IL-2

IL2 or IL-2 may be:Ilyushin Il-2, a World War II era Soviet ground attack aircraftIl-2 Sturmovik, game featuring the Ilyushin Il-2 aircraftInterleukin 2, a cytokine for stimulating the growth of T cell lymphocytes
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Illinois Route 2 is a north-south state road in northern Illinois. It currently starts at Illinois Route 40 in Sterling and ends at the Wisconsin state line north of South Beloit, very near the intersection with U.S. Route 51, Illinois Route 75 and Illinois Route 251. Illinois 2 is about 120 miles long (194 km).
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Abbreviation for interleukin-2.

Interleukin-2. A type of biological response modifier (a substance that can improve the body's natural response to disease) that enhances the ability of the immune system to kill tumor cells and may interfere with blood flow to the tumor. These substances are normally produced by the body. Aldesleukin is IL-2 that is made in the laboratory for use in treating cancer and other diseases.