Neurosteroids as novel antidepressants and anxiolytics: GABA-A receptors and beyond.
Department of Psychiatry, Washington University School of Medicine, St. Louis, MO, USA.
Department of Neuroscience, Washington University School of Medicine, St. Louis, MO, USA.
The Taylor Family Institute for Innovative Psychiatric Research, Washington University School of Medicine, St. Louis, MO, USA.
Department of Neurology, Washington University School of Medicine, St. Louis, MO, USA.
Department of Developmental Biology, Washington University School of Medicine, St. Louis, MO, USA.
- Published Article
Neurobiology of stress
- Publication Date
Nov 01, 2019
The recent FDA approval of the neurosteroid, brexanolone (allopregnanolone), as a treatment for women with postpartum depression, and successful trials of a related neuroactive steroid, SGE-217, for men and women with major depressive disorder offer the hope of a new era in treating mood and anxiety disorders based on the potential of neurosteroids as modulators of brain function. This review considers potential mechanisms contributing to antidepressant and anxiolytic effects of allopregnanolone and other GABAergic neurosteroids focusing on their actions as positive allosteric modulators of GABAA receptors. We also consider their roles as endogenous "stress" modulators and possible additional mechanisms contributing to their therapeutic effects. We argue that further understanding of the molecular, cellular, network and psychiatric effects of neurosteroids offers the hope of further advances in the treatment of mood and anxiety disorders. © 2019 The Author(s).
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This record was last updated on 11/11/2019 and may not reflect the most current and accurate biomedical/scientific data available from NLM.
The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/31649968