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水通道蛋白8基因3’-非翻译区荧光素酶报告载体的构建及其活性鉴定 被引量:1

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摘要 目的:构建水通道蛋白8(AQP8)基因3’-UTR荧光素酶报告载体,与microRNA(miRNA)共转染HT29细胞,分析miRNA对其调控作用。方法:以HT29细胞基因组DNA为模板PCR扩增AQP8基因3’-UTR序列,并将其克隆到荧光素酶报告载体pGL3M上;根据生物信息学软件Targetscan和miRanda预测可能与AQP8基因3’-UTR作用的miRNA,将pGL3-AQP8 3’-UTR和预测miRNA共转染,利用双荧光素酶报告系统检测荧光素酶活性。结果:成功构建AQP8基因3’-UTR序列荧光素酶报告载体;生物信息学软件预测miRNA靶点显示AQP8基因3’-UTR可能是miR-214、miR-15a、miR-330、miR-137、miR-32、miR-612、miR-200a/141、miR-16的作用靶点;与对照组相比,miR-15a、miR-330、miR-32、miR-612、miR-200a、miR-16可使荧光素酶活性降低10%~45%。结论:成功地构建AQP8基因3’UTR荧光素酶报告载体,miR-15a、miR-330、miR-32、miR-612、miR-200a和miR-16可抑制其荧光素酶活性。
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2012年第8期876-878,共3页 Chinese Journal of Cellular and Molecular Immunology
基金 国家自然科学基金资助项目(30570822)
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