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Researchers Building Melanoma Vaccine to Combat Skin Cancer
Posted: March 26, 2012
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Cancers can learn to hide from a normal immune system, but appear unable to escape an immune system trained by the vesicular stomatitis virus with the wide range of DNA used in the library approach.
"Nobody knows how many antigens the immune system can really see on tumor cells," says Dr. Vile. "By expressing all of these proteins in highly immunogenic viruses, we increased their visibility to the immune system. The immune system now thinks it is being invaded by the viruses, which are expressing cancer-related antigens that should be eliminated." Much immunotherapy research has slowed because of researchers' inability to isolate a sufficiently diverse collection of antigens in tumor cells. Tumors in these scenarios are able to mutate and reestablish themselves in spite of the body's immune system.
ScienceDaily, March 19, 2012