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Molecular basis of beta (0)-thalassemia/HbE disease in Thailand
S Petmitr1, P Wilairat, J Kownkon
1Department of Biochemistry, Faculty of Science, Mahidol University, Bangkok Thailand.
The molecular basis of beta(0)-thalassemia/HbE disease in 30 Thai patients was investigated using DNA amplification and dot-blot hybridization with a number of allele specific oligonucleotide probes. The mutations identified were 17 cases of 4 base-pair deletion at codons 41-42, 4 cases of amber mutation at codon 17, and one case each of an ochre mutation at codon 35, a single base substitution at position 5 of IVS-1, and a single base substitution at position 654 of IVS-2.
The molecular basis of beta(0)-thalassemia/HbE disease in 30 Thai patients was investigated using DNA amplification and dot-blot hybridization with a number of allele specific oligonucleotide probes. The mutations identified were 17 cases of 4 base-pair deletion at codons 41-42, 4 cases of amber mutation at codon 17, and one case each of an ochre mutation at codon 35, a single base substitution at position 5 of IVS-1, and a single base substitution at position 654 of IVS-2.