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Charlotte Clark——Studied at the University of Zurich, Lives in Zurich, Switzerland.
It is
caused by the stimulant effect of excess adrenocorticotrophic hormone (ACTH) on the melanocytes to produce melanin. The
hyperpigmentation is
caused by high levels of circulating ACTH that bind to the melanocortin 1 receptor on the surface of dermal melanocytes.Feb 13, 2018
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