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A single nucleotide polymorphism in the HBBP1 gene in the human β-globin locus is associated with a mild β-thalassemia disease phenotype.

Hemoglobin. 2012;36(5):433-45. doi:10.3109/03630269.2012.717515
Emily Giannopoulou 1 , Marina Bartsakoulia , Christina Tafrali , Alexandra Kourakli , Konstantinos Poulas , Eleana F Stavrou , Adamantia Papachatzopoulou , Marianthi Georgitsi , George P Patrinos
Emily Giannopoulou 1 , Marina Bartsakoulia , Christina Tafrali , Alexandra Kourakli , Konstantinos Poulas , Eleana F Stavrou , Adamantia Papachatzopoulou , Marianthi Georgitsi , George P Patrinos
+ et al

[No authors listed]

Author information
  • 1 Laboratory of Molecular Biology and Immunology, Department of Pharmacy, School of Health Sciences, University of Patras, University Campus, Rion, Patras, Greece.

摘要


The rs2071348 (g.5264146A>C) polymorphism on the HBB pseudogene, namely HBBP1, previously emerged as a variant significantly associated with a milder disease phenotype in Asian β(0)-thalassemia/hemoglobin (Hb) E (β(0)-thal/Hb E [β26(B8)Glu→Lys, GAG>AAG]) patients. In this study, we aimed to explore the possible association of rs2071348 with β-thalassemia (β-thal) disease severity in a group of β-thal major (β-TM) patients (severe phenotype) and β-thal intermedia (β-TI) patients (mild phenotype) of Hellenic origin and compare the results with normal (non thalassemic) individuals of the same origin. In addition, we explored whether this single nucleotide polymorphism (SNP) can be exploited as a pharmacogenomic marker to predict the outcome of Hb F-augmenting therapy in β-thal patients receiving hydroxyurea (HU). Our data suggest that the rs2071348 polymorphism is associated with higher Hb F levels and a milder β-thal disease phenotype. However, the rs2071348 polymorphism in the HBBP1 gene does not correlate with response to HU treatment.

基因