Dystrophin is a rod-shaped cytoplasmic protein, and a vital part of a protein complex that connects the cytoskeleton of a muscle fiber to the surrounding extracellular matrix through the cell membrane. This complex is variously known as the costamere or the dystrophin-associated protein complex.he dystrophin gene is one of the longest human genes known, covering 2.5 megabases (0.08% of the human genome) at locus Xp21.
Bethesda is a census-designated place in southern Montgomery County, Maryland, just northwest of the United States capital of Washington, D.C. It takes its name from a local church, the Bethesda Meeting House (1820, rebuilt 1849), which in turn took its name from Jerusalem 's Pool of Bethesda.
Washington DC is the capital city of the United States of America (USA). D.C. stands for the District of Columbia which is the federal district containing the city of Washington. The city is named for George Washington, military leader of the American Revolution and the first President of the United States.he District of Columbia and the city of Washington are coextensive and are governed by a single municipal government, so for most practical purposes they are considered to be the same entity. It is known locally as the District or simply D.C. Historically, it was called the Federal City.