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Down's syndrome 'linked to brain protein loss'
http://www.bbc.co.uk/news/health-21900954A lack of a protein in Down's syndrome brains could be the cause of learning and memory problems, says a US study.
Writing in Nature Medicine, Californian researchers found that the extra copy of chromosome 21 in people with the condition triggered the protein loss.
Their study found restoring the protein in Down's syndrome mice improved cognitive function and behaviour.
The Down's Syndrome Association said the study was interesting but the causes of Down's were very complex.
