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Related Concept Videos

Epigenetic Regulation01:37

Epigenetic Regulation

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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.
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Gene-Environment Interactions01:20

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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...
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The factors influencing the health-illness continuum can be internal or external and may or may not be under conscious control. They are related to the following eight human dimensions, and each dimension is interrelated to one other.
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The person's health status fluctuates continually, varying from being in good health to becoming ill and returning to being healthy. To understand the concept of illness prevention, there are two models. First, the health-illness continuum model is a graphic representation of an individual's wellness. It states that a person is considered healthy in the absence of physical disease and the presence of good emotional health.
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Updated: Mar 23, 2026

Stable Isotope In-Vivo Labeling for Mass-Spectrometry Identification of Paternal Metabolites Transferred from Sperm to Oocyte During Fertilization
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Developmental Origins, Epigenetics, and Equity: Moving Upstream.

Lawrence Wallack1,2, Kent Thornburg3,4

  • 1Center for Public Health Studies, Portland State University, Portland, OR, USA. Wallack@pdx.edu.

Maternal and Child Health Journal
|April 1, 2016
PubMed
Summary
This summary is machine-generated.

Environmental factors, explained by epigenetics (the study of gene-environment interactions), significantly impact health and social success across generations. Improving environments through public policy can alter biology and improve health outcomes.

Keywords:
Barker HypothesisDevelopmental originsEpigeneticsHealth equityUpstreamZipcode

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Area of Science:

  • Developmental Origins of Health and Disease (DOHaD)
  • Epigenetics

Background:

  • The concept "your zip code may be more important than your genetic code" highlights environmental influences on health.
  • Epigenetics explains how environmental exposures biologically alter health and social development.
  • This science challenges traditional views on disease etiology and health promotion.

Purpose of the Study:

  • To redefine upstream public health strategies using DOHaD and epigenetics.
  • To explore the biological mechanisms linking environment to health disparities.
  • To emphasize the role of social determinants in health across the life course.

Main Methods:

  • This study is primarily a conceptual review and synthesis of existing scientific literature.
  • It integrates findings from DOHaD and epigenetic research.
  • It analyzes the impact of environmental factors on biological pathways.

Main Results:

  • Environmental exposures, beginning prenatally, create biological changes influencing lifelong health and social outcomes.
  • Social and biological disadvantages are exacerbated by adverse environments.
  • Epigenetic mechanisms demonstrate how environmental factors modify gene expression.

Conclusions:

  • Public policy interventions targeting social, physical, and economic environments can positively influence biology.
  • Improving environments can alter health trajectories for individuals and future generations.
  • Addressing social equity through environmental improvements is crucial for public health.