A proteinase inhibitor found in various BODILY SECRETIONS that coat mucosal surfaces such as SEMINAL PLASMA; CERVICAL MUCUS; and bronchial secretions. It plays a role in protecting epithelial tissues from LEUKOCYTE-derived serine proteases such as NEUTROPHIL ELASTASE.
SLPI
Secretory Leukocyte-Protease Inhibitor — Secretory Leukocyte Protease Inhibitor — Secretory Leukoprotease Inhibitor — Antileukoprotease — Leukocyte Peptidase Inhibitor, Secretory — Bronchial Mucus Elastase Inhibitor — Mucus Proteinase Inhibitor — Proteinase Inhibitor, Mucus — Seminal Proteinase Inhibitor — Mucus Protease Inhibitor — Protease Inhibitor, Mucus — Elastase Inhibitor, Mucus — Mucus Elastase Inhibitor