Distribution of immunoreactive Tamm-Horsfall protein in various species in the vertebrate classes
| Autor: | C. J. Lote, S. Fasulo, G. Zaccone, Alexander J. Howie, A. A. Cunningham |
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| Rok vydání: | 1993 |
| Předmět: |
Male
Gill Amphibian Pathology medicine.medical_specialty Histology Tamm–Horsfall protein Pathology and Forensic Medicine Amphibians Birds Mucoproteins Species Specificity Antigen biology.animal Uromodulin Loop of Henle medicine Animals Tissue Distribution Skin Mammals Kidney biology Fishes Reptiles Vertebrate Cell Biology Immunohistochemistry Molecular biology medicine.anatomical_structure Vertebrates biology.protein Female Antibody |
| Zdroj: | Cell & Tissue Research. 274:15-19 |
| ISSN: | 1432-0878 0302-766X |
| Popis: | A sheep antibody to human Tamm-Horsfall protein, the major protein in normal urine, was used in an immunohistological study of organs of 48 species of vertebrate animals, representing the classes Mammalia, Aves, Reptilia, Amphibia, Osteichthyes and Chondrichthyes. Immunoreactivity was shown in the thick limb of the loop of Henle in the kidney of mammals, but there was no reactivity with tissues of birds or reptiles. Superficial layers of the skin of several amphibians and fish, superficial layers of the oral mucosa and gills of fish, and the distal tubules of the kidney of some amphibians, reacted with the antibody. Immunoreactivity with mammalian kidney was removed by passage of the antibody down an immunoadsorption column coated with human Tamm-Horsfall protein, and amphibian immunoreactivity was removed by incubation of the antibody with material prepared from frogs in the same way as Tamm-Horsfall protein. These findings suggest that immunoreactive Tamm-Horsfall protein appeared early in vertebrate phylogeny, initially in skin and gills and later in kidney, and that although conserved in evolution, it shows antigenic differences between amphibians and mammals. Its distribution is consistent with the hypothesis that is acts as a waterproofing agent. |
| Databáze: | OpenAIRE |
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