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    • 9. 发明授权
    • Oligonucleotide decoys and methods relating thereto
    • 寡核苷酸诱饵及其相关方法
    • US5683985A
    • 1997-11-04
    • US122433
    • 1993-09-22
    • Barbara Chen Fei ChuLeslie Orgel
    • Barbara Chen Fei ChuLeslie Orgel
    • A61K31/70A61K31/7135A61P31/12A61P35/00C07H21/00C07H21/04C07H23/00C12N15/00C12N15/09A61K48/00
    • C07H21/00
    • Improved DNA structures are disclosed which contain target sequences which bind to control proteins (such as the CREB protein). The structures of the present invention are stable to degradation, and are effective as decoys for control proteins, making it possible to modulate the transcriptional control normally exerted by such control proteins. In addition, there is provided a method to reversibly crosslink oligonucleotides to polypeptides which recognize the oligonucleotide sequence. This method involves synthesizing DNA structures as described above, wherein one or more phosphorothioate diester linkages are incorporated into the resulting oligonucleotide, allowing the phosphorothioate diester-containing oligonucleotide to bind to polypeptides which recognize the sequence of said oligonucleotide, then contacting the polypeptide-bound oligonucleotide with a transition metal reagent.
    • PCT No.PCT / US92 / 03205 Sec。 371日期:1993年9月22日 102(e)日期1993年9月22日PCT 1992年4月17日提交PCT公开了包含与对照蛋白(例如CREB蛋白)结合的靶序列的改进的DNA结构。 本发明的结构对降解是稳定的,并且作为对照蛋白质的诱饵是有效的,使得可以调节通常由这种对照蛋白产生的转录控制。 此外,提供了将寡核苷酸可逆地交联以识别寡核苷酸序列的多肽的方法。 该方法包括合成如上所述的DNA结构,其中将一种或多种硫代磷酸酯二酯键并入所得寡核苷酸中,使含硫代磷酸酯二酯的寡核苷酸与识别所述寡核苷酸序列的多肽结合,然后与多肽结合的寡核苷酸接触 与过渡金属试剂。