alpha 1-Antitrypsin |
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| A1PI; Prolastin; Zemaira; alpha 1 Antiprotease; alpha 1-Antiproteinase; alpha 1-Proteinase Inhibitor F; alpha 1-Proteinase Inhibitor S; 1-Antiproteinase, alpha; Antiprotease, alpha 1; Inhibitor, alpha 1-Protease; Inhibitor, alpha 1-Proteinase | |
| Plasma glycoprotein member of the serpin superfamily which inhibits TRYPSIN; NEUTROPHIL ELASTASE; and other PROTEOLYTIC ENZYMES. Commonly referred to as alpha 1-proteinase inhibitor (A1PI), it exists in over 30 different biochemical variant forms known collectively as the Pi (protease inhibitor) system. Hereditary A1PI deficiency is associated with PULMONARY EMPHYSEMA. | |