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A novel heterodimeric cysteine protease is required for interleukin-1 beta processing in monocytes.

   
Author Thornberry, N A, et al.
Citation Information Nature, 356: 768-74 (1992), : (1992)
Related Products 01-151, 12-341
Pub Med ID 1574116
   

Abstract

Interleukin-1 beta (IL-1 beta)-converting enzyme cleaves the IL-1 beta precursor to mature IL-1 beta, an important mediator of inflammation. The identification of the enzyme as a unique cysteine protease and the design of potent peptide aldehyde inhibitors are described. Purification and cloning of the complementary DNA indicates that IL-1 beta-converting enzyme is composed of two nonidentical subunits that are derived from a single proenzyme, possibly by autoproteolysis. Selective inhibition of the enzyme in human blood monocytes blocks production of mature IL-1 beta, indicating that it is a potential therapeutic target.