Alpha-1 antitrypsin deficiency
An inherited disease that results in low or no production of an important protein, alpha-1 antitrypsin. The lack of this protein leads to damage of various organs, but mainly to the lung and liver. Symptoms may become apparent at a very early age or in adulthood, manifesting either as shortness of breath or liver related symptoms (jaundice, fatigue, fluid in the abdomen, mental changes, or gastrointestinal bleeding). There are several options for treatment of the lung disease, including replacement of the missing protein. Treatment of the liver disease is a well-timed liver transplant | ||||
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Alpha-1-antitrypsin deficiency Definition from Encyclopedia Dictionaries & Glossaries
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Alpha 1-antitrypsin deficiency
Alpha 1-antitrypsin deficiency (A1AD or Alpha-1) is a genetic disorder caused by defective production of alpha 1-antitrypsin, deficient activity in the blood and lungs, and deposition of excessive amounts of abnormal A1AT protein in liver cells. There are several forms and degrees of deficiency. Severe A1A deficiency causes emphysema and/or COPD in adult life in nearly all people with the condition, various liver diseases in a minority of children and adults, and occasionally more unusual problems. It is treated by avoidance of damaging inhalants, by intravenous infusions of the A1AT protein, by transplantation of liver or lungs, and by a variety of other measures, but it usually produces some degree of disability and shortens life.
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