Gene therapy for murine mucopolysaccharidosis type VII

Mark S. Sands, John H. Wolfe, Edward H. Birkenmeier, Jane E. Barker, Carole Vogler, William S. Sly, Torayuki Okuyama, Brian Freeman, Andrew Nicholes, Nicholas Muzyczka, Patricia L. Chang, Helena R. Axelrod

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

Mucopolysaccharidosis type VII (MPS VII) is caused by a deficiency in the lysosomal enzyme β-glucuronidase resulting in the accumulation of undegraded polycosaminoglycans in many tissues. A murine model of MPS VII shares many of the clinical, biochemical and histopathological features of human MPS VII and has provided an opportunity to study novel therapeutic approaches in a system with a uniform genetic background. Retroviral mediated gene therapy directed to the hematopoietic system or to artificial neo-organs resulted in low levels of enzyme in several tissues and reduced lysosomal storage in the liver and spleen. Partial correction of the disease in the eye was observed following an intravitreal injection of recombinant adenovirus. Neither retroviral nor adenoviral mediated gene transfer techniques resulted in a systemic reduction of lysosomal storage. Here we discuss several novel gene transfer approaches designed to increase the systemic levels of β-glucuronidase in the MPS VII mouse.

Original languageEnglish
Pages (from-to)352-360
Number of pages9
JournalNeuromuscular Disorders
Volume7
Issue number5
DOIs
StatePublished - Jul 1997

Keywords

  • Gene therapy
  • Mucopolysaccharidosis type VII
  • Retroviral vector

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