Brain cells develop Alzheimer’s in petri dish

October 13, 2014 3:24 AM

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For the first time, and to the astonishment of many of their colleagues, researchers created what they call Alzheimer’s in a Dish — a petri dish with human brain cells that develop the telltale structures of Alzheimer’s disease. In doing so, they resolved a longstanding problem of how to study Alzheimer’s and search for drugs to treat it — the best they had until now were mice that developed an imperfect form of the disease.

The key to their success, said the lead researcher, Dr. Rudolph Tanzi of Massachusetts General Hospital in Boston, was a suggestion by his colleague Doo Yeon Kim to grow human brain cells in a gel where they formed networks as in an actual brain. They gave the neurons genes for Alzheimer’s disease. ...

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