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Related Experiment Video

Updated: Nov 19, 2025

CRISPR/Cas9 Gene Editing of Hematopoietic Stem and Progenitor Cells for Gene Therapy Applications
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Using genome editing to engineer universal platelets.

Moyra Lawrence1,2, Annett Mueller1,2, Cedric Ghevaert1,2

  • 1Department of Haematology, University of Cambridge and NHS Blood and Transplant, Long Road, Cambridge CB2 0PT, U.K.

Emerging Topics in Life Sciences
|February 1, 2021
PubMed
Summary
This summary is machine-generated.

Genome editing advances regenerative medicine by creating universal platelets through beta-2 microglobulin deletion. This ensures a stable, quality-controlled supply for patients needing transfusions.

Keywords:
genome editingimmune responseinduced pluripotent stem cellsmegakaryocytesplatelet adhesion and activation

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Area of Science:

  • Regenerative Medicine
  • Cellular Therapy
  • Genomics

Background:

  • Genome editing tools like CRISPR/Cas9 offer revolutionary potential in cellular therapy.
  • Regenerative medicine aims to generate clinical-ready cellular products through large-scale, quality-controlled cell editing.

Purpose of the Study:

  • To review progress in generating HLA Class I null platelets via genome editing for universal transfusion.
  • To discuss methods for human pluripotent stem cell-derived megakaryocyte (MK) and subsequent platelet production.
  • To explore how MK differentiation cultures advance understanding of megakaryopoiesis and bleeding disorders.

Main Methods:

  • Utilizing genome editing technologies (zinc finger nucleases, TALENs, CRISPR/Cas9) for beta-2 microglobulin deletion.
  • Employing human pluripotent stem cells for megakaryocyte differentiation and platelet generation.
  • Optimizing differentiation systems for large-scale, quality-controlled platelet production.

Main Results:

  • Generation of HLA Class I null platelets, a universally transfusable product.
  • Advancement in methods for producing platelets from megakaryocytes derived from pluripotent stem cells.
  • Development of optimized differentiation systems for universal platelet production.

Conclusions:

  • Genome editing enables the creation of universal platelets, addressing transfusion challenges for difficult-to-match patients.
  • This approach provides a stable supply of quality-controlled platelets, particularly for regions with disease concerns or unpredictable availability.
  • Understanding megakaryopoiesis through MK differentiation aids in treating bleeding disorders and MK maturation deficiencies.