Related Experiment Video
Updated: Aug 15, 2026

07:12
Mouse Naïve CD4+ T Cell Isolation and In vitro Differentiation into T Cell Subsets
Published on: April 16, 2015
Epigenetic regulation of Th1 and Th2 cell development
1Department of Molecular Virology, Immunology and Medical Genetics, The Ohio State University Medical Center, Columbus, OH, USA. sanders.302@osu.edu
Brain, Behavior, and Immunity
|October 18, 2005
Summary
Epigenetics regulates gene expression without altering DNA sequence. This process is crucial for CD4+ T cell differentiation into Th1 or Th2 cells, influencing immunity and disease development.
Area of Science:
- Immunology
- Molecular Biology
- Genetics
Background:
- All cells share identical genetic material but exhibit differential gene expression.
- Epigenetics involves modifications to DNA and histones, altering chromatin structure without changing the DNA sequence.
- These epigenetic changes are heritable through cell division and occur during development.
Purpose of the Study:
- To review basic epigenetic mechanisms.
- To explore how epigenetic mechanisms influence cytokine gene expression in CD4+ T cells.
- To understand the role of epigenetics in the development of Th1/Th2-associated conditions.
Main Methods:
- Review of existing literature on epigenetics and T cell differentiation.
- Analysis of epigenetic modifications affecting chromatin remodeling.
- Examination of cytokine gene regulation in developing Th1 and Th2 cells.
Main Results:
- Epigenetic mechanisms orchestrate the differential expression of cytokine genes (IFN-gamma and IL-4) during naive CD4+ T cell differentiation into Th1 or Th2 cells.
- These mechanisms lead to the permanent silencing of one cytokine gene while allowing the expression of the other.
- Environmental factors may induce epigenetic changes during Th1/Th2 cell development, potentially explaining Th1/Th2-associated diseases.
Conclusions:
- Epigenetic regulation is fundamental to the functional specialization of CD4+ T cells.
- Understanding these epigenetic processes is key to deciphering the etiology of Th1/Th2-associated immune conditions.
- Further research into environmentally induced epigenetic changes could reveal therapeutic targets.
Related Concept Videos
T Cell Types and Functions
When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Epigenetic Regulation
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
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...
X-chromosome...
Epigenetic Regulation
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Master Transcription Regulators
Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...
T Cell Activation and Clonal Selection
T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
Naive T cells that have not yet encountered an antigen express two primary CD...
