According to the American Hair Loss Association, two-thirds of men will experience hair loss by the age of 35. But women are also affected, making up 40% of all hair loss sufferers. Affecting self-image and emotional well-being, the condition has been a difficult one to treat. But a new study brings hope - in the form of human hair-follicle-generating stem cells.
Researchers from the Perelman School of Medicine at the University of Pennsylvania have published results of their study in Nature, where they describe the method by which they were able to convert adult cells into epithelial stem cells (EpSCs).
Although using stem cells to regrow hair follicles has been a potential technique for combatting baldness, until now, nobody has been able to produce enough of these cells.
The team says they are the first to achieve this result in either humans or mice.
Led by Dr. Xiaowei "George" Xu, associate professor of pathology and laboratory medicine and dermatology at the University of Pennsylvania, the scientists started their research by using human skin cells called dermal fibroblasts.
How did the team produce the cells?
The researchers converted the human skin cells into induced pluripotent stem cells (iPSCs) by adding three genes. These iPSCs are able to change into any cell types in the body, so the researchers converted them into epithelial stem cells, which are normally found in a part of hair follicles.
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