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- Title
Molecular nature of alpha-globin genes in the Saudi population.
- Authors
Borgio, J. Francis
- Abstract
Alpha-thalassemia (α-thal) is a disorder caused by the deletion of single or double α-globin genes, and/or point mutations in the α-globin genes. There are 2 common types of α-globin genes; HBA2 and HBA1. Recently, it has been discovered that the HBA2 gene is replaced by a unique HBA12 gene convert in 5.7% of the Saudi population. The α-globin genes have been emerging as a molecular target for the treatment of β-thalassemia (β-thal). Hence, it is essential to understand the molecular nature of α-globin genes to treat the most prevalent hemoglobin disorders, such as sickle cell disease, α-thal, and β-thal prevalent in the Kingdom of Saudi Arabia. Thirty-two different α-globin genotypes have been observed in the Saudi population. This review outlines the classification of the α-globin genes on the basis of their molecular nature and complex combinations of α-globin genes, and their variants predominant in Saudis.
- Subjects
ALPHA-Thalassemia; GENETIC disorders; GLOBIN genes; SICKLE cell anemia; BETA-Thalassemia; POINT mutation (Biology)
- Publication
Saudi Medical Journal, 2015, Vol 36, Issue 11, p1271
- ISSN
0379-5284
- Publication type
Article
- DOI
10.15537/smj.2015.11.12704