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The Pentagon has made its first significant development with ‘induced’ stem cells (stem cells not obtained from embryos) to regenerate the limbs of amputees who fought in the wars in Iraq and Afghanistan. Researchers were successful in transforming epithelial cells, which were manipulated to regress to their primordial state, into blastemas. A blastema is a mass of undifferentiated cells, which can develop into new body parts. In nature, blastemas are present in salamanders, and newts, animals, which are capable of restoring their own limbs with functionality after amputation.
The final goal, which is still far