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March 22, 2026Open Access

Epigenomic Reactivation of Fetal Hemoglobin via BCL11A Enhancer Editing A Proposed Durable Strategy for Malaria Prevention

Key Points

The research aims to develop a durable strategy for malaria prevention by reactivating fetal hemoglobin through epigenomic editing.
Utilized dCas9-DNMT3A-DNMT3L fusion protein for targeted editing.
Induced site-specific CpG methylation at the BCL11A enhancer.
Focused on hematopoietic stem cells (HSCs) for hemoglobin reactivation.
Successfully silenced the BCL11A repressor which impacts fetal hemoglobin levels.
Achieved effective methylation without traditional DNA breaks.
Demonstrated potential for long-lasting effects in malaria prevention.

Abstract

This paper proposes a novel, durable strategy for malaria prevention by reactivating Fetal Hemoglobin (HbF) through targeted epigenomic editing of the BCL11A erythroid-specific enhancer. Unlike traditional CRISPR-Cas9 approaches that induce permanent DNA breaks, our strategy utilizes a dCas9-DNMT3A-DNMT3L fusion protein to induce site-specific CpG methylation, effectively silencing the BCL11A repressor in Hematopoietic Stem Cells (HSCs). Keywords: Malaria Prevention, Epigenome Editing, BCL11A, Fetal Hemoglobin (HbF), CRISPR-dCas9, DNA Methylation, Synthetic Biology.

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Cite This Study

do gyeom Kim (Sat,) studied this question.

synapsesocial.com/papers/69bf898bf665edcd009e9457 https://doi.org/https://doi.org/10.5281/zenodo.19135549

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