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.
Also Known As:
Antileukoprotease; Bronchial Mucus Elastase Inhibitor; Elastase Inhibitor, Mucus; Leukocyte Peptidase Inhibitor, Secretory; Mucus Protease Inhibitor; Mucus Proteinase Inhibitor; Secretory Leukocyte-Protease Inhibitor; Secretory Leukoprotease Inhibitor; Seminal Proteinase Inhibitor; Mucus Elastase Inhibitor; Protease Inhibitor, Mucus; Proteinase Inhibitor, Mucus; Secretory Leukocyte Protease Inhibitor