Systemic Correction of Storage Disease in MPS I NOD/SCID Mice Using the Sleeping Beauty Transposon System

被引：75

作者：

Aronovich, Elena L. ^{[1
]}

Bell, Jason B. ^{[1
]}

Khan, Shaukat A. ^{[2
,3
]}

Belur, Lalitha R. ^{[1
]}

Gunther, Roland

Koniar, Brenda

Schachern, Patricia A. ^{[4
]}

Parker, Josh B. ^{[5
]}

Carlson, Cathy S. ^{[5
]}

Whitley, Chester B. ^{[6
]}

McIvor, R. Scott ^{[1
]}

Gupta, Pankaj ^{[2
,3
]}

Hackett, Perry B. ^{[1
]}

机构：

[1] Univ Minnesota, Dept Genet Cell Biol & Dev, Ctr Genome Engn, Minneapolis, MN 55455 USA

[2] Univ Minnesota, Dept Med, Hematol Oncol Transplantat Div, Minneapolis, MN 55455 USA

[3] VA Med Ctr, Hematol Oncol Sect, Minneapolis, MN USA

[4] Univ Minnesota, Dept Otolaryngol, Minneapolis, MN 55455 USA

[5] Univ Minnesota, Masonic Canc Ctr, Minneapolis, MN 55455 USA

[6] Univ Minnesota, Inst Human Genet, Dept Pediat, Minneapolis, MN 55455 USA

来源：

MOLECULAR THERAPY | 2009年 / 17卷 / 07期

基金：

美国国家卫生研究院;

关键词：

MUCOPOLYSACCHARIDOSIS TYPE-I; ALPHA-L-IDURONIDASE; ADENOASSOCIATED VIRAL VECTORS; ENZYME-REPLACEMENT-THERAPY; NEONATAL GENE-THERAPY; BLOOD-BRAIN-BARRIER; LYSOSOMAL STORAGE; BETA-GLUCURONIDASE; PLASMID DNA; BONE-MARROW;

D O I：

10.1038/mt.2009.87

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The Sleeping Beauty (SB) transposon system is a non-viral vector that directs transgene integration into vertebrate genomes. We hydrodynamically delivered SB transposon plasmids encoding human alpha-L-iduronidase (hIDUA) at two DNA doses, with and without an SB transposase gene, to NOD. 129(B6)-Prkdc(scid) IDUA(tm1Clk)/J mice. In transposon-treated, nonobese diabetic/severe combined immunodeficiency (NOD/SCID) mice with mucopolysaccharidosis type I (MPS I), plasma IDUA persisted for 18 weeks at levels up to several hundredfold wild-type (WT) activity, depending on DNA dose and gender. IDUA activity was present in all examined somatic organs, as well as in the brain, and correlated with both glycosaminoglycan (GAG) reduction in these organs and level of expression in the liver, the target of transposon delivery. IDUA activity was higher in the treated males than in females. In females, omission of transposase source resulted in significantly lower IDUA levels and incomplete GAG reduction in some organs, confirming the positive effect of transposition on long-term IDUA expression and correction of the disease. The SB transposon system proved efficacious in correcting several clinical manifestations of MPS I in mice, including thickening of the zygomatic arch, hepatomegaly, and accumulation of foamy macrophages in bone marrow and synovium, implying potential effectiveness of this approach in treatment of human MPS I.

引用

页码：1136 / 1144

页数：9

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