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International collaboration finds 11 new Alzheimer's genes to target for drug discovery
Date:10/27/2013

MIAMI -- University of Miami Miller School of Medicine researchers played a key role in the largest international Alzheimer's disease genetics collaboration to date, which identified 11 new regions of the genome that contribute to late-onset Alzheimer's disease, doubling the number of potential genetics-based therapeutic targets to investigate. Published October 27 in Nature Genetics, the study gives a broader view of the genetic factors contributing to Alzheimer's and expands the understanding of the disease to new areas, including the immune system, where a genetic overlap with other neurodegenerative diseases, including multiple sclerosis and Parkinson's disease, was identified.

In 2011, the world's four largest research consortia on the genetics of Alzheimer's disease joined efforts to discover and map the genes that contribute to Alzheimer's, forming the International Genomics of Alzheimer's Project (IGAP). The team collected genetic information from 25,500 Alzheimer's disease patients and 49,038 controls from 15 countries to perform this two-stage meta-analysis that resulted in the discovery of 11 new genes in addition to those already known, and the identification of 13 other genes, yet to be validated.

Margaret A. Pericak-Vance, Ph.D., the Dr. John T. Macdonald Foundation Professor of Human Genomics and Director of the John P. Hussman Institute for Human Genomics at the Miller School, and Lindsay A. Farrer, Ph.D., from Boston University, led the analysis teams for the American Alzheimer's Disease Genetics Consortium, which includes nearly all of the nation's researchers working on the genetics of Alzheimer's, as well as many investigators and resources of the 29 federally funded Alzheimer's Disease Centers.

Several of the genes the researchers identified confirmed known biological pathways of Alzheimer's disease, including the role of the amyloid (SORL1, CASS4) and tau (CASS4, FERMT2) pathways. Newly discovered genes i
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Contact: Alexandra Bassil
a.bassil@miami.edu
305-284-1092
University of Miami
Source:Eurekalert

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