Abstract
We studied the effectiveness of photodynamic therapy with the photosensitizer Photoran E6 on the model of rat sarcoma M-1 positive for mutant p53 gene. Experiments showed that Photoran E6 exhibits high antitumor activity in photodynamic therapy of solid tumor of the connective tissue. Photodynamic therapy carried out during the optimal period after injections of Photoran E6 with the determined parameters of laser exposure allows achieving the maximum inhibitory effect on sarcoma M-1: 100% cured animals. Immunohistochemical study revealed no live tumor cells with expression of the mutant p53 protein in areas of photodynamic exposure.
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