HypergammaglobulinemiaAutoantibodiesMurine Acquired Immunodeficiency SyndromeSplenomegalyLymphatic DiseasesAutoimmune DiseasesAleutian Mink DiseaseAntibodies, AntinuclearLupus VulgarisImmunoglobulin GB-LymphocytesGiant Lymph Node HyperplasiaHepatitis, AutoimmuneHepatomegalyCoombs TestLupus Erythematosus, SystemicAleutian Mink Disease Virusgamma-GlobulinsLymphoproliferative DisordersSjogren's SyndromeImmunoglobulinsPlasma CellsPrednisoloneAutoantigensImmunoglobulin MLeishmaniasis, VisceralLymphocyte ActivationSpleenT-LymphocytesMice, Inbred C57BLMice, KnockoutAutoimmunityAntibody SpecificityKidneyPemphigusEnzyme-Linked Immunosorbent AssayInsulin AntibodiesGlutamate Decarboxylase