May 1995 in “Journal of Investigative Dermatology” Researchers developed a new way to measure gene activity in single hair follicles and found that a specific gene's activity changes with different amounts and times of treatment.
218 citations
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December 2011 in “Advances in Urology” The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.
159 citations
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December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
81 citations
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January 2003 in “The FASEB Journal” Follistatin helps hair growth and cycling, while activin prevents it.
50 citations
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December 2010 in “Dermatologic Surgery” Laser treatment can stimulate hair growth for male pattern hair loss.