An oligonucleotide analog or an antisense molecule, which is minimally hydrolyzable with an enzyme in vivo, has a high sense strand binding ability, and is easily synthesized, is provided. It is an oligo- or polynucleotide analog containing one or more monomer units being nucleotide analogs of the general formula:
where B may be identical or different, and is a pyrimidine or purine nucleic acid base, or a derivative thereof.
本发明提供了一种寡核苷酸类似物或反义分子,它在体内与酶的
水解程度极低,具有较高的有义链结合能力,并且易于合成。 它是一种寡核苷酸或多核苷酸类似物,含有一个或多个单体单元,这些单体单元是通式如下的核苷酸类似物:其中 B 可以相同或不同,并且是
嘧啶或
嘌呤核酸碱基或其衍
生物。