This invention belongs to the field of
biomedicine, specifically relating to small interfering nucleic acids (MIRNAs) that inhibit KHK
gene expression and their applications. The MIRNA comprises a
sense strand and an antisense strand, wherein the
sense strand and the antisense strand are at least partially anticomplementary to form a double-stranded region. The
sense strand or antisense strand consists of a 19-
nucleotide blunt-terminated complementary
nucleotide sequence; or it consists of a 19-
nucleotide sense strand and a 21-nucleotide antisense strand with overhangs. KHK MIRNAs can highly specifically target KHK
gene mRNA, precisely reducing or inhibiting the expression of this
enzyme, minimizing the
impact on other metabolic pathways, and reducing the risk of side effects.