Compound heterozygosity for Hb S [beta6(A3)GluVal, GAG-->GTG] and a new thalassemic mutation [beta132(H10)Lys-->term, AAA-->TAA] detected in a family from West Africa.

Abstract excerpt

We describe a Hb S/beta-thalassemia (beta-thal) mutation involving an AT transition at codon 132 of the beta-globin gene. The mutation, in the heterozygous state, unlike several other mutations in exon 3, shows no signs of dominant thalassemia but those of a typical beta(0) carrier. Compound heterozygosity with Hb S [beta6(A3)GluVal, GAGGTG] showed a severe clinical picture.

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