Complexity of the alpha-globin genotypes identified with thalassemia screening in Sardinia.

Abstract excerpt

α-Thalassemia commonly results from deletions or point mutations in one or both α-globin genes located on chromosome 16p13.3 giving rise to complex and variable genotypes and phenotypes. Rarely, unusual non-deletion defects or atypical deletions down-regulate the expression of the α-globin gene. In the last decade of the program for β-thalassemia carrier screening and genetic counseling in Sardinia, the...

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