ArticleNeurobiology of disease2022
Alcohol dependence and withdrawal increase sensitivity of central amygdalar GABAergic synapses to the glucocorticoid receptor antagonist mifepristone in male rats.
Article in Neurobiology of disease, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 20 citations in OpenAlex.
- Review
- Noradrenaline Modulates Central Amygdala GABA Transmission and Alcohol Drinking in Female Rats.Biological psychiatry · 2026Article
- DNA hydroxymethylation-mediated epigenetic modifications in alcohol use disorder.Frontiers in aging neuroscience · 2026Review
- A conceptual framework for the intersection of hyperalgesia and hyperkatifeia in alcohol addiction.Alcohol (Fayetteville, N.Y.) · 2025Review
- Neuroendocrinology meets addiction: Emerging pharmacotherapies on the horizon.Journal of internal medicine · 2025Review
- Apremilast reduces co-occurring alcohol drinking and mechanical allodynia and regulates central amygdala GABAergic transmission.JCI insight · 2025Article
- Theoretical Frameworks and Mechanistic Aspects of Alcohol Addiction: Alcohol Addiction as a Reward Deficit/Stress Surfeit Disorder.Current topics in behavioral neurosciences · 2025Review
- Chemogenetic inhibition of central amygdala CRF-expressing neurons decreases alcohol intake but not trauma-related behaviors in a rat model of post-traumatic stress and alcohol use disorder.Molecular psychiatry · 2024Article
- Article
- FKBP5 inhibitors modulate alcohol drinking and trauma-related behaviors in a model of comorbid post-traumatic stress and alcohol use disorder.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2023Article
- Glucocorticoid receptors regulate central amygdala GABAergic synapses in Marchigian-Sardinian alcohol-preferring rats.Neurobiology of stress · 2023Article
- The glucagon-like peptide-1 (GLP-1) analogue semaglutide reduces alcohol drinking and modulates central GABA neurotransmission.JCI insight · 2023Article
- Article
- Update on the Role of Glucocorticoid Signaling in Osteoblasts and Bone Marrow Adipocytes During Aging.Current osteoporosis reports · 2023Review
- Review
- Alcohol Dependence Induces CRF Sensitivity in Female Central Amygdala GABA Synapses.International journal of molecular sciences · 2022Article
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Authors and funding
9 authors at 5 institutions in 2 countries.
Funding
Abstract
Aberrant glucocorticoid signaling via glucocorticoid receptors (GR) plays a critical role in alcohol use disorder (AUD). Acute alcohol withdrawal and protracted abstinence in dependent rats are associated with increased GR signaling and changes in GR-mediated transcriptional activity in the rat central nucleus of the amygdala (CeA). The GR antagonist mifepristone decreases alcohol consumption in dependent rats during acute withdrawal and protracted abstinence. Regulation of CeA synaptic activity by GR is currently unknown. Here, we utilized mifepristone and the selective GR antagonist CORT118335 (both at 10 μM) as pharmacological tools to dissect the role of GR on GABA transmission in male, adult Sprague-Dawley rats using slice electrophysiology. We subjected rats to chronic intermittent alcohol vapor exposure for 5-7 weeks to induce alcohol dependence. A subset of dependent rats subsequently underwent protracted alcohol withdrawal for 2 weeks, and air-exposed rats served as controls. Mifepristone reduced the frequency of pharmacologically-isolated spontaneous inhibitory postsynaptic currents (sIPSC) in the CeA (medial subdivision) without affecting postsynaptic measures in all groups, suggesting decreased GABA release with the largest effect in dependent rats. CORT118335 did not significantly alter GABA transmission in naïve, but decreased sIPSC frequency in dependent rats. Similarly, mifepristone decreased amplitudes of evoked inhibitory postsynaptic potentials only in dependent rats and during protracted withdrawal. Collectively, our study provides insight into regulation of CeA GABAergic synapses by GR. Chronic ethanol enhances the efficiency of mifepristone and CORT118335, thus highlighting the potential of drugs targeting GR as a promising pharmacological avenue for the treatment of AUD.
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