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Type: Artigo
Title: Reduced rate of sickle-related complications in Brazilian patients carrying HbF-promoting alleles at the BCL11A and HMIP-2 loci
Author: Leonardo, Flávia C
Brugnerotto, Ana F
Domingos, Igor F
Fertrin, Kleber Y
Albuquerque, Dulcinéia M de
Bezerra, Marcos A C
Araújo, Aderson S
Saad, Sara T O
Costa, Fernando F
Menzel, Stephan
Conran, Nicola
Thein, Swee Lay
Abstract: The presence of high levels of fetal haemoglobin (HbF) provides well-validated clinical benefits to patients with sickle cell anaemia (SCA). Nevertheless it has been difficult to show clear direct effects of the known genetic HbF modifiers, such as the enhancer polymorphisms for haematopoietic transcription factors BCL11A and MYB, on SCA severity. Investigating SCA patients from Brazil, with a high degree of European genetic admixture, we have detected strong effects of these variants on HbF levels. Critically, we have shown, for the first time, that the presence of such HbF-promoting variants leads to a reduced rate of SCA complications, especially stroke.
Subject: Proteína BCL11a humana
Country: Reino Unido
Editor: Wiley
Rights: Fechado
Identifier DOI: 10.1111/bjh.13961
Date Issue: 2016
Appears in Collections:FCM - Artigos e Outros Documentos

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