The yin and yang of male pattern baldness | Science News

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The yin and yang of male pattern baldness

A cousin of a molecule that stimulates eyelash growth may stop hair growth on the scalp

4:46pm, March 21, 2012

Just because a man is bald doesn’t mean there’s nothing going on in his scalp. A molecule found in the scalps of bald men may offer clues about how male pattern baldness arises and what to do about it.

Men with male pattern baldness have higher levels of a molecule called prostaglandin D2 in the bald parts of their scalps than in parts still covered in hair, a new study shows. Prostaglandin D2 stops the growth of stem cells that give rise to hair follicles, stem cell biologist George Cotsarelis of the Perelman Center for Advanced Medicine at the University of Pennsylvania in Philadelphia and colleagues report in t

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