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동의어 포함
In photodynamic therapy (PDT), oxygen plays important role. Because of singlet oxygen which is produced by
activated photosensitizer after laser irradiation of specific wavelength. The aim of this study is to find how oxygen
concentration affects anticancer effect in PDT. Groups were divided into PDT with oxygen applied group and only PDT
applied group. PDT with oxygen applied group supplied oxygen for 15 minute before laser irradiation. In vitro, CT-26
cell was incubated with various concentration of photofrin (50.0~0.05 μg/ml) and was irradiated with 632 nm diode
laser 6 hr after application of photofrin. The cell viability of two groups was assessed by MTT assay. In vivo, CT-26
cell line was transplanted into the subcutaneous tissue of BALB/c mouse. The anticancer effect of two groups was
measured by tumor volume change. In vitro study, the cell viability was significantly decreased at 1.56~3.13 μg/ml in
PDT with oxygen applied group. In vivo study, the PDT with oxygen applied group significantly higher reduction rate
of tumor volume 7 days after PDT compared to PDT only group. The high oxygen concentration might enhance the
anticancer effect of the photodynamic therapy.| 번호 | 참고문헌 | 국회도서관 소장유무 |
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| 3 | An update on photodynamic therapy applications. ![]() |
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| 5 | The Role of Oxygen in Cutaneous Photodynamic Therapy ![]() |
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| 7 | Hematoporphyrin Derivative: A Possible Aid in the Diagnosis and Therapy of Carcinoma of the Bladder ![]() |
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| 8 | The Role of Subcellular Localization in Initiation of Apoptosis by Photodynamic Therapy ![]() |
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| 9 | A photodynamic pathway to apoptosis and necrosis induced by dimethyl tetrahydroxyhelianthrone and hypericin in leukaemic cells: possible relevance to photodynamic therapy. ![]() |
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| 10 | Subcellular distribution and photocytotoxicity of aluminium phthalocyanines and haematoporphyrin derivative in cultured human meningioma cells. ![]() |
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| 11 | The photodegradation of porphyrins in cells can be used to estimate the lifetime of singlet oxygen. ![]() |
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| 12 | Ochsner M. New trends in photobiology. Photophysical and photobiological processes in the photodynamic therapy of tumors. Photochem Photobiol. 1997. 39: 1-18. | 미소장 |
| 13 | Antitumor effect of 5-aminolevulinic acid-mediated photodynamic therapy can be enhanced by the use of a low dose of photofrin in human tumor xenografts. ![]() |
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| 14 | Ripson RL, Blades EJ, Olsen AM. The use of hematoporphyrin in tumor destruction. J Natl Cancer Inst. 1961. 26: 1-11. | 미소장 |
| 15 | In vivo tumor oxygen tension measurements for the evaluation of the efficiency of photodynamic therapy. ![]() |
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| 16 | Current status of photodynamic therapy in oncology. ![]() |
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| 17 | Oxygenation of human tumors: evaluation of tissue oxygen distribution in breast cancers by computerized O2 tension measurements. ![]() |
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| 18 | Identification of singlet oxygen as the cytotoxic agent in photoinactivation of a murine tumor. ![]() |
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| 19 | Differential cell death response to photodynamic therapy is dependent on dose and cell type. ![]() |
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