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Extra virgin olive oil may delay cognitive decline in Down syndrome

by Medical Xpress
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Researchers working with the Alzheimer’s Center at Temple (ACT) recently investigated the effect of extra virgin olive oil (EVOO) on brain health and memory to determine if consumption of extra virgin olive oil, the main component of the Mediterranean diet, can delay cognitive decline in people with Down syndrome (DS).

DS is the most common genetically induced form of physical and , and while modern medical advances have helped to prolong life expectancy from around 40 years to an average of 60, the development of Alzheimer’s disease (AD) in DS patients has become more common than ever before.

Individuals with DS develop age-dependent and synaptic dysfunction. Studies have shown that by the age of 40, about 50% of people with DS manifest significant learning and which are associated with the presence of Alzheimer’s-like impairment.

Using a mouse model of DS, researchers administered EVOO for five months in their diet, after which they were tested for learning and memory impairment. Synaptic function was then measured, and brain tissues were assessed for inflammatory biomarkers.

Researchers found that mice receiving EVOO had a significant improvement in learning and spatial memory. Additionally, treated mice had an improvement in synaptic function, and EVOO decreased levels of several inflammatory biomarkers.

The paper, “Extra virgin beneficial effects on memory, synaptic function, and neuroinflammation in a mouse model of Down syndrome,” is published in the Journal of Alzheimer’s Disease.

“Administration of EVOO to a mouse model of Down syndrome has beneficial effects on memory impairments, synaptic function deficits and neuroinflammation,” says senior author Domenico Praticò, MD, the Scott Richards North Star Foundation Chair for Alzheimer’s Research, Professor of Neural Sciences and Founding Director of the Alzheimer’s Center at Temple (ACT), at the Lewis Katz School of Medicine at Temple University (LKSOM).

“Our findings provide additional support for the potential therapeutic effects of EVOO in individuals with Down syndrome.”

More information:
Jian-Guo Li et al, Extra virgin olive oil beneficial effects on memory, synaptic function, and neuroinflammation in a mouse model of Down syndrome, Journal of Alzheimer’s Disease (2024). journals.sagepub.com/doi/full/ … 77/13872877241283675

Provided by
Alzheimer’s Center at Temple University Lewis Katz School of Medicine

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Extra virgin olive oil may delay cognitive decline in Down syndrome (2024, October 8)
retrieved 8 October 2024
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