会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 9. 发明申请
    • THIO-MODIFIED APTAMER SYNTHETIC METHODS AND COMPOSITIONS
    • THIO改性APTAMER合成方法和组合物
    • WO00024404A1
    • 2000-05-04
    • PCT/US1999/024058
    • 1999-10-26
    • A61K38/00C07B61/00C07H21/00C12N15/10C12N15/115C12Q1/68A61K31/70B01D15/04C07H21/02C07H21/04C12P19/34
    • C12N15/115A61K38/00C07H21/00C12N15/1048C12N2310/313C12N2310/315C40B40/00
    • The present invention provides a method for concurrent achiral nucleotide modification and amplification using PCR. Provided by this method are NF-kB specific thioaptamers of novel sequence. This invention further provides methods of post-selection aptamer modification wherein one or more selected nucleotides of aptamers of known sequence are substituted with modified achiral nucleotides, particularly achiral thiophosphate nucleotides, wherein the substitution results in increased nuclease resistance while retaining binding efficiency and selectivity. Thiosubstitution of post-selection aptamers with specificity for the nuclear factor, NF- kappa B, produced in accordance with this method have increased binding affinity and specificity in addition to nuclease resistance. Also provided are methods for fractionating oligonucleotides depending on their degree of thiosubstitution by anion exchange chromatography.
    • 本发明提供了使用PCR进行同时进行的手性核苷酸修饰和扩增的方法。 通过这种方法提供的是新型序列的NF-kB特异性硫胺素。 本发明还提供了后选择适体修饰的方法,其中已知序列的适配体的一个或多个选定的核苷酸被修饰的非手性核苷酸,特别是非手性硫代磷酸核苷酸取代,其中取代导致增加的核酸酶抗性同时保持结合效率和选择性。 根据该方法产生的对核因子NF-κB特异性的选择后适配子的硫取代取决于除核酸酶抗性之外还具有增加的结合亲和力和特异性。 还提供了根据其通过阴离子交换色谱法进行硫代替换的程度来分​​级寡核苷酸的方法。