GM-CSF as immunostimulant

Somatix Therapy Corp. said that in mouse studies GM-CSF genes inserted into inactivated melanoma cells conferred systemic immunity for at least two months in 80 percent of animals challenged with live melanoma cells. The study, led by researchers at the Whitehead Institute for Biomedical Research, was published in the latest issue of the Proceedings of the National Academy of Sciences.

The researchers compared the activity of 10 cytokines - IL-2, IL-4, IL-5, IL