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Hemoglobin
international journal for hemoglobin research
Volume 14, 1990 - Issue 1
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Original Article

β-Thalassemia in Yugoslavia

, , , , , , , , , , & show all
Pages 15-24 | Received 01 Dec 1989, Accepted 18 Jan 1990, Published online: 07 Jul 2009
 

Abstract

This study concerned the evaluation of β-thalassemia alleles in nearly 50 patients with β-thalassemia major and in 130 -thalassemia heterozygotes using gene amplification and dot-blot hybridization with synthetic probes. Fourteen different mutations were observed (Table I); of these, three (IVS-I-110; IVS-I-6; IVS-I-1) account for some 75% of all β-thalassemia alleles. Newly discovered variants, i.e. T ↣ C in the initiation codon and AATAAA ↣ AATGAA in the poly A site were observed in a few patients. the poly A mutation with classicall β-thalassemia alleles result in thalassemia intermedia. Hb Lepore is a rather common abnormality and combinations of this variant with β-thalassemia often result in severe disease; a search for β-thalassemia mutations among patients affected with this disease should include an analysis to detect this hemoglobin abnormality.

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