What Is A T cell? Defining A T cell
What is a T cell?
A T cell is a type of white blood cell that plays an important role in the immune system by recognizing and attacking harmful invaders, but can also cause allergies when activated against harmless substances.
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What is a T cell?
A T cell is a type of white blood cell that plays a crucial role in the immune response by recognizing and destroying infected or abnormal cells.
How do T cells work?
T cells identify foreign substances, such as viruses or bacteria, and then activate other immune cells to attack and destroy them.
What are the different types of T cells?
There are two main types of T cells: CD4+ T cells, which help coordinate the immune response, and CD8+ T cells, which directly attack and kill infected cells.
What is the role of T cells in allergies?
T cells can play a role in allergies by producing immune responses to harmless substances, such as pollen or certain foods, leading to allergy symptoms.
What is the difference between a T cell-mediated and antibody-mediated allergic response?
T cell-mediated allergic response is caused by the activation of T cells, while an antibody-mediated allergic response is caused by the production of antibodies against allergens.
Can T cells be targeted for the treatment of allergies?
Yes, T cells can be targeted for the treatment of allergies through immunotherapy, which aims to desensitize the immune system to allergens.
How does the activation of T cells contribute to the severity of allergic reactions?
The activation of T cells can lead to the release of cytokines, which can cause inflammation and increase the severity of allergic reactions.
