An anonymous reader writes "Expanding on previous research providing proof-of-principle that human stem cells can be genetically engineered into HIV-fighting cells, a team of UCLA researchers have now demonstrated that these cells can actually attack HIV-infected cells in a living organism. From the article: 'This most recent study shows that scientists can manipulate stem cells — immature cells that can develop into any type of cell — by implanting genes, turning it into killer T cells which can kill the virus in living mice. While the mouse form of HIV is not exactly the same as it is in humans, the infection and progression closely mimic the virus in humans, and eliminating it is a huge step forward, researchers said.'"
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