NATURALLY OCCURRING IN NATURE SIRNA TO CONTROL GENE EXPRESSION AND USE THEREOF Russian patent published in 2020 - IPC C12N15/113 A61K31/7105 A61K47/18 A61K47/34 A61K47/42 A61K48/00 

Abstract RU 2740032 C2

FIELD: biotechnology.

SUBSTANCE: described is a group of inventions comprising a single-chain ribonucleic acid for inhibiting expression of a target gene, containing region X and region Y, a composition for inhibiting expression of a target gene containing said single-chain ribonucleic acid, a pharmaceutical composition, a method for inhibiting expression of a target gene, a method of treating a disease selected from a malignant growth, pulmonary fibrosis or hepatic fibrosis and use of single-chain ribonucleic acid for treating said diseases. In one embodiment, the X domain of single-chain ribonucleic acid comprises (a) a sequence of a "guide" chain or (b) a sequence of a "passenger" chain of mature siRNA and 3'-end of said region X and 5'-end of region Y are linked through a linker region having a non-nucleotide structure.

EFFECT: invention extends the range of agents for inhibiting expression of a target gene.

33 cl, 3 tbl, 11 ex, 13 dwg

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RU 2 740 032 C2

Authors

Aoki Eriko

Yoshida Yasuhiko

Kato Shiori

Ohgi Tadaaki

Dates

2020-12-30Published

2015-12-25Filed