3.04.2008

Novel protein may play a role in Alzheimer's Lifecycle...
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The cancer-related protein Akt may profoundly influence the fate of the tau protein, which forms bundles of tangled nerve cell fibers in the brain associated with Alzheimer’s disease, reports a new study led by researchers at the University of South Florida and the Mayo Clinic in Jacksonville, FL.

Akt is known to increase cancer cell survival capability and has become a target in the development of some cancer-inhibitor drugs. The abnormal accumulation of tau protein tangles kills nerve cells and is considered one of the hallmarks of Alzheimer’s disease.

“This study describes for the first time a new function for the cancer-related protein Akt – one that may help promote Alzheimer’s disease pathology,” said lead author Chad Dickey, PhD, assistant professor of molecular pharmacology and physiology at USF. “We found that increased amounts of Akt may prevent the removal of abnormal proteins, such as tau, causing these proteins to accumulate and disrupt the balance within the cells.”

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