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The miniature human brains were created in test tubes by stem cell scientists who claim they could help combat neurological disorders.
"Mini human brains." Made from stem cells.
It sounds like something only Dr. Evil could think up.
But scientists in Austria have done it, growing mini brains from the programmable cells in a breakthrough they say could lead to new levels of understanding about the brain and combat inherited neurological diseases like autism and even schizophrenia.
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While the brains don't actually function, the parts are all there, and that's what's important.
Researchers used the human stem cells to create a culture in their lab that allowed them to grow into "cerebral organoids" -- or mini brains -- with several distinct regions.
It's the first time scientists have been able to replicate brain tissue in three dimensions.
Using the organoids, the research team was able to create a biological model of how a rare brain disorder called microcephaly develops.
Scientists say that technique could be used in the future to develop models for more common brain disorders like autism and schizophrenia.
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It could also be used to examine the effects of new drugs, instead of experimenting on animals.
Scientists had grown similar versions of the eye, liver, intestine and pituitary gland, but had never been able to produce a replica of the brain.