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I wish we had this marvelous biotechnology in mass production right now:

Tumor-killing replicating viruses are a hot topic in the biotherapeutics arena, with many clinical trials ongoing worldwide. That Professor Seymour's group set out to and has now defined a mechanism whereby wild type virus potency could be maintained in tumor cells but the virus could be 'turned off' in tissues vulnerable to pathology adds important information to the current base of knowledge.

"This approach is surprisingly effective and quite versatile. It could find a range of applications in controlling the activity of therapeutic viruses, both for cancer research and also to engineer a new generation of conditionally-replicating vaccines, where the vaccine pathogen is disabled in its primary sites of toxicity," Professor Seymour says.

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