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출처 : Technology Review

Stem Cells Undo Birth Defects

Transplanted stem cells restore normal behavior in brain-damaged rodents.

By Jocelyn Rice

By injecting stem cells directly into the brain, scientists have successfully reversed neural birth defects in mice whose mothers were given heroin during pregnancy. Even though most of the transplanted cells did not survive, they induced the brain's own cells to carry out extensive repairs.

Transplanted stem cells have previously shown promise in reversing brain damage caused by strokes, as well as by neurological diseases like Parkinson's, Alzheimer's, and Huntington's. But their use in treating birth defects is relatively new. In recent years, a handful of research teams have been developing stem-cell-based therapies for rodents with real or simulated birth defects in the brain.

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