Packaging of the Coenzyme Q₁₀ into a Liposome for Mitochondrial Delivery and the Intracellular Observation in Patient Derived Mitochondrial Disease Cells

  • Yamada Yuma
    Laboratory for Molecular Design of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hokkaido University
  • Burger Laila
    Laboratory for Molecular Design of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hokkaido University
  • Kawamura Eriko
    Laboratory for Molecular Design of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hokkaido University
  • Harashima Hideyoshi
    Laboratory for Molecular Design of Pharmaceutics, Faculty of Pharmaceutical Sciences, Hokkaido University

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タイトル別名
  • Packaging of the Coenzyme Q<sub>10</sub> into a Liposome for Mitochondrial Delivery and the Intracellular Observation in Patient Derived Mitochondrial Disease Cells

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<p>While Coenzyme Q10 (CoQ10) is thought to be effective for the treatment of a variety of diseases, it limits its cellular uptake. Because of the hydrophobic nature of CoQ10, it is reasonable to assume that it could be encapsulated within a liposomal carrier. Several reports regarding the packaging of CoQ10 in liposomes have appeared, but detailed investigations of the preparation of CoQ10 encapsulated liposomes have not been reported. As a result, information regarding the optimal method of packaging CoQ10 in liposomes is not available. In this study, several types of liposomes were prepared using different methods and their characteristics were compared. Since CoQ10 is mainly located in the inner mitochondrial membrane, a liposome that targets mitochondria, a MITO-Porter, was used as a model liposome. It was possible to incorporate high levels of CoQ10 into the carrier. Transmission electron microscopy analyses showed that an empty MITO-Porter and the CoQ10-MITO-Porter were structurally different from one another. Even though significant structural differences were observed, mitochondrial delivery was not affected in mitochondrial disease fibroblast cells, as evidenced by confocal laser scanning microscopy observations. The results reported herein suggest that the CoQ10-MITO-Porter might be a suitable candidate for the potential medical therapy of mitochondria-related diseases.</p>

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