Nearly half of the U.S. population will meet criteria for a psychiatric disorder during their lives, and 1 in 17 has a seriously debilitating illness. Increasingly, these psychopathologies are conceptualized as the late-stage cul- mination of aberrant developmental processes shaped by a complex interplay of genes and experience, includ- ing those occurring in utero. Decades of studies with pregnant animals demonstrate that stress-elicited pertur- bations in maternal biology affect offspring development, leading to a profile characterized by heightened be- havioral and physiologic stress responsivity. Studies of distress in pregnant women, which range from exami- nations of life stress to psychiatric disorder, largely mirror these findings. Despite ample evidence linking ante- natal maternal functioning to offspring outcomes, the mechanistic pathways for this in utero influence on chil- dren's neurodevelopment remain unknown, particularly with human subjects. The burgeoning field of epigenet- ics - the detection of the molecular effects of environmental experience - has only minimally been applied to pregnant women, yet may provide a vital link in understanding the mechanisms involved in the fetal origins of psychiatric disease risk. The goal of this project is to use recent advances in studying epigenetic gene regulation to identify the biological mechanisms mediating the impact of maternal distress on perinatal development.
Aim 1 : Determine the influence of pregnant women's distress on epigenetic gene regula- tion relevant to perinatal development. Specifically, to establish whether (a) prenatal distress (daily life stress assessed 3x in pregnancy using 24-hour Ecological Momentary Assessment (EMA) via a Personal Digi- tal Assistant (PDA)) and mood symptoms elicited by clinician interviews) predict women's stress hormone lev- els (cortisol (from 3x, 12 salivary samples in 48-hours) and CRH (3x blood draws) and gene expression in her PBL (3x blood draws); (b) the timing and degree of women's altered stress hormone levels and PBL gene ex- pression predict placental gene expression; (c) these mood-dependent biological alterations are associated with the epigenetic mechanism of DNA methylation.
Aim 2 : Determine perinatal consequences of pregnant women's distress. Specifically whether, (a) women's distress-associated altered HPA-axis hormone levels, PBL and placental gene expression/epigenetic variation, predict fetal cord blood gene expression/epigenetic variation, as well as a neurobehavioral profile characterized by heightened reactivity to novelty (fetal and new- born autonomic and central nervous system regulation in response to stimuli).
Aim 3 : Establish causal influ- ence of epigenetic modification on offspring neurodevelopment. Specifically, using a rodent model in which brain effects of chronic maternal prenatal stress exposure can be directly assessed, we aim to determine (a) the influence of maternal condition on DNA methylation and gene expression in maternal PBLs, placenta, and in the fetal/infant brain and, (b), the relationship between epigenetic variations in these tissues and the de- velopment of the postnatal ANS and CNS as indexed by behavioral and stress-hormone responsivity.

Public Health Relevance

The proposed research is relevant to public health because mechanistic studies of the impact of pregnant women's distress on perinatal neurobehavioral development will greatly increase understanding of the contri- bution of prenatal experience to long-term risk for psychopathology, as well as risk prediction. Thus, the pro- posed research is relevant to NIH's mission that pertains to the development of fundamental knowledge that will reduce the burdens of human illness.

Agency
National Institute of Health (NIH)
Institute
National Institute of Mental Health (NIMH)
Type
Research Project (R01)
Project #
5R01MH092580-05
Application #
8828781
Study Section
Child Psychopathology and Developmental Disabilities Study Section (CPDD)
Program Officer
Zehr, Julia L
Project Start
2011-06-01
Project End
2016-03-31
Budget Start
2015-04-01
Budget End
2016-03-31
Support Year
5
Fiscal Year
2015
Total Cost
$649,341
Indirect Cost
$243,503
Name
Columbia University (N.Y.)
Department
Psychiatry
Type
Schools of Medicine
DUNS #
621889815
City
New York
State
NY
Country
United States
Zip Code
10032
Conradt, Elisabeth; Adkins, Daniel E; Crowell, Sheila E et al. (2018) An epigenetic pathway approach to investigating associations between prenatal exposure to maternal mood disorder and newborn neurobehavior. Dev Psychopathol 30:881-890
Gustafsson, Hanna; Doyle, Colleen; Gilchrist, Michelle et al. (2017) Maternal abuse history and reduced fetal heart rate variability: Abuse-related sleep disturbance is a mediator. Dev Psychopathol 29:1023-1034
Do, Catherine; Shearer, Alyssa; Suzuki, Masako et al. (2017) Genetic-epigenetic interactions in cis: a major focus in the post-GWAS era. Genome Biol 18:120
O'Connor, Thomas G; Monk, Catherine; Burke, Anne S (2016) Maternal Affective Illness in the Perinatal Period and Child Development: Findings on Developmental Timing, Mechanisms, and Intervention. Curr Psychiatry Rep 18:24
Champagne, Frances A (2016) Epigenetic legacy of parental experiences: Dynamic and interactive pathways to inheritance. Dev Psychopathol 28:1219-1228
Gustafsson, Hanna C; Kuzava, Sierra E; Werner, Elizabeth A et al. (2016) Maternal dietary fat intake during pregnancy is associated with infant temperament. Dev Psychobiol 58:528-35
Walsh, Kate; Basu, Archana; Werner, Elizabeth et al. (2016) Associations Among Child Abuse, Depression, and Interleukin-6 in Pregnant Adolescents: Paradoxical Findings. Psychosom Med 78:920-930
Monk, Catherine; Feng, Tianshu; Lee, Seonjoo et al. (2016) Distress During Pregnancy: Epigenetic Regulation of Placenta Glucocorticoid-Related Genes and Fetal Neurobehavior. Am J Psychiatry 173:705-13
Do, Catherine; Lang, Charles F; Lin, John et al. (2016) Mechanisms and Disease Associations of Haplotype-Dependent Allele-Specific DNA Methylation. Am J Hum Genet 98:934-955
Braithwaite, E C; Kundakovic, M; Ramchandani, P G et al. (2015) Maternal prenatal depressive symptoms predict infant NR3C1 1F and BDNF IV DNA methylation. Epigenetics 10:408-17

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