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- W4328102533 endingPage "102667" @default.
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- W4328102533 abstract "Liver cancer such as hepatocellular carcinoma (HCC) poorly responds to chemotherapeutics as there are no effective means to deliver the drugs to liver cancer. Here we report GalNAc decorated exosomes as cargo for targeted delivery of Paclitaxel (PTX) and miR122 to liver tumors as an effective means to inhibit the HCC. Exosomes (Exos) are nanosized extracellular vesicles that deliver a payload to cancer cells effectively. GalNAc provides Exos targeting ability by binding to the asialoglycoprotein-receptor (ASGP-R) overexpressed on the liver cancer cell surface. A 4-way junction (4WJ) RNA nanoparticle was constructed to harbor 24 copies of hydrophobic PTX and 1 copy of miR122. The 4WJ RNA-PTX complex was loaded into the Exos, and its surface was decorated with GalNAc using RNA nanotechnology to obtain specific targeting. The multi-specific Exos selectively bind and efficiently delivered the payload into the liver cancer cells and exhibited the highest cancer cell inhibition due to the multi-specific effect of miR122, PTX, GalNAc, and Exos. The same was reflected in mice xenograft studies, the liver cancer was efficiently inhibited after systemic injection of the multi-specific Exos. The required effective dose of chemical drugs carried by Exos was significantly reduced, indicating high efficiency and low toxicity. The multi-specific strategy demonstrates that Exos can serve as a natural cargo vehicle for the targeted delivery of anticancer therapeutics to treat difficult-to-treat cancers." @default.
- W4328102533 created "2023-03-22" @default.
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- W4328102533 date "2023-06-01" @default.
- W4328102533 modified "2023-10-02" @default.
- W4328102533 title "Ligand-displaying-exosomes using RNA nanotechnology for targeted delivery of multi-specific drugs for liver cancer regression" @default.
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- W4328102533 doi "https://doi.org/10.1016/j.nano.2023.102667" @default.
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