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The study presents the mechanism of male androgenetic alopecia (MAGA), with a focus on the role of the enzyme 5-α-reductase, which is responsible for converting testosterone, the primary male hormone, into its active form, dihydrotestosterone (DHT). The consequences of the DHT stimulation of androgen receptors (ARs) located in the X chromosome of dermal papilla cells (DPCs) are described. This leads...