Interleukin-18

**Semantic type:** Amino Acid, Peptide, or Protein|Immunologic Factor

**Definition:** Interleukin-18 (193 aa, ~22 kDa) is encoded by the human IL18 gene. This protein is involved in the regulation of both natural killer cell activity and the production of interferon gamma.

**Synonyms:** - IFN-gamma-Inducing Factor - IGIF - IL-1 Gamma - IL-18 - IL-1g - IL18 - IL18 Protein - IL1F4 - Interferon Gamma-Inducing Factor - Interferon-Gamma Inducing Factor - Interferon-Gamma-Inducing Factor - Interleukin 18 - Interleukin 18 Proprotein - Interleukin-1 Gamma - Interleukin-18 Precursor