123 citations
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December 2015 in “Journal of Neuroendocrinology” This review discusses recent strategies targeting the neuroactive steroid biosynthetic pathway to enhance neurosteroidogenesis, highlighting their potential benefits for neurodegenerative and neuropsychiatric diseases, but reports no new clinical findings.
91 citations
,
May 2003 in “PubMed” This study found that neuroactive steroids, through their interaction with the sigma1 receptor, influence the acquisition of cocaine's rewarding effects in mice, suggesting a role in drug addiction vulnerability.
82 citations
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August 2006 in “Pharmacology, Biochemistry and Behavior” This review proposes focusing on relationships between neuroactive steroids and psychiatric disorder symptoms, rather than relying on traditional disorder classifications, and reports no new clinical findings.
73 citations
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July 2013 in “The Journal of Sexual Medicine” This study observed that androgenic alopecia patients taking finasteride had altered neuroactive steroid levels and persistent depression symptoms even after stopping the treatment.
61 citations
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April 2014 in “The Journal of Steroid Biochemistry and Molecular Biology” This study reports that men with androgenic alopecia experience altered neuroactive steroid levels associated with persistent depression symptoms even after stopping finasteride treatment.
58 citations
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April 2017 in “The Journal of Steroid Biochemistry and Molecular Biology” This study found that patients with post-finasteride syndrome exhibited major depressive disorder, severe erectile dysfunction, and neuropathy, alongside altered neuroactive steroid levels in cerebrospinal fluid.
44 citations
,
February 2009 in “Pain” This study found that progesterone can inhibit spinal reflex potentiation in ovariectomized rats through GABA(A) receptor activity, mediated by neurosteroid metabolism rather than direct progesterone receptor action.
40 citations
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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.
34 citations
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April 2014 in “Psychopharmacology” This review discusses the pharmacological properties and physiological regulation of neuroactive steroids, focusing on their varied responses to stress and ethanol in rats, mice, and humans, but it reports no new findings.
33 citations
,
December 2015 in “Neuroendocrinology” This study found that subchronic finasteride treatment in male rats altered neuroactive steroid levels and steroid receptor expression in the brain, with some changes persisting after drug withdrawal.
32 citations
,
September 2010 in “Stress” This study found that suppressing allopregnanolone production in late gestation fetal sheep altered CNS activity and behavioral responses to transient asphyxia, effects mitigated by an analog co-infusion.
24 citations
,
June 2013 in “Journal of neuroendocrinology” This research observed that 5α-reductase inhibitors showed significant tic-suppressing effects in Tourette's syndrome, suggesting a key role for this enzyme in the disorder's pathogenesis.
15 citations
,
November 2007 in “Journal of Neurochemistry” In this study, ethanol discontinuation in Y 1 R / LacZ transgenic mice significantly decreased neuropeptide Y immunoreactivity and increased Y 1 receptor gene expression in the amygdala, with evidence suggesting an important role for the progesterone metabolite 3α,5α‐TH PROG in these changes.
11 citations
,
November 2021 in “International journal of molecular sciences” In this study, germ-free male mice showed altered levels of certain neuroactive steroids in the brain and periphery, suggesting microbiota may influence neuroendocrine pathways that support brain functioning.
11 citations
,
January 2016 in “Molecular and Cellular Neuroscience” This study found that thalamic GABAA receptor α4 subunit levels increased after prolonged ethanol exposure and were regulated by phosphorylation and neuroactive steroids following acute high-dose ethanol administration.
9 citations
,
January 2009 in “PubMed” This study found that finasteride treatment in men with benign prostate hyperplasia significantly altered steroid hormone profiles and may contribute to depressive symptoms by affecting neuroactive steroid levels.
7 citations
,
May 2017 in “Behavioural brain research” This study found that manipulating neuroactive steroids during early development stages in male rats influences alcohol-induced locomotor sensitivity, suggesting their role in addiction vulnerability.
5 citations
,
April 2024 in “ACS Chemical Neuroscience” This study developed and validated a highly sensitive method using ultrahigh-performance liquid chromatography with tandem mass spectrometry for accurately analyzing nine neuroactive steroids in human serum, which could enhance understanding of disease pathophysiology and support new biomarker and therapeutic discovery.
2 citations
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June 2018 in “Physiology & behavior” The study found that ondansetron decreased alcohol consumption only in adult rats that experienced altered neuroactive steroid levels from early post-natal finasteride exposure, suggesting increased 5HT3 receptor sensitivity in these rats.
2 citations
,
July 2020 in “Behavioural Brain Research” This study found that neonatal administration of finasteride affected adult learning and memory in rats, enhancing object recognition but impairing aversive learning, with no effect on anxiety-like behavior.
1 citations
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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.
September 2023 in “The Journal of Steroid Biochemistry and Molecular Biology” Stopping finasteride for male pattern hair loss changes neuroactive steroid levels in the brain and blood.
This review discusses the role of neuroactive steroids in physiological processes and their potential involvement in neuropsychiatric disorders, but it reports no new experimental findings.
January 2017 in “Archivio Istituzionale della Ricerca (Universita Degli Studi Di Milano)” This study found that one month of diabetes altered neuroactive steroid levels and associated mechanisms in the hippocampus and cerebral cortex of an experimental rat model.
In this study, thalamic GABAA receptor α4 subunit levels were regulated after acute and chronic ethanol exposure, with temporal expression changes affected by phosphorylation state and neuroactive steroids.
November 2003 in “Journal of Neurochemistry” This study suggests that the neurosteroid allopregnanolone may play a crucial role in how ethanol affects neurons related to alcohol addiction vulnerability.
10 citations
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August 2024 in “Neuroscience & Biobehavioral Reviews” This review discusses the role of neuro(active)steroids, particularly those in the 5α reductase pathway, in modulating dopamine signaling and their impact on neuropsychiatric disorders characterized by dopamine imbalances, including addiction, schizophrenia, and Parkinson's Disease.
100 citations
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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.
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.
In this study, adolescents with depressive symptoms were found to have higher urinary excretion rates of certain steroid metabolites, including corticosterone and adrenal hormones, and a specific metabolite ratio was identified as a potential biomarker for distinguishing these patients from healthy controls.