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|Title:||The effect of hypoxia on photocytotoxicity of tics tricaebocyanine dye in vitro|
|Authors:||Istomin, Y. P.|
Alexandrova, E. N.
Zhavrid, E. A.
Voropay, E. S.
Samtsov, M. P.
Kaplevsky, K. N.
Lugovsky, A. P.
Lugovsky, A. A.
|Keywords:||ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика|
|Citation:||Experimental Oncology. - 2006. - № 28. - С. 1-3.|
|Abstract:||To evaluate the effect of cell oxygenation on photocytotoxicity of a novel tricarbocyanine indolenine dye covalently bound to glucose (TICS). Methods: HeLa cells were incubated with 5 µM TICS, 2 h later irradiated by laser at 740 nm with a light dose of 10 J/cm2, delivered at a power density of 10, 20, 25 or 30 mW/cm2, in air or in argon atmosphere, and then scored for viability. Results: The photocytotoxicity of TICS increased dramatically as the power density was reduced. Under hypoxia TICS-photosensitized cell death was determined but its value was lowered, compared to photoirradiation in the air. Conclusion: Photosensitizing effect of TICS is only partially dependent on the oxygenation of tumor cells.|
|Appears in Collections:||Статьи сотрудников НИИ ПФП|
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