Better way to transplant human stem cells

A tissue-like structure created from human stem cells and implanted into a damaged region of the mouse brain improves cell survival and differentiation relative to conventional, cell-based methods. The research, published in eNeuro, encourages further investigation of this strategy and its potential to treat traumatic brain injury and neurodegeneration.

Hongyan Zou and colleagues compared two methods for transplanting human pluripotent stem cells into the frontoparietal cortex of young mice, part of which was removed. The researchers report that growing cells into a miniature, brain-like organoid for just over a month into was superior to transplanting individual neural progenitor cells. The three-dimensional structure may have helped shield transplanted cells from the damaged host brain to promote their survival.

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