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High Level of Heterozygous Haplotype of Hemoglobin in Abidjan

Article scientifique 2021 Anglais

Résumé

Abstract Background. Sickle cell disease (SCD) is an hemoglobin disorder that concerns 300,000 newborns each year around the world. Hemoglobin haplotypes can modulate SCD clinical expression. In Côte d’Ivoire, no study has yet investigated the distribution of hemoglobin haplotypes in the population. The goal of this study was to identify hemoglobin haplotypes for people attending dispensary with mild malaria in Abidjan (Ivory Coast) independently of their SCD status. Methods To determine haplotypes, specific restriction enzyme (RE) method is used after PCR amplification with different couples of primers. According to the digestion profile of PCR products, five hemoglobin haplotypes are found over the world. ResultsIn Abidjan, four different “classical” haplotypes of hemoglobin were detected: Benin (56.5%), Bantou (28.5%), Senegal (4%), Cameroun (1%). In parallel 10% of atypical profiles were described. Heterozygous haplotype (69%) was more frequent than homozygous haplotype (31%). ConclusionsBenin haplotype usually associated with more severe of SCD symptoms was predominant in the study population. However this preliminary study highlights also a high prevalence of atypical and heterozygous haplotypes in the population.

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Koui, T., Gnondjui, A., ADJI, A., Ako, A., Coulibaly, B., AKA, A., Bi, S., TOURE, A., Jambou, R. (2021). High Level of Heterozygous Haplotype of Hemoglobin in Abidjan. https://doi.org/10.21203/rs.3.rs-776734/v1

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Auteur(s)

Tosséa A. Stéphane Koui Albert Alloh Gnondjui Agbessi Eric ADJI Ako Aristide Berenger Ako Baba Coulibaly A Delpêche AKA Sery Gonedelé Bi Andre Offiana TOURE Ronan Jambou

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