Yeah science! [quote]The patients all had B-cell acute lymphoblastic leukemia and had relapsed following chemotherapy. The outlook for patients in this category is typically bleak. The researchers filtered the patients’ blood for T-cells and engineered them with a virus carrying genetic material that would make them recognize CD19, a protein expressed on the surfaces of B-cells. When put back into the patients, the T-cells were meant to attack the B-cells, whether cancerous or normal. The patients experienced unpleasant and dangerous immune reactions, but four of them, including the one that eventually died of an unrelated blood clot, went into remission.[/quote] [url=http://www.the-scientist.com/?articles.view/articleNo/34857/title/Immune-System-Kills-Cancer/]Full article[/url]