Abstract:
:Although particle-mediated gene transfer using gene gun technology has been applied for gene transfer into epidermis, applications of this technology to visceral tissues have not been well investigated. Although all helium gas-driven gene gun instruments have used macrocarriers to discharge DNA-coated microprojectiles so far, we used a newly developed gene gun instrument, in which a hammering bullet is used to discharge microprojectiles. With the gene gun, gold particles coated with lacZ expression plasmid were discharged to murine livers. LacZ expression was induced much more profoundly in the liver by particle-mediated gene transfer than by simple plasmid injection and electroporation-mediated gene transfer. LacZ expression was broadly and randomly distributed throughout the bombarded livers, indicating that particle-mediated gene transfer can induce transgene expression even at relatively distant areas from the surface of the bombarded tissue. Furthermore, although transgene expression was at its peak on day 2 after the bombardment, it was still detectable even on day 28. These results indicate that particle-mediated gene transfer with a newly developed gene gun may provide a new approach to gene therapy for human diseases.
journal_name
Gene Therjournal_title
Gene therapyauthors
Kuriyama S,Mitoro A,Tsujinoue H,Nakatani T,Yoshiji H,Tsujimoto T,Yamazaki M,Fukui Hdoi
10.1038/sj.gt.3301192keywords:
subject
Has Abstractpub_date
2000-07-01 00:00:00pages
1132-6issue
13eissn
0969-7128issn
1476-5462journal_volume
7pub_type
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