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Interferon - Definition


Interferon is a protein produced mainly by the immune system. Interferons defend the body against viral attacks: a virus-infected cell will synthesize this molecule whose role will be to inform other cells of the virus: another mechanism, perhaps another protein produced by the cells that have been warned would then prevent the virus from multiplying. Interferons also have effects on cell proliferation in the development of certain malignancies. They are therefore mainly used in cancer, immunology, and the treatment of chronic hepatitis C or of multiple sclerosis.