T Helper 2 Cell (Th2 Cell)
A subset of helper T-lymphocytes that primarily mediates humoral immunity against extracellular pathogens by activating B-lymphocytes and promoting antibody production.
Key Functions:
- Produces cytokines (e.g., IL-4, IL-5, IL-13) that promote allergic reactions and anti-parasitic immunity.
- Activates B-lymphocytes to differentiate into plasma cells and produce antibodies.
- Involved in defense against helminth infections.
Interacting Systems & Components:
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