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The Forced Swim Test as a Model of Depressive-like Behavior
Published on: March 2, 2015
Epigenetic basis for the development of depression in children
Barry M Lester1, Elisabeth Conradt, Carmen J Marsit
1Center for the Study of Children at Risk, Warren Alpert Medical School of Brown University and Women and Infants Hospital of Rhode Island, Providence, Rhode Island, USA. barry_lester@brown.edu
Insights
Epigenetics offers insights into mental health. Maternal depression during pregnancy may program children for depression through early life stress and epigenetic pathways.
Area of Science:
- Neuroscience
- Developmental Psychology
- Epigenetics
Background:
- Maternal depression during pregnancy is a significant public health concern.
- It increases a child's risk of developing depression by fourfold.
- Early life experiences can profoundly impact mental health trajectories.
Purpose of the Study:
- To explore the role of epigenetics in shaping mood disorders, specifically depression.
- To elucidate the molecular mechanisms linking early life stress to childhood depression.
- To discuss implications for developing preventive mental health interventions.
Main Methods:
- Review of current literature on epigenetics and mental health.
- Analysis of proposed epigenetic processes and pathways.
- Examination of the impact of early life stress and maternal depression.
Main Results:
- Epigenetic mechanisms, influenced by early life stress, can contribute to the development of depression.
- Maternal depression during pregnancy is a key factor in this developmental pathway.
- Specific epigenetic programming may increase vulnerability to mood disorders.
Conclusions:
- Epigenetics provides a framework for understanding the molecular basis of depression.
- Early life interventions targeting epigenetic modifications hold promise for prevention.
- This approach can advance the study and treatment of mental health disorders.
Abstract:
The growing field of epigenetics and human behavior affords an unprecedented opportunity to discover molecular underpinnings of mental health disorders and pave the way for the development of preventive intervention programs. Maternal depression during pregnancy is a serious public health issue and leads to a 4-fold increase in the likelihood that the child will develop depression. We describe how mood disorders, particularly depression, may be shaped by early life stress, programming, and epigenetic processes and pathways showing how these processes could lead to depression in childhood. Implications of this approach to the study of mental health disorders for preventive interventions are discussed.
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