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Marfin Syndrome

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Marfan syndrome

Marfan syndrome is an inherited disorder of the connective tissue that causes abnormalities of a person eyes, cardiovascular system, and musculoskeletal system. It is named for the French pediatrician, Antoine Marfan (1858-1942), who first described it, in 1896 [1]. Marfan syndrome affects three major organ systems of the body, the first is the heart and circulatory system, second is the bones and muscles, and finally the eyes. The mutation is responsible for the production of the fibrillin, which is a protein that is an important part of connective tissue. Fibrillin is the primary component of the micro fibrils that allow tissues to stretch repeatedly without weakening. Because the fibrillin is abnormal, connective tissues are looser than usual, which weakens or damages the support structures of the entire body [2].
Common external signs associated with Marfan syndrome include excessively long arms and legs, with the arm span being greater than the person’s height. The fingers and toes may be long and slender, with loose joints that can be bent beyond their normal limits. This unusual flexibility is called hypermobility. The face may also be long and narrow, and may have a noticeable curvature of the spine. May also have unexplained stretch marks or dislocated lens in the eyes [3].
It is estimated that in the United States alone, about 200,000 people are affected with Marfan syndrome and other connective tissue disorders [3]. When a parent has a mutated gene of Marfan syndrome “the chances of his/her child inheriting the disorder is 50%” [4]. If the mother has the gene chances of the child getting it is 50%, and same goes if the father had the gene.

Reference
1) http://en.wikipedia.org/wiki/Marfan_syndrome
2) http://www.marfan.org/marfan/2416/Cause/
3) http://www.marfan.org/marfan/2320/Features/
4) http://www.marfan.org/marfan/2665/Life-Expectancy

works cited
5) http://www.yourgenesyourhealth.org/marfan/inherited.htm

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