ArticleNeuroscience2019
Chronic Intermittent Ethanol Exposure Selectively Increases Synaptic Excitability in the Ventral Domain of the Rat Hippocampus.
Article in Neuroscience, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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Who cites it
37 citing papers in PubMed, 46 citations in OpenAlex.
- The ventral hippocampus: computations, circuits and functions.Nature reviews. Neuroscience · 2026Review
- Sex-dependent role of the ventral hippocampus, but not its projection to the medial prefrontal cortex, in a novel operant conflict-driven ethanol choice task.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2026Article
- Adolescent intermittent ethanol exacerbates amyloid-β with age in the dorsal hippocampus of female TgF344-AD rats.Journal of Alzheimer's disease : JAD · 2026Article
- Epigenetic and Transcriptomic Impacts of Ethanol Vary by Brain Region and Extent of Exposure.eNeuro · 2026Article
- Chronic alcohol exposure parametric effects on anxiety- and pain-related behaviors in adult rats.Alcohol (Fayetteville, N.Y.) · 2026Article
- Adolescent social isolation associated changes in ethanol-induced dopamine regulation in the ventral pallidum.Addiction neuroscience · 2025Article
- Adolescent intermittent ethanol exacerbates Aβ with age in the dorsal hippocampus of female TgF344-AD rats.bioRxiv : the preprint server for biology · 2025Article
- Modulating depressive-like behaviors, memory impairment, and oxidative stress in chronic stress rat model using visible light therapy.Scientific reports · 2025Article
- Early life psychosocial stress increases binge-like ethanol consumption and CSF1R inhibition prevents stress-induced alterations in microglia and brain macrophage population density.Brain, behavior, & immunity - health · 2025Article
- Epigenetic regulation ofFrontiers in psychiatry · 2025Article
- Synaptic Effects Induced by Alcohol.Current topics in behavioral neurosciences · 2025Review
- Elevated GABAergic neurotransmission prevents chronic intermittent ethanol induced hyperexcitability of intrinsic and extrinsic inputs to the ventral subiculum of female rats.Neurobiology of stress · 2025Article
- Elevated GABAergic neurotransmission prevents chronic intermittent ethanol induced hyperexcitability of intrinsic and extrinsic inputs to the ventral subiculum of female rats.Neurobiology of stress · 2024Article
- Luteolin promotes neuronogenesis in hippocampus of chronic unpredictable mild stress rats and primary hippocampus of fetal rats.Journal of traditional Chinese medicine = Chung i tsa chih ying wen pan · 2024Article
- Sexually dimorphic effects of a modified adolescent social isolation paradigm on behavioral risk factors of alcohol use disorder in Long Evans Rats.Addiction neuroscience · 2023Article
- Negative modulation of AMPA receptors bound to transmembrane AMPA receptor regulatory protein γ-8 blunts the positive reinforcing properties of alcohol and sucrose in a brain region-dependent manner in male mice.Psychopharmacology · 2023Article
- A History of Low-Dose Ethanol Shifts the Role of Ventral Hippocampus during Reward Seeking in Male Mice.eNeuro · 2023Article
- Chemogenetic inhibition of a monosynaptic projection from the basolateral amygdala to the ventral hippocampus selectively reduces appetitive, but not consummatory, alcohol drinking-related behaviours.The European journal of neuroscience · 2023Article
- Article
- Ethanol exposure alters Alzheimer's-related pathology, behavior, and metabolism in APP/PS1 mice.Neurobiology of disease · 2023Article
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
Many studies have implicated hippocampal dysregulation in the pathophysiology of alcohol use disorder (AUD). However, over the past twenty years, a growing body of evidence has revealed distinct functional roles of the dorsal (dHC) and ventral (vHC) hippocampal subregions, with the dHC being primarily involved in spatial learning and memory and the vHC regulating anxiety- and depressive-like behaviors. Notably, to our knowledge, no rodent studies have examined the effects of chronic ethanol exposure on synaptic transmission along the dorsal/ventral axis. To that end, we examined the effects of the chronic intermittent ethanol vapor exposure (CIE) model of AUD on dHC and vHC synaptic excitability. Adult male Long-Evans rats were exposed to CIE or AIR for 10 days (12 h/day; targeting blood ethanol levels of 175-225 mg%) and recordings were made 24 h into withdrawal. As expected, this protocol increased anxiety-like behaviors on the elevated plus-maze and successive alleys test. Extracellular recordings revealed marked CIE-associated increases in synaptic excitation in the CA1 region that were exclusively restricted to the ventral domain of the hippocampus. Western blot analysis of synaptoneurosomal fractions revealed that the expression of two proteins that regulate synaptic strength, GluA2 and SK2, were dysregulated in the vHC, but not the dHC, following CIE. Together, these findings suggest that the ventral CA1 region may be particularly sensitive to the maladaptive effects of chronic ethanol exposure and provide new insight into some of the neural substrates that may contribute to the negative affective state that develops during withdrawal.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.