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Glucose Utilization In Brain Can Point To Alzheimer’s In Making, 20 Years Early

by Gopalan on March 30, 2011 at 7:00 AM
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 Glucose Utilization In Brain Can Point To Alzheimer’s In Making, 20 Years Early

The glucose utilization levels in the brain can help point to Alzheimer's in the making, 20 years early, Israeli researchers say.

This new findings, published online in the journal Translational Neuroscience, could lead to the development of novel therapies, it is hoped.

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When â-amyloid, an abnormal protein linked to Alzheimer's disease, starts to become detectable in the brain in its soluble toxic form, the mitochondria is impaired, scientists with the Mount Sinai School of Medicine found in mice experiments. The mitochondria are the "power plants" of the cell where glucose is converted into energy.

Within the equivalent of about 20 human years, mice with decreased energy metabolism developed signs of Alzheimer's disease such as cognitive defects and impairment of the synaptic terminal, the area of brain cells important in memory formation.
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"This evidence in mice validates that the diagnosis of probable Alzheimer's disease may be the end result of impairment in brain cell energy production," said the study's lead author, Giulio M. Pasinetti, MD, PhD, The Saunder Family Professor in Neurology, and Professor of Psychiatry, Geriatrics, and Adult Development at Mount Sinai School of Medicine. "Identifying that mitochondrial impairment is evident years earlier than cognitive defects is a major breakthrough."

"This new evidence could revolutionize the way we design interventions," said Merina T. Varghese, MD, co-author of the study and Postdoctoral Fellow in Neurology at Mount Sinai School of Medicine. "This study sets the stage for the development of potential novel preventions or therapies to apply in humans, even when they have normal cognitive function, to prevent the eventual onset of Alzheimer's disease."



Source: Medindia
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