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Melanoma Cell Adhesion and Migration Is Modulated by the Uronyl 2-O Sulfotransferase
Univ Munster, Inst Physiol Chem & Pathobiochem, Munster, Germany.;Hannover Med Sch, Ctr Internal Med, Dept Gastroenterol Hepatol & Endocrinol, Hannover, Germany..
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology.
Univ Hosp Munster, Comprehens Canc Ctr Munster, Munster, Germany..
Natl Inst Oncol, Dept Surg & Mol Pathol, Budapest, Hungary..
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2017 (English)In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 12, no 1, article id e0170054Article in journal (Refereed) Published
Abstract [en]

Although the vast majority of melanomas are characterized by a high metastatic potential, if detected early, melanoma can have a good prognostic outcome. However, once metastasised, the prognosis is bleak. We showed previously that uronyl-2-O sulfotransferase (Ust) and 2-O sulfation of chondroitin/dermatan sulfate (CS/DS) are involved in cell migration. To demonstrate an impact of 2-O sulfation in metastasis we knocked-down Ust in mouse melanoma cells. This significantly reduced the amount of Ust protein and enzyme activity. Furthermore, in vitro cell motility and adhesion were significantly reduced correlating with the decrease of cellular Ust protein. Single cell migration of B16V(shUst(16)) cells showed a decreased cell movement phenotype. The adhesion of B16V cells to fibronectin depended on alpha 5 beta 3 but not alpha v beta 3 integrin. Inhibition of glycosaminoglycan sulfation or blocking fibroblast growth factor receptor (FgfR) reduced alpha 5 integrin in B16V cell lines. Interestingly, FgfR1 expression and activation was reduced in Ust knock-down cells. In vivo, pulmonary metastasis of B16(VshUst) cells was prevented due to a reduction of alpha 5 integrin. As a proof of concept UST knock-down in human melanoma cells also showed a reduction in ITGa5 and adhesion. This is the first study showing that Ust, and consequently 2-O sulfation of the low affinity receptor for FgfR CS/DS, reduces Itga5 and leads to an impaired adhesion and migration of melanoma cells.

Place, publisher, year, edition, pages
2017. Vol. 12, no 1, article id e0170054
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Cell and Molecular Biology
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URN: urn:nbn:se:uu:diva-316414DOI: 10.1371/journal.pone.0170054ISI: 000392405300068PubMedID: 28107390OAI: oai:DiVA.org:uu-316414DiVA, id: diva2:1078008
Funder
German Research Foundation (DFG)Available from: 2017-03-02 Created: 2017-03-02 Last updated: 2018-01-13Bibliographically approved

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