NUCLEIC ACID, COMPOSITION AND CONJUGATE CONTAINING NUCLEIC ACID, PREPARATION METHOD AND USE
申请人:Suzhou Ribo Life Science Co., Ltd.
公开号:EP3718572A1
公开(公告)日:2020-10-07
Provided are an siRNA for inhibiting expression of a Hepatitis B virus gene, and a pharmaceutical composition and conjugate containing the siRNA. Each nucleotide in the siRNA is an independently modified or unmodified nucleotide; the siRNA comprises a sense strand and an antisense strand; the sense strand comprises a nucleotide sequence A; the length of the nucleotide sequence A is the same as that of a nucleotide sequence as shown in SEQ ID NO: 1, and the number of the nucleotide differences is not more than three; the antisense strand comprises a nucleotide sequence B; and the length of the nucleotide sequence B is the same as that of a nucleotide sequence as shown in SEQ ID NO: 2, and number of nucleotide differences is not more than three.
本发明提供了一种用于抑制乙型肝炎病毒基因表达的 siRNA,以及含有该 siRNA 的药物组合物和共轭物。siRNA 中的每个核苷酸都是独立修饰或未修饰的核苷酸;siRNA 包括有义链和反义链;有义链包括核苷酸序列 A;核苷酸序列 A 的长度与 SEQ ID NO:1 所示的核苷酸序列相同,且核苷酸差异数目不超过三个;反义链包括核苷酸序列 B;核苷酸序列 B 的长度与 SEQ ID NO: 2 所示的核苷酸序列相同,且核苷酸差异数目不超过三个。