Yet another adult stem cell miracle, this time in the field of hair restoration.

The human head comes equipped with 100,000 tiny hair follicles, from each of which grow a single hair.

These follicles are produced by the embryo in the first stages of pregnancy, and it was thought that no further replacement follicles could be produced during life.

The Pennsylvania team found that a particular gene important in wound healing, called wnt, appeared to play a role in the production of new hair follicles.

In its experiment, small sections of the outer skin layer, or epidermis, were removed from mice.

Just this act appeared to awaken stem cell activity in the area, the scientists said, which included the production of a number of hair follicles.

If the action of the wnt gene was blocked, no hair follicles were produced; but if it was boosted, then many more hair follicles were produced, with the skin layer eventually being indistinguishable from surrounding areas.

More significantly, the same procedure can speed would-healing.

I like my full head of hair, but I've always figured that if I went bald I could still be cool like Captain Picard.

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» Stem Cell Miracles from Gazelem

I have written before about stem cell research and how adult stem cells are better for medical science then embryonic stem cells. Most of my information came from listening to the Michael Reagan radio program. Michael Williams is currently keeping a gr... Read More

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