Prab: Reverted edits by Prab (talk) to last revision by Kondreddy Naveen

2024-02-25T04:55:35Z

Reverted edits by Prab (talk) to last revision by Kondreddy Naveen

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= Regulatory T Cell (Treg) =

A '''Regulatory T Cell''', commonly abbreviated as '''Treg''' and also known as a '''suppressor T cell''', is a crucial component of the immune system. Tregs are a subtype of white blood cells and lymphocytes that play a pivotal role in regulating and suppressing immune responses, ensuring that the immune system does not become overactive and attack the body's own tissues. This function is vital in maintaining immune homeostasis and preventing autoimmune diseases.

[[File:Tregs in mouse pregnancy.jpg|thumb|500px|right|Illustration of Regulatory T Cells moderating the immune response.]]

== Function ==
Tregs are primarily involved in:
* Maintaining tolerance to self-antigens, thus preventing autoimmune reactions.
* Modulating the immune response to pathogens, reducing the risk of over-reactivity that can lead to tissue damage.
* Influencing the immune response to tumors and cancer cells, which has significant implications for cancer therapy.

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== Types ==
There are several types of Tregs, including:
* '''Naturally occurring Tregs (nTregs):''' These develop in the thymus and are inherently regulatory.
* '''Inducible Tregs (iTregs):''' These are converted from conventional T cells in the periphery under certain conditions.

== Regulatory T Cells and Cancer ==
Tregs have a dual role in cancer. On one hand, they can suppress anti-tumor immunity, allowing cancer cells to evade immune detection and destruction. On the other hand, their regulatory functions are being harnessed in cancer treatment strategies to modulate the immune system's response to tumors.

== Research and Cancer Treatment ==
Research into Tregs is focused on:
* Understanding how Tregs suppress other immune cells and how this can be modulated.
* Developing therapies that can either enhance or inhibit Treg activity, depending on the desired outcome. Inhibiting Treg activity may enhance the body's ability to fight cancer, while enhancing Treg activity can be beneficial in treating autoimmune diseases.

== See Also ==
* [[Immune system]]
* [[Autoimmune disease]]
* [[Cancer immunotherapy]]
* [[Lymphocyte]]
* [[Autoimmunity]]

== References ==
* Sakaguchi, S. et al. (2020). "Regulatory T Cells and Immune Tolerance." Cell.
* National Cancer Institute. (2023). "Regulatory T Cell in Cancer Treatment."

== External Links ==
* [https://www.cancer.gov/about-cancer/treatment/types/immunotherapy National Cancer Institute: Immunotherapy]
* [https://www.immunology.org/public-information/bitesized-immunology/cells/regulatory-t-cells British Society for Immunology: Regulatory T Cells]

[[Category:Immunology]]
[[Category:Cancer treatment]]
[[Category:Cell biology]]

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Regulatory T cell - Revision history

Prab: Reverted edits by Prab (talk) to last revision by Kondreddy Naveen