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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.
What is Gene Expression?01:36

What is Gene Expression?

A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is comprised  of nucleotides and proteins are comprised of amino acids, a mediator is required to convert the information encoded in DNA into proteins. This mediator is the messenger RNA (mRNA). mRNA copies the blueprint from DNA by a process called transcription. In eukaryotes, transcription occurs in the nucleus by complementary base-pairing with the DNA template. The mRNA is then processed and...
What is Gene Expression?01:42

What is Gene Expression?

Overview
Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors.
Genetic Information Flows from DNA to RNA to Protein
A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is made up of nucleotides and proteins consist of amino...
What is Gene Expression?01:42

What is Gene Expression?

Overview
Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors.
Genetic Information Flows from DNA to RNA to Protein
A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is made up of nucleotides and proteins consist of amino...

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Related Experiment Video

Updated: Jun 13, 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 and gene expression.

E R Gibney1, C M Nolan

  • 1UCD Institute of Food and Health, Dublin, Ireland.

Heredity
|May 13, 2010
PubMed
Summary
This summary is machine-generated.

Epigenetic processes, such as DNA methylation and histone modification, regulate gene expression, influencing cell differentiation and development. This paper explores how epigenetics impacts gene expression at various stages, including transcription and translation.

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Last Updated: Jun 13, 2026

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Repressing Gene Transcription by Redirecting Cellular Machinery with Chemical Epigenetic Modifiers

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Area of Science:

  • Molecular Biology
  • Genetics
  • Developmental Biology

Background:

  • All cells in an organism share the same DNA, yet exhibit diverse cell types and functions.
  • Cellular diversity arises from differential gene expression, which is crucial for differentiation and development.
  • Gene expression control is fundamental to understanding biological complexity.

Purpose of the Study:

  • To outline the role of epigenetics in influencing gene expression.
  • To explore how epigenetic mechanisms regulate the transfer of genetic information.
  • To discuss the impact of epigenetics on cellular differentiation and development.

Main Methods:

  • Review of epigenetic processes including DNA methylation, histone modification, and RNA-mediated processes.
  • Analysis of gene expression regulation at the transcriptional level.
  • Investigation into potential epigenetic regulation at post-transcriptional levels, such as translation.

Main Results:

  • Epigenetic processes are primarily believed to influence gene expression at the transcription level.
  • Mechanisms like DNA methylation and histone modifications play key roles in differential gene expression.
  • Evidence suggests that epigenetic regulation may extend to other stages, including translation.

Conclusions:

  • Epigenetics is central to controlling gene expression, driving cell differentiation and organismal development.
  • Understanding epigenetic mechanisms is crucial for comprehending how genetic information is functionally interpreted.
  • Further research is needed to fully elucidate the epigenetic control of gene expression across all stages of protein synthesis.