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    • 2. 发明专利
    • Modified polynucleotide for use in rna interference
    • 用于RNA干扰的改性多核苷酸
    • JP2010172344A
    • 2010-08-12
    • JP2010106021
    • 2010-04-30
    • Dharmacon Incダーマコン, インコーポレイテッド
    • LEAKE DEVINREYNOLDS ANGELAKHVOROVA ANGELAMARSHALL WILLIAMFEDOROV YURIYNICHOLS KIMBERLY
    • C12N15/113A61K31/713A61P35/00
    • PROBLEM TO BE SOLVED: To provide a modification for an siRNA capable of increasing or decreasing specificity and/or stability. SOLUTION: There are provided a method and a composition for performing RNA interference comprising a wide variety of stabilized siRNAs suitable for use in serum-containing media and for in vivo applications (such as therapeutic applications). Uniquely modified siRNAs have been developed that reduce off-target effects incurred in gene-silencing. The modifications include phosphorylation of the first 5' terminal antisense nucleotide; 2' carbon modifications of the first and second or first, second and third 5' terminal antisense nucleotides; and optionally 2' carbon modifications of the first and second or first, second and third 5' terminal sense nucleotides. Control and exaequo molecules are also provided. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供能够增加或降低特异性和/或稳定性的siRNA的修饰。 提供了一种用于进行RNA干扰的方法和组合物,其包含适用于含血清培养基和体内应用(例如治疗应用)的各种稳定的siRNA。 已经开发了独特修饰的siRNA,其减少在基因沉默中引起的脱靶效应。 修饰包括前5'末端反义核苷酸的磷酸化; 2'碳修饰的第一和第二,第二和第三个5'末端反义核苷酸; 和第一和第二,第二和第三个5'末端有义核苷酸的任选的2'碳修饰。 还提供对照和exaequo分子。 版权所有(C)2010,JPO&INPIT
    • 10. 发明申请
    • IDENTIFICATION OF TOXIC NUCLEOTIDE SEQUENCES
    • 鉴定毒素核苷酸序列
    • WO2005090606A2
    • 2005-09-29
    • PCT/US2005003131
    • 2005-01-21
    • DHARMACON INC
    • FEDOROV YURIYKARPILOW JONKHVOROVA ANASTASIA
    • C07H21/02C07H21/04C12N15/11C12Q1/68G01N33/48G01N33/50G06F19/00
    • C12Q1/6883C12N15/111C12N2310/14C12N2310/53C12N2320/10C12Q2600/142
    • Toxic nucleic acid sequences and methods for identifying, using, and screening libraries for them, including in silico screening, are provided. Compositions of the invention comprise unimolecular and double stranded polynucleotides comprising at least one toxicity region. Toxic sequences of the invention include A/G UUU A/G/U, G/C AAA G/C, and/or GCCA, NUUU, wherein N is any nucleotide, or complements thereof. The invention also provides a method of inducing a toxic response in a cell, comprising introducing into the cell a unimolecular or double stranded polynucleotide comprising at least one toxicity region comprising a sequence selected from the group consisting of A/G UUU A/G/U, G/C AAA G/C, GAAT, and GCCA, NUUU, wherein N is any nucleotide, or a complement of any of the foregoing, wherein said unimolecular or double stranded polynucleotide is at least 5 base pairs long and is comprises a sense and antisense region that are at least substantially complementary.
    • 提供了有毒的核酸序列和用于识别,使用和筛选其文库的方法,包括计算机筛选。 本发明的组合物包含包含至少一个毒性区域的单分子和双链多核苷酸。 本发明的毒性序列包括A / G UUU A / G / U,G / C AAA G / C和/或GCCA,NUUU,其中N是任何核苷酸或其互补序列。 本发明还提供了在细胞中诱导毒性反应的方法,包括向细胞中引入单分子或双链多核苷酸,所述单分子或双链多核苷酸包含至少一个毒性区,其包含选自A / G UUU A / G / U ,G / C AAA G / C,GAAT和GCCA,NUUU,其中N是任何前述的任何核苷酸或补体,其中所述单分子或双链多核苷酸长至少5个碱基对,并且包含感觉 和至少基本上互补的反义区。