By Emily Caldwell
Scientists at The Ohio State University have developed a nearly complete human brain in a dish that equals the brain maturity of a 5-week-old fetus.
The lab-grown brain, about the size of a pencil eraser, has an identifiable structure and contains 99 percent of the genes present in the human fetal brain. Such a system will enable ethical and more rapid and accurate testing of experimental drugs before the clinical trial stage and advance studies of genetic and environmental causes of central nervous system disorders.
“It not only looks like the developing brain, its diverse cell types express nearly all genes like a brain,” Anand said. “We’ve struggled for a long time trying to solve complex brain disease problems that cause tremendous pain and suffering. The power of this brain model bodes very well for human health because it gives us better and more relevant options to test and develop therapeutics other than rodents.”
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