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The SERPINA1 Gene, serpin family A member 1

The SERPINA1 gene provides instructions for making a protein called alpha-1 antitrypsin, which is a type of serine protease inhibitor (serpin)

Learn About Antibodies and Antigens

Antibodies, or immunoglobulins, are proteins made by the body that help fight against foreign substances called antigens.

Blood, Types and ABO Testing

Blood groups explained, and how your blood works to provide life to your entire body. Understand donor compatibility and classification.

Serological Testing

Serological tests are diagnostic methods that are used to identify antibodies and antigens in a patient's samples. Serological tests may be performed to diagnose...