Proteinase Inhibitory Proteins, Secretory

**Definition:** Peptides and proteins found in BODILY SECRETIONS and BODY FLUIDS that are PROTEASE INHIBITORS. They play a role in INFLAMMATION, tissue repair and innate immunity (IMMUNITY, INNATE) by inhibiting endogenous proteinases such as those produced by LEUKOCYTES and exogenous proteases such as those produced by invading microorganisms.

**Tree numbers:** - D12.644.822 - D12.776.815

**Synonyms:** - Protease Inhibitory Proteins, Secretory - Peptidase Inhibitory Proteins, Secretory