16 March 2009

Research on Alzheimer's blood test

Study suggests blood test for Alzheimer’s possible
University of Georgia: 11 March 2009
Researchers have revealed a direct relationship between two specific antibodies and the severity of Alzheimer’s disease symptoms, raising hopes that a diagnostic blood test for the devastating disorder is within reach.

Researchers from the University of Georgia, the Charlie Norwood VA Medical Center in Augusta and the Medical College of Georgia compared antibody levels in blood samples from 118 older adults with the participant’s level of dementia. The team, whose results appear in the current edition of Journal of Gerontology: Medical Sciences, found that the concentration of two specific proteins that are involved in the immune response increases as the severity of dementia increases.

“We found a strong and consistent relationship between two particular antibodies and the level of impairment,” said study co-author L. Stephen Miller, professor and director of clinical psychology training in the UGA Franklin College of Arts and Sciences. “The finding brings us closer to our ultimate goal of developing a blood test that can diagnose Alzheimer’s disease or potentially identify if someone is at higher risk for the disease.” … > full press release

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