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    • 1. 发明申请
    • IN VIVO GENE SENSORS
    • VIVO基因传感器
    • WO2009137136A3
    • 2013-03-21
    • PCT/US2009034296
    • 2009-02-17
    • UNIV BOSTONMASSACHUSETTS INST TECHNOLOGYCOLLINS JAMES JLU TIMOTHY KUAN-TA
    • COLLINS JAMES JLU TIMOTHY KUAN-TA
    • A61K48/00C12N15/10C12N15/11C12N15/62C12N15/63
    • C12N15/1086C12N15/111C12N15/63C12N2310/111C12N2320/50
    • Described are methods and compositions for the detection of target genes. The inventors have developed a synthetic nucleic acid sensor-effector gene circuit. In cells without a target gene, the circuit suppresses e.g., effector production, but in the presence of the target gene the suppression is subject to competition, such that the synthetic sensor is de-repressed and permits expression of the effector gene. The methods and compositions described further permit the selective expression of an effector gene in those cells expressing the target gene. In this manner, cells expressing a target gene can be selectively targeted for treatment or elimination. In certain aspects, the methods and compositions described permit the selective expression of an agent such as a therapeutic gene product, in a specifically targeted population of cells in an organism.
    • 描述了用于检测靶基因的方法和组合物。 本发明人开发了合成核酸传感器 - 效应子基因电路。 在没有靶基因的细胞中,电路抑制例如效应子产生,但是在靶基因的存在下,抑制受到竞争,使得合成传感器被去抑制并且允许效应基因的表达。 所描述的方法和组合物进一步允许在表达靶基因的那些细胞中选择性表达效应基因。 以这种方式,表达靶基因的细胞可以选择性地靶向用于治疗或消除。 在某些方面,所描述的方法和组合允许在生物体中的特定靶细胞群中选择性地表达诸如治疗性基因产物的试剂。
    • 2. 发明申请
    • IN VIVO GENE SENSORS
    • 体内基因传感器
    • WO2009137136A9
    • 2009-12-30
    • PCT/US2009034296
    • 2009-02-17
    • UNIV BOSTONMASSACHUSETTS INST TECHNOLOGYCOLLINS JAMES JLU TIMOTHY KUAN-TA
    • COLLINS JAMES JLU TIMOTHY KUAN-TA
    • C12Q1/68
    • C12N15/1086C12N15/111C12N15/63C12N2310/111C12N2320/50
    • Described are methods and compositions for the detection of target genes. The inventors have developed a synthetic nucleic acid sensor-effector gene circuit. In cells without a target gene, the circuit suppresses e.g., effector production, but in the presence of the target gene the suppression is subject to competition, such that the synthetic sensor is de-repressed and permits expression of the effector gene. The methods and compositions described further permit the selective expression of an effector gene in those cells expressing the target gene. In this manner, cells expressing a target gene can be selectively targeted for treatment or elimination. In certain aspects, the methods and compositions described permit the selective expression of an agent such as a therapeutic gene product, in a specifically targeted population of cells in an organism.
    • 描述了用于检测靶基因的方法和组合物。 本发明人开发了合成的核酸传感器 - 效应基因电路。 在没有靶基因的细胞中,电路抑制例如效应物产生,但是在靶基因存在下抑制受到竞争,使得合成传感器解除抑制并允许效应子基因表达。 所描述的方法和组合物还允许在表达靶基因的那些细胞中选择性表达效应基因。 以这种方式,表达靶基因的细胞可以选择性地靶向治疗或消除。 在某些方面,所述的方法和组合物允许在生物体中特定靶向的细胞群中选择性表达诸如治疗性基因产物的试剂。
    • 9. 发明申请
    • A TUNABLE GENETIC SWITCH FOR REGULATING GENE EXPRESSION
    • 一个可调控的基因表达调控基因表达系统
    • WO2008051854A3
    • 2008-07-31
    • PCT/US2007081965
    • 2007-10-19
    • UNIV BOSTONCOLLINS JAMES JDEANS TARA L
    • COLLINS JAMES JDEANS TARA L
    • C12N15/63C12N15/85
    • C12N15/85C12N15/111C12N15/63C12N2310/14C12N2320/30C12N2800/30C12N2830/005C12N2830/006C12N2830/50C12N2840/102
    • The present invention relates generally the field of genetics, in particular methods, compositions and systems for controlling the inducible expression of transgenes, while eliminating background expression of transgene expression. The present invention relates to methods of use of the compositions and systems as disclosed herein for controlling the inducible expression of transgenes while eliminating background expression of transgene expression, such as use in, for example, the in generation of transgenic animals, use in therapeutic application and use in assays. In some embodiments, the present invention relates to a system of controlled expression of RNAi molecules which target binding sites in the untranslated regions of transgene, thereby the expression of the transgene is modulated and leakiness is reduced. The compositions and methods of the present invention can be used to for therapy, prophylaxis, research and diagnostics in diseases and disorders which afflict mammalian species, generation of transgenic animals, in the study of biological processes as well as for enhance performance of agricultural crops.
    • 本发明一般涉及遗传学领域,特别是用于控制转基因诱导表达的同时消除转基因表达的背景表达的遗传学领域,尤其是方法,组合物和系统。 本发明涉及使用本文公开的组合物和系统来控制转基因的可诱导表达,同时消除转基因表达的背景表达,例如用于转基因动物的产生,用于治疗应用 并用于分析。 在一些实施方案中,本发明涉及靶向RNAi分子的受控表达的系统,其靶向转基因的非翻译区中的结合位点,由此调节转基因的表达并降低泄漏。 本发明的组合物和方法可用于治疗,预防,研究和诊断折磨哺乳动物物种的疾病和病症,生成转基因动物,研究生物过程以及提高农作物的性能。