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Pharmaceutical Research

, 28:2848 | Cite as

Expression of GFP in the Mitochondrial Compartment Using DQAsome-Mediated Delivery of an Artificial Mini-mitochondrial Genome

  • Diana Lyrawati
  • Alan Trounson
  • David Cram
Research Paper

ABSTRACT

Purpose

We describe a novel strategy for expression of GFP in mammalian mitochondria.

Methods

The key components of the strategy were an artificially created mitochondrial genome pmtGFP and a DQAsome transfection system.

Results

Using immunofluorescence and a combination of immunohistochemical and molecular based techniques, we show that DQAsomes are capable of delivering the pmtGFP construct to the mitochondrial compartment of the mouse macrophage cell line RAW264.7, albeit at low efficiency (1–5%), resulting in the expression of GFP mRNA and protein. Similar transfection efficiencies were also demonstrated in a range of other mammalian cell lines.

Conclusions

The DQAsome-transfection technique was able to deliver the exogenous DNA into the cellular mitochondria and the pmtGFP was functional. Further optimization of this strategy would provide a flexible and rapid way to generate mutant cells and useful animal models of mitochondrial disease.

KEY WORDS

DQAsome GFP expression mini-mitochondrial genome mitochondrial gene delivery transfection 

Notes

ACKNOWLEDGMENTS

Dr Diana Lyrawati was supported by a Departmental Scholarship provided by the Monash Immunology and Stem Cell Laboratories, formerly, the Centre for Early Human Development, under the Directorship of Professor Alan Trounson. The authors thank Professor Sangkot Marzuki from the Eijkman Institute for Molecular Biology, Jakarta, Indonesia for providing laboratory resources to perform the immunohistochemistry experiments.

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Laboratory of Pharmacy, Faculty of MedicineBrawijaya UniversityMalangIndonesia
  2. 2.California Institute for Regenerative MedicineSan FranciscoUSA
  3. 3.Monash Immunology and Stem Cell LaboratoriesMonash UniversityMelbourneAustralia

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