Tiny Cell Messengers in Obese Individuals Accelerate Alzheimer’s Linked Plaque Buildup in the Brain

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Obesity has long been acknowledged as a risk factor for a wide range of diseases, but a more precise link between obesity and Alzheimer’s disease has remained a mystery – until now.

Obesity has long been acknowledged as a risk factor for a wide range of diseases, but a more precise link between obesity and Alzheimer’s disease has remained a mystery – until now.

A first-of-its-kind study from Houston Methodist found that adipose-derived extracellular vesicles, tiny cell-to-cell messengers in the body, can signal the buildup of amyloid-β plaque in obese individuals. These plaques are a key feature of Alzheimer’s disease.

The study, “Decoding Adipose–Brain Crosstalk: Distinct Lipid Cargo in Human Adipose-Derived Extracellular Vesicles Modulates Amyloid Aggregation in Alzheimer’s Disease,” published today in Alzheimer's & Dementia: The Journal of the Alzheimer's Association. It explores the link between obesity, which affects about 40% of the U.S population, and the dreaded neurodegenerative disease affecting more than 7 million people in the U.S.

Read More: Houston Methodist

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