Establishment and validation of Jurkat T cell lines with stable overexpression or low expression of miR-125b-5p
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摘要: 目的 构建稳定过表达/下调表达miR-125b-5p的Jurkat T细胞株,为miR-125b-5p在免疫性疾病中的发病机制研究奠定基础。 方法 扩增质粒,经293T细胞包装产生慢病毒颗粒,感染Jurkat T细胞,RT-qPCR检测miR-125b-5p表达情况,Western blotting检测下游靶基因UVRAG表达情况。采用单因素方差分析,2组之间比较应用LSD检验,P<0.05为差异具有统计学意义。 结果 hsa-miR-125b-5p慢病毒过表达载体及对照转染Jurkat T细胞后均有绿色荧光表达,hsa-miR-125b-5p慢病毒干扰载体及对照转染Jurkat T细胞后均有红色荧光表达;RT-qPCR显示和对照组比较慢病毒过表达载体组miR-125b-5p表达水平明显增高(P<0.01),慢病毒干扰载体组miR-125b-5p表达水平明显降低(P<0.01),差异均有统计学意义。Western blotting显示和对照组比较,慢病毒过表达载体组下游靶基因UVRAG表达明显降低(P<0.001),慢病毒干扰载体组下游靶基因UVRAG表达明显升高(P<0.001),差异均有统计学意义。 结论 成功建立了稳定过表达/下调表达hsa-miR-125b-5p的Jurkat T细胞株。
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关键词:
- 慢病毒 /
- Jurkat T细胞 /
- miR-125b-5p
Abstract: Objective To establish the Jurkat T cell line which stably overexpresses or down expresses miR-125b-5p. Methods The plasmid was amplified and packaged into 293T cells to produce lentiviral particles. Jurkat T cells were infected with recombinant lentivirus. The expression level of miR-125b-5p in Jurkat T cells was detected by RT-qPCR. Expression level of target gene UVRAG was detected by Western blotting. All data were analyzed by one-way ANOVA with LSD test as post-hoc test. P<0.05 was regarded as statistically significant. Results The emition of green fluorescence was detected in both Jurkat T cells that transfected with lentivirus overexpress hsa-miR-125b-5p vector or control vector. Besides, the emition of red fluorescence was detected in both Jurkat T cells that transfected with lentivirus hsa-miR-125b-5p interferential vector and control vector. The RT-qPCR results showed that compared with the control vector group, the expression level of miR-125b-5p was significantly increased in Jurkat T cells which were transfected with hsa-miR-125b-5p lentivirus over expression vector (P<0.01). The expression level of miR-125b-5p was significantly decreased in Jurkat T cells which were transfected with hsa-miR-125b-5p lentivirus interferential vector (P<0.01). Western blotting results showed that compared with the control vector group, the protein level of UVRAG was significantly decreased in Jurkat T cells which were transfected with hsa-miR-125b-5p lentivirus over expression vector (P<0.001). The protein level of UVRAG was significantly increased in Jurkat T cells which were transfected with hsa-miR-125b-5p lentivirus interferential vector (P<0.001). Conclusion Jurkat T cell lines with stable overexpression or low expression of hsa-miR-125b-5p were successfully established.-
Key words:
- Lentivirus /
- Jurkat T cell /
- miR-125b-5p
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