Discovery of anti-varicella zoster virus activity of polyether antibiotic CP-44161
2009
In search for new anti-varicella zoster virus (VZV) compounds with new mechanism of action, we applied a DNA hybridization assay (dot blot method) for screening. Using this method, we screened microbial products and found the polyether compound CP-44161 from the culture broth of an actinomycete strain. CP-44161 was previously reported as an anticoccidal agent, but there has been no claim of its antiviral activities. CP-44161 showed strong anti-VZV activity against pOka strain by plaque reduction assay. Moreover, CP-44161 showed lower cytotoxicity than other antiviral polyethers, such as monensin and nigericin. Its better safety margin and strong anti-VZV properties make it a good candidate for a new anti-VZV agent.
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