Molecule clears Alzheimer’s plaques in mice

BBC Health News

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Currently, there is no cure for Alzheimer’s disease. Treatments can lessen the symptoms, but scientists are looking for ways to prevent, halt or reverse the disease.

As the dementia progresses, more plaques (clumps of abnormal proteins and chemicals) form in the brain and healthy brain cells die off.

Scientists reason that preventing or removing the plaques might help, and many drug candidates are in development.

A molecule can clear Alzheimer’s plaques from the brains of mice and improve learning and memory, Korean scientists have found in early tests. But exactly how it gets rid of the abnormal build-up is not understood.

The small Nature Communications study hints at a way to tackle the disease even once its in full swing, dementia experts say. But there is no proof the same method would work in people – many more years of animal trials are needed first.

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