Evidence map›Paper›PMID 26592453›Full record

ArticleHormones and behavior2016

Two-hit exposure to polychlorinated biphenyls at gestational and juvenile life stages: 1. Sexually dimorphic effects on social and anxiety-like behaviors.

Margaret R Bell, Lindsay M Thompson, Karla Rodriguez, Andrea C Gore

Abstract read
In one paragraph

Article in Hormones and behavior, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.

0numbers the graph read from it
0cells of the map it votes in
43citing 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

43 citing papers in PubMed.

  1. Review
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  16. Effects of endocrine-disrupting chemicals on hypothalamic oxytocin and vasopressin systems.Journal of experimental zoology. Part A, Ecological and integrative physiology · 2022
    Article
  17. Review
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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

4 authors.

Margaret R BellDivision of Pharmacology and Toxicology, College of Pharmacy, The University of Texas at Austin, Austin, TX 78712, USA.
Lindsay M ThompsonDivision of Pharmacology and Toxicology, College of Pharmacy, The University of Texas at Austin, Austin, TX 78712, USA.
Karla RodriguezDivision of Pharmacology and Toxicology, College of Pharmacy, The University of Texas at Austin, Austin, TX 78712, USA; Franklin College, Franklin, IN 46131, USA.
Andrea C GoreDivision of Pharmacology and Toxicology, College of Pharmacy, The University of Texas at Austin, Austin, TX 78712, USA; Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX 78712, USA; Institute for Neuroscience, The University of Texas at Austin, Austin, TX 78712, USA. Electronic address: andrea.gore@austin.utexas.edu.

Funding

Training in Molecular Toxicology/Environmental DiseaseT32ES007247 · NIEHS · UNIVERSITY OF TEXAS AUSTIN · PI RICHBURG, JOHN H · 1990 to 2014
$2.9M
Sexually dimorphic effects of endocrine disruptors on brain & behaviorR01ES020662 · NIEHS · UNIVERSITY OF TEXAS AT AUSTIN · PI CREWS, DAVID P, GORE, ANDREA C · 2011 to 2015
$1.8M
Prenatal and pubertal two hit PCB exposure on social behavior & neural correlatesF32ES023291 · NIEHS · UNIVERSITY OF TEXAS AT AUSTIN · PI BELL, MARGARET ROSE · 2014 to 2014
$53k
NIEHS NIH HHS F32 ES023291NIEHS NIH HHS F32-ES023291NIEHS NIH HHS R01 ES020662NIEHS NIH HHS R01-ES020662NIEHS NIH HHS T32 ES007247NIEHS NIH HHS T32-ES07247
6 · The paper itself

Abstract

Endocrine disrupting chemicals (EDCs) are widespread environmental contaminants that affect many neuroendocrine functions. The brain is particularly vulnerable to EDCs during critical periods of gestational development when gonadal hormones exert organizational effects on sexually dimorphic behaviors later in life. Peripubertal development is also a time of continued neural sensitivity to organizing effects of hormones, yet little is known about EDC actions at these times. We sought to determine effects of prenatal or juvenile exposures to a class of EDCs, polychlorinated biphenyls (PCBs) at human-relevant dosages on development, physiology, and social and anxiety-related behaviors later in life, and the consequences of a second juvenile "hit" following prenatal treatment. We exposed male and female Sprague-Dawley rats to PCBs (Aroclor 1221, 1mg/kg/day, ip injection) and/or vehicle during prenatal development (embryonic days 16, 18, 20), juvenile development (postnatal days 24, 26, 28), or both. These exposures had differential effects on behaviors in sex and age-dependent ways; while prenatal exposure had more effects than juvenile, juvenile exposure often modified or unmasked the effects of the first hit. Additionally, females exhibited altered social and anxiety behavior in adolescence, while males displayed small but significant changes in sociosexual preferences in adulthood. Thus, the brain continues to be sensitive to organizing effects of EDCs through juvenile development. As humans are exposed to EDCs throughout multiple periods in their life, these findings have implications for our understanding of EDC effects on physiology and behavior.

Indexed as

Social BehaviorAdolescentAge FactorsAnimalsAnxietyAroclorsBehavior, AnimalEndocrine DisruptorsEnvironmental PollutantsFemaleHumansMalePolychlorinated BiphenylsPregnancyPrenatal Exposure Delayed EffectsRatsaroclor 1221AroclorsEndocrine DisruptorsEnvironmental PollutantsPolychlorinated BiphenylsAdolescenceAnxietyAroclor 1221Endocrine-disrupting chemicalPCBSocial behaviorUltrasonic vocalization

Identifiers

PMID26592453
PMCPMC4718783

What OpenQuestion holds

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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.