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Skin From Hair

January 3rd, 2008 Medgadget Editors Dermatology, News, Plastic Surgery

German researchers have developed a method to artificially grow skin cells in a lab that are derived from a patient’s own stem cells found within hair roots. This work has a potential for all kinds of clinical and biomedical applications, such as plastic and reconstructive surgery, and development of specialized implants.

“We pluck a few hairs off the back of the patient’s head and extract adult stem cells from their roots, which we then proliferate in a cell culture for about two weeks. Then we reduce the nutrient solution until it no longer covers the upper sides of the cells, exposing them to the surrounding air. The increased pressure exerted by the oxygen on the surfaces of the cells causes them to differentiate into skin cells,” explains Emmendörffer. In this way, the researchers can grow numerous small pieces of skin, produced individually for each patient, which add up to a surface area of 10 to 100 square centimeters when pieced together. To ensure that they comply with the safety regulations at all times, the researchers are using new cleanrooms at the IZI, a state-of-the-art facility for producing different kinds of cell therapeutics. “We continuously measure the number of particles in the cleanrooms. If there are too many particles in the air, an alarm goes off,” says Schmiedeknecht. The researchers expect to grow skin grafts for 10 to 20 patients a month in 2008, depending on how many doctors prescribe this therapy.

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Medical technologies transform the world! Join us and see the progress in real time. At Medgadget, we report the latest technology news, interview leaders in the field, and file dispatches from medical events around the world since 2004.

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