Lung-directed gene therapy in mice using the nonviral sleeping beauty transposon system

Lalitha R. Belur, Kelly Podetz-Pedersen, Joel Frandsen

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

The Sleeping Beauty (SB) transposon is an integrative nonviral plasmid system. Here, we describe a protocol for SB-mediated transgene delivery using DNA/polyethyleneimine (PEI) complexes for long-term expression in mouse lungs. This protocol can be used for delivery of any plasmid-based vector system to mouse lungs, although long-term transgene expression will be obtained only when using the SB transposon or other integrating vector systems. The stages of this protocol are preparation of DNA-PEI complexes and injection of the complexes into the lateral tail vein of mice. We also provide protocols for assessing transgene expression using in vivo bioluminescence imaging and enzymatic assay of lung homogenates. The procedure can be completed within 24 h, starting from preparation of DNA-PEI complexes to analysis of transient transgene expression.

Original languageEnglish (US)
Pages (from-to)3146-3152
Number of pages7
JournalNature Protocols
Volume2
Issue number12
DOIs
StatePublished - Dec 13 2007

Bibliographical note

Funding Information:
ACKNOWLEDGMENTS This work was supported by grants from the Arnold and Mabel Beckman Foundation and the University of Minnesota Nanobiotechnology Initiative.

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