May 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Nicastrin deficiency may cause skin cell damage and pigmentation disorders in humans, similar to effects seen in fish.
43 citations
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May 1999 in “Journal of Biological Chemistry” Agouti protein affects melanocortin receptors through competitive antagonism and receptor down-regulation.
220 citations
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August 1988 in “Clinical endocrinology” Melatonin may help with sleep issues, depression, and cancer, but more research is needed.
11 citations
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April 2013 in “SpringerPlus” Human skin's melanocytes respond to light by changing shape, producing pigments and hormones, which may affect sleep patterns.
506 citations
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January 2012 in “Molecular and Cellular Endocrinology” Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.