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To integrate targeted diagnosis and treatment of cancer, we proposed to develop a gadolinium (Gd) agent based on the properties of apoferritin (AFt). To this end, we not only optimized… Click to show full abstract
To integrate targeted diagnosis and treatment of cancer, we proposed to develop a gadolinium (Gd) agent based on the properties of apoferritin (AFt). To this end, we not only optimized a series of Gd(III) 8-hydroxyquinoline-2-carboxaldehyde-thiosemicarbazone compounds to obtain a Gd(III) compound (C4) with remarkable T1-weighted magnetic resonance imaging (MRI) performance and cytotoxicity to cancer cells in vitro but also constructed an AFt-C4 nanoparticle (NP) delivery system. Importantly, AFt-C4 NPs improved the targeting ability of C4 in vivo and showed enhanced MRI performance and tumor growth inhibition ratio relative to C4 alone. Furthermore, we confirmed that C4 and AFt-C4 NPs inhibited tumor growth through apoptosis, ferroptosis, and ferroptosis-induced immune response.
Journal Title: Journal of medicinal chemistry
Year Published: 2023
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