The connective tissue in our body glide bys us from falling apart. The familiar tendon and our ligaments also keep all our bones and muscles together. Like the aorta, which has elastic fibres and keeps it soft and gristly just like other connective tissue, which argon to a greater extent obscure. Marfan syndrome causes peoples to have loose tendons and ligaments, there is less elasticity in the aorta and they also have longer arms and legs. All these characteristics are caused by a mutation in a maven gene on chromosome 15. This gene is named FBN1, for the protein it encodes, fibrillin-1.
The composition of the protein determines the precise order of the Gs, As, Ts and Cs. The gene produces lots of copies of the fibrillin protein, and these join together with other different components to rule a long, stringy structure called a littlefibrill. For people with Marfan syndrome, a mutation in just one gene changes the forge of the fibrillin protein and most are single letter changes that lead to this change. The irregular-shaped proteins thence assemble into an irregularly shaped microfibrill. Microfibrill show up in all kinds of connective tissues, but for people with Marfan syndrome, the micro fibrils in the aorta are most important in the wall of the aorta. The micro fibrils combine with elastic fibres to make it stretchy....If you want to get a full essay, order it on our website: Ordercustompaper.com
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