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  • 标题:Research on substances with activity against orthopoxviruses
  • 本地全文:下载
  • 作者:Marcin Kołodziej ; Justyna Joniec ; Michał Bartoszcze
  • 期刊名称:Annals of Agricultural and Environmental Medicine
  • 印刷版ISSN:1232-1966
  • 电子版ISSN:1898-2263
  • 出版年度:2013
  • 卷号:20
  • 期号:1
  • 页码:1-7
  • 出版社:Institute of Agricultural Medicine in Lublin
  • 摘要:Although smallpox was eradicated over 30 years ago, the disease remains a major threat. High mortality, high infec tivity and low resistance of the contemporary population make the smallpox virus very attractive to terrorists. The possible presence of illegal stocks of the virus or risk of deliberate genetic modifications cause serious concerns among experts. Hence, it is reasonable to seek effective drugs that could be used in case of smallpox outbreak. This paper reviews studies on compounds with proven in vitro or in vivo antipoxviruses potential, which show various mechanisms of ac tion. Nucleoside analogues, such as cidofovir, can inhibit virus replication. Cidofovir derivatives are developed to improve the bioavailability of the drug. Among the nucleoside analogues under current investigation are: ANO (adenozine N1-oxide) and its derivatives, N-methanocarbothymidine [(N)-MC T], or derivatitives of aciklovir, peninclovir and brivudin. Recently, ST-246 – which effectively inhibits infection by limiting release of progeny virions – has become an object of attention. It has been also been demonstrated that compounds such as: nigericin, aptamers and peptides may have antiviral potential. An interesting strategy to fight infections was presented in experiments aimed at defining the role of individual genes (E3L, K3L or C6L) in the pathogenesis, and looking for their potential blockers. Additionally, among substances considered to be effective in the treatment of smallpox cases, there are factors that can block viral inhibitors of the human complement system, epidermal growth fac tor inhibitors or immunomodulators. Further studies on compounds with activity against poxviruses are necessary in order to broaden the pool of available means that could be used in the case of a new outbreak of smallpox
  • 关键词:Orthopoxvirus; smallpox; antivirals
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