期刊
BIOMATERIALS SCIENCE
卷 8, 期 19, 页码 5317-5328出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0bm00681e
关键词
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资金
- National Natural Science Foundation of China [NSFC 51672250, 51902289, 81950410638]
- Natural Science Foundation of Zhejiang Province [LQ19E020010]
- Zhejiang International Science and Technology Cooperation Project [2019C04020]
- Education Department of Zhejiang [Y201840323]
- School Foundation for Innovation Teams on Biomedical Materials [11110031742002, 18012134-Y]
Oncolytic adenoviruses (OAs) have shown great potential for cancer viral gene therapy in clinical studies. To date, clinical trials have shown that the curative efficacy of OAs is still limited by hepatic sequestration and preexisting neutralizing antibodies (nAbs), which decrease the accumulation of the OAs in tumors. Herein, with the biosilicification method, we encapsulated an OA encoding the anticancer gene Trail (OA-Trail) with silica, which significantly improved virus distribution and tumor inhibition.In vitroandin vivoresults indicated that compared with the native OA, biosilicified OA-Trail (OA-Trail@SiO2) showed significantly reduced viral clearance in the liver and evaded nAb degradation, inducing an efficacious anticancer effect under the premise of biocompatibility. These achievements present an alternative strategy involving biosilicification for enhanced OA-based cancer gene therapy.
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