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내용필수	웹에디터 시작 > > > <p>Until the 1980s, little was known about the cause of any of the forms of muscular dystrophy. In 1986, MDA-supported researchers identified a gene on the X chromosome that, when flawed (mutated), causes Duchenne, Becker, and intermediate forms of muscular dystrophy. Genes contain codes, or recipes, for proteins, which are important biological components in all forms of life. In 1987, the protein associated with the DMD gene was identified and <a href="https://jetforums.net/proxy.php?link=https://clashofcryptos.trade/wiki/Case_Study:_The_Impact_Of_Prime_Boost_Enhancement_On_Male_Performance">Prime Boosts Pills</a> named dystrophin. The DMD gene is the largest gene in humans and is located in the short arm of the X chromosome, in the Xp21.2 locus (a locus is the position of a gene on a chromosome). The majority of mutations of the DMD gene are deletions of one or more parts of it. DMD occurs because the mutated DMD gene fails to produce adequate amounts of functional dystrophin. Individuals with BMD genetic mutations make partially functional dystrophin, which somewhat protects their muscles from degenerating as severely or as quickly as in DMD.</p><br/><br/><span style="display:block;text-align:center;clear:both"><iframe width="640" height="360" src="https://www.youtube.com/embed/YFbdukrZZHc?modestbranding=1&controls=0" frameborder="0" allowfullscreen title="Old Man Powerlifter At Muscle Beach - Anatoly GYM PRANK (c) by ANATOLY"></iframe></span><p>During a muscle cell contraction, the dystrophin protein transfers the force of muscle contraction from the inside of the muscle cell outward to the cell membrane. Because it connects the center of the muscle cell to the edge of the cell, the dystrophin protein is extremely long. One end is specialized for linking to the muscle cell interior and <a href="http://idrinkandibreakthings.com/index.php/User:AracelyTruitt34">Prime Boosts Pills</a> the other end is specialized for linking to a variety of proteins at the cell membrane. The long middle section, called the rod domain, is taken up by a series of repeating units called spectrin-like repeats. Many cases of DMD are caused by mutations in the part of the gene that encodes this middle section. Production of the entire protein stops when the mutation is encountered. The absence of dystrophin sets in motion a cascade of harmful effects. Without dystrophin, muscles are more susceptible to injury during contraction, which triggers inflammation.</p><br/><br/><p>Over time, chronic inflammation causes fibrous and fatty tissue to replace healthy muscle, severely compromising muscle function. Beyond its role in force-transfer, dystrophin also acts as a scaffold that anchors numerous molecules in place near the cell membrane. Loss of dystrophin disrupts the positioning of these molecules, which consequently disrupts their functions. An example of a functional disruption that occurs in DMD is the decrease of blood flow to muscles. Ultimately, lack of dystrophin causes muscle damage and progressive weakness, beginning in early childhood. DMD is inherited in an X-linked pattern because the gene that can carry a DMD-causing mutation is on the X chromosome. Every male has an X chromosome from his mother and a Y chromosome from his father. Females get two X chromosomes, one from each parent. Each son born to a female with a > > 웹 에디터 끝
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