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Is This the Cure for Alzheimer’s? | Elder Law Attorney in Marietta

Posted by Steve Worrall | Feb 02, 2016

Is This the Cure for Alzheimer's? | Elder Law Attorney in Marietta

elder law attorney in marietta

As an elder law attorney in Marietta, Georgia, I find news like this encouraging as many of my clients or their families have been affected by Alzheimer's.

Researchers in Australia have been experimenting with a non-invasive ultrasound technology that is showing great promise in the treatment of Alzheimer's disease.

It has been estimated that Alzheimer's affects 50 million people worldwide, and those numbers are expected to rise dramatically in the near future. With no vaccine or preventative treatment, researchers have been trying to find ways to treat it, starting with how to remove plaques from the brain.

If a person has Alzheimer's disease, it's usually because of a build up of two types of lesions in the brain—amyloid plaques and neurofibrillary tangles.

  • Amyloid plaques sit between the neurons in the brain. Eventually, they become dense clusters of beta-amyloid molecules, a sticky type of protein that clumps together.
  • Neurofibrillary tangles are found inside the neurons of the brain and are caused by defective tau proteins that clump into a thick, insoluble mass. This causes tiny filaments called microtubules to become twisted, which disrupts the transportation of nutrient, organelles and other essential materials.

Enter a team of researchers at the Queensland Brain Institute in Australia who may have just figured out how to remove the amyloid plaques. Using a focused therapeutic ultrasound, they beam non-invasive sound waves into the brain tissue at a super fast speed. The sound waves gently open the blood-brain barrier (a layer that protects the brain against bacteria) and stimulate cells in the brain that remove waste. These microglial cells are then able to clear out the toxic beta-amyloid clumps that are responsible for the worst symptoms of Alzheimer's.

The team reports that 75% of the mice that were treated had their memory function fully restored, with zero damage to surrounding brain tissue. The mice had improved performance in three memory tasks—a maze, a test to get them to recognize new objects, and one to get them to remember the places they should avoid.

Trials are planned on animals with larger brains, such as sheep, and the team is hoping to start human trials in 2017. Watch for more information on this promising treatment.

The results were published in Science Translational Medicine. An ABC radio interview with the team can be heard here.

About the Author

Steve Worrall

As a sandwich generation kid himself (caring for both children and aging parents), Marietta Georgia Estate Planning Elder Law & Probate Attorney Steve (Stephen M.) Worrall KNOWS the struggles you are facing as you raise children, balance the demands of your job, and take care of your aging parent...