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The analysis of novel microRNA mimic sequences in cancer cells reveals lack of specificity in stem-loop RT-qPCR-based microRNA detection

机译:对癌细胞中新型microRNA模拟序列的分析显示基于茎环RT-qPCR的microRNA检测缺乏特异性

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摘要

ObjectiveMicroRNAs are frequently downregulated in cancer, and restoring expression has tumour suppressive activity in tumour cells. Our recent phase I clinical trial investigated microRNA-based therapy in patients with malignant pleural mesothelioma. Treatment with TargomiRs, microRNA mimics with novel sequence packaged in EGFR antibody-targeted bacterial minicells, revealed clear signs of clinical activity. In order to detect delivery of microRNA mimics to tumour cells in future clinical trials, we tested hydrolysis probe-based assays specific for the sequence of the novel mimics in transfected mesothelioma cell lines using RT-qPCR.
机译:目的MicroRNA在癌症中经常被下调,并且恢复表达在肿瘤细胞中具有抑癌活性。我们最近的I期临床试验研究了以microRNA为基础的治疗恶性胸膜间皮瘤的方法。用TargomiRs进行治疗,microRNA模拟包装在EGFR抗体靶向的细菌小细胞中的新序列,显示出明显的临床活性迹象。为了在未来的临床试验中检测microRNA模拟物向肿瘤细胞的传递,我们使用RT-qPCR在转染的间皮瘤细胞系中测试了基于水解探针的分析方法,该方法对新型模拟物的序列具有特异性。

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