Abstract #0154

Association of Alzheimer’s disease GWAS loci with default mode network

fan su¹

¹southeast university, nanjing, China, People's Republic of

To investigate the altered pattern of DMN in amnestic mild cognitive impairment (aMCI) subjects and the genetic factors that lead to the DMN dysfunctions, 87 individuals with aMCI and 131 matched healthy controls were recruited and an average 3-year follow-up study was performed. We studied the differences of DMN between aMCI subjects and healthy controls at baseline and how the DMN changed over time. Regression analyses were performed to explore whether the GRS influence the DMN dysfunctions. We observed that DMN disengage in the early stage of AD and the combined effect of AD-related loci influence the DMN pattern.

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