نتایج جستجو برای: antiviral
تعداد نتایج: 33104 فیلتر نتایج به سال:
Recently, the studies on the antiviral activities of marine natural products, especially marine polysaccharides, are attracting more and more attention all over the world. Marine-derived polysaccharides and their lower molecular weight oligosaccharide derivatives have been shown to possess a variety of antiviral activities. This paper will review the recent progress in research on the antiviral...
The type I interferons (IFNs) (IFNα and IFNβ) not only have potent antiviral activities, but also have pathological functions if produced at high levels or over a long time. Recent articles have described antiviral immune mechanisms that are activated in response to virus infection at epithelial surfaces independently of IFNα and IFNβ. This may allow the host to exert rapid local antiviral acti...
Most human papillomavirus (HPV) antiviral strategies have focused upon inhibiting viral DNA replication, but it is increasingly apparent that viral DNA levels can be chemically controlled by approaches that promote its instability. HPVs and other DNA viruses have a tenuous relationship with their hosts. They must replicate and hide from the DNA damage response (DDR) and innate immune systems, w...
Hepatitis C virus (HCV) is an important global health problem with an estimated prevalence of more than 170 million infected individuals worldwide. Currently, the standard antiviral therapy, based on pegylated interferon alpha and ribavirin, can achieve a virological response in only nearly 50% of the patients infected with HCV genotype 1, the most widely distributed globally. During the last y...
Chicken interferon α (ChIFN-α) and ChIFN-β are type I IFNs that are important antiviral cytokines in the innate immune system. In the present study, we identified the virus-induced expression of ChIFN-α and ChIFN-β in chicken fibroblast DF-1 cells and systematically evaluated the antiviral activities of recombinant ChIFN-α and ChIFN-β by cytopathic-effect (CPE) inhibition assays. We found that ...
The ability of antiviral therapy to reduce risk of post-hepatectomy hepatitis B virus (HBV) reactivation in patients negative for viral DNA is unclear. This prospective study involved 174 consecutive patients with hepatitis B virus related hepatocellular carcinoma who were negative for hepatitis B virus DNA in serum and who underwent hepatic resection. Hepatitis B virus reactivation occurred in...
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