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Phoenix666 writes in with news of researchers finding a cause and potential treatment for swelling arising from a concussion:

A team of biomedical engineering researchers at the University of Arkansas have identified a cause of fluid swelling of the brain, or cellular edema,that occurs during a concussion.

The researchers discovered that pre-treating the cells with an existing, FDA-approved drug used for epilepsy and altitude sickness reduces the expression of a specific protein that causes swelling.

Their findings were published in a recent issue of Nature’s Scientific Reports .

“Our study found that mild traumatic brain injury resulted in increased expression of a protein called aquaporin-4, which caused a massive cellular influx of fluid, leading to increased astrocyte cell volume and injury,” said Kartik Balachandran, assistant professor of biomedical engineering. “We then worked with a drug called Acetazolamide. Our results showed that Acetazolamide minimized cell swelling and injury, suggesting a therapeutic role for this drug in reducing the detrimental effects of concussions.”

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