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. 2010 Sep;42(9):742-4.
doi: 10.1038/ng.637. Epub 2010 Aug 1.

KLF1 regulates BCL11A expression and gamma- to beta-globin gene switching

Dewang Zhou  1 , Kaimao Liu, Chiao-Wang Sun, Kevin M Pawlik, Tim M Townes
Affiliations

KLF1 regulates BCL11A expression and gamma- to beta-globin gene switching

Dewang Zhou et al. Nat Genet. 2010 Sep.

Abstract

We show that knockdown of KLF1 in human and mouse adult erythroid progenitors markedly reduces BCL11A levels and increases human gamma-globin/beta-globin expression ratios. These results suggest that KLF1 controls globin gene switching by directly activating beta-globin and indirectly repressing gamma-globin gene expression. Controlled knockdown of KLF1 in adult erythroid progenitors may provide a method to activate fetal hemoglobin expression in individuals with beta-thalassemia or sickle cell disease.

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