Journal
NEW JOURNAL OF CHEMISTRY
Volume 43, Issue 4, Pages 1785-1790Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8nj04255a
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Funding
- Natural Science Foundation Committee of China [NSFC 81671803]
- National Key Research and Development Program [2017YFC0107700]
- Outstanding Youth Foundation of Jiangsu Province [GX20171114003, BK20170030]
- Fok Ying Tung Education Foundation [161033]
- Double First-Class University project [CPU2018GY06]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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The I6P7 peptide was proved to specifically bind to the interleukin-6 receptor, which can be exploited as an effective tumor-targeting moiety. Herein, a novel tumor-targeting fluorescent probe (DMP) conjugated with the I6P7 peptide was designed and synthesized. This probe was validated to possess valuable photophysical properties. The biocompatibility was evaluated by investigating its cytotoxicity on HUVEC and U87 cells, respectively. The tumor cell affinity has been confirmed by bio-imaging of this probe on different human cancer cells (U87, A549 and MCF-7 cells) and normal cells (HUVEC cell). The probe demonstrates low cytotoxicity, high tumor cell affinity and favorable mitochondria-targeting capability. Overall, these results revealed that DMP can serve as an important fluorescent probe for tumor-targeted bio-imaging.
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