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December 1984 in “Proceedings of the National Academy of Sciences” TCDD reduces EGF receptor activity and causes various developmental changes in animals.
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December 2001 in “Endocrinology” Expressing the human vitamin D receptor in skin cells prevents hair loss in certain mice.
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May 2011 in “The Journal of Clinical Endocrinology & Metabolism” Treatment with a hormone agonist can reduce excess male hormones in postmenopausal women without surgery.
July 2025 in “Scientific Reports” Serotonin helps hair grow by activating certain cells.
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December 1994 in “Journal of Endocrinology/Journal of endocrinology” Prolactin speeds up hair growth and moulting in cashmere goats.
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October 2010 in “Mammalian genome” Sphynx cats are hairless and Devon Rex cats have curly hair due to specific genetic mutations.
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October 2022 in “International Journal of Impotence Research” Testosterone Replacement Therapy can improve sexual health in postmenopausal women with low sexual desire, but more research is needed on its long-term effects.
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July 1958 in “Journal of Endocrinology” Cortisone suppresses hair regrowth, especially undercoat hair, while adrenalectomy affects hair growth differently in rabbits and rats.
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January 2015 in “Experimental Dermatology” New mutations in KRT83 and KRT86 are linked to the hair disorder monilethrix.
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December 2006 in “Mammalian Genome”
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September 2020 in “Advanced Biology” Blue-light activation of TrkA improves hair-follicle stem cells' ability to become neurons and glial cells.
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November 2013 in “Journal of Investigative Dermatology” The glucocorticoid receptor helps protect skin from tumors and other issues.
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May 1987 in “The Journal of Clinical Endocrinology & Metabolism” Salivary testosterone is a better measure for hirsutism than serum testosterone.
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January 2021 in “Journal of biological chemistry/The Journal of biological chemistry” FLCN helps control iron levels in cells.
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September 2021 in “Biomedical & Pharmacology Journal” Reticulocyte hemoglobin content is the best indicator of iron deficiency in women with diffuse non-scarring hair loss.
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January 1986 in “Carcinogenesis” ODC expression in mouse skin and tumors is varied and can be inhibited by retinoic acid or cycloheximide.
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June 2011 in “British Journal of Dermatology” People with alopecia areata have higher levels of RBP4 protein and antibodies against it.
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January 2003 in “Hormone Research in Paediatrics” Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.
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September 2004 in “Experimental Dermatology” VR1 signaling can inhibit hair growth by affecting cell processes and increasing hair growth inhibitors.
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June 1998 in “PubMed” Neurotrophins regulate nerve growth by balancing promotion and suppression.
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