Recombinant Human Interleukin-2 (IL-2 C126S), also known as T
cell growth factor (TCGF), is essential in promoting
adaptive cellular immunity and tolerance, primarily via its
direct effects on T cells. The major source of IL-2 is from
activated CD4+ or activated CD8+ T cells. IL-2 also
stimulates the proliferation and differentiation of B cells,
natural killer cells, monocytes, and macrophages. In
addition, IL-2 stimulates regulatory T cell development
indicating a critical role in the prevention of autoimmunity.
Taken together, IL-2 is an indispensable growth factor for immune
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