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Understanding Your Blood Pressure

More attention is given to systolic blood pressure (the first number) as a major risk factor for cardiovascular disease for people over 50.

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.

Polymerase Chain Reaction (PCR) Testing

The polymerase chain reaction (PCR) is a fast and inexpensive technique used to "amplify" - copy - small segments of DNA to enable testing.

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...