Fragile X syndrome is the most frequent cause of intellectual disability in males. For the first time, researchers have restored activity to the fragile X syndrome gene in affected neurons using a modified CRISPR/Cas9 system in a human/mouse chimeric model published in journal Cell.

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Fragile X syndrome is the most frequent cause of intellectual disability in males. For the first time, researchers have restored activity to the fragile X syndrome gene in affected neurons using a modified CRISPR/Cas9 system in a human/mouse chimeric model published in journal Cell.