Alpha-thalassemia

Causes

What gene change causes alpha-thalassemia?

Alpha-thalassemia is caused by deletions or mutations in the HBA1 and/or HBA2 genes, meaning pieces of the gene are missing or changed. Both of these genes tell the body to make a protein called alpha globin, which is a component of hemoglobin. Hemoglobin is the protein in red blood cells responsible for carrying and delivering oxygen to cells throughout the body.

Alpha thalassemia. (2009). Genetics Home Reference. https://ghr.nlm.nih.gov/condition/alpha-thalassemia

Origa, R., Moi, P., Galanello, R., & Cao, A. (2013). Alpha-Thalassemia. GeneReviews at GeneTests Medical Genetics Information Resource (database online). Copyright, University of Washington, Seattle. 1997-2013. Available at http://www.genetests.org. Accessed (2/29/2016).

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