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Expression of Oct4 and Wnt2 in human glioma tissues and its clinical significance
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Abstract:
Objective:To investigate the expression of Oct4 and Wnt2 in human glioma tissues and its relationship with the clinicopathological features of glioma. :Methods: :Fiftysix paraffin blocks were obtained from glioma patients receiving surgery. The diagnosis of these patients were confirmed by pathology in our hospital from 20062009. Immunohistochemical staining was used to examine Oct4 and Wnt2 expression in the brain tissues of 10 patients with acute brain injury and 56 glioma tissues (including 15 recurrent cases). :Results: :The normal brain tissues were negative of Oct4, with only one case showing weak Wnt2 expression. Thirtyfour of the 56 glioma tissues showed positive expression of Oct4 (60.7%), and 40 showed positive expression of Wnt2 (71.4%). Positive expression rates of Oct4 and Wnt2 in lowgrade and highgrade glioma tissues were 46.2 %, 73.3% and 57.7 %, 83.3%, respectively (P<0.05). Oct4 positive rates in the recrudescence and newly diagnosed glioma tissues were 86.7% and 51.2%, respectively (P<0.05). Oct4 expression in the glioma tissues was positively correlated with that of Wnt2 (r=0.537，P<0.01). :Conclusion: :Expression of Oct4 and Wnt2 is associated with the malignant degrees of glioma, and Oct4 expression is related to the recurrence of glioma. Oct4 might participate in the development and progression of brain glioma through Wnt signaling pathway.
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Project Supported:
Supported by the Scientific Research Project from Health Department of Hubei Province (No. JX3C10); the Medical Health and Technological Development Project of Jingzhou (Technological Development Project of Jingzhou 200913)
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