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Update on Clinical Ex Vivo Hematopoietic Stem Cell Gene Therapy for Inherited Monogenic Diseases

Overview
Journal Mol Ther
Publisher Cell Press
Date 2020 Nov 22
PMID 33221437
Citations 39
Authors
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Abstract

Gene transfer into autologous hematopoietic stem progenitor cells (HSPCs) has the potential to cure monogenic inherited disorders caused by an altered development and/or function of the blood system, such as immune deficiencies and red blood cell and platelet disorders. Gene-corrected HSPCs and their progeny can also be exploited as cell vehicles to deliver molecules into the circulation and tissues, including the central nervous system. In this review, we focus on the progress of clinical development of medicinal products based on HSPCs engineered and modified by integrating viral vectors for the treatment of monogenic blood disorders and metabolic diseases. Two products have reached the stage of market approval in the EU, and more are foreseen to be approved in the near future. Despite these achievements, several challenges remain for HSPC gene therapy (HSPC-GT) precluding a wider application of this type of gene therapy to a wider set of diseases while gene-editing approaches are entering the clinical arena.

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