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Targeting the Mitochondrial Genome Through a Nanocarrier and the Regulation of Mitochondrial Gene Expression

  • Yuma Yamada
  • Hideyoshi Harashima
Chapter

Abstract

Mitochondria are attractive organelles that have the potential to contribute greatly to medical therapy. This organnelle is responsible for a variety of essential functions including ATP production and the regulation of apoptosis, and they have their own genome, mitochondrial DNA (mtDNA). It has recently become evident that a variety of human diseases are associated with mitochondrial dysfunctions caused by mutations and defects in mtDNA. Therefore, the ability to successfully target the mitochondrial genome and to regulate mitochondrial gene expression would contribute to mitochondrial gene therapy for various human diseases. To achieve such an innovative objective, it will be necessary to deliver various cargoes to mitochondria in living cells. However, only a limited number of approaches are available for accomplishing this. In this chapter, we discuss problems associated with mitochondrial delivery systems and mitochondrial gene expression, and propose a strategy for overcoming these problems based our current efforts. To this end, we highlight a MITO-Porter, a mitochondrial delivery system, and show some examples of the regulation of mitochondrial gene expression including mitochondrial RNA knockdown and mitochondrial transgene expression.

Keywords

Mitochondria Mitochondrial drug delivery MITO-Porter Mitochondrial genome RNA knockdown Transgene expression Mitochondrial gene therapy 

Notes

Acknowledgements

This work was supported, in part, by the Scientific Research (B) from the Ministry of Education, Culture, Sports, Science and Technology of Japanese Government (MEXT). We also thank Dr. Milton Feather for his helpful advice in writing the manuscript.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Laboratory for Molecular Design of Pharmaceutics, Faculty of Pharmaceutical SciencesHokkaido UniversitySapporoJapan

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