Cytokines such as interferrons and interleukins are secreted by the T cell in response to antigen. These chemicals are also secreted by B cells, dendrictic cells and natural killer cells.
These chemicals are signalling agents that modulate (or properly control) the immune response
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T cells secrete chemicals called cytokines such as interferon-gamma, interleukins, and tumor necrosis factor in response to antigens. These chemicals help regulate immune responses by activating other immune cells, promoting inflammation, and coordinating the immune system's response to pathogens.
No, T cells respond to antigens by directly destroying infected cells or by producing cytokines to help coordinate the immune response. Complements are a group of proteins that are part of the innate immune response and are mainly secreted by macrophages and other immune cells to help enhance the immune response.
Antigens incite the immune response by being processed and presented by antigen-presenting cells, such as dendritic cells, to T cells. Once presented, the antigens can activate specific immune responses, leading to the generation of memory cells and effector cells that target the antigen. Antigens that are not processed, reduced, or combined with other proteins may not effectively stimulate the immune system.
The process of clonal selection in the immune system produces numerous B cells and T cells that are activated in response to specific antigens. This involves the proliferation of cells that have receptors capable of binding to a particular antigen, resulting in an amplified response to combat the invading pathogen.
Antigens determining blood type are carried on the surface of red blood cells. These antigens are proteins or sugars that can trigger an immune response if they are not recognized by the body's immune system.
Processed fragments of protein antigens displayed on surfaces of body cells.