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CLU基因干扰质粒的构建及其对鼻咽癌细胞生物学功能的影响

王巍巍, 卢金平, 李跃进

王巍巍, 卢金平, 李跃进. CLU基因干扰质粒的构建及其对鼻咽癌细胞生物学功能的影响[J]. 肿瘤防治研究, 2016, 43(6): 442-447. DOI: 10.3971/j.issn.1000-8578.2016.06.002
引用本文: 王巍巍, 卢金平, 李跃进. CLU基因干扰质粒的构建及其对鼻咽癌细胞生物学功能的影响[J]. 肿瘤防治研究, 2016, 43(6): 442-447. DOI: 10.3971/j.issn.1000-8578.2016.06.002
WANG Weiwei, LU Jinping, LI Yuejin. Construction of RNAi Targeting CLU Gene and Effect of CLU on Biological Function of Nasopharyngeal Cancer Cells[J]. Cancer Research on Prevention and Treatment, 2016, 43(6): 442-447. DOI: 10.3971/j.issn.1000-8578.2016.06.002
Citation: WANG Weiwei, LU Jinping, LI Yuejin. Construction of RNAi Targeting CLU Gene and Effect of CLU on Biological Function of Nasopharyngeal Cancer Cells[J]. Cancer Research on Prevention and Treatment, 2016, 43(6): 442-447. DOI: 10.3971/j.issn.1000-8578.2016.06.002

CLU基因干扰质粒的构建及其对鼻咽癌细胞生物学功能的影响

基金项目: 

国家自然科学基金 81402265

珠海市医疗卫生科技计划 20161027A010020

中国博士后科学基金资助项目 2016M592580

详细信息
    作者简介:

    王巍巍(1982-),女,硕士,主管技师,主要从事肿瘤标志物及免疫指标的研究

    通讯作者:

    李跃进,E-mail: liyuejincat@163.com

  • 中图分类号: R739.63

Construction of RNAi Targeting CLU Gene and Effect of CLU on Biological Function of Nasopharyngeal Cancer Cells

More Information
  • 摘要:
    目的 

    构建CLU基因干扰重组质粒及建立CLU基因干扰转染鼻咽癌细胞及动物模型,检测CLU对鼻咽癌细胞生物学功能的影响。

    方法 

    首先以real-time PCR和Western blot法验证CLU在鼻咽癌细胞系5-8F,6-10B中的表达,以高表达CLU的5-8F细胞作为干扰转染的目标细胞;设计及构建shRNA表达载体pSR-GFP/Neo-CLU-shRNA,将其转染至5-8F鼻咽癌细胞系中,通过Transwell小室迁移及侵袭实验来检测对其迁移和侵袭功能的影响。

    结果 

    与6-10B细胞比较,CLU基因在5-8F中的表达显著上调(P<0.05);干扰鼻咽癌细胞5-8F中的CLU可使细胞迁移和侵袭功能明显减弱(P<0.05),使其体外成瘤能力显著降低(P<0.05)。

    结论 

    CLU基因在鼻咽癌细胞系5-8F中明显高表达;pSR-GFP/Neo-CLUshRNA可成功干扰5-8F中CLU的表达;CLU可抑制5-8F细胞的迁移、侵袭及体内成瘤能力。

     

    Abstract:
    Objective 

    To construct the RNAi targeting Clusterin (CLU) gene, to explore the effect of interference targeting CLU on the biological behavior of nasopharyngeal carcinoma (NPC) cells.

    Methods 

    We detected the expression of CLU in NPC cell lines 6-10B and 5-8F through the real-time PCR and Western blot; then we constructed pSR-GFP/Neo-CLU-shRNA expression vector targeting CLU. Based on interference targeting CLU on NPC, we tested the cell migration and motility by Transwell migration and motility assay.

    Results 

    The expression of CLU was increased in NPC cell line 5-8F compared with NPC cell line 6-10B (P<0.05) . When the gene CLU of 5-8F was interfered, the cell migration, invasion and tumorigenicity were weakened.

    Conclusion 

    The expression of CLU is up-regulated in NPC cell line 5-8F. pSR-GFP/Neo- CLU-shRNA could successfully inhibit the expression of CLU in NPC cell line 5-8F. CLU could inhibit the migration, invasion and tumorigenicity of 5-8F cells in vivo.

     

  • 图  1   QRT-PCR法分析CLU-mRNA在6-10B和5-8F细胞系中的表达

    Figure  1   Expression of CLU-mRNA in NPC cell lines 6-10B and 5-8F determined by QRT-PCR

    图  2   Western blot法检测不同鼻咽癌细胞系中CLU蛋白表达水平

    Figure  2   Protein expression of CLU in NPC cell lines detected by Western blot

    图  3   Western blot法检测干扰转染后CLU蛋白表达

    Figure  3   Protein expression of CLU detected by Western blot after interference

    图  4   CLU-shRNA对5-8F细胞侵袭及迁移能力的影响

    Figure  4   Effect of CLU-shRNA on invasion and migration of 5-8F cells

    图  5   CLU对5-8F细胞动物体内成瘤及转移能力的影响

    Figure  5   Effect of CLU on metastasis and tumorigenicity of NPC cell line 5-8F in vivo

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出版历程
  • 收稿日期:  2016-10-10
  • 修回日期:  2016-02-13
  • 网络出版日期:  2024-02-04
  • 刊出日期:  2016-06-24

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