Evidence map›Paper›PMID 25238154›Full record

ArticlePloS one2014

DNA methylation signatures triggered by prenatal maternal stress exposure to a natural disaster: Project Ice Storm.

Lei Cao-Lei, Renaud Massart, Matthew J Suderman, Ziv Machnes, Guillaume Elgbeili, David P Laplante, Moshe Szyf, Suzanne King

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 138 papers, 7 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
138citing papers in PubMed, 7 pooled it
48.1field-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

138 citing papers in PubMed, 7 syntheses or guidelines pooled it, 321 citations in OpenAlex.

  1. Risks to the Unborn: An Umbrella Review on the Effects of Prenatal Maternal Stress Caused by Natural Disasters.Stress and health : journal of the International Society for the Investigation of Stress · 2025
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  8. The association between perinatal depressive symptoms and child neurodevelopment.American journal of obstetrics & gynecology MFM · 2024
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  12. Practitioner Review: Infant mental health meets cell and molecular biology - a look to the future.Journal of child psychology and psychiatry, and allied disciplines · 2026
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  19. Epigenetics, Resilience, Protective Factors and Factors Promoting Positive Outcomes: A Scoping Review.International journal of developmental neuroscience : the official journal of the International Society for Developmental Neuroscience · 2025
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78 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

8 authors at 2 institutions in 1 country.

Lei Cao-LeiDepartment of Psychiatry, McGill University and Psychosocial Research Division, Douglas Hospital Research Centre, Montreal, Quebec, Canada.
Renaud MassartDepartment of Pharmacology and Therapeutics, McGill University, Montreal, Quebec, Canada.
Matthew J SudermanDepartment of Pharmacology and Therapeutics, Sackler Program for Epigenetics and Developmental Psychobiology and McGill Centre for Bioinformatics, McGill University, Montreal, Quebec, Canada.
Ziv MachnesDepartment of Pharmacology and Therapeutics, McGill University, Montreal, Quebec, Canada.
Guillaume ElgbeiliPsychosocial Research Division, Douglas Hospital Research Centre, Montreal, Quebec, Canada.
David P LaplantePsychosocial Research Division, Douglas Hospital Research Centre, Montreal, Quebec, Canada.
Moshe SzyfDepartment of Pharmacology and Therapeutics and Sackler Program for Epigenetics and Developmental Psychobiology, McGill University, Montreal, Quebec, Canada.
Suzanne KingDepartment of Psychiatry, McGill University and Psychosocial Research Division, Douglas Hospital Research Centre, Montreal, Quebec, Canada.
McGill University · CADouglas College · CA

Funding

Canadian Institutes of Health Research MOP-1150067
6 · The paper itself

Abstract

backgroundPrenatal maternal stress (PNMS) predicts a wide variety of behavioral and physical outcomes in the offspring. Although epigenetic processes may be responsible for PNMS effects, human research is hampered by the lack of experimental methods that parallel controlled animal studies. Disasters, however, provide natural experiments that can provide models of prenatal stress.

methodsFive months after the 1998 Quebec ice storm we recruited women who had been pregnant during the disaster and assessed their degrees of objective hardship and subjective distress. Thirteen years later, we investigated DNA methylation profiling in T cells obtained from 36 of the children, and compared selected results with those from saliva samples obtained from the same children at age 8.

resultsPrenatal maternal objective hardship was correlated with DNA methylation levels in 1675 CGs affiliated with 957 genes predominantly related to immune function; maternal subjective distress was uncorrelated. DNA methylation changes in SCG5 and LTA, both highly correlated with maternal objective stress, were comparable in T cells, peripheral blood mononuclear cells (PBMCs) and saliva cells.

conclusionsThese data provide first evidence in humans supporting the conclusion that PNMS results in a lasting, broad, and functionally organized DNA methylation signature in several tissues in offspring. By using a natural disaster model, we can infer that the epigenetic effects found in Project Ice Storm are due to objective levels of hardship experienced by the pregnant woman rather than to her level of sustained distress.

Indexed as

DisastersDNA MethylationMaternal ExposurePrenatal Exposure Delayed EffectsStress, PsychologicalChildEpigenesis, GeneticFemaleHumansMalePregnancy

Identifiers

PMID25238154
PMCPMC4169571
OpenAlexW2039055473

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.