Word: viruses
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...AIDS Vaccine conference, more details are emerging about this very welcome development. Researchers are pelted with questions: How has this vaccine kept Godot, a test subject at Emory University?s Yerkes Regional Primate Research Center, so healthy, even as scientists injected him with deadly levels of the HIV virus? And, more important, given the same vaccine, would human immune systems mimic the monkey?s remarkable degree of resistance...
...hand, it?s wonderful we can keep a monkey healthy even after he?s injected with dangerous levels of HIV. But on the other hand, we?re not talking about something that?s immediately transferable to humans." There?s also the issue of mutation, he adds. The virus is infamous for its ability to adjust to any attack, to alter its shape or defenses in order to escape detection or destruction from vaccines and treatments...
...would be considered a "xenotransplant," or tissue from another species. Although hundreds of patients have received liver and fetal cells from pigs without any sign of foreign infection, the agency could halt a stem-cell procedure if it felt the human patient was at risk of getting an animal virus. The news sparked renewed calls for the President to loosen his policy and allow further harvesting from embryos, this time without using animal tissue in the Petri dish. Senator John Kerry warns that if federal dollars aren't made available for new cell lines, Congress may yet wrest the policy...
Working with a four-drug combination that is 20% more potent than today's cocktails, Ho has already shown that it is possible to shrink the reservoir faster than with current regimens. Virus, beware...
...microarray is the latest in a long line of scientific coups for Brown, who was among the first to learn how the AIDS virus replicates within healthy cells. "I'm just a scientist who's always daydreaming," he says, "and any time I think I have an interesting idea, I pursue...