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November 2024 in “Expert Opinion on Drug Safety” Aromatase inhibitors can cause various adverse reactions, so monitoring is crucial.
16 citations
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April 1978 in “Genetics Research” Mice with the ab gene have abnormal sebaceous gland development, affecting sebum production.
41 citations
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April 1989 in “Experimental and Applied Acarology”
55 citations
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May 2019 in “Journal of Endocrinology” Androgens are important for female fertility and could help in IVF treatment, but also play a role in causing PCOS.
25 citations
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March 2004 in “Regulatory Toxicology and Pharmacology” Using testosterone-stimulated weanling rats can effectively replace castrated rats for anti-androgen testing, reducing animal stress.
December 2025 in “Biology” Male and female mice handle stress differently.
94 citations
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August 2002 in “Experimental Dermatology” 17α-estradiol boosts aromatase activity in female hair follicles, potentially helping with hair loss.
August 2022 in “Theriogenology” Neurosteroids affect prolactin levels in sheep differently depending on stress and pregnancy conditions.
2 citations
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February 2022 in “Frontiers in Endocrinology” Antiandrogenic pretreatment for women with PCOS does not improve fertility outcomes and delays pregnancy.
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June 2008 in “Acta Cirurgica Brasileira” Finasteride causes sperm production decrease in Mesocricetus auratus.
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July 1980 in “Journal of Toxicology and Environmental Health” High doses of ethynylestradiol in rats caused growth issues, organ changes, and some tumors, but didn't increase overall tumor rates.
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July 2004 in “Fertility and Sterility” Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.
March 2026 in “Mammalogy Notes” Sterilize stray dogs to prevent disease spread to wildlife.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
November 2023 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” SLICK cattle have better heat tolerance due to specific gene expression and pathway differences.
17 citations
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November 2017 in “Experimental physiology” Breathing in newborn rats is affected differently by hormones based on their sex.
December 2025 in “Scientific Reports” Gut microbiota and metabolic pathways may play a key role in PCOS development.
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April 2012 in “Fertility and Sterility” Finasteride may cause infertility in rats by affecting epididymis and sperm function.
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January 1990 2 citations
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January 2025 in “Veterinary Dermatology” Male Pomeranians with woolly coats are more likely to develop alopecia X.
203 citations
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December 1947 in “Annals of Internal Medicine” April 2015 in “The FASEB Journal” Blocking androgens at birth reduces sexual motivation in male rats.
10 citations
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December 2019 in “in Vivo” Testosterone makes the connections in the uterus lining simpler and lowers certain protein levels, which might lead to infertility.
238 citations
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February 2007 in “Journal of Neuroscience” Ovarian and stress hormones can change GABA A receptors through neurosteroids.
Female rats showed more panic-related behavior than males, influenced by hormonal cycles and certain drugs.
31 citations
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November 1965 in “Journal of Mammalogy” The pituitary gland is crucial for normal mink fur cycles.
The treatment changed hormone levels and increased sexual behavior in female capuchin monkeys.
May 2021 in “Journal of the Endocrine Society” A 23-year-old woman's missed periods were caused by a rare genetic disorder treated with hormone patches.
10 citations
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July 2015 in “Veterinary Dermatology” Estradiol gel can cause hair loss in dogs.
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April 1985 in “Canadian Journal of Zoology” Moose have unique interdigital glands with green hairs and larger glands during mating season.