IL-1 may refer to:
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Interleukin 1
The Interleukin-1 family (IL-1 family) is a group of 11 cytokines that plays a central role in the regulation of immune and inflammatory responses to infections or sterile insults.
Discovery
Discovery of these cytokines began with studies on t ...
, a protein
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Illinois's 1st congressional district
Illinois's first congressional district is a congressional district in the U.S. state of Illinois. Based in Cook County, Illinois, Cook County, the district includes much of the South Side of Chicago and continues southwest to Joliet, Illinois, ...
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Illinois Route 1
Illinois Route 1 (IL 1) is a state highway (US), state highway in the U.S. state of Illinois. Running parallel to the Indiana border, the highway starts at the Cave-In-Rock Ferry, free ferry crossing to Kentucky at Cave-In-Rock, Illinois, ...
* Building 1 of
Infinite Loop (street)
The Apple Campus is the former corporate headquarters of Apple Inc. from 1993 until 2017. In April 2017, it was largely replaced by Apple Park (aka Apple Campus 2), but is still an Apple office and lab space. The campus is located at 1 Infinite ...
, the headquarters of Apple Inc.
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Ilyushin Il-1, a Soviet fighter prototype
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