Journal
CHEMPHOTOCHEM
Volume 3, Issue 3, Pages 129-132Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cptc.201800231
Keywords
cytotoxicity; organelles; photodynamic therapy; photosensitizers; singlet oxygen
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Funding
- Bilkent University
- National Creative Research Initiative programs of the National Research Foundation of Korea (NRF) - Korean government (MSIP) [2012R1A3A2048814]
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Among the pathways for improving the practice of photodynamic therapy of cancer, increasing the selectivity of photodynamic action is an obvious choice. Considering the different characteristics of mitochondria in normal cells and cancer cells, we designed mitochondria-targeting photosensitizers. We now demonstrate for the first time that mitochondria-targeted photosensitizers by triphenylphosphonium (TPP) derivatization are more selective for cancer cells compared to normal cells, presumably due to the larger membrane potential of cancer-cell mitochondria allowing more efficient accumulation of the photosensitizer.
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