Evidence map›Paper›PMID 21512572›Full record

ArticleNature2011

A transient placental source of serotonin for the fetal forebrain.

Alexandre Bonnin, Nick Goeden, Kevin Chen, Melissa L Wilson, Jennifer King, Jean C Shih, Randy D Blakely, Evan S Deneris, Pat Levitt

Open access · bronzeAbstract read
In one paragraph

Article in Nature, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 314 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
314citing papers in PubMed, 2 pooled it
50.2field-weighted citation impact, top 1% 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

314 citing papers in PubMed, 2 syntheses or guidelines pooled it, 583 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
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  12. Article
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  14. Review
  15. Dynamics of the Mammalian Placental Metabolome in Placentogenesis and Embryonic Development.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026
    Article
  16. Article
  17. Article
  18. Modeling cerebral palsy in animals.Developmental medicine and child neurology · 2026
    Review
  19. Special Issue "Serotonin in Health and Diseases".International journal of molecular sciences · 2026
    Article
  20. Review

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

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors at 4 institutions in 1 country.

Alexandre BonninZilkha Neurogenetic Institute, Keck School of Medicine of USC, Los Angeles, California 90089, USA. bonnin@usc.edu
Nick Goeden
Kevin Chen
Melissa L Wilson
Jennifer King
Jean C Shih
Randy D Blakely
Evan S Deneris
Pat Levitt
Keck Hospital of USC · USLAC+USC Medical Center · USUniversity School · USVanderbilt University Medical Center · US

Funding

Project 6 Interactions of Serotonin and Circadian Signaling NetworksP50MH078028 · NIMH · VANDERBILT UNIVERSITY · PI SNODDY, JAY R · 2007 to 2011
$9.8M
TWO TYPES OF MONOAMINE OXIDASER01MH039085 · NIMH · UNIVERSITY OF SOUTHERN CALIFORNIA · PI SHIH, JEAN CHEN · 1985 to 2013
$2.0M
An ex-vivo placental perfusion system to study materno-fetal biologyR21HD065287 · NICHD · UNIVERSITY OF SOUTHERN CALIFORNIA · PI BONNIN, ALEXANDRE · 2009 to 2010
$487k
NICHD NIH HHS 5R21HD065287NICHD NIH HHS R21 HD065287NIMH NIH HHS 1P50MH078280A1NIMH NIH HHS P50 MH078028NIMH NIH HHS R01 MH039085NIMH NIH HHS R01MH39085
6 · The paper itself

Abstract

Serotonin (5-hydroxytryptamine or 5-HT) is thought to regulate neurodevelopmental processes through maternal-fetal interactions that have long-term mental health implications. It is thought that beyond fetal 5-HT neurons there are significant maternal contributions to fetal 5-HT during pregnancy but this has not been tested empirically. To examine putative central and peripheral sources of embryonic brain 5-HT, we used Pet1(-/-) (also called Fev) mice in which most dorsal raphe neurons lack 5-HT. We detected previously unknown differences in accumulation of 5-HT between the forebrain and hindbrain during early and late fetal stages, through an exogenous source of 5-HT which is not of maternal origin. Using additional genetic strategies, a new technology for studying placental biology ex vivo and direct manipulation of placental neosynthesis, we investigated the nature of this exogenous source. We uncovered a placental 5-HT synthetic pathway from a maternal tryptophan precursor in both mice and humans. This study reveals a new, direct role for placental metabolic pathways in modulating fetal brain development and indicates that maternal-placental-fetal interactions could underlie the pronounced impact of 5-HT on long-lasting mental health outcomes.

Indexed as

AnimalsEmbryo, MammalianFemaleFetusHumansIn Vitro TechniquesMaternal-Fetal ExchangeMicePlacentaPregnancyPrenatal Exposure Delayed EffectsProsencephalonRaphe NucleiRhombencephalonSerotoninTime FactorsFev protein, mouseSerotoninTranscription Factors

Identifiers

PMID21512572
PMCPMC3084180
OpenAlexW2055466946

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.