In terms of immune response, what role do helper T cells serve?

Helper T cells play a crucial role in the immune system by coordinating the immune response. They do this primarily by recognizing antigens presented by antigen-presenting cells and then stimulating various components of the immune system to enhance the body's defense against pathogens.

When a helper T cell encounters a pathogen, it releases cytokines, which are signaling molecules that help activate and direct other immune cells. This includes stimulating B cells to produce antibodies and enhancing the activity of cytotoxic T cells, which are responsible for killing infected cells. Additionally, helper T cells can activate macrophages to become more effective at engulfing and destroying pathogens.

This orchestration is essential for a robust and effective immune response, as the activity of helper T cells ensures that different parts of the immune system work together efficiently to combat infections.