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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/66035
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dc.contributor.authorOgawa, Kumiko-
dc.contributor.authorSt. John, Margaret-
dc.contributor.authorDe Oliveira, Maria Luiza-
dc.contributor.authorArnold, Lora-
dc.contributor.authorShirai, Tomoyuki-
dc.contributor.authorSun, Tung-Tien-
dc.contributor.authorCohen, Samuel Monroe-
dc.date.accessioned2014-05-27T11:19:51Z-
dc.date.accessioned2016-10-25T18:16:09Z-
dc.date.available2014-05-27T11:19:51Z-
dc.date.available2016-10-25T18:16:09Z-
dc.date.issued1999-12-08-
dc.identifierhttp://dx.doi.org/10.1177/019262339902700606-
dc.identifier.citationToxicologic Pathology, v. 27, n. 6, p. 645-651, 1999.-
dc.identifier.issn0192-6233-
dc.identifier.urihttp://hdl.handle.net/11449/66035-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/66035-
dc.description.abstractThe expression of uroplakins, the tissue-specific and differentiation- dependent membrane proteins of the urothelium, was analyzed immunohistochemically in N butyl-N-(4-hydroxybutyl)nitrosamine (BBN)-treated rats and mice during bladder carcinogenesis. Male Fischer 344 rats were treated with 0.05% BBN in the drinking water for 10 wk and were cuthanatized at week 20 of the experiment. BBN was administered to male B6D2F1 mice; it was either provided at a rate of 0.05% in the drinking water (for 26 wk) or 5 mg BBN was administered by intragastric gavage twice weekly for 10 wk, followed by 20 wk without treatment. In rats, BBN-induced, noninvasive, low grade, papillary, transitional cell carcinoma (TCC) showed decreased uroplakin-staining of cells lining the lumen but showed increased expression in some nonluminal cells. In mice, nonpapillary, high-grade dysplasia, carcinoma in situ, and invasive carcinoma were induced. There was a marked decrease in the number of uroplakin-positive cells lining the lumen and in nonluminal cells. This occurred in normal-appearing urothelium in BBN-treated mice and in dysplasic urothelium, in carcinoma in situ, and in invasive TCC. The percentage of uroplakin-positive nonluminal cells was higher in control mice than in rats, but it was lower in the mouse than in the rat after BBN treatment. Uroplakin expression was disorderly and focal in BBN-treated urothelium in both species. These results indicate that BBN treatment changed the expression of uroplakins during bladder carcinogenesis, with differences in rats and mice being related to degree of tumor differentiation.en
dc.format.extent645-651-
dc.language.isoeng-
dc.sourceScopus-
dc.subjectBladder cancer-
dc.subjectCell membranes-
dc.subjectDifferentiation-
dc.subjectUroplakins-
dc.subjectdrinking water-
dc.subjectmembrane protein-
dc.subjectn butyl n (4 hydroxybutyl)nitrosamine-
dc.subjectanimal experiment-
dc.subjectanimal model-
dc.subjectbladder cancer-
dc.subjectbladder carcinogenesis-
dc.subjectcancer grading-
dc.subjectcarcinoma in situ-
dc.subjectdysplasia-
dc.subjectimmunohistochemistry-
dc.subjectmale-
dc.subjectmouse-
dc.subjectnonhuman-
dc.subjectpriority journal-
dc.subjectprotein expression-
dc.subjectrat-
dc.subjectreview-
dc.subjectstomach lavage-
dc.subjecttransitional cell carcinoma-
dc.subjecttumor differentiation-
dc.subjectAnimals-
dc.subjectButylhydroxybutylnitrosamine-
dc.subjectCarcinogenicity Tests-
dc.subjectCarcinogens-
dc.subjectCarcinoma-
dc.subjectCell Count-
dc.subjectImmunohistochemistry-
dc.subjectMale-
dc.subjectMembrane Glycoproteins-
dc.subjectMembrane Proteins-
dc.subjectMice-
dc.subjectRats-
dc.subjectRats, Inbred F344-
dc.subjectUrinary Bladder Neoplasms-
dc.subjectUrothelium-
dc.titleComparison of uroplakin expression during urothelial carcinogenesis induced by N-butyl-N-(4-hydroxybutyl)nitrosamine in rats and miceen
dc.typeoutro-
dc.contributor.institutionUniversidade de Nebraska-Lincoln (UNL)-
dc.contributor.institutionNagoya University-
dc.contributor.institutionNew York University (NYU)-
dc.contributor.institutionNebraska Medical Center-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationDept. of Pathology and Microbiology Eppley Inst. for Research in Cancer Univ. of Nebraska Medical Center, Omaha, NE 68198-3135-
dc.description.affiliationFirst Department of Pathology Nagoya City Univ. Medical School, Nagoya 454-
dc.description.affiliationDepartment of Pharmacology Kaplan Comprehensive Cancer Center New York Univ. School of Medicine, New York, NY 10016-
dc.description.affiliationDept. of Pathology and Microbiology Univ. of Nebraska Medical Center 983135 Nebraska Medical Center, Omaha, NE 68198-3135-
dc.description.affiliationDepartamento de Patologia Faculdade de Medicina Unesp, Botucatu-SP, CEP, 18618-000-
dc.description.affiliationUnespDepartamento de Patologia Faculdade de Medicina Unesp, Botucatu-SP, CEP, 18618-000-
dc.identifier.doi10.1177/019262339902700606-
dc.rights.accessRightsAcesso restrito-
dc.identifier.file2-s2.0-0032722952.pdf-
dc.relation.ispartofToxicologic Pathology-
dc.identifier.scopus2-s2.0-0032722952-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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