Radioprotective activity of curcumin-encapsulated liposomes against genotoxicity caused by Gamma Cobalt-60 irradiation in human blood cells
2017
AbstractPurpose: While the radioprotective activity of curcumin against genotoxicity has been well established, its poor oral bioavailability has limited its successful clinical applications. Nanoscale formulations, including liposomes, have been demonstrated to improve curcumin bioavailability. The objective of the present work was (1) to prepare and characterize curcumin-encapsulated liposomes (i.e. size, colloidal stability, encapsulation efficiency, and payload), and (2) subsequently to evaluate their radioprotective activity against genotoxicity in human blood cells caused by Gamma Cobalt-60 irradiation.Materials and methods: The curcumin-encapsulated liposomes were prepared by lipid-film hydration method using commercial phosphatidylcholine (i.e. Phospholipon® 90G). The blood cells were obtained from healthy male donors (n = 3) under an approved ethics protocol. The cell uptake and the radioprotective activity of the curcumin-encapsulated liposomes were characterized by fluorescence microscopy and m...
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