OocytesCyclin D1Cyclin ACyclin ECyclin BCyclin B1Cyclin D2Cyclin D3Cyclin A1Cyclin A2Cyclin DCyclin G1Cyclin GCyclinsOogenesisCyclin CCyclin B2Oocyte DonationCyclin-Dependent KinasesMeiosisXenopus laevisOocyte RetrievalCyclin TCyclin-Dependent Kinase 2Cyclin G2Cyclin HCell CycleCDC2 Protein KinaseXenopusCyclin-Dependent Kinase 4CDC2-CDC28 KinasesIn Vitro Oocyte Maturation TechniquesG1 PhaseMetaphaseCell Cycle ProteinsMicroinjectionsFertilizationOvumMaturation-Promoting FactorCyclin-Dependent Kinase Inhibitor p27S PhaseRetinoblastoma ProteinCumulus CellsParthenogenesisCyclin IBlastocystMitosisRNA, MessengerSperm-Ovum InteractionsCell NucleusOvaryMolecular Sequence DataPhosphorylationEmbryonic DevelopmentProtein-Serine-Threonine KinasesCryopreservationSperm Injections, IntracytoplasmicEmbryo TransferOncogene ProteinsGenes, bcl-1Proto-Oncogene Proteins c-mosCells, CulturedCytoplasmZona PellucidaSpermatozoaCyclin-Dependent Kinase 6ZygoteAmino Acid SequenceCell DivisionCyclin-Dependent Kinase Inhibitor p21G2 PhaseCleavage Stage, OvumXenopus ProteinsBase SequencePregnancyEmbryo Culture TechniquesCell ProliferationRNA, ComplementaryEmbryo, MammalianEgg ProteinsProtamine Kinasecdc25 PhosphatasesNuclear Transfer TechniquesSpindle ApparatusTime FactorsTranscription, GeneticFollicular FluidOvulation InductionImmunohistochemistryTumor Suppressor ProteinsBlotting, WesternCell Line, TumorSignal TransductionGene Expression RegulationMutationCryoprotective AgentsProtein BindingEmbryonic and Fetal DevelopmentPolar BodiesVitrification