Nikolas
Created page with "{{:Stub}} <section begin="clinical biochemistry" />'''Alpha-1 antitrypsin''' (A1AT) is a plasma protein and a protease inhibitor. It protects tissues from proteases like neutrophil elastase. Alpha-1 antitrypsin deficiency predisposes to pulmonary emphysema (a form of COPD) and cirrhosis.<section end="clinical biochemistry" /> Category:Physiology"