This invention relates to an oligonucleotide comprising one or more abasic nucleoside monomers of formula V:
These monomers are useful for modifying of oligonucleotides at one or more positions. This invention also relates to a method of inhibiting the expression of a target gene in a cell. The method comprises contacting the cell with an oligonucleotide having one or more of the above formula (V).
本发明涉及一种包含一种或多种式 V 的消旋核苷单体的寡核苷酸:
这些单体可用于在一个或多个位置修饰寡核苷酸。本发明还涉及一种抑制细胞中靶
基因表达的方法。该方法包括使细胞与具有一个或多个上式(V)的寡核苷酸接触。