ArticleBrain, behavior, and immunity2017
Adolescent intermittent ethanol reduces serotonin expression in the adult raphe nucleus and upregulates innate immune expression that is prevented by exercise.
Article in Brain, behavior, and immunity, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed, 45 citations in OpenAlex.
- A neuroimmune framework for understanding adolescent stress and risk of alcohol misuse.Brain, behavior, & immunity - health · 2026Review
- Epigenetic Repression of the Serotonergic Neuron Phenotype Following Adolescent Binge Drinking Is Restored through Inhibition of Proinflammatory Signaling by Exercise and Glycyrrhizic Acid.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026Article
- Impact of adolescent ethanol binge on serotonin signaling and pain sensitivity post-withdrawal.Alcohol (Fayetteville, N.Y.) · 2025Article
- Physical activity levels and externalizing problem behaviors in Chinese adolescents using latent profile analysis.Scientific reports · 2025Article
- Chaperone-mediated autophagy, heat shock protein 70, and serotonin: novel targets of beta-hydroxybutyrate in HFFD/LPS-induced sporadic Alzheimer's disease model.Inflammopharmacology · 2025Article
- Article
- Impact of Neuroimmune System Activation by Adolescent Binge Alcohol Exposure on Adult Neurobiology.Advances in experimental medicine and biology · 2025Review
- Adolescent binge alcohol exposure accelerates Alzheimer's disease-associated basal forebrain neuropathology through proinflammatory HMGB1 signaling.Frontiers in aging neuroscience · 2025Article
- Ethanol changes Nestin-promoter induced neural stem cells to disturb newborn dendritic spine remodeling in the hippocampus of mice.Neural regeneration research · 2024Article
- Physical exercise regulates microglia in health and disease.Frontiers in neuroscience · 2024Review
- Article
- Adolescent intermittent ethanol exposure enhances adult stress effects in male rats.Pharmacology, biochemistry, and behavior · 2023Article
- Adolescent ethanol drinking promotes hyperalgesia, neuroinflammation and serotonergic deficits in mice that persist into adulthood.Brain, behavior, and immunity · 2023Article
- Treadmill Exercise Prevents Cognitive Impairments in Adolescent Intermittent Ethanol Rats by Reducing the Excessive Activation of Microglia Cell in the Hippocampus.International journal of molecular sciences · 2022Article
- Sex-specific effects of adolescent intermittent ethanol exposure-induced dysregulation of hippocampal glial cells in adulthood.Alcohol (Fayetteville, N.Y.) · 2022Article
- Impact of Adolescent Intermittent Ethanol Exposure on Social Investigation, Social Preference, and Neuronal Activation in cFos-LacZ Male and Female Rats.Frontiers in pharmacology · 2022Article
- Neonatal ethanol causes profound reduction of cholinergic cell number in the basal forebrain of adult animals.Alcohol (Fayetteville, N.Y.) · 2021Article
- Social isolation-related depression accelerates ethanol intake via microglia-derived neuroinflammation.Science advances · 2021Article
- Primed for addiction: A critical review of the role of microglia in the neurodevelopmental consequences of adolescent alcohol drinking.Alcoholism, clinical and experimental research · 2021Review
- Increased Toll-like Receptor-MyD88-NFκB-Proinflammatory neuroimmune signaling in the orbitofrontal cortex of humans with alcohol use disorder.Alcoholism, clinical and experimental research · 2021Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
Serotonergic neurons of the raphe nucleus regulate sleep, mood, endocrine function, and other processes that mature during adolescence. Alcohol abuse and binge drinking are common during human adolescence. We tested the novel hypothesis that adolescent intermittent ethanol exposure would alter the serotonergic system that would persist into adulthood. Using a Wistar rat model of adolescent intermittent ethanol (AIE; 5.0g/kg, i.g., 2-day on/2-day off from postnatal day [P]25 to P55), we found a loss of dorsal raphe nucleus (DRN) serotonin (5-HT)-immunoreactive (+IR) neurons that persisted from late adolescence (P56) into adulthood (P220). Hypothalamic and amygdalar DRN serotonergic projections were reduced following AIE. Tryptophan hydroxylase 2, the rate-limiting 5-HT synthesizing enzyme, and vesicular monoamine transporter 2, which packages 5-HT into synaptic vesicles, were also reduced in the young adult midbrain following AIE treatment. Adolescent intermittent ethanol treatment increased expression of phosphorylated (activated) NF-κB p65 as well as markers of microglial activation (i.e., Iba-1 and CD11b) in the adult DRN. Administration of lipopolysaccharide to mimic AIE-induced innate immune activation reduced 5-HT+IR and increased phosphorylated NF-κB p65+IR similar to AIE treatment. Voluntary exercise during adolescence through young adulthood blunted microglial marker and phosphorylated NF-κB p65+IR, and prevented the AIE-induced loss of 5-HT+IR neurons in the DRN. Together, these novel data reveal that AIE reduces 5-HT+IR neurons in the adult DRN, possibly through an innate immune mechanism, which might impact adult cognition, arousal, or reward sensitivity. Further, exercise prevents the deleterious effects of AIE on the serotonergic system.
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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.