Ultrasonic Frequency Therapy Shown to Reduce Alzheimer's and Other Brain Cancer Diseases

High-energy ultrasound has previously been combined with injected microbubbles, which vibrate in response to sound waves, to pass drugs across the so-called blood brain barrier.

However, researchers who took part in the new study published in the journal 'Science Translational Medicine' have demonstrated for the first time that ultrasound alone could improve the debilitating condition.

“Our research was very exploratory and we really didn't expect to see such a massive effect,” Juergen Goetz of the University of Queensland in Brisbane, one of study authors, told Reuters. “I'm really excited by this.”

To make their findings researchers treated mice that had been genetically altered to produce amyloid plaques with ultrasound, and found the plaque was almost completely cleared in 75 percent of the animals.

Debate surrounds whether plaques are a cause or symptomatic of Alzheimer's, however the experiment found that treated mice had improved memory after completing three different tests in a maze.

The technique works by stimulating microglial cells, which form part of the brain's immune system, to engulf and absorb the plaques.

Goetz stressed that his research was at the very early stages and that human trials are still several years away, as further tests into long-term side effects are needed.

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http://www.independent.co.uk/life-style/health-and-families/health-news/ultrasound-beams-could-help-combat-alzheimers-scientists-believe-10105236.html