Expression of Hb β-T and Hb β-E genes in Eastern India—Family studies
Manju Ajmani Geeta Talukder Archana Sharma D K Bhattacharya
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The distribution patterns of different haemoglobins were observed amongst the family members of β-thalassaemia homozygous and HbE-β-thalassaemia patients with the aid of gel electrophoretic and alkali denaturation techniques. Of the 18 families studied, four belonged to β-thalassaemia homozygous and 14 to HbE-β-thalassaemia patients. Interaction of HbE and β-thalassaemia genes resulted in major clinical abnormalities with increase in the percentages of haemoglobins F and E. The percentages of HbA2 in homozygous β-thalassaemia were within the normal range. Although in Southeast Asia the β° type of HbE-thalassaemia is more prevalent, only one individual with this type of thalassaemia was observed during this survey. In the rest of the patients examined the percentages of adult haemoglobin ranged from 5.2 to 42.5 indicating the presence of a β+ type gene.
Manju Ajmani1 Geeta Talukder1 Archana Sharma1 D K Bhattacharya1 2
Volume 48, 2023
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