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Related Concept Videos

Epigenetic Regulation01:46

Epigenetic Regulation

Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Epigenetic Regulation01:37

Epigenetic Regulation

Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
Epigenetic Regulation01:46

Epigenetic Regulation

Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Gene-Environment Interactions01:20

Gene-Environment Interactions

Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
Behavioral Genetics and Its Designs01:23

Behavioral Genetics and Its Designs

Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
Genomic Imprinting and Inheritance02:30

Genomic Imprinting and Inheritance

Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...

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Related Experiment Video

Updated: Jun 1, 2026

Optimized Analysis of DNA Methylation and Gene Expression from Small, Anatomically-defined Areas of the Brain
13:11

Optimized Analysis of DNA Methylation and Gene Expression from Small, Anatomically-defined Areas of the Brain

Published on: July 12, 2012

Epigenetics of early child development.

Chris Murgatroyd1, Dietmar Spengler

  • 1Max Planck Institute of Psychiatry Munich, Germany.

Frontiers in Psychiatry
|June 8, 2011
PubMed
Summary

Early life adversity impacts brain development and mood disorder risk. Epigenetic mechanisms explain how these experiences cause lasting changes, influencing adult health and disease susceptibility.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Developmental Biology

Background:

  • Early life adverse conditions significantly affect brain development and increase vulnerability to mood disorders.
  • The developing brain's high plasticity allows environmental factors to alter neural circuit trajectories.
  • Early adversity shapes stress-regulating pathways, including the hypothalamo-pituitary-adrenal (HPA) system, altering adult stress responsivity.

Purpose of the Study:

  • To review studies on early environment effects on brain development.
  • To discuss the role of epigenetic mechanisms in mediating gene-environment interactions.
  • To explore how early life experiences lead to persistent epigenetic programming and disease risk.

Main Methods:

  • Review of recent neuroscience and clinical studies.
Keywords:
DNA methylationbrainchromatinearly lifeepigeneticshypothalamo–pituitary–adrenal axis

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  • Focus on gene-environment interactions and psychopathology.
  • Utilizing animal models with manipulated early environmental factors.

    • Main Results:

    • Epigenetic mechanisms translate early life conditions into long-lasting gene expression changes.
    • These changes impact brain function and adult physiology.
    • Early life experiences can establish epigenetic marks that confer increased risk for mental disorders.

    Conclusions:

    • Epigenetic programming is a key mediator of gene-environment interactions in early life.
    • Understanding epigenetic modifications is crucial for modern psychiatry and therapeutic interventions.
    • Reversing detrimental epigenetic marks may offer new treatment strategies for mental disorders.