IL-12: Difference between revisions
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Latest revision as of 12:47, 18 March 2025
IL-12 is a type of interleukin that plays a crucial role in the body's immune response. It is a cytokine, a type of protein that cells use to communicate with each other. IL-12 is produced by macrophages and dendritic cells in response to pathogens.
Function[edit]
IL-12 has a number of functions in the body. It stimulates the production of interferon-gamma (IFN-γ) and tumor necrosis factor-alpha (TNF-α) from T cells and natural killer cells, and reduces IL-4 mediated suppression of IFN-γ. IL-12 plays a role in the activities of natural killer cells and T lymphocytes. It also promotes the differentiation of T cells into Th1 cells, which are involved in cell-mediated immunity.
Clinical significance[edit]
Abnormalities in IL-12 production or function can lead to a number of health problems, including infectious diseases, autoimmune diseases, and cancer. For example, a lack of IL-12 can lead to severe immunodeficiency, characterized by an increased susceptibility to infections. On the other hand, excessive IL-12 production can lead to severe inflammatory and autoimmune conditions.
Therapeutic use[edit]
Because of its role in the immune response, IL-12 has been investigated for its potential use in cancer therapy. Some studies have shown that IL-12 can help to stimulate an immune response against cancer cells, making it a potential candidate for immunotherapy.
