Cited by 30Neuroscience and Neuropharmacology ResearchNeurotransmitter Receptor Influence on BehaviorNicotinic Acetylcholine Receptors Study

Neurosteroid influences on sensitivity to ethanol

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Helms, Christa M., Rossi, David J., Grant, Kathleen A.·2012·Frontiers in Endocrinology

Abstract

Harrison and Simmonds (1984) provided the first clear evidence that neuroactive steroids act at specific neurotransmitter receptors, investigating the potentiation of muscimol-induced GABAA responses by alphaxalone (3α-hydroxy 5α -pregnane l l,20-dione) in cortical slices. Within 2 years, a progesterone metabolite (3α-hydroxy-5α-pregnan-20-one, 3α,5α-THP, allopregnanolone) and a deoxycorticosterone metabolite (3α,21-dihydroxy-5α-pregnan-20-one, 3α,5α-THDOC, tetrahydrodeoxycorticosterone, THDOC) were shown to be positive modulators of GABAA receptors (Majewska et al., 1986). That same year, publications showed that ethanol has direct action at GABAA receptors (Allan and Harris, 1986, Suzdak et al., 1986). Thus, the GABAA receptor complex was identified as a membrane-bound target providing a pharmacological basis for shared sensitivity between neurosteroids and ethanol. The common behavioral effects of ethanol and neuroactive steroids were compared directly using drug discrimination procedures (Ator et al., 1993). The N-methyl-D-aspartate (NMDA) receptor complex, a membrane-bound ionophore important for excitatory glutamate neurotransmission, was shown to be antagonized by low concentrations of ethanol (Lovinger et al., 1989). Since data were emerging for neurosteroid activity at NMDA receptors (Wu et al., 1991), the stage was set for the suggestion that neurosteroids, and physiological states that alter circulating neuroactive steroids, could affect sensitivity to alcohol (Grant et al., 1997). The unique interface of ethanol and neurosteroids encompasses molecular, cellular, physiological and behavioral processes. This review will highlight a variety of mechanisms by which neurosteroids affect sensitivity to ethanol, including metabolic pathways, physiological states associated with activity of the hypothalamic-pituitary adrenal (HPA) and hypothalamic-pituitary-gonadal (HPG) axes, and the effects of chronic exposure to ethanol, in addition to behavioral implications.

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Crossref · 10.3389/fendo.2012.00010

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  • Ethanol-induced increases in neurosteroid concentrations may underlie some behavioral effects of ethanol.

    “Finally, it should be noted that in addition to directly modulating the activity of GABAARs, ethanol also increases neurosteroid concentrations, which may also underlie some of its behavioral affects (see [116] for a review).”

    From An emerging circuit pharmacology of GABAA receptors (2018) · cites this paper as [116]

  • Ethanol increases neurosteroid concentrations.

    “Finally, it should be noted that in addition to directly modulating the activity of GABAARs, ethanol also increases neurosteroid concentrations, which may also underlie some of its behavioral affects (see [116] for a review).”

    From An emerging circuit pharmacology of GABAA receptors (2018) · cites this paper as [116]

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  1. Choi D. S. Wei W. Deitchman J. K. Kharazia V. N. Lesscher H. M. McMahon T. Wang D. Qi Z. H. Sieghart W. Zhang C. Shokat K. M. Modi I. Messing R. O. (2008). Protein kinase Cdelta regulates ethanol intoxication and enhancement of GABA-stimulated tonic current. J. Neurosci. 28, 11890– 11899 10.1523/JNEUROSCI.3259-08.2008 19005054 PMC2688726 · DOI
  2. Hotchkiss J. Knobil E. (1994). “The menstrual cycle and its neuroendocrine control,” in The Physiology of Reproduction, 2nd Edn, eds Knobil E. Neill J. D. (New York: Raven Press), 711– 749
  3. Kelly T. H. Fredenburg A. M. Emurian C. S. Martin C. A. Hays L. R. Rush C. R. (2001). Discriminative stimulus effects of triazolam: influence of menstrual cycle phase. Drug Alcohol Depend. 63, S3– S178 10.1016/S0376-8716(01)00133-8 · DOI

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Authors
Helms, C. M., Rossi, D. J., & Grant, K. A.
Affiliations
  • Oregon National Primate Research Center (US)
  • Oregon Health & Science University (US)
Corresponding author
Helms, Christa M.
Venue
Frontiers in Endocrinology
Published
2012
Volume
3
Pages
10-10
ISSN
1664-2392 (ISSN-L)
OpenAlex
W2169076325
Cited by
30
References
224
Citations by year
2025: 1 · 2024: 2 · 2023: 2 · 2022: 2 · 2021: 1 · 2019: 1 · 2018: 4 · 2017: 4 · 2016: 2 · 2015: 1 · 2014: 3 · 2013: 6 · 2012: 1
FWCI
1.45
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
  • Frontiers in Endocrinology (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
National Institute on Alcohol Abuse and Alcoholism (P60AA010760, R24AA019431)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nicotinic Acetylcholine Receptors Study
Keywords
neurosteroids, ethanol sensitivity, GABAA receptor, NMDA receptor, allopregnanolone, tetrahydrodeoxycorticosterone, alcoholism, hypothalamic-pituitary-adrenal axis, hypothalamic-pituitary-gonadal axis, chronic ethanol exposure, alcohol metabolism, drug discrimination

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