Serum α1-antitrypsin

Antitrypsin is a glycoprotein containing 10% to 20% of sugar. It is mainly synthesized by the liver and widely distributed in normal human serum and body fluids. It is the main protease inhibitor in serum, and it also inhibits other enzymes such as thrombin and urokinase. It is also an acute phase response protein. In inflammatory diseases, & alpha; 1 antitrypsin can penetrate capillaries Into the tissue fluid, the concentration is often high in the local inflammation, which can play a certain role in limiting the development of acute inflammation.

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