40 citations
,
December 2019 in “Neurobiology of Stress” This review focuses on neuroactive steroids' influence on GABA-ergic signaling and discusses challenges in developing them for various therapeutic uses, citing recent excitement from FDA approval of allopregnanolone for postpartum depression but reporting no new results.
49 citations
,
March 2012 in “Journal of Pharmacology and Experimental Therapeutics” This study developed a novel mouse model of catamenial epilepsy by manipulating neurosteroid levels and demonstrated that withdrawal increases seizure susceptibility, potentially linked to changes in GABAA receptor-subunit plasticity.
35 citations
,
January 2005 in “Brain Research” This study indicates that progesterone’s anesthetic activity in PR knockout mice is not due to progesterone receptors but is partially mediated by the neurosteroid allopregnanolone through GABAA receptor potentiation.
January 2020 in “Journal of quality in health care & economics” This study found that all participating depressed women in the sample had vitamin D deficiency or insufficiency, suggesting a possible association between vitamin D levels and depression among women in Iraq.
5 citations
,
January 2025 in “Science Advances” In this study, researchers observed that acute stress increased levels of the enzyme 5αR2 in the medial prefrontal cortex of male rats, affecting stress reactivity, but this effect was not seen in females.
4 citations
,
May 2019 in “Physiology & Behavior” This study found that cocaine disrupted the relationship between certain brain androgen levels and sexual behavior in male rats, with dose-dependent effects on testosterone metabolism.
65 citations
,
October 2008 in “Journal of Neuroendocrinology”
21 citations
,
June 2005 in “Alcoholism: Clinical and Experimental Research” This study found that finasteride affected ethanol withdrawal severity differently in WSP and WSR lines, with more modulation seen in the WSP line.
47 citations
,
November 2002 in “Journal of Neurochemistry” This study found that progesterone pretreatment in rats potentiated the effect of ethanol on mesocortical dopamine levels, suggesting an influence of neuroactive steroids on ethanol's action.
29 citations
,
June 2004 in “Pharmacology, Biochemistry and Behavior” Finasteride reduces alcohol withdrawal effects, especially in female mice.
1 citations
,
March 2016 in “Neurotoxicity Research” In this study, finasteride pretreatment led to EEG changes in rats that suggest a mild reduction in thioacetamide-induced hepatic encephalopathy.
31 citations
,
March 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” This review discusses the complexity of neuroactive steroid therapies for neuroprotection and reports no new clinical findings, suggesting potential unexpected effects in the brain compared to systemic levels.
This study found that neonatal administration of finasteride reduced sensitivity to alcohol's motor-stimulating effects and increased preference for novelty and initial alcohol consumption in rats, suggesting a role in alcohol vulnerability.
24 citations
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December 2013 in “Sexual medicine reviews” This review discusses persistent sexual and nonsexual adverse effects of the 5α-reductase inhibitor finasteride in younger men, including erectile dysfunction, low libido, and depression. It reports no new clinical results but emphasizes further research is needed.
17 citations
,
September 2013 in “The International Journal of Neuropsychopharmacology” This study found that neonatal finasteride treatment in male rats altered hippocampal GABAA receptor subunit expression and led to increased anxiety-like behavior in response to progesterone in adulthood.
4 citations
,
January 2018 in “General Physiology and Biophysics” In this study, finasteride-treated WAG/Rij rats showed a significant increase in spike-wave discharges when administered endogenous steroids THPROG and THDOC, indicating potential exacerbation of absence seizures.
17 citations
,
August 2014 in “American Journal of Physiology-gastrointestinal and Liver Physiology” This study found that finasteride significantly improved motor, EEG, and cellular changes in a rat model of thioacetamide-induced hepatic encephalopathy and prevented the development of hepatic coma.
11 citations
,
August 2015 in “PLOS ONE” This study found that finasteride has selective effects on oxidative stress and acetylcholinesterase activity in different brain regions in rats with thioacetamide-induced hepatic encephalopathy.
100 citations
,
May 2003 in “Journal of Neuroscience” This study found that neuroactive steroids like DHEA and pregnenolone influence cocaine-induced appetence in mice through their interaction with the ς1 receptor, suggesting a role in individual vulnerability to addiction.
32 citations
,
February 2014 in “Psychopharmacology” This study found that dutasteride pretreatment reduced certain sedative effects of alcohol and may decrease drinking behavior in adult men, likely by impacting neuroactive steroid levels.
15 citations
,
June 2019 in “Journal of Neuroendocrinology” This study found that isoallopregnanolone reduced stress-induced tic-like behaviors and sensorimotor gating deficits in a mouse model of Tourette syndrome, suggesting potential therapeutic properties comparable to existing treatments like haloperidol and finasteride.
4 citations
,
June 2003 in “Fertility and Sterility” In this pilot study, finasteride increased testosterone/dihydrotestosterone and progesterone/dihydroprogesterone ratios in normal ovulatory women but did not alter ovulation or gonadotropin secretion.
1 citations
,
January 2019 in “Elsevier eBooks” This review suggests that GABAergic neuroactive steroids modulated by alcohol could play a role in vulnerability to alcohol use disorders, providing a rationale for further therapeutic exploration.
86 citations
,
February 2009 in “Journal of Neuroscience” This study found that during late pregnancy in rats, there is an increase in extrasynaptic GABA A receptor number in granule cells of the dentate gyrus, linked to hormonal fluctuations.
7 citations
,
April 2006 in “Experimental Neurology” Finasteride blocks deoxycorticosterone's anticonvulsant effects in infant rats, but indomethacin doesn't.
2 citations
,
November 2012 in “InTech eBooks” The document concludes that sex hormones are crucial for mammalian reproduction, health, and behavior, and require more research for therapeutic use.
January 2017 in “Elsevier eBooks” This study suggests that progesterone may have a complex role in absence epilepsy, facilitating seizures through conversion to allopregnanolone, but potentially reducing them during pregnancy.
November 2020 in “Psychoneuroendocrinology” In this study, repeated finasteride administration was associated with decreased social interaction and cognitive deficits in male rats, potentially linked to changes in cholinergic system activity.
11 citations
,
September 2008 in “European Journal of Drug Metabolism and Pharmacokinetics” Finasteride helps reduce pain and inflammation in animals.
137 citations
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March 2006 in “Cns Drug Reviews” This review explores finasteride's effects on neuroactive steroid levels and their potential influence on disorders like depression and alcohol withdrawal but reports no new clinical findings.