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Hematopoietic stem cell collection for sickle cell disease gene therapy
Alexis Leonard1, Mitchell J Weiss
1Department of Hematology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA.
Current Opinion in Hematology
|February 15, 2024
Summary
Gene therapy for sickle cell disease (SCD) shows promise, but challenges in collecting enough hematopoietic stem cells (HSCs) hinder treatment. Improvements in HSC collection are crucial for wider gene therapy access.
Area of Science:
- Hematology
- Gene Therapy
- Cellular Biology
Background:
- Sickle cell disease (SCD) gene therapy is advancing, with recent FDA approvals.
- Current protocols rely on ex vivo modification of autologous hematopoietic stem cells (HSCs).
- SCD complications like bone marrow damage and hydroxyurea use impede HSC collection.
Conclusions:
- Optimizing HSC collection is critical for successful SCD gene therapy.
- Addressing mobilization variability and collection efficiency is essential.
- Enhanced HSC collection strategies will improve gene therapy accessibility for SCD.
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