Abstract
This report is concerned with the evaluation of hematological parameters and the percentage level of the abnormal hemoglobin (Hb) G San Josè as found in 4 heterozygous carriers from a family of Sicilian origin. Biosynthetic studies and in vitro recombination experiments strongly indicate that abnormal beta chains are synthesized at lower rate than beta A chains and exhibit a minor affinity (relative to beta A chains) for complementary chains in a condition of relative aA chain deficiency. The possibility that the low affinity of beta G chains for a chains may play a decisive role in controlling the level of the abnormal Hb in the peripheral blood of the present non-a-thalassemic abnormal Hb carriers is therefore discussed.
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