Interleukin

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

**Definition:** Interleukin is the generic name for a group of well-characterized cytokines that are produced by leukocytes and other cell types. They have a broad spectrum of functional activities that regulate the activities and capabilities of a wide variety of cell types. They are particularly important as members of the cytokine networks that regulate inflammatory and immune responses.

**Synonyms:** - IL - IL - Interleukins - interleukin