Evidence map›Paper›PMID 21420406›Full record

ArticleGastroenterology2011

The HTR3A polymorphism c. -42C>T is associated with amygdala responsiveness in patients with irritable bowel syndrome.

Lisa A Kilpatrick, Jennifer S Labus, Kristen Coveleskie, Christian Hammer, Gudrun Rappold, Kirsten Tillisch, Joshua A Bueller, Brandall Suyenobu, Johana M Jarcho, Jim A McRoberts and 2 more

Open access · bronzeAbstract read
In one paragraph

Article in Gastroenterology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
49citing papers in PubMed, 2 pooled it
5.0field-weighted citation impact, top 5% 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

49 citing papers in PubMed, 2 syntheses or guidelines pooled it, 81 citations in OpenAlex.

  1. The serotonin receptor 3E variant is a risk factor for female IBS-D.Journal of molecular medicine (Berlin, Germany) · 2022
    Pooled it
  2. Guideline
  3. Trial
  4. Article
  5. Review
  6. Article
  7. Review
  8. Article
  9. Genetics of irritable bowel syndrome: shifting gear via biobank-scale studies.Nature reviews. Gastroenterology & hepatology · 2022
    Review
  10. Article
  11. Article
  12. Review
  13. Article
  14. Tapping into 5-HTInternational journal of molecular sciences · 2021
    Review
  15. Article
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  17. Article
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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

12 authors at 2 institutions in 2 countries.

Lisa A KilpatrickCenter for Neurobiology of Stress, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California 90095, USA. lisa@lisakilpatrick.com
Jennifer S Labus
Kristen Coveleskie
Christian Hammer
Gudrun Rappold
Kirsten Tillisch
Joshua A Bueller
Brandall Suyenobu
Johana M Jarcho
Jim A McRoberts
Beate Niesler
Emeran A Mayer
University of California, Los Angeles · USHeidelberg University · DE

Funding

Women's Health and Functional Visceral Disorders CenterP50DK064539 · NIDDK · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI MAYER, EMERAN A · 2002 to 2017
$17.5M
PERCEPTION AND MODULATION OF VISCERAL SENSATIONSR01DK048351 · NIDDK · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI MAYER, EMERAN A · 1996 to 2019
$8.2M
Mind/Brain/Body Interactions in Stress-Related DisordersR24AT002681 · NCCIH · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI MAYER, EMERAN A · 2004 to 2008
$4.6M
NCCIH NIH HHS AT 002681NCCIH NIH HHS R24 AT002681NIDDK NIH HHS DK 48351NIDDK NIH HHS DK 64539NIDDK NIH HHS P50 DK064539NIDDK NIH HHS R01 DK048351
6 · The paper itself

Abstract

BACKGROUND &

aims5-Hydroxytryptamine (5-HT)3 receptor (5-HT3R) antagonists are effective in treating patients with irritable bowel syndrome (IBS) and have anxiolytic effects. Their therapeutic effects are related, in part, to reducing amygdala engagement during expected visceral pain. A single nucleotide polymorphism in HTR3A, c.-42C>T;(C178T; rs1062613), is associated with altered reactivity of the amygdala during emotional face processing in healthy subjects (controls). We evaluated the influence of this single nucleotide polymorphism on amygdala reactivity to emotional faces and nonemotional stimuli in female patients with IBS and controls.

methodsWe measured brain responses during an affect-matching paradigm in 54 women (26 with IBS, 29 controls) using functional magnetic resonance imaging. We examined associations between HTR3A c.-42C>T genotype (C/C vs T carrier) and responses in amygdala and other regions of brain that expressed high levels of 5-HT3R.

resultsThe C/C genotype was associated with greater anxiety symptoms in patients with IBS and controls and increased activation of the amygdala under emotional and nonemotional conditions. Among patients with IBS, C/C genotype was associated with greater symptom ratings. A subset of IBS patients with the C/C genotype had increased amygdala responses to nonemotional stimuli, compared with other subjects with C/C genotype.

conclusionsRegardless of diagnosis, the C/C genotype of the c.-42C>T polymorphism in HTR3A, compared with T carrier status, is associated with increased anxiety and amygdala responsiveness during emotional and nonemotional tasks. This polymorphism was associated with severity of IBS symptoms. Although this genotype is not sufficient for diagnosis of IBS, it is associated with severity of symptoms.

Indexed as

EmotionsFacial ExpressionPolymorphism, Single NucleotideAdultAmygdalaAnxietyBrain MappingCase-Control StudiesFemaleGenetic Predisposition to DiseaseHumansIrritable Bowel SyndromeLos AngelesMagnetic Resonance ImagingNeuropsychological TestsPhenotypeHTR3A protein, humanReceptors, Serotonin, 5-HT3

Identifiers

PMID21420406
PMCPMC3757951
OpenAlexW1991134750

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.