9 results about "Flavivirus" patented technology

This invention discloses the application of the DNAL1 gene as a target in screening drugs for the prevention and treatment of Zika virus or dengue virus type 2 infection, specifically the application of screening drugs for the prevention and / or treatment of Zika virus or dengue virus type 2 infection with the aim of inhibiting or knocking out the DNAL1 gene. The invention has found that the DNAL1 gene is a key host factor promoting the replication of Zika virus or dengue virus type 2, and that inhibiting the DNAL1 gene through siRNA or knocking out the DNAL1 gene through CRISPR / Cas9 can inhibit the replication of Zika virus or dengue virus type 2. The DNAL1 gene is a potential host factor for flaviviruses, and this invention provides a potential target for the prevention and / or treatment of Zika virus or dengue virus type 2 infection.

The present invention pertains to compounds that inhibit Flavivirus NS2B-NS3 proteases and are potent and selective inhibitors of the West Nile virus and Zika virus. The compounds of the invention can be used alone or in combination with other agents to treat infections caused by these viruses. Additionally, the invention relates to pharmaceutical compositions containing these compounds.

Ligands that target Flavivirus; conjugates comprising radicals of such ligands; compositions comprising the conjugates; methods of use of the ligands and / or conjugates to target active agents to the Flavivirus E protein; and methods of use of the conjugates to treat and prevent Flavivirus infection.

This invention discloses the application of host ITCH as a drug target in the preparation of drugs against normal flavivirus infection, belonging to the field of biomedical technology. This invention is the first to propose and verify the host E3 ubiquitin ligase ITCH as a key target for anti-normal flavivirus infection, and provides an antiviral strategy based on interfering with the interaction between host ITCH and normal flavivirus capsid proteins or inhibiting the expression level / ubiquitin ligase activity of host ITCH. Unlike existing mainstream viral target strategies, this invention is a novel antiviral approach based on host factors, providing a new target and theoretical basis for developing broad-spectrum, low-drug-resistance anti-normal flavivirus drugs.

Compounds, methods, and compositions for treating or preventing viral infections using nucleoside compounds. The nucleoside compounds have increased antiviral activity potential with the result of inhibiting at least one of flaviviruses, herpesviruses, polyomaviruses, alphaviruses, enteroviruses, filoviruses matonaviruses, phenuiviruses, Hepatitis B virus, and / or coronaviruses.

This disclosure relates to engineered flavivirus envelope (E) peptides containing stem-transmembrane domain mutations, virus-like particles (VLPs) containing said engineered E peptides, and the use of said E peptides in the treatment and prevention of flavivirus infection.

The present invention provides polypeptides, and polypeptide dimers, comprising a modified flavivirus envelope E polypeptide, wherein the modified flavivirus envelope E polypeptide comprises i) a cysteine residue in a fusion loop epitope of ectodomain DII; and ii) a cysteine residue in ectodomain DI located in an N-terminal portion of the polypeptide, nucleic acids, vectors, host cells, and pharmaceutical compositions comprising the same, and methods of inducing an immune response in subjects by administering the pharmaceutical compositions of the invention.