Abstract
ABSTRACTObjective: To date in Italy, there is paucity on data about the prevalence, clinical and haematological features of patients carrying the haemoglobin (Hb) Lepore variant in homozygous or in association with other haemoglobinopathies.Methods: Here we report the results of a retrospective analysis on 33 patients from Campania, a region of Southern Italy, historically followed at ‘UOSD Malattie Rare del Globulo Rosso’ of Cardarelli hospital, Naples, Italy.Results: We described 33 patients carrying the Hb Lepore variant: 21 compound heterozygotes with a common thalassaemia allele, six patients with homozygous state for Hb Lepore, five patients with Hb Lepore/Hb S and one patient with Hb Lepore/Hb Neapolis were identified. All individuals carried haplotype I or V.Discussion: These thalassaemic patients showed different phenotypes ranging from severe disease with early blood transfusion dependency to moderate form of thalassaemia intermedia. In most cases, thalassaemia mutation type determined the severity of the disease.Conclusion: A great variability of clinical phenotype among the same genotypes was also observed suggesting the presence of unknown genetic modifiers acting in combination with Hb Lepore.
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