干细胞相关基因Sox2在膀胱癌的表达及对膀胱癌细胞体外增殖影响
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无锡市科技发展基金 (CSE01N1108);江苏省卫生厅青年基金 (Q201207);无锡市医管中心重点项目 (YGZ1105);南京医科大学自然科学基金 (2011NJMU034)


The expression of Sox2 in bladder cancer and its effect on the proliferation of bladder cancer cell line T24
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    目的:初步研究干细胞相关基因Sox2在膀胱癌的表达及其对膀胱癌细胞体外增殖能力的影响。方法:利用免疫组织化学和免疫荧光法检测Sox2在膀胱癌组织及膀胱癌细胞株T24的表达;将构建成功的pcDNA3.1-SOX2-EGFP质粒转染膀胱癌细胞,采用半定量RT-PCR和Western blot检测Sox2的表达,进一步通过MTT实验初步探讨Sox2对膀胱癌细胞T24体外增殖能力的影响。结果:膀胱癌Sox2高表达率为68.6%;构建的pcDNA3.1-SOX2-EGFP转染膀胱癌细胞T24后能够成功表达;MTT实验显示,Sox2可促进膀胱癌细胞株T24体外增殖(P < 0.05)。结论:Sox2在膀胱癌组织及细胞均可检测到表达,并能促进膀胱癌细胞株T24的体外增殖。

    Abstract:

    Objective:To investigate the expression of Sox2 in human bladder cancer and evaluate the effect of Sox2 on the proliferation of bladder cancer cell line T24. Methods:Immunohistochemical and immunofluorescence staining was used to detect the expression of Sox2 in bladder cancer. The constructed pCDNA3.1-SOX2-EGFP plasmid was transfected into bladder cancer cell line T24. The expression of Sox2 in T24 was analyzed by RT-PCR and Western blot. The function of Sox2 protein in cell proliferation was measured by MTT assay. Results:The high expression of Sox2 was detected in 68.6% of bladder cancer specimens. The pCDNA3.1-SOX2-EGFP plasmid was successfully constructed. In addition, MTT assay showed that Sox2 could significantly promote the proliferation in human bladder cancer cell line T24. Conclusion:The expression of Sox2 was detected in bladder cancer. Sox2 might promote the growth of human bladder cancer cell line T24.

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卫冰冰,徐卓群,阮 钧,杨树东,陈友干,诸 明,周 游,金 柯.干细胞相关基因Sox2在膀胱癌的表达及对膀胱癌细胞体外增殖影响[J].南京医科大学学报(自然科学版),2013,(3):346-351

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  • 收稿日期:2012-11-13
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  • 在线发布日期: 2013-06-04
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