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Upregulation of GPR34 expression affects the progression and prognosis of human gastric adenocarcinoma by PI3K/PDK1/AKT pathway

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dc.contributor.authorWeidong, Yu
dc.contributor.authorShuyun, Ma
dc.contributor.authorLihong, Wang
dc.contributor.authorBo, Zuo
dc.contributor.authorMei, Li
dc.contributor.authorZhengguo, Qiao
dc.contributor.authorXiuying, Pan
dc.contributor.authorYulan, Liu
dc.contributor.authorJington, Wang
dc.date.accessioned2018-11-05T15:01:26Z
dc.date.available2018-11-05T15:01:26Z
dc.date.issued2013
dc.description.abstractPurpose. G-protein coupled receptor 34 (GPR34), which belongs to the G-protein coupled receptors superfamily, is reportedly expressed highly in the spread of several solid tumors. However, its expression in gastric primary tumor and potential role in gastric cancer development and progression have not been determined. Methods. Immunohistochemistry, realtime RT-PCR and western blot methods were used to determine GPR34 expression in human gastric cancer tissues/cell lines and matched adjacent tissues/ normal mucosal cell line. A statistical analysis was performed to establish the potential correlation between GPR34 expression and the patients’ clinicopathological characteristics, tumor progression, and prognosis. Stably transfected NCI-N87 cell lines with either GPR34 overexpression or knock-down were constructed to determine the effect of GPR34 on gastric cancer cell invasion and migration, and to explain the preliminary molecular mechanism of GPR34 in gastric cancer metastasis. Results. GPR34 is up-regulated in primary gastric cancer tissues/cell lines compared with matched adjacent tissues/normal mucosal cell line, and when the relationship between GPR34 expression and the the clinicopathological characteristics was analyzed, it was shown that GPR34 expression is significantly correlated with tumor differentiation, infiltration depth, and lymph node status and had a significant influence on prognosis. Furthermore, GPR34-overexpression increased while GPR34-knockdown inhibited NCI-N87 cell invasion in vitro by PI3K/PDK1/AKT pathway. Conclusions. Taken together, up-regulation of GPR34 expression in human gastric carcinoma may play a critical role in tumor progression and in determining patient prognosis. GPR34 may be a useful diagnostic or prognostic molecular biomarker, and a potential target for therapeutic intervention.es
dc.formatapplication/pdfes
dc.format.extent10es
dc.identifier.citationHistology and Histopathology, vol. 28, nº 12 (2013)
dc.identifier.issn1699-5848
dc.identifier.issn0213-3911
dc.identifier.urihttp://hdl.handle.net/10201/63339
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.subjectG-protein coupled receptor 34 (GPR34)es
dc.subjectGastric canceres
dc.subject.otherCDU::5 - Ciencias puras y naturales::57 - Biología::576 - Biología celular y subcelular. Citologíaes
dc.titleUpregulation of GPR34 expression affects the progression and prognosis of human gastric adenocarcinoma by PI3K/PDK1/AKT pathwayes
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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Histology and histopathology Vol.28, nº12 (2013)