Regulated Gene Therapy

  • Ludivine Breger
  • Erika Elgstrand Wettergren
  • Luis Quintino
  • Cecilia Lundberg
Part of the Methods in Molecular Biology book series (MIMB, volume 1382)

Abstract

Gene therapy represents a promising approach for the treatment of monogenic and multifactorial neurological disorders. It can be used to replace a missing gene and mutated gene or downregulate a causal gene. Despite the versatility of gene therapy, one of the main limitations lies in the irreversibility of the process: once delivered to target cells, the gene of interest is constitutively expressed and cannot be removed. Therefore, efficient, safe and long-term gene modification requires a system allowing fine control of transgene expression.

Different systems have been developed over the past decades to regulate transgene expression after in vivo delivery, either at transcriptional or post-translational levels. The purpose of this chapter is to give an overview on current regulatory system used in the context of gene therapy for neurological disorders. Systems using external regulation of transgenes using antibiotics are commonly used to control either gene expression using tetracycline-controlled transcription or protein levels using destabilizing domain technology. Alternatively, specific promoters of genes that are regulated by disease mechanisms, increasing expression as the disease progresses or decreasing expression as disease regresses, are also examined. Overall, this chapter discusses advantages and drawbacks of current molecular methods for regulated gene therapy in the central nervous system.

Key words

Tet-responsive Doxycycline Promoter Zinc finger-based transcription factor Destabilizing domain Trimethoprim 

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Ludivine Breger
    • 1
  • Erika Elgstrand Wettergren
    • 1
  • Luis Quintino
    • 1
  • Cecilia Lundberg
    • 1
  1. 1.Department of Experimental Medical Sciences, CNS Gene Therapy Unit, Wallenberg Neuroscience CenterLund UniversityLundSweden

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