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December 8, 2025Blood

Silencing of BCL11A by disrupting enhancer-dependent epigenetic insulation

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Authors

JLJun Yi Stanley LimXGXiaofei GaoYCYong Cheng

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Overview

CRISPR-mediated editing improved fetal hemoglobin levels in sickle cell disease and β-thalassemia, suggesting novel therapeutic targets.

Key Points

  • This research aims to explore how enhancer-dependent epigenetic insulation affects BCL11A transcription during hematopoiesis.
  • Employ CRISPR/Cas9 to disrupt BCL11A enhancer regions in erythroid cells.
  • Analyze the enhancer landscape and epigenetic states linked to BCL11A.
  • Utilize Capture Pore-C for chromatin conformation capture in hematopoietic cell lineages.
  • Demonstrated that disrupting BCL11A enhancers alters 3D chromatin structure.
  • Identified enhancer RNAs that facilitate interactions between enhancers and promoters.
  • Showed that antisense oligonucleotide-mediated depletion of eRNAs leads to BCL11A silencing.

Cite This Study

Lim et al. (2025) studied this question.

synapsesocial.com/papers/69362f364fa91c937236d301https://doi.org/10.1182/blood-2025-732
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Targeted disruption of BCL11A ZnF4 enhances fetal hemoglobin in β-thalassemia and sickle cell disease: A druggable approach2025
  2. 2Targeting transcription factors associated with hemoglobinopathies: Lessons from successful interventions and implications for cancer2026
  3. 3Recapitulating HPFH by CRISPR-Cas9 editing of γ-globin regulators to reactivate γ-globin expression2025
  4. 4Optimizing Bcl11b timing enhances natural killer cell differentiation and cytotoxicity from human pluripotent stem cells for effective immunotherapy2025 · 1 citations
  5. 5A genome-wide CRISPR activation screen identifies novel γ-globin regulators2025