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Genome-wide imaging study identifies new gene associated with Alzheimer's plaques
Date:2/20/2013

the brain, the researchers conducted PET scans of 555 participants in the Alzheimer's Disease Neuroimaging Initiative, a long-term public-private research project that includes people at risk for Alzheimer's disease and patients who have been diagnosed with the disease as well as participants with no symptoms.

With sophisticated statistical analyses, the imaging data was combined with analyses of DNA collected from the 555 participants to determine whether particular gene variants were found more often among patients with higher levels of plaque deposits.

The analysis found that a variant in BCHE was significantly associated with the levels of plaque deposits. As would be expected, the analysis also found a strong association with variants of another gene, APOE, that has long been known to be associated with the development of Alzheimer's. The effect of BCHE was independent of APOE, however. Moreover, the effects of the two genes were additive -- that is, people with the suspect variants of both genes had more plaque deposits than people who had only one of the variants associated with plaque development


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Contact: Eric Schoch
eschoch@iu.edu
317-274-8205
Indiana University
Source:Eurekalert  

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