Chimeric antisense oligonucleotides and cell transfecting formulations thereof
    2.
    发明授权
    Chimeric antisense oligonucleotides and cell transfecting formulations thereof 有权
    嵌合反义寡核苷酸及其细胞转染制剂

    公开(公告)号:US06677445B1

    公开(公告)日:2004-01-13

    申请号:US09648254

    申请日:2000-08-25

    IPC分类号: C07H2104

    摘要: Chimeric oligonucleotide of the formula 5′-W-X1-Y-X2-Z-3′, where W represents a 5′-O-alkyl nucleotide, each of X1 and X2 represents a block of seven to twelve phosphodiester-linked 2′-O-alkyl ribonucleotides, Y represents a block of five to twelve phosphorothioate-linked deoxyribonucleotides, and Z represents a blocking group effective to block nuclease activity at the 3′ end of the oligonucleotide, are described. These compounds exhibit high resistance to endo- and exonucleases, high sequence specificity, and the ability to activate RNAse H, as evidenced by efficient and long-lasting suppression of target mRNA. The oligonucleotides are preferably transfected into cells in formulations containing a lipid-peptoid conjugate carrier molecule of the formula L-linker-[N(CH2CH2NH2)CH2(C═O)—N(CH2CH2R)CH2(C═O)—N(CH2CH2R)CH2(C═O)]3—NH2, where L is a lipid moiety, including a steroid, and each group R is independently selected from alkyl, aminoalkyl, and aralkyl.

    摘要翻译: 式5-WX 1 -YX 2 -Z-3'的嵌合寡核苷酸,其中W代表5'-O-烷基核苷酸,X 1和X 2各自表示 7至12个磷酸二酯连接的2'-O-烷基核糖核苷酸,Y表示5至12个硫代磷酸酯连接的脱氧核糖核苷酸的嵌段,Z表示有效阻断寡核苷酸3'端的核酸酶活性的封闭基团。 这些化合物表现出对内切核酸酶和外切核酸酶的高抗性,高序列特异性和激活RNA酶H的能力,如靶mRNA的有效和持久的抑制所证明的。 优选将寡核苷酸转染到含有脂质 - 拟肽结合物载体分子的制剂中,其中L是包含类固醇的脂质部分,每个基团R独立地选自烷基,氨基烷基和芳烷基。

    Chimeric antisense oligonucleotides and cell transfecting formulations thereof
    3.
    发明授权
    Chimeric antisense oligonucleotides and cell transfecting formulations thereof 失效
    嵌合反义寡核苷酸及其细胞转染制剂

    公开(公告)号:US06846921B2

    公开(公告)日:2005-01-25

    申请号:US09826519

    申请日:2001-04-03

    摘要: Chimeric oligonucleotide of the formula 5′-W—X1—Y—X2—Z-3′, where W represents a 5′-O-alkyl nucleotide, each of X1 and X2 represents a block of seven to twelve phosphodiester-linked 2′-O-alkyl ribonucleotides, Y represents a block of five to twelve phosphorothioate-linked deoxyribonucleotides, and Z represents a blocking group effective to block nuclease activity at the 3′ end of the oligonucleotide, are described. These compounds exhibit high resistance to endo- and exonucleases, high sequence specificity, and the ability to activate RNAse H, as evidenced by efficient and long-lasting suppression of target mRNA. The oligonucleotides are preferably transfected into cells in formulations containing a lipid-peptoid conjugate carrier molecule of the formula L-linker-[N(CH2CH2NH2)CH2(C═O)—N(CH2CH2R)CH2(C═O)—N(CH2CH2R)CH2(C═O)]3—NH2, where L is a lipid moiety, including a steroid, and each group R is independently selected from alkyl, aminoalkyl, and aralkyl.

    摘要翻译: 式5-WX 1 -YX 2 -Z-3'的嵌合寡核苷酸,其中W代表5'-O-烷基核苷酸,X 1和X 2各自表示 7至12个磷酸二酯连接的2'-O-烷基核糖核苷酸,Y表示5至12个硫代磷酸酯连接的脱氧核糖核苷酸的嵌段,Z表示有效阻断寡核苷酸3'末端核酸酶活性的封闭基团。 这些化合物表现出对内切核酸酶和外切核酸酶的高抗性,高序列特异性和激活RNA酶H的能力,如靶mRNA的有效和持久的抑制所证明的。 优选将寡核苷酸转染到含有脂质 - 拟肽结合物载体分子的制剂中,其中L是包含类固醇的脂质部分,每个基团R独立地选自烷基,氨基烷基和芳烷基。