FIELD: medicine, pharmaceutics.
SUBSTANCE: invention relates to field of molecular biology and biotechnology and can be used in medicine and in pharmaceutical industry. RNA molecule, capable of target-specific RNA interference, represents double-stranded RNA molecule, 23 nucleotides long, which has 3'-overhang from 1-5 nucleotides. It is obtained by joining two RNA strands and used for obtaining pharmaceutical composition. When introduced into multicellular eukaryotic organism or in a cell of multicellular eukaryotic organism, said RNA molecule ensures promotion of target-specific RNA interference and leads to reduction of target-gene expression level or to target-gene knockout. Method of promoting target-specific RNA interference by means of said RNA molecule is applied for determination or modulation of gene function. Cell, containing endogenic target nucleic acid, RNA molecule, capable of target-specific RNA interference, and exogenic target nucleic acid, is used in analytical procedures.
EFFECT: application of invention ensures target-gene silencing, mediated by target-specific RNA interference.
40 cl, 23 dwg, 3 ex
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