Evidence map›Paper›PMID 30120421›Full record

ArticleMolecular psychiatry2020

Protective effects of elevated anandamide on stress and fear-related behaviors: translational evidence from humans and mice.

Leah M Mayo, Anna Asratian, Johan Lindé, Lovisa Holm, Daniel Nätt, Gaëlle Augier, Niclas Stensson, Haley A Vecchiarelli, Georgia Balsevich, Robert J Aukema and 5 more

Registry-linked trialAbstract read
PubMed Publisher
In one paragraph

Article in Molecular psychiatry, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05142267 (Stress and Opioid Misuse Risk), which is not on this map. Cited by 93 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
93citing papers in PubMed, 1 pooled it
9.0field-weighted citation impact, top 2% 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.

NCT05142267 narecruitingnot on this mapstarted 2022, after this paper: background citation

Stress and Opioid Misuse Risk: The Role of Endogenous Opioid and Endocannabinoid Mechanisms

TypeinterventionalSponsorVanderbilt University Medical CenterRan2022 to 2026Enrolled120ConditionsOpioid Use Disorder, Back Pain, StressArmsPlacebo, Oxycodone, Naloxone
3 · Its place in the literature

Who cites it

93 citing papers in PubMed, 1 synthesis or guideline pooled it, 158 citations in OpenAlex.

  1. Pooled it
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  5. Circulating endocannabinoids in children and adolescents: associations with anxiety and the impact of selective serotonin reuptake inhibitors.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2025
    Trial
  6. Trial
  7. Endocannabinoid contributions to the perception of socially relevant, affective touch in humans.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2025
    Trial
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  11. Article
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  15. FAAH and MAGL inhibition: Evolving approaches to treating substance use disorders.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2026
    Review
  16. Review
  17. Article
  18. Research Review: What we have learned about the endocannabinoid system in developmental psychopathology.Journal of child psychology and psychiatry, and allied disciplines · 2025
    Review
  19. Article
  20. Article

33 more citing papers are in PubMed but not listed here.

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

15 authors at 4 institutions in 3 countries.

Leah M MayoCenter for Social and Affective Neuroscience, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.ORCID http://orcid.org/0000-0002-0645-4869
Anna AsratianCenter for Social and Affective Neuroscience, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.
Johan LindéCenter for Social and Affective Neuroscience, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.
Lovisa HolmCenter for Social and Affective Neuroscience, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.
Daniel NättCenter for Social and Affective Neuroscience, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.ORCID http://orcid.org/0000-0001-9182-9401
Gaëlle AugierCenter for Social and Affective Neuroscience, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden.
Niclas StenssonPain and Rehabilitation Centre, Department of Medical and Health Sciences, Linköping University, Linköping, Sweden.
Haley A VecchiarelliHotchkiss Brain Institute and Mathison Centre for Mental Health Research and Education, Departments of Cell Biology and Anatomy & Psychiatry, University of Calgary, Calgary, Canada.ORCID http://orcid.org/0000-0001-6331-6107
Georgia BalsevichHotchkiss Brain Institute and Mathison Centre for Mental Health Research and Education, Departments of Cell Biology and Anatomy & Psychiatry, University of Calgary, Calgary, Canada.
Robert J AukemaHotchkiss Brain Institute and Mathison Centre for Mental Health Research and Education, Departments of Cell Biology and Anatomy & Psychiatry, University of Calgary, Calgary, Canada.ORCID http://orcid.org/0000-0003-3490-3390
Bijar GhafouriPain and Rehabilitation Centre, Department of Medical and Health Sciences, Linköping University, Linköping, Sweden.
Primavera A SpagnoloNational Institute on Alcohol Abuse and Alcoholism and National Institute of Neurological Disorders and Stroke, NIH, Bethesda, MD, USA.
Francis S LeeInstitute for Developmental Psychobiology, Weill Cornell Medical College of Cornell University, New York, NY, USA.
Matthew N HillHotchkiss Brain Institute and Mathison Centre for Mental Health Research and Education, Departments of Cell Biology and Anatomy & Psychiatry, University of Calgary, Calgary, Canada.
Markus HeiligCenter for Social and Affective Neuroscience, Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden. markus.heilig@liu.se.
Linköping University · SEUniversity of Calgary · CACornell University · USNational Institute of Neurological Disorders and Stroke · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Post-traumatic stress disorder (PTSD) is a common, debilitating condition with limited treatment options. Extinction of fear memories through prolonged exposure therapy, the primary evidence-based behavioral treatment for PTSD, has only partial efficacy. In mice, pharmacological inhibition of fatty acid amide hydrolase (FAAH) produces elevated levels of anandamide (AEA) and promotes fear extinction, suggesting that FAAH inhibitors may aid fear extinction-based treatments. A human FAAH 385C->A substitution encodes an FAAH enzyme with reduced catabolic efficacy. Individuals homozygous for the FAAH 385A allele may therefore offer a genetic model to evaluate the impact of elevations in AEA signaling in humans, helping to inform whether FAAH inhibitors have the potential to facilitate fear extinction therapy for PTSD. To overcome the challenge posed by low frequency of the AA genotype (appr. 5%), we prospectively genotyped 423 individuals to examine the balanced groups of CC, AC, and AA individuals (n = 25/group). Consistent with its loss-of-function nature, the A allele was dose dependently associated with elevated basal AEA levels, facilitated fear extinction, and enhanced the extinction recall. Moreover, the A-allele homozygotes were protected against stress-induced decreases in AEA and negative emotional consequences of stress. In a humanized mouse model, AA homozygous mice were similarly protected against stress-induced decreases in AEA, both in the periphery, and also in the amygdala and prefrontal cortex, brain structures critically involved in fear extinction and regulation of stress responses. Collectively, these data suggest that AEA signaling can temper aspects of the stress response and that FAAH inhibition may aid the treatment for stress-related psychiatric disorders, such as PTSD.

Indexed as

FearAdolescentAdultAmidohydrolasesAnimalsArachidonic AcidsEndocannabinoidsExtinction, PsychologicalFatty Acid Amide HydrolasesFemaleHumansMaleMicePolyunsaturated AlkamidesProtective AgentsStress Disorders, Post-TraumaticAmidohydrolasesanandamideArachidonic AcidsEndocannabinoidsFatty Acid Amide HydrolasesPolyunsaturated AlkamidesProtective Agents

Identifiers

PMID30120421
OpenAlexW2887960602

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.