T helper cell

Antigen presentation stimulates T cells to become either

Th1/Th2 Model for helper T cells. An antigen is ingested and processed by an APC. It presents fragments from it to T cells. The upper, Th0, is a T helper cell. The fragment is presented to it by MHC2.[11] IFN-γ, interferon γ; TGF-β, transforming growth factor β; mø, macrophage; IL-2, interleukin 2; IL-4, interleukin 4

The T helper cells (T_h cells) are a type of T cell that play an important role in the immune system, particularly in the adaptive immune system. They help the activity of other immune cells by releasing T cell cytokines. These cells help suppress or regulate immune responses. They are essential in B cell antibody class switching, in the activation and growth of cytotoxic T cells, and in maximizing bactericidal activity of phagocytes such as macrophages.

单词	Lymphocyte activation
释义	Lymphocyte activation 英语百科 T helper cell The T helper cells (T_h cells) are a type of T cell that play an important role in the immune system, particularly in the adaptive immune system. They help the activity of other immune cells by releasing T cell cytokines. These cells help suppress or regulate immune responses. They are essential in B cell antibody class switching, in the activation and growth of cytotoxic T cells, and in maximizing bactericidal activity of phagocytes such as macrophages.
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Lymphocyte activation

T helper cell