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Stem Cell Implants Improve Monkeys’ Grip After Spinal Cord Injury

Written by: Ashley Yeager

Photo credit: The Scientist

Human neural stem cells transplanted into the injured spines of monkeys matured into nerve cells, spurring neuronal connections and giving the animals an improved ability to grasp an orange, researchers report today (February 26) in Nature Medicine.

“This type of cellular therapy, though still in its infancy, may eventually be a reasonable approach to treating central nervous system injury and possibly even neurodegenerative disease in humans,” Jonathan Glass, a neurologist at Emory University School of Medicine, tells The Scientist by email. Glass, who was not involved in the study, notes that the differentiation of stem cells over time is “impressive,” as is their ability to make connections in the monkeys’ central nervous systems, but more work needs to be done to show if the cells can grow extremely long axons to connect motor and sensory neurons after spinal injury in humans. Read more.

Published by The Scientist February 26, 2018


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