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Information Journal Paper

Title

EVALUATION OF THE COMBINED EFFECTS OF HYPERTHERMIA, COBALT-60 GAMMA RAYS AND IUDR ON CULTURED GLIOBLASTOMA SPHEROID CELLS AND DOSIMETRY USING TLD-100

Pages

  335-342

Abstract

 Objective: In RADIATION treatment, the irRADIATION which is effective enough to control the tumors far exceeds normal-tissues tolerance. Thus to avoid such unfavourable outcomes, some methods sensitizing the tumor cells to RADIATION are used. Iododeoxyuridine (IUdR) is a halogenated thymidine analogue that known to be effective as a radiosensitizer in human cancer therapy. Improving the potential efficacy of RADIATION therapy after combining to HYPERTHERMIA depends on the magnitude of the differential sensitization of the hyperthermic effects or on the differential cytotoxicity of the RADIATION effects on the tumor cells. In this study, we evaluated the combined effects of IUDR, HYPERTHERMIA and gamma rays of 60Co on human GLIOBLASTOMA spheroids culture.Materials and Methods: In this experimental study, the cultured spheroids with 100mm diameter were treated by 1mM IUDR, 43o HYPERTHERMIA for an hour and 2 Gy gamma rays, respectively. The DNA damages induced in cells were compared using alkaline COMET ASSAY method, and dosimetry was then performed by TLD-100. Comet scores were calculated as mean±standard error of mean (SEM) using one-way ANOVA.Results: Comparison of DNA damages induced by IUDR and HYPERTHERMIA+gamma treatment showed 2.67- and 1.92-fold enhancement, respectively, as compared to the damages induced by RADIATION alone or RADIATION combined IUDR. Dosimetry results showed the accurate dose delivered to cells.Conclusion: Analysis of the comet tail moments of spheroids showed that the RADIATION treatments combined with HYPERTHERMIA and IUDR caused significant radiosensitization when compared to related results of irRADIATION alone or of irRADIATION with IUDR. These results suggest a potential clinical advantage of combining RADIATION with HYPERTHERMIA and indicate effectiveness of HYPERTHERMIA treatment in inducing cytotoxicity of tumor cells.

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    Cite

    APA: Copy

    NESHASTEH RIZ, ALI, RAHDANI, ROZHIN, & MOSTAAR, AHMAD. (2014). EVALUATION OF THE COMBINED EFFECTS OF HYPERTHERMIA, COBALT-60 GAMMA RAYS AND IUDR ON CULTURED GLIOBLASTOMA SPHEROID CELLS AND DOSIMETRY USING TLD-100. CELL JOURNAL (YAKHTEH), 16(3 (63)), 335-342. SID. https://sid.ir/paper/633067/en

    Vancouver: Copy

    NESHASTEH RIZ ALI, RAHDANI ROZHIN, MOSTAAR AHMAD. EVALUATION OF THE COMBINED EFFECTS OF HYPERTHERMIA, COBALT-60 GAMMA RAYS AND IUDR ON CULTURED GLIOBLASTOMA SPHEROID CELLS AND DOSIMETRY USING TLD-100. CELL JOURNAL (YAKHTEH)[Internet]. 2014;16(3 (63)):335-342. Available from: https://sid.ir/paper/633067/en

    IEEE: Copy

    ALI NESHASTEH RIZ, ROZHIN RAHDANI, and AHMAD MOSTAAR, “EVALUATION OF THE COMBINED EFFECTS OF HYPERTHERMIA, COBALT-60 GAMMA RAYS AND IUDR ON CULTURED GLIOBLASTOMA SPHEROID CELLS AND DOSIMETRY USING TLD-100,” CELL JOURNAL (YAKHTEH), vol. 16, no. 3 (63), pp. 335–342, 2014, [Online]. Available: https://sid.ir/paper/633067/en

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