March 2025 in “Journal of Endocrinology and Metabolism” Rodent models of PCOS show some hormone changes similar to humans, but also have key differences.
18 citations
,
March 2020 in “Frontiers in Neuroendocrinology” The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
13 citations
,
May 2007 in “Journal of Endocrinology” Synthetic 19-norprogestins promote bone cell growth and function through their non-phenolic metabolites.
23 citations
,
July 2003 in “Pharmacology, Biochemistry and Behavior” Finasteride blocks progesterone's effect on absence seizures in rats.
110 citations
,
August 2015 in “Neuropsychopharmacology” High-dose dutasteride reduces PMDD symptoms by stabilizing neurosteroid levels.
January 2020 in “Nihon Yakuri Gakkai nenkai yoshishu” Reducing 5α-reductase activity helps endometrial cells differentiate, aiding pregnancy.
16 citations
,
October 2017 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Dutasteride may protect the brain in early Parkinson's disease.
6 citations
,
January 2020 in “BMC Neuroscience” Male tissue has more cell death than female tissue after ischemia, and some neurosteroids only protect female cells.
2 citations
,
February 2003 in “Annals of Neurology” Neuroimaging suggests that treatments targeting brain steroids could help control epilepsy, especially types linked to the menstrual cycle.
2 citations
,
March 2021 in “Reproduction” Finasteride may affect male fertility by interfering with specific sperm signaling.
21 citations
,
January 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” Progesterone byproduct 5αP stimulates mammary tumor growth, but finasteride can suppress it.
88 citations
,
January 2004 in “Journal of Neuroscience” Neurosteroids regulate synaptic inhibition in the spinal cord and may help manage spinal pain.
6 citations
,
October 1993 in “Endocrinology” Finasteride blocks progesterone production in specific tumor cells, potentially causing side effects.
13 citations
,
January 2020 in “Neuroscience” Blocking 5α-reductase can harm memory and brain structure, and increase harmful brain changes in male mice used for Alzheimer's disease research.
31 citations
,
January 2017 in “Advances in Experimental Medicine and Biology” Low testosterone and 5α-reductase inhibitors can harm men's metabolic and sexual health; testosterone therapy may help, but discussing 5α-RIs' side effects is important.
40 citations
,
March 2016 in “The Journal of Clinical Endocrinology & Metabolism” Young girls whose mothers have PCOS may have higher activity of a specific enzyme that could lead to developing PCOS later.
33 citations
,
October 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces hair growth and is safe for women with excessive hair.
9 citations
,
August 2000 in “Journal of Periodontal Research” Finasteride reduces testosterone conversion, progesterone lessens this, and levamisole enhances finasteride's effect.
22 citations
,
March 2000 in “Clinics in Dermatology” Many treatments for hair loss lack proper testing and FDA approval, so their effectiveness is uncertain.
21 citations
,
April 2011 in “Physiological Research” Normal levels of DHT can reduce belly fat and increase muscle, but too much can lead to hair loss, prostate issues, and possibly heart disease.
3 citations
,
January 2016 in “Elsevier eBooks” Steroid hormones are crucial for body functions and have various medical uses, but their misuse can lead to dependence.
December 2023 in “Frontiers in pharmacology” Progesterone initially worsens but later reduces neuropathic pain in mice, through different mechanisms.
2 citations
,
January 2011 in “Andrologia” Flutamide and a new synthetic steroid affected brain and prostate chemicals and showed potential for treating androgen-related conditions and epilepsy.
July 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The structure of SRD5A reveals how it reduces steroids, aiding drug design for related health conditions.
46 citations
,
September 2011 in “Journal of Endocrinology” Natural 5α-reduced glucocorticoids might be anti-inflammatory with fewer side effects than current options.
80 citations
,
January 1988 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Spironolactone can cause side effects like irregular bleeding, but lower doses may reduce these effects and still improve hirsutism.
10 citations
,
December 2019 in “in Vivo” Testosterone makes the connections in the uterus lining simpler and lowers certain protein levels, which might lead to infertility.
30 citations
,
February 2003 in “Annals of Neurology” Progesterone and related compounds may help control seizures linked to the menstrual cycle but have limitations that need addressing.
26 citations
,
June 2011 in “Molecular Medicine” Progesterone significantly reduces neuroblastoma tumor growth without harming healthy cells.
18 citations
,
September 2021 in “Journal of Neuroendocrinology” Neurosteroids can influence behavior by modulating brain inhibition, with potential for treating psychiatric disorders.