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Attachment of cancer urothelial cells to the bladder epithelium occurs on uroplakin-negative cells and is mediated by desmosomal and not by classical cadherins [Elektronski vir]Dragin Jerman, Urška ...Urinary bladder cancer is often multifocal; however, the intraluminal dissemination of the urothelial cancer cells is poorly understood. The involvement of N-cadherin in the adhesion of the cancer ... urothelial cells to the urothelium had not previously been studied. Therefore, we herein explore the possibility of the intraluminal dissemination of the urothelial cancer cells by evaluating the role of classical cadherins in the adhesion of urothelial cancer cells to the urothelium. We used E-cadherin negative T24 cells and established a T24 Ncadlow cell line with an additionally decreased expression of N-cadherin in the plasma membrane and a decreased secretion of proform of metalloproteinase 2. The labelled T24 and T24 Ncadlow cells were seeded onto urothelial in vitro models. After 24 h in co-culture, unattached cancer cells were rinsed and urothelia with attached cancer urothelial cells were processed for fluorescence and electron microscopy. Both the T24 and T24 Ncadlow cells attached to the urothelium, yet only to the uroplakin-negative urothelial cells. The ultrastructural analysis showed that T24 and T24 Ncadlow cells adhere to poorly differentiated urothelial cells by desmosomes. To achieve this, they first disrupt tight junctions of superficial urothelial cells. This study indicates that the lack of E-cadherin expression and decreased expression of N-cadherin in the plasma membrane of T24 cells does not interfere with their adhesion to the urothelium; therefore, our results suggest that intraluminal dissemination of cancer urothelial cells along the urothelium occurs on uroplakin-negative cells and is desmosome-mediated.Source: International journal of molecular sciences [Elektronski vir]. - ISSN 1422-0067 (Vol. 22, iss. 11, 2021, str. 1-18)Type of material - e-article ; adult, seriousPublish date - 2021Language - englishCOBISS.SI-ID - 65359619
Author
Dragin Jerman, Urška |
Višnjar, Tanja, 1985- |
Hafner Bratkovič, Iva, 1978- |
Resnik, Nataša |
Pavlin, Mojca, 1973- |
Veranič, Peter |
Erdani-Kreft, Mateja
Topics
rak mehurja |
urotelijski in vitro modeli |
elektronska mikroskopija |
bladder cancer |
urothelial in vitro models |
electron microscopy
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Dragin Jerman, Urška | 34354 |
Višnjar, Tanja, 1985- | 32009 |
Hafner Bratkovič, Iva, 1978- | 23563 |
Resnik, Nataša | 28393 |
Pavlin, Mojca, 1973- | 19225 |
Veranič, Peter | 08279 |
Erdani-Kreft, Mateja | 15873 |
Source: Personal bibliographies
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