Immunoanatomic distribution of cytostructural and tissue-associated antigens in the human urinary tract

C. Cordon-Cardo, C. L. Finstad, N. H. Bander, M. R. Melamed

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

The main objective of the present study is to define the expression and/or modulation of antigenic phenotypes in cells of the normal human kidney and urothelium according to cell type. Fourteen antibodies detecting differentiation and structural antigens expressed in the human urinary tract have been used to define the immunoanatomic distribution of these antigenic systems. They include urinary tract antigens (Tamm-Horsfall glycoprotein and prostate-specific antigen), tissue-associated antigens (epithelial membrane antigen, Factor VIII antigen, and Protein S-100), and cytoskeletal antigens of the intermediate filament classes (cytokeratins, vimentin, desmin, glial fibrillary acidic protein, and neurofilaments). Immunofluorescence and immunoperoxidase analyses performed on normal human fetal and adult tissue sections have demonstrated that these antigens are expressed by different cell types and domains of the nephron. Studies correlating normal fetal and adult tissues reveal that some of the antigens appear at distinct stages of maturation, representing early and late antigenic expression events. These antibodies offer a wide range of potential applications that include studies of embryogenesis of the human urinary tract and immunopathologic analyses of neoplastic and nonneoplastic diseases of the human kidney and urothelium.

Original languageEnglish
Pages (from-to)269-284
Number of pages16
JournalAmerican Journal of Pathology
Volume126
Issue number2
StatePublished - 1987
Externally publishedYes

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