Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 242, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2023.124673
Keywords
Magnetic nanoparticles; Box-Behnken design; Lutein; Alginate; Chitosan; Breast cancer
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Magnetic drug targeting using superparamagnetic iron oxide nanoparticles can enhance the cytotoxicity of lutein in breast cancer cells. The optimized LUT-CS/Alg-Fe3O4-NPs showed controlled size, narrow distribution, better crystallinity, and sustained-release profile. With the exposure to a permanent magnet, the optimized LUT-CS/Alg-Fe3O4-NPs demonstrated significantly enhanced cytotoxicity and potential as magnetically targeted delivery for breast cancer.
Magnetic drug targeting can be a strategy for effectively delivering phytochemicals in cancer treatment. Here, we demonstrate the benefit of magnetic targeting with superparamagnetic iron oxide nanoparticles for cytotoxicity enhancement of lutein (LUT) against breast cancer cells. Fabrication of LUT-loaded chitosan/alginate iron oxide nanoparticles (LUT-CS/Alg-Fe3O4-NPs) was optimized by a statistical approach using response surface meth-odology based on the Box-Behnken design. The optimized LUT-CS/Alg-Fe3O4-NPs with a balance among LUT concentration, copolymer coating, and iron ion concentration exhibited controlled size, narrow size distribution, better crystallinity, excellent saturation magnetization, and sustained-release profile. The negligible magnetic coercivity and remanent magnetization confirmed the superparamagnetism of the prepared NPs. The optimized LUT-CS/Alg-Fe3O4-NPs were biocompatible while exhibiting a significantly enhanced cytotoxicity towards breast cancer MCF-7 cells upon exposure to a permanent magnet compared to free LUT with a 4-fold increase, sug-gesting the potential of LUT-CS/Alg-Fe3O4-NPs as magnetically targeted delivery for breast cancer.
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