What question did this study set out to answer?

To review the dual role of interleukin-2 (IL-2) in immune tolerance and memory, with a focus on T regulatory cells.

The Biology of Interleukin-2

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Review discusses the dual role of IL-2 in immune tolerance and responses, highlighting implications for immunotherapy.

To review the dual role of interleukin-2 (IL-2) in immune tolerance and memory, with a focus on T regulatory cells.
Analyzed immune responses in IL-2-nonresponsive mice to assess autoimmunity and immunity roles.
Emphasized the importance of T regulatory cell production and homeostasis.
Investigated implications of targeting IL-2 or its receptor in immunotherapy.
IL-2 is essential for maintaining immune tolerance and influencing immune memory.
Studies show T regulatory cell defects lead to lethal autoimmunity due to IL-2/IL-2R deficiency.
IL-2 contributes to optimal primary immune responses but is not mandatory for all immune processes.

Thomas R. Malek (2007) studied this question.

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