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Explanation:
The same is true for our skin and our liver cells. Or our brain and muscle cells. Or any of the other 300 or so different cell types. These cells are different because they use the same set of genes differently. In the new study, skin cells were reprogrammed in the lab to revert to what are called pluripotent stem cells -- cells that can grow into any type of cell. ... The cells then grew into functioning skeletal muscle. According to Bursac's team, the lab-grown cells were not as strong as those found in normal muscle tissue.