Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 131, Issue 12, Pages 4216-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja900790v
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Funding
- NIH/NCI [1R21-CA12859]
- NATIONAL CANCER INSTITUTE [R21CA128529] Funding Source: NIH RePORTER
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Dumbbeil-like Au-Fe3O4 nanoparticles (NPs) were made and coupled with Herceptin and a platin complex. The ptatin-Au-Fe3O4-Herceptin NPs act as a target-specific nanocarriers for delivery of platin into Her2-positive breast cancer cells (Sk-Br3) with strong therapeutic effects. The conjugate has a half-maximal inhibitory concentration (IC50) toward Sk-Br3 cells of 1.76 mu g of Pt/mL, which is lower than that needed for cisplatin (3.5 mu g/mL). The work demonstrates that the dumbbell-like Au-Fe3O4 NPs are promising nanocarriers for highly sensitive diagnostic and therapeutic applications.
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