Evidence map›Paper›PMID 22310921›Full record

ArticleBrain, behavior, and immunity2012

Maternal immune activation by LPS selectively alters specific gene expression profiles of interneuron migration and oxidative stress in the fetus without triggering a fetal immune response.

Devon B Oskvig, Abdel G Elkahloun, Kory R Johnson, Terry M Phillips, Miles Herkenham

Abstract read
In one paragraph

Article in Brain, behavior, and immunity, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 128 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
128citing papers in PubMed, 1 pooled it
6.4field-weighted citation impact, top 3% 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

128 citing papers in PubMed, 1 synthesis or guideline pooled it, 245 citations in OpenAlex.

  1. Pooled it
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  9. Prenatal Interferon-Alpha Exposure Induces Autism-Like Neurobehavioral and Neurochemical Alterations in Male Offspring.Journal of neuroimmune pharmacology : the official journal of the Society on NeuroImmune Pharmacology · 2026
    Article
  10. Neuroinflammation and autism: what have we learned so far?International journal of developmental disabilities · 2026
    Article
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68 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

5 authors at 4 institutions in 1 country.

Devon B OskvigSection on Functional Neuroanatomy, National Institute of Mental Health, NIH, Bethesda, MD 20892, USA.
Abdel G Elkahloun
Kory R Johnson
Terry M Phillips
Miles Herkenham
National Institute of Mental Health · USNational Institute of Biomedical Imaging and Bioengineering · USNational Institute of Neurological Disorders and Stroke · USOffice of Extramural Research · US

Funding

Studies Of Central Nervous System Functional AnatomyZIAMH001090 · NIMH · NATIONAL INSTITUTE OF MENTAL HEALTH · PI HERKENHAM, MILES A. · 2009 to 2022
$19.3M
NHGRI/DIR Microarray CoreZICHG200365 · NHGRI · NATIONAL HUMAN GENOME RESEARCH INSTITUTE · PI ELKAHLOUN, ABDEL · 2011 to 2025
$9.0M
Intramural NIH HHS ZIA MH001090Intramural NIH HHS ZIC HG200365
6 · The paper itself

Abstract

Maternal immune activation (MIA) is a risk factor for the development of schizophrenia and autism. Infections during pregnancy activate the mother's immune system and alter the fetal environment, with consequential effects on CNS function and behavior in the offspring, but the cellular and molecular links between infection-induced altered fetal development and risk for neuropsychiatric disorders are unknown. We investigated the immunological, molecular, and behavioral effects of MIA in the offspring of pregnant Sprague-Dawley rats given an intraperitoneal (0.25 mg/kg) injection of lipopolysaccharide (LPS) on gestational day 15. LPS significantly elevated pro-inflammatory cytokine levels in maternal serum, amniotic fluid, and fetal brain at 4 h, and levels decreased but remained elevated at 24 h. Offspring born to LPS-treated dams exhibited reduced social preference and exploration behaviors as juveniles and young adults. Whole genome microarray analysis of the fetal brain at 4 h post maternal LPS was performed to elucidate the possible molecular mechanisms by which MIA affects the fetal brain. We observed dysregulation of 3285 genes in restricted functional categories, with increased mRNA expression of cellular stress and cell death genes and reduced expression of developmentally-regulated and brain-specific genes, specifically those that regulate neuronal migration of GABAergic interneurons, including the Distal-less (Dlx) family of transcription factors required for tangential migration from progenitor pools within the ganglionic eminences into the cerebral cortex. Our results provide a novel mechanism by which MIA induces the widespread down-regulation of critical neurodevelopmental genes, including those previously associated with autism.

Indexed as

Amniotic FluidAnimalsAutistic DisorderBrainCell MovementCytokinesDown-RegulationExploratory BehaviorFemaleFetusGene Expression ProfilingInterneuronsLipopolysaccharidesOxidative StressPregnancyPregnancy Complications, InfectiousCytokinesLipopolysaccharidesRNA, MessengerTranscription Factors

Identifiers

PMID22310921
PMCPMC3285385
OpenAlexW2052297858

What Socratic 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 Socratic graph.