May 2018 in “Journal of Investigative Dermatology” Activating Wnt in skin cells controls the number of hair follicles by directing cell movement and fate.
81 citations
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January 2006 in “Journal of cellular physiology” This study found that the absence of the vitamin D receptor disrupts hair follicle structure during the first catagen in mice, linked to increased expression of the hairless gene.
26 citations
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September 1999 in “Canadian Journal of Botany” This study found that a recessive mutation in the RHD4 gene of Arabidopsis thaliana leads to slower and more variable tip growth in seedling root hairs, resulting in shorter and wider hairs than in wild-type plants.
25 citations
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March 2014 in “Experimental Dermatology” Leptin helps start the growth phase of hair.
41 citations
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November 2013 in “Experimental Dermatology” This study found that leptin acts as an inducer of the anagen phase in hair follicles, suggesting its role as a potential player in hair biology.