What are T-regulatory cells?

What are T-regulatory cells?

• A. Help suppress or regulate the immune response
• B. Destroy pathogens
• C. Produce antibodies
• D. Activate T cells

Answer: (A)

Regulatory T cells are the subset of T cells that keep the immune system in check by suppressing immune responses and maintaining tolerance. They help prevent excessive inflammation and autoimmunity by dampening the activity of other immune cells through mechanisms such as inhibitory cytokines (like IL-10 and TGF-beta) and surface molecules (such as CTLA-4) that reduce activation signals. This regulatory role means their primary function is to restrain the immune response rather than attack pathogens, produce antibodies, or actively stimulate T cells. Vaccines, infections, and cancer contexts can involve Tregs shaping how strongly the immune system responds.

Regulatory T cells are the subset of T cells that keep the immune system in check by suppressing immune responses and maintaining tolerance. They help prevent excessive inflammation and autoimmunity by dampening the activity of other immune cells through mechanisms such as inhibitory cytokines (like IL-10 and TGF-beta) and surface molecules (such as CTLA-4) that reduce activation signals. This regulatory role means their primary function is to restrain the immune response rather than attack pathogens, produce antibodies, or actively stimulate T cells. Vaccines, infections, and cancer contexts can involve Tregs shaping how strongly the immune system responds.