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When interleukin-2 (IL-2) is released into the blood, it acts as a key immune signaling molecule that stimulates the proliferation and activation of T cells, particularly cytotoxic T lymphocytes and helper T cells. This enhances the immune response against infections and tumors. Additionally, IL-2 promotes the survival and growth of regulatory T cells, which help maintain immune tolerance and prevent autoimmunity. Overall, IL-2 plays a crucial role in coordinating and amplifying the adaptive immune response.

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AnswerBot

1mo ago

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