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SOURCE: Harvard Health Publications
New targets for Alzheimer's disease research, including beta-amyloid protein, tau tangles, and inflammation, hold the possibility of preventing the ravages of this mind-stealing disease.
Boston MA (PRWEB) February 04, 2013
None of the current treatments for Alzheimer's can stop the disease or slow the process that leads to its theft of memory and personality. A new direction in Alzheimer’s research, highlighted in the February 2013 issue of the Harvard Women's Health Watch, may someday change that.
“For the past 20 or even 30 years we’ve been focused on treating the end stage of Alzheimer’s, and we must shift our paradigm to start thinking about prevention,” says Dr. Reisa Sperling, director of the Center for Alzheimer’s Research and Treatment at Harvard-affiliated Brigham and Women’s Hospital.
Dr. Sperling and other researchers are focusing on several approaches for early intervention, before Alzheimer's affects memory, thinking, and behavior. Three key areas include:
Beta-amyloid plaque. People with Alzheimer's disease have in their brains accumulations called plaques made up of the protein beta-amyloid. Because amyloid deposits appear in the brain a full decade before symptoms appear, researchers want to know if starting an amyloid-busting drug as soon as plaques appear can prevent the progression of Alzheimer's disease.
- Tau. Another sign of Alzheimer’s disease is the appearance of protein tangles in the brain. These tangles are made up of a protein called tau. Like beta-amyloid plaques, tau tangles can destroy nerves and cause dementia. Researchers are investigating various ways to prevent tangles from forming.
- Inflammation. The same processes that help protect against infection may be at work promoting Alzheimer’s. Inflammation can lead to nerve damage in the brain. Researchers are testing whether therapies aimed at reducing inflammation to see if they interrupt the Alzheimer’s disease process.
Until researchers identify effective ways to prevent Alzheimer’s, women (and men) can take charge of their memory and cognitive function by staying mentally and physically active. There is good evidence that exercising regularly—incorporating both aerobic activity and strength training—can help protect nerve cells. Social interaction is also helpful for protecting memory.
Read the full-length article: "New hope for Alzheimer’s"
Also in the February 2013 issue of the Harvard Women's Health Watch:
- Sex and the heart
- Common vision problems in women
- Do women need to see a gynecologist every year?
- What to do for high triglycerides with normal cholesterol
Harvard Women's Health Watch is available from Harvard Health Publications, the publishing division of Harvard Medical School, for $20 per year. Subscribe at http://www.health.harvard.edu/womens or by calling 877-649-9457 (toll-free).
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