Related Experiment Video
Updated: Dec 18, 2025

Adenoviral Transduction of Naive CD4 T Cells to Study Treg Differentiation
Published on: August 13, 2013
Genetics Meets Epigenetics in Treg Cells and Autoimmunity
Paula A Agudelo Garcia1, Shelley L Berger1
1Departments of Cell and Developmental Biology, Genetics, and Biology, Epigenetics Institute, University of Pennsylvania, PA, USA.
Single nucleotide polymorphisms (SNPs) linked to autoimmune diseases are found in regulatory regions of T cells. These crucial SNPs are enriched in CpG demethylation regions, impacting regulatory T cell development and function.
Area of Science:
- Immunology
- Genetics
- Epigenetics
Background:
- Autoimmunity-associated single nucleotide polymorphisms (SNPs) are predominantly located in noncoding regulatory regions of T cells.
- The epigenetic mechanisms and normal functions of these SNPs in T cell differentiation are not well understood.
Purpose of the Study:
- To investigate the epigenetic basis of autoimmunity-associated SNPs in T cells.
- To determine the role of these SNPs in T cell differentiation and function, particularly in regulatory T cells (Tregs).
Main Methods:
- Analysis of single nucleotide polymorphisms (SNPs) associated with autoimmune diseases.
- Investigation of DNA regions with CpG demethylation.
- Examination of Treg cell development and function.
Main Results:
- Autoimmunity-associated SNPs are significantly enriched in DNA regions characterized by CpG demethylation.
- These CpG demethylation regions play a critical role in governing the development and function of regulatory T cells (Tregs).
Conclusions:
- CpG demethylation in specific DNA regions is a key epigenetic mechanism underlying the association of SNPs with autoimmune diseases.
- Understanding these mechanisms provides insights into Treg cell biology and potential therapeutic targets for autoimmune disorders.
Related Concept Videos
T Cell Types and Functions
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Autoimmune Disorders
Concept and Mechanism of Autoimmune Diseases
The immune...
T Cell Activation and Clonal Selection
Naive T cells that have not yet encountered an antigen express two primary CD...
Cell-mediated Immune Responses
Diversity of Antigen Receptors
Before encountering any antigen, lymphocytes express these receptors. On B cells, the antigen receptor is a membrane-bound antibody molecule called BCR; on T cells, it is a T cell receptor or TCR. B and T cell receptors are composed of two...

