The present invention relates to a method based on AAV (Adeno-associated? Virus) miRNA detection method for high throughput miRNA active carrier? Asensor? Array (miRNA? Sensor? Based? AAV? Vector? Array, based on a biosensor for detecting activity of miRNA AAV vector, and the activity of miRNA cells) in different cell characteristics of spectrum detection, miRNA spectrum of activity detection and external factors (such as drugs, the application of transgenic) cell miRNA activity spectrum effect etc.. MiRNA Asensor miRNA Array consists of control, Asensor, and a variety of miRNA Asensor sequences that carry miRNA target sequences, which are arranged in a certain order. Control? Asensor and miRNA? Asensor were included Gluc (Gaussia? Luciferase) and Fluc (Firefly? Luciferase) two expression independent units, of which Gluc used to detect the activity of miRNA, Fluc is used to calculate the miRNA? Asensor transduction coefficient, correction of different miRNA difference between Asensor infection?. When in use, the cells to be detected were added to the prepared miRNA Asensor Array, and the expression of Gluc was detected after a period of time, and the miRNA activity spectrum in the cells was calculated according to the transduction coefficient. This method provides a new choice for the study of the production of miRNA activity spectrum and its influencing factors.
【技术实现步骤摘要】
基于AAV载体的高通量miRNA活性检测方法及其应用本专利技术属于生物技术专利
是我们申请的中国专利”AAV病毒反向感染技术及AAV病毒阵列(申请号200910009059. 6)”和”携带基于hGluc基因的miRNA传感器的重组AAV病毒库及用途(申请号200910223723. 7)”的延续和扩展。本专利技术具体涉及一种基于AAV (Adeno-associated virus)载体的高通量miRNA活性检测方法miRNA AsensorArray (miRNA sensor based AAV vector Array,基于 AAV 载体的、用于 miRNA 活性检测的生物传感器)及其在细胞miRNA活性谱检测、不同细胞特征miRNA活性谱检测和外界因素(如药物、转基因)对细胞miRNA活性谱的影响等方面的应用。miRNA Asensor Array由不携带miRNA祀序列的control Asensor和多种携带miRNA祀序列的miRNA Asensor按照一 定顺序排列组成。Control Asensor 和 miRNA Asensor 均包含 Gluc (Gaussia Iuciferase)和Fluc (firefly luciferase)两个独立的表达单元,其中Gluc用于miRNA活性检测,Fluc用于计算miRNA Asensor的转导系数,校正不同miRNA Asensor之间的感染性差异。使用时,将待检测细胞加入到制备好的miRNA Asensor Array中,一段时间后检测Gluc表达情况并根据转导系数计算出细胞中m ...
【技术保护点】
【技术特征摘要】
1.一种基于AAV载体的、用于高通量地检测活细胞的miRNA活性的miRNA活性检测阵列的检测技术方法。2.根据权利要求1,miRNA活性检测阵列的检测技术方法中所使用的miRNAAsensor,其特征在于,其基因组中包含Fluc和Gluc两个独立的表达框,且表达框间被绝缘子序列分隔,其中Fluc表达框用于校正不同miRNAAsensor间的转导效率差异,Gluc表达框用于探测细胞内miRNA活性。3.根据权利要求2,miRNA活性检测阵列的检测技术方法中,病毒感染校正单元中的Fluc的表达水平与Gluc的表达水平有平行线性关系,miRNA活性检测单元中的Gluc的表达水平与miRNA活性有平行线性关系。4.根据权利要求I,为校正miRNAAsensor间的转导效率差异,我们以Fluc的表达水平来表示miRNA Asensor的转导效率的高低,提出了转导系数(Transduction coefficient,TC)的概念,用转导系数表示miRNAAsensor间的转导效率的高低,这样,可以有效地量化miRNA Asensor转导效率的高低,校正因不同miRNA Asensor转导效率差异而导致的miRNAAsensor Array 测量误差。5.根据权利要求1,miRNA活性检测阵列的检测技术方法中所使用的miRNAAsensorAr...
【专利技术属性】
技术研发人员:董小岩,田文洪,吴小兵,董哲岳,
申请(专利权)人:北京五加和分子医学研究所有限公司,
类型:发明
国别省市:
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