Lupus NephritisNephritisLung Diseases, InterstitialGlomerulonephritisKidney GlomerulusCystitis, InterstitialProteinuriaHeymann Nephritis Antigenic ComplexKidneyInterstitial Cells of CajalBiopsyAntibodies, AntinuclearLupus Erythematosus, SystemicExtracellular FluidPurpura, Schoenlein-HenochMice, Inbred NZBNephritis, HereditaryKidney TubulesAutoantibodiesMice, Inbred MRL lprGlomerulonephritis, MembranoproliferativeDelayed DiagnosisBasement MembranePrenatal DiagnosisEarly DiagnosisSensitivity and SpecificityRetrospective StudiesFibrosisGlomerulonephritis, MembranousAntigen-Antibody ComplexIdiopathic Interstitial PneumoniasPulmonary FibrosisImmune Complex DiseasesImmunosuppressive AgentsExtracellular SpaceImmunoglobulin GTime FactorsImmunohistochemistryPrednisoloneKidney DiseasesDisease Models, AnimalDiagnosisTomography, X-Ray ComputedGlomerulonephritis, IGABiological MarkersAnti-Glomerular Basement Membrane DiseaseTreatment OutcomeComplement C3Acute DiseaseFluorescent Antibody TechniqueMycophenolic AcidAutoimmune DiseasesDisease ProgressionComplement C1qSerum SicknessAzathioprinePrognosisSeverity of Illness IndexFollow-Up StudiesFatal OutcomePredictive Value of TestsLungMicrodialysisCreatinineDiagnostic ErrorsGlomerular Basement MembraneGlomerular MesangiumEnzyme-Linked Immunosorbent AssayCyclophosphamideProspective StudiesAutoantigensReproducibility of ResultsBiopsy, NeedleUreteral ObstructionPolymerase Chain ReactionRisk FactorsMethylprednisoloneNephrotic SyndromeHematuriaCollagenChronic DiseaseSyndromePregnancyIdiopathic Pulmonary FibrosisDiagnosis, Computer-AssistedRats, Inbred LewAntibodiesMicroscopy, ElectronRNA, MessengerGlomerulosclerosis, Focal SegmentalNursing DiagnosisComplement System ProteinsKidney CortexInfant, NewbornCase-Control StudiesRats, Sprague-DawleyKidney TransplantationMice, Inbred C57BLMagnetic Resonance ImagingCohort Studies