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- W4385752092 abstract "To prepare S2.2/DOX magnetic nanoliposomes by combining the potential benefits of MNPs in MRI and the targeted performance of nano-drugs as an innovative method for integrated diagnosis and treatment of breast cancer (BC).We created a S2.2-PEG-MZF/DOX molecular probe by using a lipid material to encapsulate PEG-MZF-NPs and doxorubicin (DOX), and a S2.2 aptamer to target MUC1 to conjugate with PEG-MZF/DOX nanoliposomes. The potential of probe for cell-specific targeting and magnetic resonance (MR) molecular imaging was evaluated by MR scanner and Prussian blue staining. Additionally, we explored the feasibility by using nanoliposome magnetic induction heating to interfere with MCF-7 (MUC1+) BC cells under the influence of an alternating magnetic field (AMF).PEG-MZF-NPs were biologically safe. The T2 relaxation rate of PEG-MZF-NPs was found to inhibit T2 signal in a concentration-dependent manner, and the T2 signal of the S2.2-PEG-MZF molecular probe in MCF-7 cells was significantly lower than that in PEG-MZF-NPs group. Moreover, the T2 signal reduction was more pronounced in MCF-7 cells than in the hepatoma cell line HepG2 (MUC1-), suggesting a strong MRI potential of the S2.2-PEG-MZF molecular probe. The S2.2-PEG-MZF/DOX nanoliposome was able to achieve the desired temperature range for tumor hyperthermia (42-44 °C) in vitro. The S2.2-PEG-MZF/DOX nanoliposome accompanied by magnetic fluid hyperthermia (MFH) could inhibit proliferation and invasion and induce apoptosis of MCF-7 cells. The effects of this approach were significantly higher than those observed in the other groups.We successfully developed a novel technique for BC diagnosis and treatment using thermochemotherapy under the guidance of MR molecular imaging. This approach holds great potential for improving the management of this devastating disease in the future." @default.
- W4385752092 created "2023-08-12" @default.
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- W4385752092 date "2023-01-01" @default.
- W4385752092 modified "2023-10-14" @default.
- W4385752092 title "Use of S2.2/DOX Magnetic Nanoliposomes in MR Molecule Imaging and Targeted Thermochemotherapy for Breast Cancer In Vitro" @default.
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- W4385752092 doi "https://doi.org/10.1177/15330338231194498" @default.
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