Long-term Amelioration of Feline Mucopolysaccharidosis VI After AAV-mediated Liver Gene Transfer (Articolo in rivista)

Type
Label
  • Long-term Amelioration of Feline Mucopolysaccharidosis VI After AAV-mediated Liver Gene Transfer (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Alternative label
  • Cotugno G, Annunziata P, Tessitore A, et al. (2011)
    Long-term Amelioration of Feline Mucopolysaccharidosis VI After AAV-mediated Liver Gene Transfer
    in Molecular therapy (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cotugno G, Annunziata P, Tessitore A, et al. (literal)
Pagina inizio
  • 461 (literal)
Pagina fine
  • 469 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 19 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • PMID: 21119624 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-IGB \"ABT\" (literal)
Titolo
  • Long-term Amelioration of Feline Mucopolysaccharidosis VI After AAV-mediated Liver Gene Transfer (literal)
Abstract
  • Mucopolysaccharidosis VI (MPS VI) is caused by deficient arylsulfatase B (ARSB) activity resulting in lysosomal storage of glycosaminoglycans (GAGs). MPS VI is characterized by dysostosis multiplex, organomegaly, corneal clouding, and heart valve thickening. Gene transfer to a factory organ like liver may provide a lifetime source of secreted ARSB. We show that intravascular administration of adenoassociated viral vectors (AAV) 2/8-TBG-felineARSB in MPS VI cats resulted in ARSB expression up to 1 year, the last time point of the study. In newborn cats, normal circulating ARSB activity was achieved following delivery of high vector doses (6 x 10(13) genome copies (gc)/kg) whereas delivery of AAV2/8 vector doses as low as 2 x 10(12) gc/kg resulted in higher than normal serum ARSB levels in juvenile MPS VI cats. In MPS VI cats showing high serum ARSB levels, independent of the age at treatment, we observed: (i) clearance of GAG storage, (ii) improvement of long bone length, (iii) reduction of heart valve thickness, and (iv) improvement in spontaneous mobility. Thus, AAV2/8-mediated liver gene transfer represents a promising therapeutic strategy for MPS VI patients. (literal)
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