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Mouse Tumor Necrosis Using Photodynamic Therapy  

임현수 (충남대학교 의과대학 의공학교실)
변상현 (충남대학교 소아과학교실)
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Journal of Biomedical Engineering Research / v.25, no.1, 2004 , pp. 49-55 More about this Journal
Abstract
In this paper, we investigated the effects of the photodynamic therapy(PDT) for the tumor mass in mice. In the experimental method, we divided the mice into two control and test group which HepG2 and HeLa cell line induced cancer mass in mice. Photofrin was administered to the tumor-bearing mouse, followed 30 hours later by 630nm and 650nm laser light exposure. After photodynamic therapy we analyzed the two mice group for the tumor mass size, tumor growth, tumor cell necrosis, pathological anatomy change. According to the results, tumor cell necrosis was shown in the tissues which the reduce size of tumor and tumor cell necrotic change according to the irradiation time and light dose amount. The considerable difference, however, between the 630nm and 650nm wavelength was not found for the tumor cell necrotic change and other damage of normal tissue was not found.
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