Virginia Tech scientists see fluid flow as potential key to fight Alzheimer’s disease
Scientists don’t fully understand what causes Alzheimer’s disease, but they have a primary suspect.
Certain forms of a protein called amyloid beta that accumulate in the brains of patients with the debilitating form of dementia, disrupting communication between brain cells and eventually killing them, have been implicated as one possible contributor to Alzheimer’s disease. So far, researchers haven’t found an effective treatment for the disease or its symptoms.
But Jennifer Munson, associate professor at the Fralin Biomedical Research Institute at VTC, believes when brain fluid movements slow down, it could allow the plaques to build up. Speeding up that fluid flow could help flush out the protein that may contribute to limiting the damage that occurs in the disease.
The National Institute on Aging, part of the National Institutes of Health, has awarded Munson and a team of Virginia Tech scientists $3.57 million to test this hypothesis over five years.
Learning how fluid movements in the brain may affect the development of Alzheimer’s could help predict, diagnose, and treat the disease that, according to the Alzheimer’s Association, currently affects more than 6 million Americans. Cases are expected to double by 2050.
While previous studies have looked at the connection between bulk fluid flow through blood vessels and the brain’s fluid-filled ventricles and Alzheimer’s, less is known about the importance of interstitial fluid flow – the movement of liquid through human tissues in the spaces between cells.
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