Marfan Syndrome What Is Marfan Syndrome?

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Marfan syndrome is a condition some people are born with. This condition affects a protein protein (PRO-teen):
Large molecule made up of building blocks called amino acids. Proteins make up the structure of a cell. Proteins are involved in structures, hormones, enzymes, muscle contraction, immune system responses, and other essential life functions. The amino acids involved are generally determined by a gene. in the body that helps build healthy connective tissues. Connective tissues support the bones, muscles, and organs in your body and allow your skin, blood vessels, and ligaments to stretch.

People who have Marfan syndrome may be tall and thin and have long arms, legs, fingers, and toes, as well as flexible joints. The most serious problems happen when the condition affects the heart and blood vessels.

Your healthcare provider may recommend medicines, surgery, or other treatments to manage or prevent complications. Limiting certain activities, or changing how you do them, may help reduce or prevent complications in the heart, eyes, and joints.