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Dual-pathway tumor radiosensitization strategy based on engineered bacteria capable of targeted delivery of AuNPs and specific hypoxia alleviation

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成果类型:
期刊论文
作者:
Lei, Lingling;Xu, Haonan;Li, Mingjie;Du, Meng*;Chen, Zhiyi
通讯作者:
Du, Meng;Chen, ZY
作者机构:
[Lei, Lingling; Du, Meng; Chen, Zhiyi; Li, Mingjie; Du, M; Xu, Haonan] Univ South China, Affiliated Changsha Cent Hosp, Coll Hunan Prov, Hengyang Med Sch,Key Lab Med Imaging Precis Theran, Changsha, Peoples R China.
[Lei, Lingling; Du, Meng; Chen, Zhiyi; Li, Mingjie; Du, M] Univ South China, Affiliated Changsha Cent Hosp, Hengyang Med Sch, Dept Med Imaging, Changsha, Peoples R China.
[Lei, Lingling; Du, Meng; Chen, Zhiyi; Li, Mingjie; Du, M; Xu, Haonan] Univ South China, Inst Med Imaging, Hengyang Med Sch, Hengyang, Peoples R China.
[Xu, Haonan] Univ South China, Sch Publ Hlth, Hengyang, Peoples R China.
通讯机构:
[Chen, ZY ; Du, M] U
Univ South China, Affiliated Changsha Cent Hosp, Coll Hunan Prov, Hengyang Med Sch,Key Lab Med Imaging Precis Theran, Changsha, Peoples R China.
Univ South China, Affiliated Changsha Cent Hosp, Hengyang Med Sch, Dept Med Imaging, Changsha, Peoples R China.
Univ South China, Inst Med Imaging, Hengyang Med Sch, Hengyang, Peoples R China.
语种:
英文
关键词:
Hypoxia alleviation;Radiosensitization;Engineered bacteria;Catalase;Gold nanoparticle
期刊:
Journal of Nanobiotechnology
ISSN:
1477-3155
年:
2025
卷:
23
期:
1
页码:
1-15
基金类别:
This work was supported by the National Natural Science Foundation of China (82272028, 82102087), National Key R&D Program of China (2019YFE0110400), and Hunan Provincial Health High-Level Talent Scientific Research Project (R2023010).
机构署名:
本校为第一且通讯机构
院系归属:
公共卫生学院
摘要:
BACKGROUND: Radiotherapy efficacy remains constrained by two key challenges: dose-dependent toxicity to healthy tissues at high radiation doses and hypoxia-mediated tumor radioresistance. While radiosensitizers like gold nanoparticles can enhance tumor-specific radiation deposition, their targeted delivery to tumors presents a significant hurdle. Bacteria have emerged as promising bio-carriers that not only actively target tumors and penetrate complex microenvironments, but can also be genetically engineered as multifunctional platforms for radiosensitizer delivery and hypoxia alleviation. RES...

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