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Base-modified ribonucleosides as potential anti-hepatitis C virus agents. 2008

A V Ivanov, and O A Smirnova, and N A Golubeva, and M A Ivanov, and V L Tunitskaya, and A V Shipitsyn, and L A Alexandrova
Engelhardt Institute of Molecular Biology RAS, 119991 Moscow, Russia.

Four novel series of base modified ribonucleoside analogues were synthesized and evaluated as potential anti-HCV agents. For two compounds notable anti-HCV activity was observed The triphosphates of bicyclic pyrimidine ribonucleosides were studied as substrates/inhibitors of HCV RNA-dependent RNA polymerase (RdRp, NS5B protein) and RNA helicase/NTPase (NS3 protein).

UI MeSH Term Description Entries
D000998 Antiviral Agents Agents used in the prophylaxis or therapy of VIRUS DISEASES. Some of the ways they may act include preventing viral replication by inhibiting viral DNA polymerase; binding to specific cell-surface receptors and inhibiting viral penetration or uncoating; inhibiting viral protein synthesis; or blocking late stages of virus assembly. Antiviral,Antiviral Agent,Antiviral Drug,Antivirals,Antiviral Drugs,Agent, Antiviral,Agents, Antiviral,Drug, Antiviral,Drugs, Antiviral
D012263 Ribonucleosides Nucleosides in which the purine or pyrimidine base is combined with ribose. (Dorland, 28th ed)
D012265 Ribonucleotides Nucleotides in which the purine or pyrimidine base is combined with ribose. (Dorland, 28th ed) Ribonucleoside Phosphates,Ribonucleotide,Phosphates, Ribonucleoside
D012324 RNA-Dependent RNA Polymerase An enzyme that catalyses RNA-template-directed extension of the 3'- end of an RNA strand by one nucleotide at a time, and can initiate a chain de novo. (Enzyme Nomenclature, 1992, p293) Nucleoside-Triphosphate:RNA Nucleotidyltransferase (RNA-directed),RNA Replicase,RNA-Dependent RNA Replicase,RNA-Directed RNA Polymerase,RNA Dependent RNA Polymerase,RNA Dependent RNA Replicase,RNA Directed RNA Polymerase,RNA Polymerase, RNA-Dependent,RNA Polymerase, RNA-Directed,RNA Replicase, RNA-Dependent,Replicase, RNA,Replicase, RNA-Dependent RNA
D016174 Hepacivirus A genus of FLAVIVIRIDAE causing parenterally-transmitted HEPATITIS C which is associated with transfusions and drug abuse. Hepatitis C virus is the type species. Hepatitis C virus,Hepatitis C-Like Viruses,Hepaciviruses,Hepatitis C Like Viruses,Hepatitis C viruses,Hepatitis C-Like Virus
D017361 Viral Nonstructural Proteins Proteins encoded by a VIRAL GENOME that are not structural components of VIRUS PARTICLES. Some of these proteins may play roles within the infected cell during VIRUS REPLICATION or act in regulation of virus replication or VIRUS ASSEMBLY. Nonstructural Proteins, Viral,NS Proteins, Viral,Viral NS Proteins,Viral Non-Structural Proteins,Viral Nonstructural Protein,Viral Nonstructural Proteins NS1,Viral Nonstructural Proteins NS2,Nonstructural Protein, Viral,Viral Non Structural Proteins
D020365 RNA Helicases A family of proteins that promote unwinding of RNA during splicing and translation. RNA Helicase,Helicase, RNA,Helicases, RNA

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