1 citations
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January 2015 in “Journal of Pigmentary Disorders” Melasma is a skin condition linked to female hormones, genetics, UV exposure, and certain medications, but not to pituitary, adrenal, or thyroid diseases.
January 2019 in “DSpace@MIT (Massachusetts Institute of Technology)” Higher PHGDH levels cause unusual melanin buildup in hair follicles.
September 2019 in “Journal of Investigative Dermatology” PCE-DP brightens skin and promotes hair growth by enhancing cell growth and reducing melanin uptake.
22 citations
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June 2017 in “Stem cell reports” PTEN helps control the number and health of skin stem cells by working with the protein BMAL1.
60 citations
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May 2014 in “British Journal of Dermatology” Caffeine affects hair growth and health differently in men and women.
May 2021 in “International journal of developmental research” Estrogens and progesterone are key in regulating melasma pigmentation.
May 2022 in “Indian Journal of Animal Research” Melatonin receptor genes likely play an important role in the development of goose feather follicles.
85 citations
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May 2009 in “Hippocampus” Progesterone helps adult male mice grow more neurons and improves memory.
17 citations
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April 2006 in “Brain Research” 5α-reduced neurosteroids may help regulate glial cell differentiation.
20 citations
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August 2015 in “International Journal of Molecular Medicine” Human placental extract may help hair growth by affecting certain cell signals and could be more effective with minoxidil.
November 2025 in “BMC Genomics” Melatonin helps control hair growth in cashmere goats, which could improve cashmere production.
12 citations
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April 2020 in “British Journal of Dermatology” Caffeine may help reduce stress-induced hair loss.
11 citations
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October 2020 in “General and comparative endocrinology” Male C57BL/6 mice show age-related fluctuations in certain hormones and their ratios in both blood and hair.
September 2020 in “Research Square (Research Square)” Goat skin adapts to seasonal changes through genes that respond to daylight length, affecting hormone levels and potentially making skin cells light-sensitive.
August 2022 in “Theriogenology” Neurosteroids affect prolactin levels in sheep differently depending on stress and pregnancy conditions.
9 citations
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June 2020 in “BMC Molecular and Cell Biology” Stress hormone CRF can cause hair loss by affecting hair growth cells and hormones.
3 citations
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January 2012 in “Internal Medicine” A Rathke's cleft cyst caused hormonal imbalances and symptoms in a 68-year-old woman.
18 citations
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December 2013 in “Colorectal Disease” Higher prolactin levels in women may be linked to pilonidal sinus disease.
November 2019 in “Synapse” Brain-made chemicals can control nerve cell function differently in various parts of a mouse's brain, which may help us understand neurological conditions.
13 citations
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October 2013 in “The Journal of Dermatology” Cepharanthine may help hair growth by increasing IGF-I in scalp cells.
31 citations
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April 2016 in “Nature communications” Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.
33 citations
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May 2006 in “Journal of Investigative Dermatology” PTHrP and its receptor can control blood vessel growth and hair development in mouse skin.
17 citations
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October 2006 in “Molecular and Cellular Endocrinology” The L457(3.43)R mutation in the human lutropin receptor causes increased activity and hormone insensitivity, leading to precocious puberty.
DHT, not testosterone, mainly affects hair growth and related conditions.
November 2022 in “Journal of the Endocrine Society” An 8-year-old boy's early puberty was caused by a rare hormone-secreting brain tumor, which was successfully treated with surgery.
January 2008 in “Annals of Nutrition and Metabolism” Parthenolide promotes hair growth in mice and may influence pathways related to male pattern baldness.
27 citations
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January 2017 in “Neuropsychopharmacology” The enzyme 5α-reductase is key in causing psychotic-like effects from sleep deprivation.
9 citations
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April 2025 in “Psychoneuroendocrinology” The occipital region is best for measuring cortisol and cortisone, while the posterior vertex is better for OEA, SEA, and PEA.
3 citations
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July 2017 in “Endogenous locus-driven H-Ras G12V expression induces senescence-like phenotype in primary fibroblasts of the Costello syndrome mouse model” Mouse hair follicle stem cells have a flexible chromatin state that supports skin health and hair growth.
January 2002 in “HAL (Le Centre pour la Communication Scientifique Directe)” Melatonin affects fur growth timing in chinchillas.