Gas Chromatography/Mass Spectrometry Based Hair Steroid Profiling May Reveal Pathogenesis in Hair Follicles of the Scalp

    April 2011 in “ Rapid communications in mass spectrometry/RCM. Rapid communications in mass spectrometry ”
    Hyun Jin Jung, Sun-Ju Kim, Won Yong Lee, Bong Chul Chung, Man Ho Choi
    TLDR Analyzing hair with this method can help understand and monitor scalp conditions and treatment effects.
    The study developed a method for profiling steroids in hair using gas chromatography/mass spectrometry to evaluate steroid concentrations and enzyme activities related to steroidogenesis. Improved extraction efficiencies were achieved through ultrasonication, with overall recoveries ranging from 71% to 132% and quantification limits between 1 and 50 ng/g. The method was applied to assess metabolic changes in male-pattern baldness (MPB) and the efficacy of dutasteride, a 5α-reductase inhibitor. MPB patients showed increased dihydrotestosterone (DHT) levels and a higher DHT/testosterone ratio, indicating elevated 5α-reductase activity. Dutasteride treatment reduced DHT and 5α-androstanedione levels and the DHT/testosterone ratio in hair samples. Hair steroid profiling was suggested as a useful tool for monitoring metabolic responses to both disease and drug treatments.
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