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May 9, 2006

Cancer Resistance Found to Be Transferable in Mice

Topics: Medicine

00049130-B555-145F-B4F483414B7F4945_1.gifIn 1999, scientists discovered a mutant mouse with the ability to ward off aggressive cancers. Bred with a female, this mighty mouse passed on his cancer resistance to roughly 40 percent of his offspring. No matter how many times the researchers challenged this immune systems of these mice with levels of cancer cells millions of times stronger than those lethal to regular mice, they proved incapable of developing cancer. Now investigators have found that normal mice injected with white blood cells from cancer-resistant mice become resistant themselves.

Of particular interest is the fact that the white blood cells alone were the cause of the cancer resistance. A single injection of these cancer-fighting white blood cells conferred long-lasting immunity in the normal mice. Mice with complete regression remained healthy and tumor-free at the time of publication, 10 months after the experiment.

Posted by Richard at May 9, 2006 7:55 AM



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