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.
9 citations
,
May 2011 in “Hormones and Behavior” Allopregnanolone, a progesterone metabolite, helps reduce restraint effects on behavior.
123 citations
,
June 2006 in “Journal of Neurobiology” Progesterone protects brain cells, but Provera does not.
1 citations
,
April 2013 in “The FASEB Journal” 3α‐OH‐DHP is essential for reducing nerve activity related to blood pressure control during pregnancy.
269 citations
,
May 2002 in “Hormones and Behavior” Lowering 3α,5α-THP in the hippocampus increases anxiety and depression in proestrous rats.
June 2014 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” Progesterone and its metabolites can prevent seizures without major side effects.
May 2006 in “Frontiers in Neuroendocrinology” Progesterone and its metabolites affect myelin protein expression differently in male and female rat Schwann cells.
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.
5alpha-DHP may be a safe, effective treatment for certain seizures without causing sedation.
29 citations
,
October 2009 in “Pharmacology Biochemistry and Behavior”
February 2023 in “Malaysian Journal of Science. Series B, Physical & Earth Sciences” Analyzing bear poop helps measure their stress without harming them.
24 citations
,
July 2016 in “Steroids” Progesterone and testosterone protect brain cells from damage through specific pathways.
13 citations
,
May 2007 in “Journal of Endocrinology” Synthetic 19-norprogestins promote bone cell growth and function through their non-phenolic metabolites.
April 2008 in “Annals of General Psychiatry” Social isolation changes brain receptors and makes ethanol more impactful.
44 citations
,
February 2009 in “Pain” Progesterone reduces spinal reflex activity by increasing certain GABA(A) receptor subtypes.
32 citations
,
September 2011 in “Journal of Neuroendocrinology” Inhibiting 5α-reductase during late pregnancy shortens gestation, reduces litter size, and harms memory in rat offspring.
11 citations
,
June 2005 in “Veterinary Dermatology” Canine hair follicle cells convert progesterone into various metabolites, mainly cortisol.
4 citations
,
January 2025 in “International Journal of Molecular Sciences” Progesterone reduces anxiety and depression in female mice by increasing BDNF in the brain, needing 5α-reduction and estradiol.
28 citations
,
November 2009 in “European Journal of Neuroscience” Progesterone and allopregnanolone increase glycine release in rat brain cells.
25 citations
,
July 2006 in “Journal of Neurochemistry” Progesterone affects GABAA receptor function by altering δ subunit levels.
16 citations
,
November 2011 in “Neuroscience Letters” Progesterone protects brain cells by converting to allopregnanolone and involving GABAA receptors.
26 citations
,
November 2013 in “Neuroscience” Progesterone can reduce seizures without relying on the GABAA receptor pathway.
23 citations
,
July 2003 in “Pharmacology, Biochemistry and Behavior” Finasteride blocks progesterone's effect on absence seizures in rats.
January 2020 in “Nihon Yakuri Gakkai nenkai yoshishu” Reducing 5α-reductase activity helps endometrial cells differentiate, aiding pregnancy.
November 2014 in “Clinical Neurophysiology” High doses of progesterone can reduce seizures in mice.
85 citations
,
May 2009 in “Hippocampus” Progesterone helps adult male mice grow more neurons and improves memory.
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.
January 2010 in “Acta Universitatis Medicinalis Nanjing” Progesterone helps adult male mice's brain cells survive and improves learning and memory.
83 citations
,
November 2006 in “European Journal of Neuroscience” Progesterone protects rat brain cells by enhancing GABA A receptor activity.
48 citations
,
February 1999 in “PubMed” Finasteride, a drug, can block the seizure-preventing effects of a hormone called progesterone in mice.