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Genetic and Rare Diseases Information Center (GARD)


Other names people use for this condition
  • Thalassemia major
  • Beta thalassemia major
  • Cooley's anemia
  • Thalassemia intermedia
  • Beta thalassemia intermedia
  • Thalassemia minor
  • Beta thalassemia minor
  • Erythroblastic anemia
  • Mediterranean anemia



Beta-thalassemia
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Beta-thalassemia is a blood disorder that reduces the production of hemoglobin. Without sufficient hemoglobin, red blood cells do not develop normally, causing a shortage of mature red blood cells, leading to anemia and other health problems. Severe beta-thalassemia is called “thalassemia major” or “Cooley’s anemia.” Thalassemia intermedia is the less severe form. Mutations in the HBB gene cause beta-thalassemia. This condition is usually inherited in an autosomal recessive fashion, which means people with beta thalassemia have mutations in both of their HBB genes. People who have only one HBB mutation may have no symptoms or develop mild symptoms; these individuals are said to have thalassemia minor.[1]


References
  1. Beta thalassemia. Genetic Home Reference. July 2009 Available at: http://ghr.nlm.nih.gov/condition/beta-thalassemia. Accessed July 7, 2011.
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