Abstract
Significant advances in therapy for lysosomal storage disorders have occurred with an accelerating pace over the past decade. Although enzyme replacement therapy has improved the outcome of lysosomal storage disorders, antibody responses have occurred and sometimes prevented efficacy, especially in cross-reacting immune material negative patients with Pompe disease. Preclinical gene therapy experiments have revealed the relevance of immune responses to long-term efficacy. The choice of regulatory cassette played a critical role in evading humoral and cellular immune responses to gene therapy in knockout mouse models, at least in adult animals. Liver-specific regulatory cassettes prevented antibody formation and enhanced the efficacy of gene therapy. Regulatory T cells prevented transgene directed immune responses, as shown by adoptive transfer of antigen-specific immune tolerance to enzyme therapy. Immunomodulatory gene therapy with a very low vector dose could enhance the efficacy of enzyme therapy in Pompe disease and other lysosomal storage disorders.
Keywords: Pompe disease, Gaucher disease, Niemann pick disease, Fabry disease, gene therapy, enzyme replacement therapy, immune tolerance, neutralizing antibodies, inhibitory antibodies, glycogen
Current Gene Therapy
Title: Immunomodulatory Gene Therapy in Lysosomal Storage Disorders
Volume: 9 Issue: 6
Author(s): Dwight D. Koeberl and Priya S. Kishnani
Affiliation:
Keywords: Pompe disease, Gaucher disease, Niemann pick disease, Fabry disease, gene therapy, enzyme replacement therapy, immune tolerance, neutralizing antibodies, inhibitory antibodies, glycogen
Abstract: Significant advances in therapy for lysosomal storage disorders have occurred with an accelerating pace over the past decade. Although enzyme replacement therapy has improved the outcome of lysosomal storage disorders, antibody responses have occurred and sometimes prevented efficacy, especially in cross-reacting immune material negative patients with Pompe disease. Preclinical gene therapy experiments have revealed the relevance of immune responses to long-term efficacy. The choice of regulatory cassette played a critical role in evading humoral and cellular immune responses to gene therapy in knockout mouse models, at least in adult animals. Liver-specific regulatory cassettes prevented antibody formation and enhanced the efficacy of gene therapy. Regulatory T cells prevented transgene directed immune responses, as shown by adoptive transfer of antigen-specific immune tolerance to enzyme therapy. Immunomodulatory gene therapy with a very low vector dose could enhance the efficacy of enzyme therapy in Pompe disease and other lysosomal storage disorders.
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Cite this article as:
Koeberl D. Dwight and Kishnani S. Priya, Immunomodulatory Gene Therapy in Lysosomal Storage Disorders, Current Gene Therapy 2009; 9 (6) . https://dx.doi.org/10.2174/156652309790031094
DOI https://dx.doi.org/10.2174/156652309790031094 |
Print ISSN 1566-5232 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5631 |
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