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Hemoglobin
international journal for hemoglobin research
Volume 11, 1987 - Issue 4
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Original Article

Oligonucleotide Screening of β Thalassemia Mutations in the South East of France

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Pages 317-327 | Published online: 07 Jul 2009
 

Abstract

France is a non-endemic region for β thalassemia. In this country, the sporadic cases of Cooley's disease encountered affect almost constantly subjects of Mediterranean origin.

In this report, we have screened, using oligonucleotide probes, the distribution of the main β thalassemia mutations present in the population of South-eastern France whose origins lie in the mixing of several Mediterranean ethnic groups. Among 105 β thalassemia chromosomes, we have observed a limited number of alleles, since, by using oligonucleotide probes for six mutations, we have characterized the molecular defect in 90 % of the chromosomes. The four main mutations were found in more than 85 % of the chromosomes and the others in about 5 %. The distribution of the β thalassemia mutations within the various ethnic groups was determined.

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