April 2010 in “The Journal of Urology” The research found that androgens help control blood flow in the rat prostate through a specific binding site.
23 citations
,
January 2007 in “Archives of Andrology” Finasteride may negatively affect male fertility.
110 citations
,
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.
January 2014 in “Ghent University Academic Bibliography (Ghent University)”
April 1981 in “Pediatric research” Copper treatments increase copper in all tissues, but brindled female mice accumulate much more copper in their kidneys without clinical effects, unlike brindled male mice where brain copper deficiency is clinically significant.
13 citations
,
August 2016 in “Reproduction” High doses of nandrolone decanoate disrupt ovarian hormones and receptors in rats, with recovery only at lower doses and longer recovery times.
3 citations
,
April 2011 in “Expert Review of Dermatology” Male hair loss is caused by inactive hair follicle stem cells.
1 citations
,
December 2010 in “Elsevier eBooks” Cell transplantation faces challenges in genitourinary reconstruction, but alternative tissue sources and microencapsulation show promise.
January 2022 in “European journal of anatomy” A man had four testicles, two of which were outside the scrotum and looked like fatty lumps.
2 citations
,
January 2018 in “International Journal of Trichology” The hCG diet and testosterone therapy can cause hair loss in some people.
11 citations
,
November 2006 in “Journal of Veterinary Diagnostic Investigation” An alpaca acted like a male and couldn't have babies because of a benign tumor in its ovary that caused high testosterone levels.
October 2010 in “International Journal of Dermatology” An 86-year-old man with prostate cancer was diagnosed with a rare, low-grade breast cancer and underwent surgery but declined additional hormone therapy.
36 citations
,
May 2017 in “The journal of sexual medicine” Cyproterone acetate treatment is safe and causes mild feminization, which increases with added estrogen.
54 citations
,
September 2013 in “Fertility and Sterility” Finasteride can reduce fertility in some men, but stopping it increases sperm count.
26 citations
,
April 2002 in “Archives of Dermatology”
March 2024 in “Cell communication and signaling” Lack of sleep in mice leads to prostatitis by reducing certain hormones and activating an inflammatory pathway, which can be temporarily fixed with normal sleep.
April 2020 in “International journal of reproduction, contraception, obstetrics and gynecology” A postmenopausal woman with hair loss and hirsutism improved after surgery to remove an ovarian tumor.
June 1998 in “Biomedicine & Pharmacotherapy” Medical treatments like chemotherapy and radiotherapy can harm sperm production, so freezing sperm before treatment is important for men who want children later.
6 citations
,
July 1994 in “Journal of Dermatological Science” Introducing the rat OTC gene normalized hair growth in SPF-ASH mice.
May 2016 in “Endocrine Abstracts” The removal of the adrenal tumor improved the patient's symptoms and reduced androgen levels, indicating successful surgery.
13 citations
,
June 2008 in “Springer eBooks” 3 citations
,
March 2009 in “Hirosaki University Repository for Academic Resources (Hirosaki University)” Hirosaki hairless rats have sparse, twisted hair due to missing hair keratin genes.
February 2026 in “European Urology”
April 2020 in “Journal of the Endocrine Society” A 14-year-old girl with no menstrual period was diagnosed with Swyer Syndrome and treated for a related cancer risk.
36 citations
,
May 2011 in “The Journal of Clinical Endocrinology & Metabolism” Treatment with a hormone agonist can reduce excess male hormones in postmenopausal women without surgery.
32 citations
,
July 2017 in “Clinical and Experimental Dermatology” Finasteride effectively treats hair loss in transgender men with few side effects.
7 citations
,
September 1997 in “PubMed” 2 citations
,
March 2022 in “Laboratory Animal Research” A mild botulinum toxin injection improved sperm production and movement in aging mice.