Nephrotic SyndromeNephrosis, LipoidSyndromeGlomerulosclerosis, Focal SegmentalGlomerulonephritis, MembranousProteinuriaPuromycin AminonucleosideKidney GlomerulusPrednisolonePodocytesGlomerulonephritisSteroidsGlomerulonephritis, MembranoproliferativeNephrosisFocal AdhesionsKidneyImmunosuppressive AgentsBiopsyEdemaCyclosporineDown SyndromeMetabolic Syndrome XAmyloidosisDrug ResistanceRecurrenceAdrenal Cortex HormonesSerum AlbuminGlucocorticoidsPrednisoneRemission, SpontaneousTreatment OutcomeRemission InductionParaneoplastic SyndromesKidney DiseasesSjogren's SyndromePulse Therapy, DrugMembrane ProteinsAbnormalities, MultipleRetrospective StudiesChlorambucilAlbuminsGlomerulonephritis, IGAGlomerular Basement MembraneRenal VeinsLevamisoleGlomerular Filtration BarrierKidney Function TestsPlasmapheresisFrasier SyndromeMutationIntracellular Signaling Peptides and ProteinsDrug Therapy, CombinationTurner SyndromeFollow-Up Studies