Gene Therapy Treatment

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Characteristic diseases caused by Gene mutations that code these products


Gene product Disease & symptoms Current therapy
Adenosine deaminase Severe combined
immunodeficiency.
Loss of T & B cells
Bone marrow transplant, adenosine deaminases replacement.
LDL-receptor Familial hyper cholesterolemia, elevated blood serum cholesterol level, coronary artery disease Diet, drugs, liver transplant
Glucocerebrosidase Gaucher disease, Accumulation of glucocerebroside in macrophages causing liver, spleen and bone damage. Symptomatic treatment, removal of spleen. Antibiotics, repairing bone damage, bone marrow transplantation, enzyme replacement.
Blood clotting Factor VIII Hemophilia A, altered plasma protein that causes defective blood clotting, chronic internal bleeding into joints, excessive bleeding after wounding. Concentration of factor VIII by transfusion. Requires continuous treatment. Risk of viral infections from transfusions.
Phenylalanine hydroxylase Phenylketonuria. Excess phenylalanine in the blood stream of newborns causes mental retardation Restriction of dietary phenylalanine
α-Antitrypsin Emphysema. Deficiency of serum protein protease inhibitor, damage to lungs, cirrhosis of the liver Replacement therapy, lowering environmental risks.
Cystic fibrosis transmembrane regulator Cystic fibrosis multi-system disease, pancreatic insufficiency in some cases, intestinal blockage, blocked airways of the lung. Antibiotics, physical clearing of the lungs, upgrading diet.
Ornithine transcarbamylase Hyperammonemia urea cycle defects, ammonia accumulation, arginine deficiency. Restricted protein diet, arginine supplemented diet, drugs, liver transplant.
Dystrophin Duchenne muscular dystrophy (DME). Progressive muscle wasting. Only supportive treatments, good nutrition.
β-globin Sickle cell disease chronic anemia, multi-system disease, damage to spleen, heart, kidneys, liver and brain. Blood transfusions, drugs, analgesics, bone marrow transplant.

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