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Scientists grow replacement jawbone, joint for pigs

Scientists grew a curved jawbone and joint from pig stem cells in a decellularized cow bone scaffold, according to a study published in Science Translational Medicine, and a clinical trial of the technology is beginning soon in six patients with severe birth defects. Researchers used computer-aided milling to precisely shape the scaffold, derived stem cells from adipose tissue removed from the pigs with liposuction, and induced some stem cells to become bone cells and others to become cartilage cells.

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