ArticleBlood advances2026
Comparative analysis of CRISPR-Cas9, lentiviral transduction, and base editing for sickle cell disease in a murine model.
Article in Blood advances, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Targeted Nanoparticle Delivery CRISPR/Cas9: overcoming biological barriers, enhancing stability, and improving therapeutic precision.International journal of pharmaceutics: X · 2026Review
- Gene Therapy of Beta Hemoglobinopathies.Biomedicines · 2025Review
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Authors and funding
18 authors.
Funding
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Abstract
abstractSickle cell disease (SCD) is a red blood cell disorder caused by a mutation in the β-globin gene, leading to sickle hemoglobin polymerization under low oxygen conditions. Both CRISPR-Cas9 editing and lentiviral transduction have shown promising clinical outcomes, but it remains unclear which approach is superior. Alternatively, new editing tools such as base editing may also be promising and reduce risks of genotoxicity. To compare these approaches, we studied them in an immunocompromised mouse model. We optimized ex vivo conditions in CD34+ hematopoietic stem and progenitor cells (HSPC) and infused edited SCD HSPC into busulfan-conditioned nonirradiated NOD,B6.SCID Il2rγ-/-KitW41/W41 (NBSGW) mice. Ex vivo analysis confirmed successful editing and transduction. At 16 weeks, bone marrow analysis showed similar human CD45+ cell engraftment across all groups (75%-90%). In the competitive transplantation group, there was a lower amount of B-cell lymphoma/leukemia 11A enhancer editing than base editing and lentiviral transduction. A secondary transplantation model yielded similar results. An antisickling assay showed significantly higher red blood cell sickling reduction in the base editing, transduction, and competitive transplantation groups compared to CRISPR-Cas9. In conclusion, although all methods showed therapeutic potential, base editing and lentiviral transduction provided superior outcomes over CRISPR-Cas9-mediated editing in a competitive murine transplantation model.
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