Stem cells in hair follicles point to general model of organ regeneration

Most people consider hair as a purely cosmetic part of their lives. To others, it may help uncover one of nature’s best-kept secrets: the body’s ability to regenerate organs. New research now gets to the root of the problem, revealing that the hair follicle uses a two-step mechanism to activate its stem cells and order them to divide. The mechanism provides insights into how stem cells may be organized in other body tissues to support organ regeneration.

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