Causes. In cystic fibrosis, a defect (mutation) in a gene changes a protein that regulates the movement of salt in and out of cells. The result is thick, sticky mucus in the respiratory, digestive and reproductive systems, as well as increased salt in sweat.Many different defects can occur in the gene.n cystic fibrosis, a defect (mutation) in a gene changes a protein that regulates the movement of salt in and out of cells. The result is thick, sticky mucus in the respiratory, digestive and reproductive systems, as well as increased salt in sweat. Many different defects can occur in the gene.
Welcome to the City of Mount Holly. The City of Mount Holly, NC is located in northeastern Gaston County. Our beautiful city is situated west of Catawba River with a culturally and historically rich community and a thriving economy. Mount Holly is a wonderful place to visit or those who are looking for the perfect place to relocate a business or call home.
Mount Pleasant, South Carolina. 1  South Carolina Charleston County Mount Pleasant. 2  Mount Pleasant is located on South Carolina's central coast, just east of Charleston. It was founded in 1680 and is the home of Shem Creek (known for its shrimp boats and seafood restaurants) and the Patriots Point Naval and Maritime Museum.