IL-1 beta (this gene). IL-1? precursor is cleaved by cytosolic caspase 1 (interleukin 1 beta convertase) to form mature IL-1?.

IL-1? is a member of the interleukin 1 family of cytokines. This cytokine is produced by activated macrophages, monocytes, and a subset of dendritic cells known as slanDC, as a proprotein,