Cystic Fibrosis Essay

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Desiree Smith 30104997 Cystic Fibrosis Cystic Fibrosis is an inherited disease characterized by the buildup of thick, sticky mucous that can cause severe damage to the body’s organs. Mucous is usually a slippery substance that lubricates and protects the linings of the airway, digestive system, reproductive system and other organs and tissue. Problems with digestion can lead to diarrhea, malnutrition, poor growth, and weight-loss. Due to the abnormally thick mucous it can can clog airways, leading to breathing problems and bacterial infections in the lungs. Bacterial infections can lead to coughing, wheezing and inflammation. Overtime these infections can lead to permanent damage in the lungs including the formation of scar tissue, known as fibrosis and cysts in the lungs (Genetics Home Reference, 2013). The symptoms and signs of this disease vary but mostly include progressive damage to the respiratory system and chronic digestive system problems. An individuals’ lungs who are infected by cystic fibrosis have bacteria from an early stage. This bacteria can spread to the small airways, leading to the formation of bacterial micro-environments known as biofilms. Biofilms are difficult for antibodies to penetrate, therefore the bacteria repeatedly damage the lung and gradually remodel the airways, resulting in difficultly to eradicate the infection (Welsh, 1995). Cystic fibrosis patients may even have their airways chronically colonized be filamentous fungi and/or yeasts. Most men with cystic fibrosis have congenital bilateral absence of the vas deferens (CBAVD), a condition in which the tubes that carry sperm are blocked by mucous and do not develop properly. As well, women may experience complications in pregnancy. Either the c... ... middle of paper ... ...nted as 7q31.2 (Welsh, 1995). Chronic illness can be very difficult to manage. Cystic fibrosis is the most common life-limiting autosomal (not sex-linked) recessive disease among Caucasian heritage. Although technically a rare disease, it is ranked as one of the most wide spread life-shortening genetic diseases. It is most common among nations in the Western world minus the exception of Finland but it is equally diagnosed between male and female. REFERNCES Genetics Home Reference, (2013) Cystic Fibrosis. Retrieved from ghr.nlm.nih.gov/condition/cystic-fibrosis Human Genome Project Information, (2003) CFTR: The Gene Associated with Cystic Fibrosis. Retrieved from www.ornl.gov/sci/techresources/Human_Genome/posters/chromosome/cftr.shtml Welsh, M.J., Smith, A.E., (1995) Cystic Fibrosis. Retrieved from www.msu.edu/~luckie/cfarticle.html

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