化合物UC2288对CNE-2R细胞体外及裸鼠移植瘤放射敏感性影响

doi:10.3760/cma.j.cn113030-20210330-00129

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Abstract Objective To evaluate the effect of compound UC2288 on the radiosensitivity of CNE-2R cell line and nude mouse transplanted tumor. Methods The UC2288 concentration was referenced to previous experimental results (IC50=12.20μmol/L). The effect of UC2288 combined with 2,4,6,8Gy X-ray irradiation on the radiosensitivity of CNE-2R cell line was detected by clone formation experiment. The effect of UC2288 combined with 2,4,6,8Gy X-ray irradiation on the proliferation of CNE-2R cell line was determined by CCK8 assay. The nude mouse model of transplanted tumor was constructed with CNE-2R cell line. The radiosensitivity of transplanted tumor of UC2288 combined with 2Gy/fraction X-ray irradiation for three consecutive days was evaluated. Results The experimental concentration of UC2288 was 8μmol/L. The clonality of CNE-2R cell line was reduced under UC2288 combined with X-ray 2,4,6, and 8Gy irradiation, andthe radiosensitizationratio was 1.60. The proliferation of CNE-2R cell line was significantly decreased under UC2288 combined with X-ray 2,4,6, and 8Gy irradiation. UC2288 inhibited the growth of transplanted tumor in nude mice, and the inhibitory effect was strengthened with the extension of observation time, and the most obvious effect was observed at 16d.(P<0.01). Theradiosensitizationratio was 4.33. The proliferation of CNE-2R cell line was decreased under UC2288 combined with X-ray irradiation. Conclusion UC2288 can increase the radiosensitivity of nasopharyngeal carcinoma radioresistant cell line CNE-2R.

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	Liang Renba
	Zhu Xiaodong

Key words： Compound UC2288 Radiosensitivity CNE-2Rcell line Transplanted tumor of nude mouse

Received: 30 March 2021

Corresponding Authors: Zhu Xiaodong, Email:zhuxdonggxmu@126.com

Cite this article:

Liang Renba,Zhu Xiaodong. Effect of compound UC2288 on radiosensitivity of CNE-2R cell line and nude mouse transplanted tumor[J]. Chinese Journal of Radiation Oncology, 2022, 31(2): 196-200.

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http://journal12.magtechjournal.com/Jweb_fszlx/EN/10.3760/cma.j.cn113030-20210330-00129 OR http://journal12.magtechjournal.com/Jweb_fszlx/EN/Y2022/V31/I2/196

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