Evidence map›Paper›PMID 30718564›Full record

ArticleScientific reports2019

Brain serotonin deficiency affects female aggression.

Niklas Kästner, S Helene Richter, Sarah Urbanik, Joachim Kunert, Jonas Waider, Klaus-Peter Lesch, Sylvia Kaiser, Norbert Sachser

Abstract read
In one paragraph

Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
–field-weighted citation impact
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

22 citing papers in PubMed.

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  19. Review
  20. Neuroendocrine regulation of female aggression.Frontiers in endocrinology · 2022
    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

8 authors.

Niklas KästnerDepartment of Behavioural Biology, University of Münster, Münster, Germany. niklas.kaestner@uni-muenster.de.
S Helene RichterDepartment of Behavioural Biology, University of Münster, Münster, Germany.
Sarah UrbanikDepartment of Mathematical Statistics and Applications in Science, Technical University of Dortmund, Dortmund, Germany.
Joachim KunertDepartment of Mathematical Statistics and Applications in Science, Technical University of Dortmund, Dortmund, Germany.
Jonas WaiderDivision of Molecular Psychiatry, Center of Mental Health, University of Würzburg, Würzburg, Germany.
Klaus-Peter LeschDivision of Molecular Psychiatry, Center of Mental Health, University of Würzburg, Würzburg, Germany.ORCID 0000-0001-8348-153X
Sylvia KaiserDepartment of Behavioural Biology, University of Münster, Münster, Germany.
Norbert SachserDepartment of Behavioural Biology, University of Münster, Münster, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The neurotransmitter serotonin plays a key role in the control of aggressive behaviour. While so far most studies have investigated variation in serotonin levels, a recently created tryptophan hydroxylase 2 (Tph2) knockout mouse model allows studying effects of complete brain serotonin deficiency. First studies revealed increased aggressiveness in homozygous Tph2 knockout mice in the context of a resident-intruder paradigm. Focussing on females, this study aimed to elucidate effects of serotonin deficiency on aggressive and non-aggressive social behaviours not in a test situation but a natural setting. For this purpose, female Tph2 wildtype (n = 40) and homozygous knockout mice (n = 40) were housed with a same-sex conspecific of either the same or the other genotype in large terraria. The main findings were: knockout females displayed untypically high levels of aggressive behaviour even after several days of co-housing. Notably, in response to aggressive knockout partners, they showed increased levels of defensive behaviours. While most studies on aggression in rodents have focussed on males, this study suggests a significant involvement of serotonin also in the control of female aggression. Future research will show, whether the observed behavioural effects are directly caused by the lack of serotonin or by potential compensatory mechanisms.

Indexed as

AggressionAnimalsBrainFemaleGenotypeMice, KnockoutSerotoninSocial BehaviorTryptophan HydroxylaseSerotoninTryptophan Hydroxylase

Identifiers

PMID30718564
PMCPMC6361930

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Registered trials

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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.