Evidence map›Paper›PMID 31437534›Full record

ArticleBrain, behavior, and immunity2019

Increased IL-6 expression in astrocytes is associated with emotionality, alterations in central amygdala GABAergic transmission, and excitability during alcohol withdrawal.

Amanda J Roberts, Sophia Khom, Michal Bajo, Roman Vlkolinsky, Ilham Polis, Chelsea Cates-Gatto, Marisa Roberto, Donna L Gruol

Open access · greenAbstract read
In one paragraph

Article in Brain, behavior, and immunity, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed
2.4field-weighted citation impact, top 11% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

48 citing papers in PubMed, 59 citations in OpenAlex.

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  7. Astrocyte Reactivity by Alcohol Dependence in the Central Amygdala.bioRxiv : the preprint server for biology · 2026
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 1 institution in 1 country.

Amanda J RobertsAnimal Models Core Facility, The Scripps Research Institute, La Jolla, CA 92037, USA.
Sophia KhomNeuroscience Department, The Scripps Research Institute, La Jolla, CA 92037, USA.
Michal BajoNeuroscience Department, The Scripps Research Institute, La Jolla, CA 92037, USA.
Roman VlkolinskyNeuroscience Department, The Scripps Research Institute, La Jolla, CA 92037, USA.
Ilham PolisAnimal Models Core Facility, The Scripps Research Institute, La Jolla, CA 92037, USA.
Chelsea Cates-GattoAnimal Models Core Facility, The Scripps Research Institute, La Jolla, CA 92037, USA.
Marisa RobertoNeuroscience Department, The Scripps Research Institute, La Jolla, CA 92037, USA.
Donna L GruolNeuroscience Department, The Scripps Research Institute, La Jolla, CA 92037, USA. Electronic address: gruol@scripps.edu.
Scripps Research Institute · US

Funding

Viral Vector CoreP60AA006420 · NIAAA · SCRIPPS RESEARCH INSTITUTE, THE · PI MARISA ROBERTO · 2003 to 2026
$46.3M
Electrophysiology of alcohol in extended amygdelaU01AA013498 · NIAAA · SCRIPPS RESEARCH INSTITUTE, THE · PI MARISA ROBERTO · 2001 to 2026
$12.6M
IL-6 involvement in alcohol-withdrawal excitabilityR01AA024484 · NIAAA · SCRIPPS RESEARCH INSTITUTE, THE · PI GRUOL, DONNA L · 2016 to 2020
$2.1M
Mouse Target Assessment CoreU01AA020893 · NIAAA · SCRIPPS RESEARCH INSTITUTE, THE · PI ROBERTS, AMANDA J · 2011 to 2015
$1.5M
NIAAA NIH HHS P60 AA006420NIAAA NIH HHS R01 AA024484NIAAA NIH HHS U01 AA013498NIAAA NIH HHS U01 AA020893
6 · The paper itself

Abstract

Accumulating evidence from preclinical and clinical studies has implicated a role for the cytokine IL-6 in a variety of CNS diseases including anxiety-like and depressive-like behaviors, as well as alcohol use disorder. Here we use homozygous and heterozygous transgenic mice expressing elevated levels of IL-6 in the CNS due to increased astrocyte expression and non-transgenic littermates to examine a role for astrocyte-produced IL-6 in emotionality (response to novelty, anxiety-like, and depressive-like behaviors). Our results from homozygous IL-6 mice in a variety of behavioral tests (light/dark transfer, open field, digging, tail suspension, and forced swim tests) support a role for IL-6 in stress-coping behaviors. Ex vivo electrophysiological studies of neuronal excitability and inhibitory GABAergic synaptic transmission in the central nucleus of the amygdala (CeA) of the homozygous transgenic mice revealed increased inhibitory GABAergic signaling and increased excitability of CeA neurons, suggesting a role for astrocyte produced IL-6 in the amygdala in exploratory drive and depressive-like behavior. Furthermore, studies in the hippocampus of activation/expression of proteins associated with IL-6 signal transduction and inhibitory GABAergic mechanisms support a role for astrocyte produced IL-6 in depressive-like behaviors. Our studies indicate a complex and dose-dependent relationship between IL-6 and behavior and implicate IL-6 induced neuroadaptive changes in neuronal excitability and the inhibitory GABAergic system as important contributors to altered behavior associated with IL-6 expression in the CNS.

Indexed as

AlcoholismAmygdalaAnimalsAnxietyAnxiety DisordersAstrocytesCentral Amygdaloid NucleusDepressionDepressive DisorderFemaleGABAergic NeuronsInterleukin-6MaleMiceMice, Inbred C57BLMice, KnockoutIL6 protein, humanInterleukin-6

Identifiers

PMID31437534
PMCPMC6800653
OpenAlexW2969358179

What OpenQuestion holds

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Read underepoch 390

Registered trials

None linked

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.