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dc.contributor.authorKiyoshima, Tamotsu-
dc.contributor.authorNagata, Kengo-
dc.contributor.authorWada, Hiroko-
dc.contributor.authorFujiwara, Hiroaki-
dc.contributor.authorShiotsuka, Maho-
dc.contributor.authorKihara, Makiko-
dc.contributor.authorHasegawa, Kana-
dc.contributor.authorSomeya, Hirotaka-
dc.contributor.authorSakai, Hidetaka-
dc.date.accessioned2018-05-17T10:14:59Z-
dc.date.available2018-05-17T10:14:59Z-
dc.date.issued2013-
dc.identifier.citationHistology and Histopathology, vol. 28, nº 6. (2013)es
dc.identifier.issn1699-5848-
dc.identifier.issn0213-3911-
dc.identifier.urihttp://hdl.handle.net/10201/58502-
dc.description.abstractAmeloblastoma is regarded to be a benign odontogenic tumor, but it is destructive, locally invasive and presents a high rate of recurrence. Thymosin ß4 (Tß4) is closely associated with tooth germ development. Tß4 also plays a role in malignant progression and invasion. However, little is known about the function of Tß4 in odontogenic tumors. Thus, we investigated Tß4 expression in ameloblastomas and compared it with odontomas. We immunohistochemically evaluated the expression of Tß4, ameloblastin (AMBN), amelogenin (AMEL) and enamelin (ENAM) in 57 samples of ameloblastomas from 40 patients, and also assessed the expression of these molecules in 11 cases of odontomas, two of ameloblastic fibro-odontomas and one of tooth germ-like structures without the formation of enamel and dentin. Tß4 signals were observed in almost all of the ameloblastomas. The signals were observed in both peripheral columnar cells and central polyhedral/angular cells. Similar findings were observed in tooth germ-like structures, and in the ameloblastomatous nests in the ameloblastic fibro-odontomas. These samples had negative results for AMBN, AMEL and ENAM. Meanwhile, Tß4 signals were not seen in the odontomas, although immunolabeling for AMBN, AMEL and ENAM was observed in the enamel matrix and in some ameloblasts. Ectomesenhymal regions in the odontomas were negative for staining with the antibodies for AMBN, AMEL and ENAM. These results suggest that Tß4 could be associated with morphogenesis and tumor invasion in the ameloblastoma, and that Tß4 may play a role in the behavior of ameloblastoma.es
dc.formatapplication/pdfes
dc.format.extent12es
dc.languageenges
dc.publisherF. Hernández y Juan F. Madrid. Universidad de Murcia: Departamento de Biología Celular e Histologíaes
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.subjectThymosin ß4es
dc.subjectAmeloblastomaes
dc.subject.otherCDU::6 - Ciencias aplicadas::61 - Medicinaes
dc.titleImmunohistochemical expression of thymosin ß4 in ameloblastomas and odontomases
dc.typeinfo:eu-repo/semantics/articlees
Aparece en las colecciones:Vol.28, nº 6 (2013)

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