Complement C3 Nephritic FactorComplement C3-C5 ConvertasesComplement Inactivator ProteinsGlomerulonephritis, MembranoproliferativeProperdinComplement C5 Convertase, Classical PathwayComplement Activating EnzymesComplement C3LipodystrophyComplement Hemolytic Activity AssayComplement C3 Convertase, Classical PathwayComplement Pathway, AlternativeComplement System ProteinsComplement Pathway, ClassicalComplement Factor DComplement C4Complement C5Complement ActivationNephritisGlomerulonephritisComplement Factor HAntigens, CD55AutoantibodiesImmunoglobulin G