7 citations
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March 1990 in “Pigment Cell Research” This animal study observed that while topical MBEH and intraperitoneal phenol induced hair graying in eumelanic mice, they had little effect on pheomelanic mice, and amcinonide reduced certain epidermal melanocytes in both.
8 citations
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January 2018 in “European journal of dermatology/EJD. European journal of dermatology” The girl's regrown brown hair had less of certain pigments than her original black hair.
140 citations
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August 2010 in “Pigment Cell & Melanoma Research” This article discusses mouse genetic studies to explore factors influencing melanogenesis, highlighting pH and cysteine's roles, and proposes a hypothesis for human hair color diversity; it reports no new results.
70 citations
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December 2004 in “Proceedings of the National Academy of Sciences” This study found that BMP signaling influences hair pigmentation in mice by affecting the Agouti protein and interacts with MC-1R pathways to modulate melanin production.
53 citations
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November 1997 in “Journal of Forensic Sciences” This study found that codeine incorporation in guinea pig hair varied with pigmentation and was highest in black hair, suggesting the role of eumelanins in drug binding.