Researchers from a USC-led consortium have discovered 15 "hotspots" in the genome that either speed up brain aging or slow it down—a finding that could provide new drug targets to resist Alzheimer's disease and other degenerative brain disorders, as well as developmental delays.

The research appears online today in Nature Neuroscience.

"The big game-changer here is discovering locations on the chromosome that speed up or slow down brain aging in worldwide populations. These can quickly become new drug targets," said Paul Thompson of USC, a lead author on the study and the co-founder and director of the ENIGMA Consortium. "Through our AI4AD (Artificial Intelligence for Alzheimer's Disease) initiative, we even have a genome-guided drug repurposing program to target these and find new and existing drugs that help us age better."

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