell ProliferationStem CellsTrophoblastic NeoplasmsApoptosisFetal Growth RetardationCell DivisionPregnancy, TubalEmbryonic and Fetal DevelopmentCell LineageNeovascularization, PhysiologicTrophoblastic Tumor, Placental SiteActivinsMatrix Metalloproteinase 9