Despite the superior tumor lytic efficacy of oncolytic viruses (OVs), their systemic delivery still faces the challenges of limited circulating periods, poor tumor tropism, and spontaneous antiviral immune responses. Herein, a virus-concealed tumor-targeting strategy enabling OVs‘ delivery toward lung metastasis via systemic administration is described. The OVs can actively infect, be internalized, and cloak into tumor cells. Then the tumor cells are subsequently treated with liquid-nitrogen-shocking to eliminate the pathogenicity. Such a Trojan Horse-like vehicle avoids virus neutralization and clearance in the bloodstream and facilitates tumor-targeted delivery for more than 110-fold virus enrichment in the tumor metastasis. In addition, this strategy can serve as a tumor vaccine and initiate endogenous adaptive antitumor effects through increasing the memory T cells and modulating the tumor immune microenvironment, including reducing the M2 macrophage, downregulating Treg cells, and priming T cells.
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Mouse TNF-α High Sensitivity ELISA Kit检测试剂盒(酶联免疫吸附法)
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- EK280
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Mouse IL-6 ELISA Kit检测试剂盒(酶联免疫吸附法)
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- EK206HS
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Mouse IL-6 High Sensitivity ELISA Kit检测试剂盒(酶联免疫吸附法)
- ¥2,000.00 – ¥3,400.00