The Rational Design and Biological Mechanisms of Nanoradiosensitizers

The Rational Design and Biological Mechanisms of Nanoradiosensitizers
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纳米放射增敏剂的合理设计及其生物学机制

DOI:
10.3390/nano10030504
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发表时间:
2020-03
期刊:
影响因子:
5.3
通讯作者:
Zhai Shumei
Zhai Shumei
中科院分区:
材料科学3区
文献类型:
--
作者:
Sun Hainan;Wang Xiaoling;Zhai Shumei

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放射治疗(RT)已广泛应用于癌症治疗。然而,放射治疗的固有缺陷,如对正常组织的放射毒性和肿瘤的放射抗性,促进了放射增敏剂的发展。到目前为止,各种纳米粒子已被发现在癌症放射治疗中作为放射增敏剂。本文综述了纳米放射增敏剂的研究现状,特别是相关的生物学机制,以及制备纳米放射增敏剂的关键设计策略。重点介绍了纳米放射增敏剂在体内外对氧化应激、DNA损伤、细胞周期、自噬和细胞凋亡的调节作用,以指导肿瘤放射增敏治疗药物的合理设计。
Radiotherapy (RT) has been widely used for cancer treatment. However, the intrinsic drawbacks of RT, such as radiotoxicity in normal tissues and tumor radioresistance, promoted the development of radiosensitizers. To date, various kinds of nanoparticles have been found to act as radiosensitizers in cancer radiotherapy. This review focuses on the current state of nanoradiosensitizers, especially the related biological mechanisms, and the key design strategies for generating nanoradiosensitizers. The regulation of oxidative stress, DNA damage, the cell cycle, autophagy and apoptosis by nanoradiosensitizers in vitro and in vivo is highlighted, which may guide the rational design of therapeutics for tumor radiosensitization.
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