Maternal Adverse Childhood Experiences and Biological Aging During Pregnancy and in Newborns

Author:

Dye Christian K.1,Alschuler Daniel M.2,Wu Haotian1,Duarte Cristiane3,Monk Catherine234,Belsky Daniel W.5,Lee Seonjoo26,O’Donnell Kieran7,Baccarelli Andrea A.1,Scorza Pamela4

Affiliation:

1. Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, New York

2. Department of Psychiatry, Columbia University, New York, New York

3. Division of Behavioral Medicine, New York State Psychiatric Institute, New York

4. Department of Obstetrics and Gynecology, Columbia University, New York, New York

5. Department of Epidemiology, Butler Columbia Aging Center, Columbia University Mailman School of Public Health, New York, New York

6. Department of Biostatistics, Columbia University Mailman School of Public Health, New York, New York

7. Yale Child Study Center, Yale School of Medicine, New Haven, Connecticut

Abstract

ImportanceAdverse childhood experiences (ACEs), potentially traumatic experiences occurring before the age of 18 years, are associated with epigenetic aging later in life and may be transmitted across generations.ObjectiveTo test evidence of the transmission of biological embedding of life experience across generations by analyzing maternal ACEs and epigenetic clocks measured in mothers during pregnancy and in their children at birth.Design, Setting, and ParticipantsFor this cross-sectional study, data from the Accessible Resource for Integrated Epigenomic Studies (ARIES) substudy of the Avon Longitudinal Study of Parents and Children (ALSPAC) were analyzed. The ALSPAC study recruited 14 541 women who gave birth in the Avon Health District in the UK between April 1, 1991, and December 31, 1992. The ARIES substudy comprised 1018 mother-offspring dyads based on the availability of DNA samples profiled in 2014. Epigenetic age was estimated using DNA methylation-based epigenetic clocks (including Horvath, Hannum, GrimAge, PhenoAge, and DunedinPACE) in mothers during pregnancy and the Knight and Bohlin cord blood epigenetic clocks in newborns. Analyses were performed between October 1, 2022, and November 30, 2023.ExposuresA composite measure of maternal ACEs was the primary exposure in both maternal and offspring models; as a secondary analysis, individual ACEs were measured separately. The Edinburgh Postnatal Depression Scale (EPDS) was used to investigate depression during pregnancy as an exposure.Main Outcomes and MeasuresChanges in epigenetic age acceleration (EAA) were investigated as the primary outcome in maternal models during pregnancy. Changes in epigenetic gestational age acceleration (GAA) were the primary outcome in offspring analyses. Linear regression analyses were used to determine the association between maternal ACEs and both outcomes.ResultsThis study included 883 mother-child dyads. The mean (SD) maternal age at delivery was 29.8 (4.3) years. Pregnant women with higher ACE scores exhibited higher GrimAge EAA (β, 0.22 [95% CI, 0.12 to 0.33] years; P < .001). Maternal ACEs were not associated with GAA in newborns using P < .05 as a cutoff to determine statistical significance. Depression was associated with higher GrimAge EAA (β, 0.06 [95% CI, 0.02 to 0.10] years; P = .01) in mothers during pregnancy, but not in newborns, and did not mediate the association between ACEs and EAA.Conclusions and RelevanceThe findings of this study suggest that maternal ACEs may be associated with epigenetic aging later in life, including during pregnancy, supporting a role for maternal ACEs in offspring development and health later in life.

Publisher

American Medical Association (AMA)

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