Epigenetic programming of reward function in offspring: a role for maternal diet
Nicola Grissom1, Nicole Bowman, Teresa M Reyes
1Department of Pharmacology, Perelman School of Medicine, Institute for Translational Medicine and Therapeutics, University of Pennsylvania, 10-131 Smilow Center for Translational Research, Philadelphia, PA, 19104, USA.
Summary
Maternal diet during pregnancy and lactation significantly impacts offspring brain development, particularly reward systems. Poor nutrition can lead to lasting negative effects, potentially mediated by epigenetic changes.
Area of Science:
- Neuroscience
- Developmental Biology
- Nutritional Science
Background:
- Early life development, especially the central nervous system, is highly vulnerable to environmental influences.
- Adverse perinatal conditions can lead to long-term neurodevelopmental issues and psychopathologies.
- Maternal diet is a critical factor shaping the fetal developmental environment.
Purpose of the Study:
- To review the effects of poor maternal perinatal nutrition on offspring brain development.
- To focus on the impact on reward-related neural systems and behaviors.
- To explore the role of epigenetic mechanisms linking maternal diet to offspring brain development.
Main Methods:
- Literature review of studies on maternal nutrition and offspring neurodevelopment.
- Analysis of research focusing on reward pathways and associated behaviors.
- Examination of epigenetic mechanisms influenced by perinatal nutrition.
Main Results:
- Poor maternal nutrition during gestation and lactation negatively affects offspring brain development.
- Specific impacts are observed in reward-related neural systems and behaviors.
- Epigenetic modifications are identified as a key mechanism mediating these effects.
Conclusions:
- Maternal diet is a crucial determinant of offspring neurodevelopmental outcomes.
- Nutritional interventions during pregnancy and lactation may mitigate risks.
- Understanding epigenetic links can inform strategies for preventing developmental disorders.
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