PMID- 3101055 OWN - NLM STAT- MEDLINE DCOM- 19870316 LR - 20191029 IS - 0257-2761 (Print) IS - 0257-2761 (Linking) VI - 5 IP - 2 DP - 1986 TI - Ultrastructural immunolabeling in the diagnosis of light-chain-related renal disease. PG - 170-87 AB - Renal tissue from eight patients with light-chain deposition disease (LCDD) was immunolabeled for electron microscopy by a postembedding indirect immunogold staining procedure, using anti-kappa and anti-lambda antibodies. This technique provided an exact immunomorphological method to confirm the presence of monotypical light chains in glomeruli, tubules, and vessels. In two cases, it served to prove monotypical light-chain deposition which was not clear upon examination of sections stained for kappa and lambda light chains at the light microscopic level, using PAP or immunofluorescence methods. Three cases of amyloid nephropathy, in which the amyloid deposits stained for monospecific light chains and were immunolabeled ultrastructurally, are also described. LCDD manifests with a variety of morphological patterns in the kidney and the pathological definition of this entity has been difficult. Ultrastructural immunolabeling is a useful method to supplement existing techniques in the diagnosis of LCDD and related conditions. One outstanding feature of the postembedding technique is the ability to examine fixed and preserved renal tissue for the presence of light chains on a retrospective basis. FAU - Herrera, G A AU - Herrera GA FAU - Paul, R AU - Paul R FAU - Turbat-Herrera, E A AU - Turbat-Herrera EA FAU - Work, J AU - Work J FAU - Viale, G AU - Viale G FAU - dell'Orto, P AU - dell'Orto P FAU - Lott, R L AU - Lott RL FAU - Colombi, R AU - Colombi R FAU - Old, C W AU - Old CW FAU - Lyerly, R H AU - Lyerly RH AU - et al. LA - eng PT - Case Reports PT - Journal Article PL - Switzerland TA - Pathol Immunopathol Res JT - Pathology and immunopathology research JID - 8708069 RN - 0 (Immunoglobulin Light Chains) SB - IM MH - Adult MH - Aged MH - Female MH - Fluorescent Antibody Technique MH - Humans MH - Immunoglobulin Light Chains/*analysis MH - Kidney/pathology/ultrastructure MH - Male MH - Microscopy, Electron MH - Middle Aged MH - Nephrotic Syndrome/*diagnosis/immunology/pathology EDAT- 1986/01/01 00:00 MHDA- 1986/01/01 00:01 CRDT- 1986/01/01 00:00 PHST- 1986/01/01 00:00 [pubmed] PHST- 1986/01/01 00:01 [medline] PHST- 1986/01/01 00:00 [entrez] AID - 10.1159/000157010 [doi] PST - ppublish SO - Pathol Immunopathol Res. 1986;5(2):170-87. doi: 10.1159/000157010.