CHIRAL NUCLEIC ACID ADJUVANT Russian patent published in 2019 - IPC C07H21/04 C12N15/00 A61K39/39 A61P11/00 A61P17/02 A61P31/00 A61P35/00 A61P37/00 A61P43/00 

FIELD: medicine.

SUBSTANCE: invention relates to an oligonucleotide that can be used in medicine, the oligonucleotide contains two to four sequences, each represented by formula 5'-X₁X₂CpGX₃X₄-3', having a length of 17 to 32 nucleotides, where CpG is unmethylated CpG having no phosphate backbone modifications, where the oligonucleotide includes a phosphate backbone modification, including thiophosphate of an Sp-type stereoisomer at a site, with the exception of the parts represented by formula 5'-X₁X₂CpGX₃X₄-3', where X₁X₂ represents any one of AA, AT, GA or GT without phosphate backbone modifications, and where X₃X₄ is a TT, AT, AC, TC or CG without phosphate backbone modifications, and the oligonucleotide includes any one of the sequences, where * represents an Sp stereoisomer:

Sequence Number Sequence 1 T*C*GTCGTT*T*T*GTCGTT*T*T*GTCGGG 2 G*G*GTCGTT*T*T*GTCGTT*T*T*GTCGGG 3 T*C*AACGTT*T*C*AACGTT*T*T 4 T*C*AACGTT*T*C*AACGTT*T*T*GG 5 T*C*AACGTT*T*C*AACGTT*G*G 6 T*C*AACGTT*T*C*AACGTT*G*G*G*G 7 T*C*AACGTT*T*T*AACGTT*T*T*AACGGG 10 T*C*AACGTT*T*A*AACGTT*T*A*AACGGG 11 T*C*AACGTTAACGTTAACGGG 12 T*C*GACGTT*T*T*GACGTT*T*T*GACGGG 21 T*C*GACGTT*T*A*AACGTT*T*A*AACGTT*T*A*AACGGG 22 T*C*GACGTT*T*A*AACGTT*T*A*GACGTT*T*A*AACGGG 23 T*C*GACGTTAACGTTAACGTTAACGGG 24 GGGACGTT*T*A*AACGTCTAGACGGG 26 T*C*GACGTT*T*T*GACGTT*T*T*G*A*C*G*G*G 29 T*C*GACGTT*T*T*GACGTT*T*T*GACGG*G*G 30 T*C*GACGTT*T*T*GACGTT*T*T*GACGT*G*G 31 T*C*GACGTT*T*T*GACGTT*T*T*GACGTG*G*G 32 T*C*GACGTT*T*T*GACGTT*T*T*G*A*C*G*G*G 33 T*C*GACGTT*T*T*GACGTT*T*T*GACGG*G*G*G*G 36 T*C*GACGTT*T*T*GACGTT*T*T*GACG*G*G*G*G 39 T*C*ATCGAT*T*T*ATCGAT*T*T*ATCGGG 42 G*G*GACGATATCGTCG*G*G*G*G*G 43 G*G*GACGACGTCGTCG*G*G*G*G*G 49 T*C*ATCGAT*T*T*ATCGAT*T*T*A*A*C*G*G*G 50 T*C*GACGTTTTGACGTT*T*T*G*A*C*G*G*G 51 T*C*GACGTTTTGACGTTTT*G*A*C*G*G*G 60 T*C*GACGTT*T*T*GACGTT*T*T*G*G*G*G*G 61 T*C*GACGTT*T*T*GACGTT*T*T*G*A*G*G*G*G 62 T*C*GACGTT*T*T*GACGTT*T*T*G*T*G*G*G*G 64 C*C*GACGTT*T*T*GACGTT*T*T*GACG*G*G 65 T*C*GACGTT*T*A*GACGTT*T*A*GACG*G*G 66 T*C*GACGTT*T*T*GACGTT*T*T*GACG*A*A 67 T*C*GACGTT*T*T*GACGTT*T*T*GACG*T*T 68 T*C*AACGTT*T*T*AACGTT*T*T*GACG*G*G 69 T*C*GACGTT*T*T*GACGTT*T*T*GGG 70 T*C*GACGTT*T*T*GACGTT*T*T*GACGTTGG 71 T*C*GACGTT*GACGTT*G*G*G 75 T*C*GACGTA*GACGTA*GACG*G*G 76 T*A*GACGAT*T*C*GTCGTC*T*A*GACG*G*G 81 T*C*ATCGAT*T*T*ATCGAT*T*T*GACG*G*G 82 T*C*ATCGAT*T*T*ATCGAT*T*T*ATCGA*T*G*G*G 83 T*C*ATCGAT*T*T*ATCGAT*T*T*AT*C*G*G*G 84 T*C*ATCGAT*T*T*ATCGAT*T*T*ATCGAT*T*T*ATCG*G*G 85 T*C*ATCGAT*T*T*ATCGAT*T*T*ATCGAT*T*T*A*T*C*G*G*G 86 T*C*ATCGAT*T*T*ATCGAT*T*T*ATCGAT*A*T*C*G*G*G 87 T*T*ATCGAT*T*T*ATCGAT*T*T*G*A*C*G*G*G 88 T*C*ATCGATATCGAT*T*T*G*A*C*G*G*G 89 TCATCGAT*T*T*ATCGAT*T*T*A*T*C*G*G*G 90 T*C*ATCGAT*T*T*ATCGAT*T*T*G*A*C*G*A*T 95 T*C*GACGTTTGACGTTT*G*A*C*G*G*G 96 T*C*ATCGAT*T*T*ATCGAT*T*T*A*T*C*G*G*G 97 G*G*GACGATATCGTCG*G*G*G*G*G 99 G*G*GACGACGTCGTCG*G*G*G*G 100 T*C*GACGACGTCGTCG*G*G*G*G*G 101 T*C*GACGACGTCGTCT*T*T*G*G*G 102 T*A*GACGACGTCGTCT*T*T*G*G*G 103 T*T*GACGACGTCGTCA*A*A*G*G*G 106 T*C*ATCGATATCGATT*T*T*G*G*G 107 T*T*ATCGATATCGATA*A*A*G*G*G 109 T*C*GACGAC*T*T*GACGAC*T*T*G*A*C*G*G*G 110 T*C*GACGAC*T*T*GTCGTC*T*T*G*A*C*G*G*G 111 T*T*ATCGATATCGATA*T*C*G*A*T*G*G*G 112 T*T*ATCGATATCGATT*T*A*A*A*G*G*G 113 T*C*ATCGAT*T*T*ATCGAT*T*T*G*A*C*G*T*T 118 T*C*GTCGTTGTCGTTG*A*C*G*A*C*G*G*G

See table.

EFFECT: provided is CpG oligonucleotide, possessing high stability and low cytotoxicity for the production of interferon-α.

6 cl, 3 dwg, 11 tbl, 6 ex, sequence list