Polymeric nanoparticle-based activatable near-infrared nanosensor for protease determination in vivo

  • Seulki Lee
  • , Ju Hee Ryu
  • , Kyeongsoon Park
  • , Aeju Lee
  • , Seung Young Lee
  • , In Chan Youn
  • , Cheol Hee Ahn
  • , Soon Man Yoon
  • , Seung Jae Myung
  • , Dae Hyuk Moon
  • , Xiaoyuan Chen
  • , Kuiwon Choi
  • , Ick Chan Kwon
  • , Kwangmeyung Kim*
  • *Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    142 Citations (Scopus)

    Abstract

    We report here a new protease activatable strategy based on a polymer nanoparticle platform. This nanosensor delivers chemically labeled matrix metalloproteinase (MMP)-activatable fluorogenic peptides to the specific MMPs of interest in vivo. Intravenous administration of the nanosensor in an MMP-positive SCC-7 xenograft tumor and a colon cancer mouse model verified the enzyme specificity of the nanosensor in vivo. The design platform of the nanosensor is flexible and can be fine-tuned for a wide array of applications such as the detection of biomarkers, early diagnosis of disease, and monitoring therapeutic efficacy.

    Original languageEnglish
    Pages (from-to)4412-4416
    Number of pages5
    JournalNano Letters
    Volume9
    Issue number12
    DOIs
    Publication statusPublished - 2009 Dec 9

    ASJC Scopus subject areas

    • Bioengineering
    • General Chemistry
    • General Materials Science
    • Condensed Matter Physics
    • Mechanical Engineering

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