Researchers grow sheets of skin in culture from biopsy samples. Epidermal sheets contain both differentiated skin cells and skin stem cells. The skin tissue is grown on a special membrane scaffold. When grafted onto a patient, skin will regenerate normally. Copyright Frank Jacobsen, obtained from Ruhr-University Bochum.
See related commentary:
N. R. Gough, Virally Modified Cells Regenerate Normal Skin (5 December 2017).