Macrophages secrete a number of factors including a class of signaling molecules called Wnts. Importantly, when the researchers treated macrophages with a Wnt inhibitor drug, the activation of hair growth was delayed—demonstrating a role for Wnt from macrophages in promoting hair growth. Although this study was carried out in mice, the researchers believe their discovery "may facilitate the development of novel treatment strategies" for hair growth in humans.
Read more at: http://phys.org/news/2014-12-hair-growth-skin.html#jCp
Read more at: http://phys.org/news/2014-12-hair-growth-skin.html#jCp
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