Embryonic StructuresGene Expression Regulation, DevelopmentalBody PatterningEmbryo, MammalianZebrafishEmbryo, NonmammalianMesodermIn Situ HybridizationTrinucleotide Repeat ExpansionDNA Repeat ExpansionPalatal Expansion TechniqueTissue ExpansionTrinucleotide RepeatsCell ProliferationMice, Inbred C57BLCell DifferentiationCD8-Positive T-LymphocytesLymphocyte ActivationMyotonic DystrophyClone CellsCells, CulturedMice, TransgenicPhylogenyCell Culture TechniquesCD4-Positive T-LymphocytesHematopoietic Stem CellsT-Lymphocyte SubsetsMolecular Sequence DataCell DivisionFlow CytometryEvolution, MolecularMice, KnockoutPhenotypeFriedreich AtaxiaHuntington DiseaseMutationT-LymphocytesImmunologic MemoryTime FactorsPlasma SubstitutesPlasma VolumeT-Lymphocytes, RegulatoryReceptors, Antigen, T-Cell, alpha-betaStem CellsGenetic VariationImmunophenotypingSpinocerebellar AtaxiasSignal TransductionCell EnlargementFetal BloodBase SequenceAntigens, CD34GeographyDental ArchNerve Tissue ProteinsAntigens, CDFragile X SyndromeBlood VolumeTissue Expansion DevicesInterleukin-2PhylogeographyModels, BiologicalMice, Inbred BALB CCell SeparationCell LineageAdoptive TransferDNA, MitochondrialPopulation DynamicsFragile X Mental Retardation ProteinPeptidesB-LymphocytesGenetics, PopulationForkhead Transcription FactorsGene DuplicationReceptors, Antigen, T-CellSpinocerebellar DegenerationsHuman MigrationCoculture TechniquesAmino Acid SequenceDisease Models, AnimalSpleenBone Marrow CellsSequence Analysis, DNACytokines