Mice, KnockoutPhenotypeMice, Inbred C57BLMice, Inbred StrainsSpecies SpecificityMice, Inbred BALB CMice, Inbred C3HDisease Models, AnimalMice, TransgenicMice, Inbred DBAGene Knockout TechniquesMice, Inbred CBAMolecular Sequence DataBase SequenceHybrid CellsMice, Inbred AGene Expression RegulationSpleenOrgan SpecificityRNA, MessengerCrosses, GeneticCells, CulturedMice, Mutant StrainsCell LineGene Expression ProfilingAmino Acid SequenceNeoplasms, ExperimentalTissue DistributionReverse Transcriptase Polymerase Chain ReactionGene ExpressionH-2 AntigensMice, Inbred ICRLiverImmunohistochemistryChromosomesBlotting, WesternChromosome MappingGenesSignal TransductionMutationAntibody FormationCloning, MolecularBrainDNAMacrophagesTime FactorsGenotypeT-LymphocytesInterferon-gammaInflammationAntibodies, MonoclonalKidneyLungCell ProliferationImmunoglobulin GCell DifferentiationCricetinae