Stanford Researchers Grow Largest Human Brain Tissue Integration Inside Engineered Mice

• •Stanford Medicine scientists engineered mice with approximately half their normal brain tissue to make room for human brain organoids, achieving the largest such integration reported to date.
• •Transplanted human organoids formed functional neural networks that extended to the spinal cord and responded to injury, demonstrating deep biological integration.
• •Medicalxpress reported Stanford Medicine characterized the work as a major advance in growing human brain cells outside the human body.
• •The research opens new avenues for studying neurological diseases in living systems but intensifies ethical debate about implanting human brain tissue in animals.

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