辐射防护 ›› 2015, Vol. 35 ›› Issue (5): 284-288.

• 论文报告 • 上一篇    下一篇

细胞核靶向富勒醇固体脂质纳米粒对小鼠亚致死剂量辐射损伤的预防作用

许莹, 樊辰, 许玉杰, 杨百霞, 周捷波, 李海龙   

  1. 苏州大学医学部放射医学与防护学院基础核医学教研室,江苏省放射医学与防护重点实验室,江苏 苏州 215123
  • 收稿日期:2014-12-23 出版日期:2015-09-20 发布日期:2024-10-22
  • 通讯作者: 许玉杰。E-mail:dbnm@suda.edu.cn
  • 作者简介:许莹(1986—),女,2011年7月毕业于新乡医学院三全学院临床医学专业,2014年7月毕业于苏州大学放射医学专业,获硕士学位。E-mail:569894293@qq.com。
  • 基金资助:
    江苏省高校优势学科建设工程(PAPD);国家自然科学基金资助项目:细胞核靶向富勒醇固体脂质纳米粒的辐射防护作用(30970873)。

Radioprotective effects of nuclear targeting nanomaterial C60(OH)24-SLN-E on mice irradiated by sublethal doses

Xu Ying, Fan Chen, Xu Yujie, Yang Baixia, Zhou Jiebo, Li Hailong   

  1. Department of Basic Nuclear Medicine, School of Radiation Medicine and Protection,Medical College of Soochow University, Jiangsu Suzhou 215123
  • Received:2014-12-23 Online:2015-09-20 Published:2024-10-22

摘要: 为研究细胞核靶向富勒醇固体脂质纳米粒(C60(OH)24-SLN-E)对亚致死剂量60Co γ射线照射致小鼠辐射损伤的防护作用,采用SPF级雄性ICR小鼠,连续7天腹腔注射细胞核靶向富勒醇硬脂质纳米粒,于第7天送往辐照中心接受60Co γ 射线全身均匀照射,照射剂量为6 Gy,照射剂量率为0.42 Gy/min,观察照后小鼠一般情况、体重变化,测定照后14天小鼠外周血液学参数的变化。结果表明,细胞核靶向富勒醇固体脂质纳米粒(C60(OH)24-SLN-E)能有效减轻亚致死剂量60Co γ射线所引起的小鼠体重、外周血白细胞的降低,还可以促进照射后小鼠骨髓红系造血的恢复,与照射对照组相比差异有统计学意义(p<0.05)。说明细胞核靶向富勒醇固体脂质纳米粒(C60(OH)24-SLN-E)对受亚致死剂量60Co γ射线照射的小鼠具有一定的保护作用。

关键词: 细胞核靶向, 富勒醇, 固体脂质纳米粒, 60Co γ射线, 辐射损伤

Abstract: To investigate the protective effects of C60(OH)24-SLN-E on mice exposed to sub-lethal doses of 60Co γ radiation. SPF ICR mice (male) were given C60(OH)24-SLN-E intraperitoneally (i.p.) continuously for 7 days before whole-body 60Co γ radiation. The total doses were 6.0 Gy and the dose rate was 0.42 Gy/min. The survival situation, the change of body weight and peripheral blood cell on the 14th day after sub-lethal doses of 60Co γ irradiation were observed. C60(OH)24-SLN-E pretreated before IR could effectively reduce the decrease of body weight and peripheral blood leukocyte in mice induced by 60Co γ radiation, it could also enhance the recovery of hematopoiesis of red bone marrow after irradiation, which had statistical significance compared with the irradiation group (p<0.05). C60(OH)24-SLN-E has efficient capacity of radioprotection in mice exposed to sub-lethal doses of 60Co γ radiation.

Key words: nucleus targeting, fullerol, solid lipid nanoparticles, 60Co γ ray, radioprotective

中图分类号: 

  • R818.74