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Parafibromin expression in lung normal tissue and carcinoma: its comparison with clinicopathological parameters of carcinoma

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dc.contributor.authorXia, Pu
dc.contributor.authorWang, Wei
dc.contributor.authorXu, Xiao-yan
dc.contributor.authorWang, Jian-ping
dc.contributor.authorTakano, Yasuo
dc.contributor.authorZheng, Hua-Chuan
dc.date.accessioned2016-05-05T10:28:18Z
dc.date.available2016-05-05T10:28:18Z
dc.date.issued2011
dc.description.abstractParafibromin is a protein encoded by the hyperparathyroidism 2 oncosuppressor gene and its down-regulated expression is involved in the pathogenesis of parathyroid, gastric and colorectal carcinomas. To clarify the roles of parafibromin expression in lung carcinomas, it was examined by immunohistochemistry and in situ hybridization on tissue microarray containing lung carcinomas (n=144) and normal lung tissue (n=20), with a comparison to clinicopathological parameters of carcinomas. Lung carcinoma cell lines and tissues were studied for parafibromin expression by Western blot and RT-PCR. Down-regulated expression of parafibromin mRNA was found in lung carcinoma in comparison with matched normal tissue (p<0.05). Parafibromin protein was found in the cilia and nuclei of pseudo-stratified columnar epithelium, and the nuclei of lung carcinoma. According to immunostaining and in situ hybridization, there was no difference in parafibromin expression between histological subtypes of lung carcinoma (p>0.05). The Kaplan-Meier method indicated that nuclear parafibromin expression was positively correlated with adenocarcinoma patients (p<0.05). Down-regulated parafibromin mRNA expression might play an important role in lung carcinogenesis, but not in its histogenesis. Strong parafibromin expression in cilia of the pseudostratified columnar epithelium indicated its possible involvement in cell mobility. Parafibromin expression could be employed to indicate the favorable prognosis of patients with adenocarcinoma.es
dc.formatapplication/pdfes
dc.format.extent9es
dc.identifier.issn1699-5848
dc.identifier.issn0213-3911
dc.identifier.urihttp://hdl.handle.net/10201/49558
dc.languageenges
dc.publisherMurcia: F. Hernández y Juan F. Madrid, Universidad de Murcia, Departamento de Biología Celular e Histologíaes
dc.relation.ispartofHistology and histopathology, Vol. 26, nº 8 (2011)es
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.subjectLung carcinomaes
dc.subjectPathogenesises
dc.subject.other61 - Medicinaes
dc.titleParafibromin expression in lung normal tissue and carcinoma: its comparison with clinicopathological parameters of carcinomaes
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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Histology and histopathology Vol.26, nº8 (2011)