Growing Hair From Stem Cells

From the Daily Yomiuri, a short note on work aimed at tissue engineering new hair: a researcher "has succeeded in regenerating hair on mice using embryonic stem cells ... Yamaki extracted mesenchymal stem cells taken from the teeth of mice embryos and mixed them with mice embryonic stem cells, which form the basis of skin cells. The clumps resulting from the mix were then nurtured. It was later found that about 40 percent of the 48 clumps had one or two hairs growing from them. When protein, which quickens growth, is added, the hair growth rate increased to about 60 percent ... Hair growth was observed on all 12 mice that had the clumps implanted on their back muscles. Hair papilaries, which supply nourishment to the hair, also were found to have formed on the back muscle. ... If embryonic stem cells are combined with mesenchymal stem cells, which perform a number of other functions, a different organ can probably be created. The first thing I want to try to do is regenerate hair using human embryonic stem cells."



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