18 citations
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August 2014 in “Lipids” This study found that unsaturated fatty acids are more abundant in the cortex of human hair than on its surface, and steryl glycoside-like lipids may help bind the cuticle to the cortex.
3 citations
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March 2019 in “Acta histochemica” This study found that Angiotensin II is expressed more in black sheep skins compared to white sheep skins, suggesting its involvement in coat color regulation.
130 citations
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December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” In this study, different types of catagen in the C57BL/6 mouse model exhibited varying effects on hair follicle melanocytes and melanin distribution, with spontaneous and dexamethasone-induced catagen showing pigment incontinence, while cyclophosphamide-induced catagen retained dendritic melanocytes but increased ectopic melanin.
71 citations
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May 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” In this study, researchers found that trichothiodystrophy hair brittleness is linked to abnormalities in sulfur content and structural organization, making it prone to breakage.
39 citations
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December 2001 in “JNCI: Journal of the National Cancer Institute” This study found that enhanced expression of the Sonic hedgehog gene via an adenovirus vector accelerated hair regrowth in mice with chemotherapy-induced alopecia.