Neural stem cells transplanted into the brains of people with Pelizaeus-Merzbacher disease (PMD) can differentiate and begin producing the myelin sheaths that these patients lack, according to results of a Phase I clinical trial published today (October 10) in Science Translational Medicine. Myelin, the fatty insulating layer wrapped around nerve axons, is essential for proper nerve signaling. Researchers hope that these stem cell-derived myelin-producing cells may someday help patients recover brain function.
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