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Updated: Jul 17, 2025

CRISPR/Cas9 Gene Editing of Hematopoietic Stem and Progenitor Cells for Gene Therapy Applications
Published on: August 9, 2022
Gene Therapy for Hemoglobinopathies.
Maria Rosa Lidonnici1, Samantha Scaramuzza1, Giuliana Ferrari1,2
1San Raffaele-Telethon Institute for Gene Therapy (SR-TIGET), San Raffaele Scientific Institute, Milan, Italy; and.
Genetic therapies are advancing for blood disorders like beta-thalassemia and sickle cell disease. Ex vivo gene therapy using engineered stem cells offers new hope for patients with these severe hemoglobinopathies.
Area of Science:
- Hematology
- Genetics
- Molecular Biology
Background:
- Beta-thalassemia and sickle cell disease are severe, inherited blood disorders affecting red blood cells.
- These autosomal recessive conditions result from mutations in the adult beta-globin gene and have global prevalence.
- Current treatments like bone marrow transplantation are limited, creating a significant unmet medical need.
Purpose of the Study:
- To review the development of ex vivo gene therapy for hemoglobinopathies.
- To discuss clinical trial outcomes and emerging gene editing technologies.
Main Methods:
- Review of ex vivo gene therapy development processes.
- Analysis of clinical trial data for gene therapy in hemoglobinopathies.
- Examination of novel gene editing tools like CRISPR-Cas9.
Main Results:
- Ex vivo gene therapy development has progressed significantly.
- Clinical trials show promise for engineered autologous hematopoietic stem cells.
- Advanced gene editing tools are enhancing therapeutic approaches.
Conclusions:
- Ex vivo gene therapy represents a promising avenue for treating beta-thalassemia and sickle cell disease.
- Engineering autologous hematopoietic stem cells offers a potentially curative strategy.
- Cutting-edge gene editing technologies are poised to revolutionize hemoglobinopathy treatment.
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