An erythroid enhancer of BCL11A subject to genetic variation determines fetal hemoglobin level

Daniel E. Bauer, Sophia C. Kamran, Samuel Lessard, Jian Xu, Yuko Fujiwara, Carrie Lin, Zhen Shao, Matthew C. Canver, Elenoe C. Smith, Luca Pinello, Peter J. Sabo, Jeff Vierstra, Richard A. Voit, Guo Cheng Yuan, Matthew H. Porteus, John A. Stamatoyannopoulos, Guillaume Lettre, Stuart H. Orkin

Research output: Contribution to journalArticle

279 Citations (Scopus)

Abstract

Genome-wide association studies (GWASs) have ascertained numerous trait-associated common genetic variants, frequently localized to regulatory DNA. We found that common genetic variation at BCL11A associated with fetal hemoglobin (HbF) level lies in noncoding sequences decorated by an erythroid enhancer chromatin signature. Fine-mapping uncovers a motif-disrupting common variant associated with reduced transcription factor (TF) binding, modestly diminished BCL11A expression, and elevated HbF. The surrounding sequences function in vivo as a developmental stage - specific, lineage-restricted enhancer. Genome engineering reveals the enhancer is required in erythroid but not B-lymphoid cells for BCL11A expression. These findings illustrate how GWASs may expose functional variants of modest impact within causal elements essential for appropriate gene expression. We propose the GWAS-marked BCL11A enhancer represents an attractive target for therapeutic genome engineering for the β-hemoglobinopathies.

Original languageEnglish (US)
Pages (from-to)253-257
Number of pages5
JournalScience
Volume342
Issue number6155
DOIs
StatePublished - 2013

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Fetal Hemoglobin
Genome-Wide Association Study
Genome
Hemoglobinopathies
Essential Genes
Chromatin
Transcription Factors
Lymphocytes
Gene Expression
DNA
Therapeutics

ASJC Scopus subject areas

  • General

Cite this

Bauer, D. E., Kamran, S. C., Lessard, S., Xu, J., Fujiwara, Y., Lin, C., ... Orkin, S. H. (2013). An erythroid enhancer of BCL11A subject to genetic variation determines fetal hemoglobin level. Science, 342(6155), 253-257. https://doi.org/10.1126/science.1242088

An erythroid enhancer of BCL11A subject to genetic variation determines fetal hemoglobin level. / Bauer, Daniel E.; Kamran, Sophia C.; Lessard, Samuel; Xu, Jian; Fujiwara, Yuko; Lin, Carrie; Shao, Zhen; Canver, Matthew C.; Smith, Elenoe C.; Pinello, Luca; Sabo, Peter J.; Vierstra, Jeff; Voit, Richard A.; Yuan, Guo Cheng; Porteus, Matthew H.; Stamatoyannopoulos, John A.; Lettre, Guillaume; Orkin, Stuart H.

In: Science, Vol. 342, No. 6155, 2013, p. 253-257.

Research output: Contribution to journalArticle

Bauer, DE, Kamran, SC, Lessard, S, Xu, J, Fujiwara, Y, Lin, C, Shao, Z, Canver, MC, Smith, EC, Pinello, L, Sabo, PJ, Vierstra, J, Voit, RA, Yuan, GC, Porteus, MH, Stamatoyannopoulos, JA, Lettre, G & Orkin, SH 2013, 'An erythroid enhancer of BCL11A subject to genetic variation determines fetal hemoglobin level', Science, vol. 342, no. 6155, pp. 253-257. https://doi.org/10.1126/science.1242088
Bauer, Daniel E. ; Kamran, Sophia C. ; Lessard, Samuel ; Xu, Jian ; Fujiwara, Yuko ; Lin, Carrie ; Shao, Zhen ; Canver, Matthew C. ; Smith, Elenoe C. ; Pinello, Luca ; Sabo, Peter J. ; Vierstra, Jeff ; Voit, Richard A. ; Yuan, Guo Cheng ; Porteus, Matthew H. ; Stamatoyannopoulos, John A. ; Lettre, Guillaume ; Orkin, Stuart H. / An erythroid enhancer of BCL11A subject to genetic variation determines fetal hemoglobin level. In: Science. 2013 ; Vol. 342, No. 6155. pp. 253-257.
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