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FBN1 gene, fibrillin 1

The FBN1 gene provides instructions for making a large protein called fibrillin-1. This protein is transported out of cells into the extracellular matrix, which is an intricate lattice of proteins and other molecules that forms in the spaces between cells.

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.

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...