Related Experiment Video

Updated: Jun 2, 2026

In Vitro Differentiation of Human CD4+FOXP3+ Induced Regulatory T Cells (iTregs) from Naïve CD4+ T Cells Using a TGF-β-containing Protocol
08:20

In Vitro Differentiation of Human CD4+FOXP3+ Induced Regulatory T Cells (iTregs) from Naïve CD4+ T Cells Using a TGF-β-containing Protocol

Published on: December 30, 2016

The dual role of the X-linked FoxP3 gene in human cancers

Margaret Redpath1, Bin Xu, Leon C van Kempen

  • 1Department of Pathology, McGill University, Montreal, QC, Canada.

Molecular Oncology
|April 15, 2011
PubMed

Insights

The forkhead box P3 (FoxP3) gene is crucial for regulatory T cells and acts as a tumor suppressor. Understanding FoxP3 in melanoma is key for developing new immunotherapies.

Area of Science:

  • Immunology
  • Oncology
  • Genetics

Background:

  • The forkhead box P3 (FoxP3) gene is an X-linked gene critical for regulatory T cell function.
  • Regulatory T cells expressing FoxP3 are key targets in treating disseminated cutaneous melanoma.
  • FoxP3 functions as a tumor suppressor gene in various carcinomas, including cutaneous melanoma.

Purpose of the Study:

  • To elucidate the structure and function of the FoxP3 gene.
  • To understand the role of FoxP3 in the context of melanoma biology.
  • To inform the development of novel immunotherapeutics and treatment strategies for melanoma.

Main Methods:

  • Analysis of FoxP3 gene structure and inactivation patterns.
  • Investigation of FoxP3's role in CD4(+)CD25(+) regulatory T cells.
  • Assessment of FoxP3's tumor suppressor activity in melanoma models.

Main Results:

  • FoxP3 is essential for the development and function of regulatory T cells.
  • FoxP3 exhibits tumor suppressor properties relevant to cutaneous melanoma.
  • The X-linked nature and inactivation of FoxP3 influence its function in melanoma.

Conclusions:

  • Understanding FoxP3 gene biology is vital for advancing melanoma treatment.
  • Targeting FoxP3 in regulatory T cells offers a promising therapeutic avenue for melanoma.
  • Further research into FoxP3's mechanisms can lead to improved melanoma immunotherapies.

More Related Videos

In Vivo Augmentation of Gut-Homing Regulatory T Cell Induction08:02

In Vivo Augmentation of Gut-Homing Regulatory T Cell Induction

Published on: January 22, 2020

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...
Mouse Models of Cancer Study02:43

Mouse Models of Cancer Study

Mice have long served as models for studying human biology and pathology because of their phylogenetic and physiological similarity with humans. They are also easy to maintain and breed in the laboratory, and hence, many inbred strains are now available for research. Studies on mice have contributed immeasurably to our understanding of cancer biology.
The development of transgenic, knockout, and knock-in mice has led to an exponential increase in their use as model organisms in research,...
Loss of Tumor Suppressor Gene Functions01:12

Loss of Tumor Suppressor Gene Functions

Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
When the tumor suppressor genes develop mutations or are lost, cells start growing out of control, leading to cancer. However, a single functional copy of the tumor suppressor gene is enough for the cells to maintain their normal functions and cell...
Loss of Tumor Suppressor Gene Functions01:12

Loss of Tumor Suppressor Gene Functions

Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
When the tumor suppressor genes develop mutations or are lost, cells start growing out of control, leading to cancer. However, a single functional copy of the tumor suppressor gene is enough for the cells to maintain their normal functions and cell...
Inheritance of Chromatin Structures03:17

Inheritance of Chromatin Structures

Epigenetics is the study of inherited changes in a cell's phenotype without changing the DNA sequences. It provides a form of memory for the differential gene expression pattern to maintain cell lineage, position-effect variegation, dosage compensation, and maintenance of chromatin structures such as telomeres and centromeres. For example, the structure and location of the centromere on chromosomes are epigenetically inherited. Its functionality is not dictated or ensured by the underlying DNA...