53 citations
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January 2006 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Reduced AR gene methylation may cause early pubic hair growth in girls.
44 citations
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January 2008 in “Fertility and Sterility” Longer CAG repeat lengths in the androgen receptor gene are linked to higher testosterone levels in women with PCOS.
37 citations
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January 2009 in “Sexual Development” Fadrozole and Finasteride change frog sex ratios and cause intersex animals with altered gene expressions.
33 citations
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November 2008 in “European Journal of Pharmaceutical Sciences” St. John's wort increases finasteride metabolism, reducing its effectiveness; use caution when combining them.
25 citations
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September 2015 in “Clinical Endocrinology” Using 17-hydroxyprogesterone levels to diagnose nonclassic congenital adrenal hyperplasia can result in many incorrect diagnoses.
17 citations
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August 1967 in “JAMA” The rapid corticotropin test is a quick and simple way to diagnose adrenal insufficiency.
16 citations
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April 2012 in “Journal of mammalogy” Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
7 citations
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October 2019 in “Case reports in endocrinology” A young woman's symptoms suggested PCOS, but tests and surgery confirmed and treated a rare ovarian tumor, resolving her condition.
6 citations
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September 2014 in “Food Additives & Contaminants: Part A” New method effectively detects illegal hormones in anti-aging foods.
6 citations
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September 2010 in “Animal” Selecting Angus cattle for earlier puberty lowers prolactin levels but doesn't affect hair growth.
4 citations
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February 2018 in “Journal of Cosmetic Dermatology” Platelet-rich plasma injections made hair thicker for both men and women, with a greater effect in women.
November 2025 in “Frontiers of Agricultural Science and Engineering” Rhizobacterial strain RT3 helps lettuce survive drought by producing protective substances like proline.
March 2025 in “Journal of Endocrinology and Metabolism” Rodent models of PCOS show some hormone changes similar to humans, but also have key differences.
July 2020 in “Environmental Science and Pollution Research” Finasteride harms invertebrates' survival and burial ability.
20 citations
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March 1975 in “Clinics in Endocrinology and Metabolism” 67 citations
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August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Androgens promote beard growth but cause hair loss in androgenetic alopecia, with TGF-β1 as a potential treatment target.
19 citations
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January 1997 in “Endocrinology” Testosterone can slow hair growth in adult monkeys, but a blocker called RU 58841 can counteract this and potentially help hair regrow.
10 citations
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September 2019 in “Frontiers in Veterinary Science” Older steers have higher hair cortisol levels than younger steers.
March 2024 in “Veterinary sciences” Geriatric Julia Creek dunnarts often suffer from reproductive and skin diseases, impacting conservation efforts.
299 citations
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March 2001 in “Journal of Investigative Dermatology” Male pattern baldness is linked to specific genetic variations in the androgen receptor gene.
89 citations
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August 2013 in “PloS one” Androgen receptors are active in many tissues of both male and female mice, not just reproductive organs.
22 citations
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May 2019 in “Animals” High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
18 citations
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October 2017 in “PLOS ONE” The study concluded that similar pathways regulate hair growth in dogs and mice, and these pathways are disrupted in dogs with Alopecia X, affecting stem cells and hormone metabolism.
10 citations
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July 2022 in “BMC Biology” Sex-limited chromosomes can affect traits not related to reproduction.
7 citations
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September 2024 in “International Journal of Molecular Sciences” PCOS involves high 11-oxygenated androgens and BPA may worsen it, while IH is not inflammatory.
December 2025 in “Biology Bulletin Reviews” Hair cortisol can indicate animal stress but varies with many factors.
November 2023 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Pig hair cortisol levels are inheritable and linked to stress responses, which could help select for more resilient pigs.
3 citations
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January 1990 in “Springer eBooks” 110 citations
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January 1984 in “Progress in brain research” Gonadal hormones may influence sex differences in play fighting in animals, but their effect on human spatial behavior is unclear and needs more research.
102 citations
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July 2020 in “International journal of molecular sciences” Hormones like testosterone and estrogen significantly affect hair growth and structure.