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July 17th, 2011
02:00 AM ET

Researchers believe they may be a step closer to HIV vaccine

Researchers are hoping they are one step closer to a HIV vaccine – using HIV. At the 6th International AIDS Society Conference on HIV Pathogens, Treatment, and Prevention in Rome, researchers with the Maryland-based VirxSys Corporation announced the findings of their VRX1273 vaccine.

The vaccine is a genetically altered version of SIV, the version of HIV found in non-human primates. Over the course of six months, five infected monkeys were injected with the vaccine three times, while five others were given a placebo vaccine. After 18 months, it was found that 40% of the vaccinated monkeys had very low to undetectable amounts of virus in their bodies.

“We are well on the path to a functional cure, at least in monkeys,” says  Laurent Humeau, VirxSys vice president of  research and development.

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Falls may indicate earliest stages of Alzheimer’s
July 17th, 2011
01:00 AM ET

Falls may indicate earliest stages of Alzheimer’s

It’s no medical mystery that the most effective way to treat Alzheimer’s disease  is early and aggressively.  But promising new research out of Washington University in St. Louis, Missouri,  is offering increased hope for earlier detection of the disease.

Falls, it turns out, are more common among individuals with the earliest signs of Alzheimer’s. Researchers at the Knight Alzheimer’s Disease Research Center  presented their findings Sunday at the 2011 Alzheimer’s Association International Conference in Paris. In some instances – according to Maria Carrillo, senior director of medical and scientific relations for the Alzheimer’s Association, so-called silent biological changes in the brain may take place a decade or more before the outward symptoms begin to manifest.

An estimated 5.4 million Americans are currently living with Alzheimer’s disease. It’s the sixth-leading cause of death in the United States, the only one of the top ten causes of death that can’t be prevented, cured, or slowed.
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About this blog

Get a behind-the-scenes look at the latest stories from CNN Chief Medical Correspondent, Dr. Sanjay Gupta, Senior Medical Correspondent Elizabeth Cohen and the CNN Medical Unit producers. They'll share news and views on health and medical trends - info that will help you take better care of yourself and the people you love.

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