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November 1975 in “Clinics in endocrinology and metabolism” Testosterone is made by Leydig cells, is active when not bound to proteins, and works by binding to receptors in muscles and other tissues.
66 citations,
October 2002 in “Human molecular genetics online/Human molecular genetics” A gene mutation in mice causes skin defects and early death.
27 citations,
April 1992 in “Biochemical Journal” Minoxidil reduces lysine hydroxylase in skin cells.
9 citations,
November 2012 in “Biomolecules & therapeutics” A compound from brown algae boosts the production of a certain inflammatory substance in skin cells.
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October 2020 in “Brain Research Bulletin” Etifoxine, an anxiety drug, can lessen brain inflammation and cognitive issues in mice, partly by increasing production of protective brain steroids.
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October 2023 in “Animals” Certain DNA regions in alpacas are linked to fiber diameter.
January 2019 in “Springer Reference Medizin” Follicle Stimulating Hormone is important for fertility.
115 citations,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
July 2023 in “British journal of dermatology/British journal of dermatology, Supplement” Aging changes scalp cells, possibly affecting hair health in older women.
18 citations,
September 2013 in “Technology” The study introduced a new imaging technology to track skin healing and bone marrow cell activity over time.
4 citations,
October 2021 in “International Journal of Cosmetic Science” Cirsium japonicum flower extract increases melanin production and could help treat depigmentation conditions.
1 citations,
August 2016 in “Hanbang an'i'bi'in'hu pibu'gwa haghoeji” YangHyulEum Gami-Bang extract may help treat hair loss.
April 2017 in “Journal of Investigative Dermatology” Cow milk sugars increase fat production and inflammation in skin oil cells.
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September 2018 in “Molecular Biology of the Cell” Blocking Wnt/β-catenin signaling with EGF receptor is necessary for proper hair growth.
60 citations,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Applying a specific inhibitor lightens skin and hair color.
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August 2004 in “Tetrahedron” Scientists made all eight versions of a compound called cyoctol, but found it's not an anti-androgen and it fully breaks down in the skin.
2 citations,
September 2017 in “Archives of Medical Science” Finasteride affects offspring's antioxidant enzymes in epididymis, possibly disrupting sperm maturation.
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August 2011 in “Cancer research” Prostate cancer cells can make their own androgens to activate the androgen receptor, and treatments like abiraterone may increase this ability, suggesting new therapies should target the entire steroid-making pathway.
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February 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” EGF makes hair follicles grow longer but stops hair production.
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March 2006 in “Bioorganic & Medicinal Chemistry” Newly made nicotinamide compounds could potentially treat cancer.
37 citations,
January 2015 in “Evidence-based Complementary and Alternative Medicine” An extract from Quercus acutissima bark was found to reduce sebum production and block an enzyme linked to acne.
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January 2000 in “Skin pharmacology and physiology” Certain substances that block a specific protein help promote hair growth.
23 citations,
October 2006 in “Journal of Investigative Dermatology” Men with baldness have higher levels of specific proteins, suggesting local hormone production may play a role in hair loss.
23 citations,
July 1996 in “Archives of Dermatological Research” bFGF, VEGF, and minoxidil decrease collagen production in hair cells, possibly affecting hair growth.
12 citations,
June 2020 in “Frontiers in Cell and Developmental Biology” The PP2A-B55α protein is essential for brain and skin development in embryos.
10 citations,
January 2013 in “Journal of skin cancer” PKC ε increases hair follicle stem cell turnover and may raise skin cancer risk.
8 citations,
January 2017 in “Stem Cells International” A protein called sFRP4 from skin cells stops the development of pigment-producing cells in hair.
7 citations,
September 2019 in “Journal of Cellular Physiology” Akt2 protein is essential for normal cell division in early mouse embryos.
6 citations,
October 1993 in “Endocrinology” Finasteride blocks progesterone production in specific tumor cells, potentially causing side effects.
5 citations,
July 2021 in “Endocrinology, diabetes & metabolism” Glioblastoma cells can make androgens, which might help the tumor grow.