What is the role of gene therapy in the treatment of Wiskott-Aldrich syndrome?

Updated: Apr 28, 2021
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: Harumi Jyonouchi, MD  more...
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Gene therapy is becoming available. [43] In mice, one study successfully transferred the WASP gene into hematopoietic stem cells, using the WASP –containing lentiviral vector, combined with nonlethal irradiation. [44] Another murine study showed that the WASp transgene expression can be successfully maintained long-term in recipients and that it is associated with a significant repair of migratory defects. [7] Phase I and II clinical studies are starting soon in several European countries to assess the safety and efficacy of this lentiviral vector in Wiskott-Aldrich syndrome and early results are promising. [45, 43, 46] Although the WASP gene is cloned, its exact identity and function are not fully understood, leading to concern that overexpression of WASP could cause clinical illness.

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