山东大学学报 (医学版) ›› 2019, Vol. 57 ›› Issue (2): 70-74.doi: 10.6040/j.issn.1671-7554.0.2018.1132
• • 上一篇
张晓英1*,赵云2*,刘桂香1,王振光3
ZHANG Xiaoying1*, ZHAO Yun2*, LIU Guixiang1, WANG Zhenguang3
摘要: 目的 探讨放射线治疗的分子机制,以更好地指导口腔鳞癌患者的临床放射治疗。 方法 以不同剂量(0、4、8、10 Gy)的放射线照射舌鳞癌Tca8113细胞,采用流式细胞仪检测细胞周期分布及凋亡,并在相差显微镜下观察细胞形态学变化。 结果 流式细胞仪分析结果显示,10 Gy放射线照射明显诱导了Tca8113细胞G2/M期阻滞和细胞凋亡,并且Tca8113细胞经10 Gy放射线照射后细胞形态发生了明显的变化。 结论 放射线照射可导致口腔癌细胞周期阻滞、凋亡和胀亡的形态学变化。
中图分类号:
[1] Parkin DM, Pisani P, Ferlay J. Global cancer statistics[J].CA Cancer J Clin, 1999, 49(1): 33-64. [2] Rodrigues VC, Moss SM, Tuomainen H. Oral cancer in the UK: to screen or not to screen[J]. Oral Oncology, 1998, 34(6): 454-465. [3] Greenlee RT, Hill-harmon MB, Murray T, et al. Cancer statistics, 2001[J]. CA Cancer J Clin, 2010, 51(1): 15-36. [4] Jemal A, Siegel R, Ward E, et al. Cancer statistics, 2007 [J]. CA Cancer J Clin, 2007, 57(1): 43-66. [5] Peters LJ, Rodney Withers H, Thames HD Jr, et al. Keynote address: the problem: Tumor radioresistance in clinical radiotherapy[J]. Int J Radiat Oncol Biol Phys, 1982, 8(1): 101-108. [6] Deacon J, Peckham MJ, Steel GG. The radioresponsiveness of human tumours and the initial slope of the cell survival curve [J]. Radiother Oncol, 1984, 2(4): 317-323. [7] Desai AA, Latta ET, Spaulding A, et al. The importance of routine HIV testing in the incarcerated population: the Rhode Island experience [J]. AIDS Educ Prev, 2002, 14(5 Suppl B): 45-52. [8] Reis T, Edgar BA. Negative Regulation of dE2F1 by cyclin-dependent kinases controls cell cycle timing [J]. Cell, 2004, 117(2): 253-264. [9] Sinclair WK, Morton RA. Variations in X-Ray response during the division cycle of partially synchronized Chinese hamster cells in culture [J]. Nature, 1963, 199: 1158-1160. [10] Sinclair WK, Morton RA. X-Ray and ultraviolet sensitivity of synchronized chinese hamster cells at various stages of the cell cycle [J]. Biophys J, 1965, 5(1): 1-25. [11] Terasima T, Tolmach LJ. Variations in several responses of HeLa cells to X-irradiation during the division cycle [J]. Biophysical Journal, 1963, 3(1): 11-33. [12] Shinomiya N. New concepts in radiation-induced apoptosis: ‘premitotic apoptosis’ and ‘postmitotic apoptosis’?[J]. J Cell Mol Med, 2001, 5(3): 14. [13] Mcilwrath AJ, Vasey PA, Ross GM, et al. Cell cycle arrests and radiosensitivity of human tumor cell lines: dependence on wild-type p53 for radiosensitivity [J]. Cancer Res, 1994, 54(14): 3718-3722. [14] Yount GL, Haas-Kogan DA, Vidair CA, et al. Cell cycle synchrony unmasks the influence of p53 function on radiosensitivity of human glioblastoma cells [J]. Cancer Res, 1996, 56(3): 500-506. [15] Bristow RG, Jang A, Peacock J, et al. Mutant p53 increases radioresistance in rat embryo fibroblasts simultaneously transfected with HPV16-E7 and/or activated H-ras [J]. Oncogene, 1994, 9(6): 1527-1536. [16] Komarova EA. Transgenic mice with p53-responsive lacZ: p53activity varies dramatically during normal development and determines radiation and drug sensitivity in vivo [J].The EMBO Journal, 1997, 16(6): 1391-1400. [17] Merritt AJ, Potten CS, Kemp CJ, et al. The role of p53 in spontaneous and radiation-induced apoptosis in the gastrointestinal tract of normal and p53-deficient mice [J]. Cancer Res, 1994, 54(3): 614-617. [18] Lowe SW, Schmitt EM, Smith SW, et al. p53 is required for radiation-induced apoptosis in mouse thymocytes [J]. Nature, 1993, 362(6423): 847-849. [19] Brown KD, Lataxes TA, Shangary S, et al. Ionizing radiation exposure results in up-regulation of Ku70 via a p53/ataxia-telangiectasia-mutated protein-dependent mechanism[J]. J Biol Chem, 2000, 275(9): 6651-6656. [20] Herzog KH, Chong MJ, Kapsetaki M, et al.Requirement for atm in ionizing radiation-induced cell death in the developing central nervous system [J]. Science, 1998, 280(5366): 1089-1091. [21] Fei PW, Bernhard EJ, Eldeiry WS. Tissue-specific induction of p53 targets in vivo [J]. Cancer Res, 2002, 62(24): 7316-7327. [22] Lakhani SA, Masud A, Kuida K, et al. Caspases 3 and 7: key mediators of mitochondrial events of apoptosis [J]. Science, 2006, 311(5762): 847-851. [23] Majno G, Joris I. Apoptosis, oncosis, and necrosis. An overview of cell death [J]. Am J Pathol, 1995, 146(1): 3-15. [24] Orlov SN, Hamet P. Apoptosis vs. oncosis: role of cell volume and intracellular monovalent cations [J]. Adv Exp Med Biol, 2004, 559: 219-233. [25] 高荣莲. 大剂量γ射线照射后PC12细胞死亡方式的研究[J]. 中华放射医学与防护杂志, 2006, 26(5): 449-452. [26] Weerasinghe P, Buja LM. Oncosis: an important non-apoptotic mode of cell death [J]. Exp Mol Pathol, 2012, 93(3): 302-308. [27] Uversky VN, Cooper EM, Bower KS, et al. Accelerated α-synuclein fibrillation in crowded milieu [J]. Febs Letters, 2002, 515(1-3): 99-103. |
[1] | 魏秀娟,吴修胤, 佟冬冬,李静,杨晓露,张风河. BDNF/TrkB在舌鳞状细胞癌中的表达及BDNF对其增殖能力的影响[J]. 山东大学学报(医学版), 2016, 54(6): 50-54. |
[2] | 张东1,何海贤2,董立新3,陈正岗4,王玉敏1,刘少华1. 舌鳞癌组织中半乳糖凝集素-1的表达及其与临床病理因素的相关性研究[J]. 山东大学学报(医学版), 2011, 49(11): 138-. |
|