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Journal Article

Identification of the transcription factor MAZ as a regulator of erythropoiesis

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Mann,  Matthias
Mann, Matthias / Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Max Planck Society;

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Citation

Deen, D., Butter, F., Daniels, D. E., Ferrer-Vicens, I., Ferguson, D. C. J., Holland, M. L., et al. (2021). Identification of the transcription factor MAZ as a regulator of erythropoiesis. Blood Advances, 5(15), 3002-3015. doi:10.1182/bloodadvances.2021004609.


Cite as: https://hdl.handle.net/21.11116/0000-0009-4519-E
Abstract
Erythropoiesis requires a combination of ubiquitous and tissue-specific transcription factors (TFs). Here, through DNA affinity purification followed by mass spectrometry, we have identified the widely expressed protein MAZ (Myc-associated zinc finger) as a TF that binds to the promoter of the erythroid-specific human alpha-globin gene. Genome-wide mapping in primary human erythroid cells revealed that MAZ also occupies active promoters as well as GATA1-bound enhancer elements of key erythroid genes. Consistent with an important role during erythropoiesis, knockdown of MAZ reduces alpha-globin expression in KS62 cells and impairs differentiation in primary human erythroid cells. Genetic variants in the MAZ locus are associated with changes in clinically important human erythroid traits. Taken together, these findings reveal the zinc-finger TF MAZ to be a previously unrecognized regulator of the erythroid differentiation program.