The present invention describes methods for the identification and production of nucleic acid ligands to a target molecule based on the SELEX process. The methods may be performed with modified nucleic acids, blended nucleic acids and with separate steps of contacting of the candidate mixture of nucleic acids with target and with nontarget molecules. Included in the invention are methods for the identification and preparation of nucleic acid ligands to thrombin, vascular endothelial growth factor, human neutrophil elastase, caffeine and theophylline and nucleic acid ligands to thrombin identified by the SELEX method.
本发明描述了基于
SELEX 过程鉴定和生产靶分子核酸
配体的方法。这些方法可以用修饰核酸、混合核酸以及候选核酸混合物分别与靶分子和非靶分子接触的步骤来进行。本发明包括凝血酶、血管内皮生长因子、人中性粒细胞
弹性蛋白酶、
咖啡因和茶碱的核酸
配体以及通过
SELEX 方法鉴定的凝血酶核酸
配体的鉴定和制备方法。