ArticleNeuropharmacology2025
Prelimbic cortex perineuronal net expression and social behavior: Impact of adolescent intermittent ethanol exposure.
Article in Neuropharmacology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed.
- Adolescent cannabinoid exposure delays development of prefrontal cortex perineuronal nets and inhibitory interneurons.Neuroscience · 2026Article
- Perineuronal nets in the developing brain: implications for neurodevelopmental disorders.Molecular brain · 2025Review
- The Impacts of Binge Drinking and Hangover on the Social Brain: An Integrative Narrative Review.Biomedicines · 2025Review
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Authors and funding
7 authors.
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Abstract
Adolescent intermittent ethanol (AIE) exposure in rats leads to social deficits. Parvalbumin (PV) expressing fast-spiking interneurons in the prelimbic cortex (PrL) contribute to social behavior, and perineuronal nets (PNNs) within the PrL preferentially encompass and regulate PV interneurons. AIE exposure increases PNNs, but it is unknown if this upregulation contributes to AIE-induced social impairments. The current study was designed to determine the effect of AIE exposure on PNN expression in the PrL and to assess whether PNN dysregulation contributes to social deficits elicited by AIE. cFos-LacZ male and female rats were exposed every other day to tap water or ethanol (4 g/kg, 25% w/v) via intragastric gavage between postnatal day (P) 25-45. We evaluated neuronal activation by β-galactosidase expression and PNN levels either at the end of the exposure regimen on P45 and/or in adulthood on P70. In addition, we used Chondroitinase ABC (ChABC) to deplete PNNs following adolescent exposure (P48) and allowed for PNN restoration before social testing in adulthhod. AIE exposure increased PNN expression in the PrL of adult males, but decreased PNNs immediately following AIE. Vesicular glutamate transporter 2 (vGlut2) and vesicular GABA transporter (vGat) near PNNs were downregulated only in AIE-exposed females. Gene expression of PNN components was largely unaffected by AIE exposure. Removal and reestablishment of PrL PNNs by ChABC led to upregulation of PNNs and social impairments in males, regardless of adolescent exposure. These data suggest that AIE exposure in males upregulates PrL PNNs that likely contribute to social impairments induced by AIE.
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