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Cystic Fibrosis

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Jessica Wallace

on 19 April 2010

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Transcript of Cystic Fibrosis

CYSTIC FIBROSIS SIGNS AND SYMPTOMS Very salty tasting skin
Persistant coughing
Frequent lung infections
wheezing or shortness of breath
unable to gain weight, even with good appetite
poor growth
frequent greasy, bulky stools or difficulty in bowel movements
FREQUENCY almost 1,000 cases of CF are diagnosed each year.
Over 70% of patients are diagnosed by the age of 2.
More than 45% of the CF patients in the world are 18 or older.
The average age of survival for a person with CF is 37.
There is about 30,000 CF patients in the United States.
Cystic Fibrosis affects both males and females of all races but is most commonly found in caucasions whos ancestors came from Northern Europe.
Approximatly 1 in every 3,000 babies born in the U.S. has CF. TREATMENTS AND WAYS TO STOP CF Genetic Carrier Testing-over 10 million americans are carriers of the defective cystic fibrosis gene. A child must inherit one defective CF gene from each parent to have Cystic Fibrosis. Genetic carrier testing can help detect carriers of CF, that could pass on the gene to their children . It is important for 2 carriers that have the cf gene not to have children because there is a 25% chance that the child will have CF, and a 50% chance that the child will be a carrier of the gene. Newborn Screening- Children screened shortly after birth can benefit from early diagnosis and treatment. Early treatment can improve growth, lung function, reduce hospital stays and give more years of life to children with CF. Sweat test-If a person has symptoms of Cystic Fibrosis, a doctor may perform a sweat test. A sweat test is one of the easiest ways to test for CF. A sweat test measures the the concentration of salt in a persons sweat. A very high level of salt indictaes Cystic Fibrosis. Most CF patients try to use Chest physical theropy (chest clapping or percussion). It involves repeatedly pounding on the chest to loosen up the mucus in the lungs. Also patients use techniques to provoke strong coughing to clear mucus out of airways. Transmission Cystic Fibrosis is an Autosomal Recessive Genetic Disorder which means it is autosome related and not sex linked. The gene is inherited from each parent. If the gene is only inherited from one parent the child is a carrier because the CF gene is recessive.The CF gene is found on chromosome 7 and is caused by the mutation Delta F508 History of Cystic Fibrosis CF is very old disease. In European Folklore there are tales of mothers licking their childrens' foreheads to see if they were salty. Cystic Fibrosis of the pancreas was named a definite clinical entity in 1938 by Dr. Dorothy Hansine Andersen. CF was recognized to be a generalized disease and made the term 'mucoviscidosis' in 1943. WHATS NEW? Gene Theropy- A faulty gene causes CF, so adding normal copies of the gene to cells could correct these cells and hopefully some day cure the disease.
Nutrition-Vitamins and enzymes that increase both fat and vitamin absorption can be given to CF patients, giving them better nutrition. CF patients can become malnourished as a result of the thick mucus clogging the pancreas.
Transplantation-Inhaled CyclosporineOne is a potential drug that is being evaluated for its ability to reduce the chance of organ rejection, which is common after transplantation.




Works Cited
http://www.daviddarling.info/encyclopedia/C/cystic_fibrosis.html
http://www.labtestsonline.org/understanding/conditions/cystic_fibrosis.html
http://www.cff.org/
http://wiki.answers.com/Q/What_type_of_mutation_causes_cystic_fibrosis
http://www.cystic-fibrosis-symptom.com/cystic_fibrosis_history.htm
http://www.fountia.com/who-discovered-cystic-fibrosis
Jessica waLLace. 1st pd. BioLoGY
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