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Mayo Clinic Researchers Building Melanoma Vaccine to Combat Skin Cancer

 

ROCHESTER, Minn. — Mayo Clinic researchers have trained mouse immune systems to eradicate skin cancer from within, using a genetic combination of human DNA from melanoma cells and a cousin of the rabies virus. The strategy, called cancer immunotherapy, uses a genetically engineered version of the vesicular stomatitis virus to deliver a broad spectrum of genes derived from melanoma cancer cells directly into tumors. In early studies, 60 percent of tumor-burdened mice were cured in fewer than three months and with minimal side effects. Results of the latest study appear this week in the journal Nature Biotechnology.

"We believe that this new technique will help us to identify a whole new set of genes that encode antigens that are important in stimulating the immune system to reject cancer. In particular, we have seen that several proteins need to be expressed together to generate the most effective rejection of the tumors in mice," says Richard Vile, Ph.D., a Mayo Clinic researcher in the Department of Molecular Medicine and a coauthor of the study, along with Jose Pulido, M.D., a Mayo Clinic ophthalmologist and ocular oncologist. Read the full article here.