Evidence map›Paper›PMID 33331103›Full record

ArticleAddiction biology2021

Alcohol dependence activates ventral tegmental area projections to central amygdala in male mice and rats.

Elizabeth M Avegno, Chelsea R Kasten, William B Snyder, Leslie K Kelley, Thomas D Lobell, Taylor J Templeton, Michael Constans, Tiffany A Wills, Jason W Middleton, Nicholas W Gilpin

Open access · greenAbstract read
In one paragraph

Article in Addiction biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
1.0field-weighted citation impact, top 27% 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

15 citing papers in PubMed, 19 citations in OpenAlex.

  1. Article
  2. Article
  3. Characteristics of the amygdala and its subregions in premenstrual syndrome/premenstrual dysphoric disorder patients.Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences · 2025
    Review
  4. Article
  5. Neural Circuitries and Alcohol Use Disorder: Cutting Corners in the Cycle.Current topics in behavioral neurosciences · 2025
    Review
  6. Chronic alcohol withdrawal-associated increases in VTAAdvances in drug and alcohol research · 2025
    Article
  7. The Formation and Function of the VTA Dopamine System.International journal of molecular sciences · 2024
    Review
  8. Article
  9. Article
  10. Review
  11. Article
  12. Article
  13. Review
  14. Review
  15. Review
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

10 authors at 2 institutions in 1 country.

Elizabeth M AvegnoDepartments of Physiology, Louisiana State University Health Science Center, New Orleans, Louisiana, USA.ORCID 0000-0003-0833-1392
Chelsea R KastenAlcohol and Drug Center of Excellence, School of Medicine, Louisiana State University Health Sciences Center, New Orleans, Louisiana, USA.
William B SnyderDepartments of Physiology, Louisiana State University Health Science Center, New Orleans, Louisiana, USA.
Leslie K KelleyDepartments of Physiology, Louisiana State University Health Science Center, New Orleans, Louisiana, USA.
Thomas D LobellDepartments of Physiology, Louisiana State University Health Science Center, New Orleans, Louisiana, USA.
Taylor J TempletonDepartments of Physiology, Louisiana State University Health Science Center, New Orleans, Louisiana, USA.
Michael ConstansDepartments of Physiology, Louisiana State University Health Science Center, New Orleans, Louisiana, USA.
Tiffany A WillsAlcohol and Drug Center of Excellence, School of Medicine, Louisiana State University Health Sciences Center, New Orleans, Louisiana, USA.
Jason W MiddletonAlcohol and Drug Center of Excellence, School of Medicine, Louisiana State University Health Sciences Center, New Orleans, Louisiana, USA.
Nicholas W GilpinDepartments of Physiology, Louisiana State University Health Science Center, New Orleans, Louisiana, USA.
Louisiana State University Health Sciences Center New Orleans · USSoutheast Louisiana Veterans Health Care System · US

Funding

BIOMEDICAL ALCOHOL RESEARCH TRAINING PROGRAMT32AA007577 · NIAAA · LSU HEALTH SCIENCES CENTER · PI PATRICIA E. MOLINA · 1999 to 2026
$9.6M
Role of Neuropeptides in Stress-Induced Escalation of Alcohol DrinkingR01AA023305 · NIAAA · LSU HEALTH SCIENCES CENTER · PI GILPIN, NICHOLAS WARREN · 2014 to 2024
$3.7M
Traumatic stress increases alcohol drinking via endocannabinoid disinhibition of basolateral amygdalaR01AA026531 · NIAAA · LSU HEALTH SCIENCES CENTER · PI GILPIN, NICHOLAS WARREN, TASKER, JEFFREY G · 2017 to 2021
$1.9M
Alcohol Regulation of Synaptic and Extrasynaptic GluN2B-NMDA Receptors in BNSTR00AA022651 · NIAAA · LSU HEALTH SCIENCES CENTER · PI WILLS, TIFFANY A · 2016 to 2018
$731k
Alcohol Regulation of Synaptic and Extrasynaptic GluN2B-NMDA Receptors in BNSTK99AA022651 · NIAAA · VANDERBILT UNIVERSITY · PI WILLS, TIFFANY A · 2014 to 2015
$235k
Brain Reward and Stress System Interactions in Alcohol DependenceF32AA025831 · NIAAA · LSU HEALTH SCIENCES CENTER · PI AVEGNO, ELIZABETH MINOR · 2017 to 2020
$210k
Targeting Melanocortin-4 Receptors to Reduce Pain in U.S. VeteransI01BX003451 · VA · SOUTHEAST LOUISIANA VETERANS HEALTH CARE · PI GILPIN, NICHOLAS WARREN · 2017 to 2025
–
BLRD VA I01 BX003451NIAAA NIH HHS F32 AA025831NIAAA NIH HHS K99 AA022651NIAAA NIH HHS R00 AA022651NIAAA NIH HHS R01 AA023305NIAAA NIH HHS R01 AA026531NIAAA NIH HHS T32 AA007577
6 · The paper itself

Abstract

The neural adaptations that occur during the transition to alcohol dependence are not entirely understood but may include a gradual recruitment of brain stress circuitry by mesolimbic reward circuitry that is activated during early stages of alcohol use. Here, we focused on dopaminergic and nondopaminergic projections from the ventral tegmental area (VTA), important for mediating acute alcohol reinforcement, to the central nucleus of the amygdala (CeA), important for alcohol dependence-related negative affect and escalated alcohol drinking. The VTA projects directly to the CeA, but the functional relevance of this circuit is not fully established. Therefore, we combined retrograde and anterograde tracing, anatomical, and electrophysiological experiments in mice and rats to demonstrate that the CeA receives input from both dopaminergic and nondopaminergic projection neurons primarily from the lateral VTA. We then used slice electrophysiology and fos immunohistochemistry to test the effects of alcohol dependence on activity and activation profiles of CeA-projecting neurons in the VTA. Our data indicate that alcohol dependence activates midbrain projections to the central amygdala, suggesting that VTA projections may trigger plasticity in the CeA during the transition to alcohol dependence and that this circuit may be involved in mediating behavioral dysregulation associated with alcohol dependence.

Indexed as

AlcoholismAnimalsCentral Amygdaloid NucleusDopaminergic NeuronsMaleMiceNeural PathwaysRatsRewardVentral Tegmental Areaalcoholcentral amygdaladependenceelectrophysiologymouseoptogeneticsratventral tegmental area

Identifiers

PMID33331103
PMCPMC8206248
OpenAlexW3118140448

What OpenQuestion holds

Textmetadata
LicenceTDM
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.