A novel label-free fluorescence assay for dipeptidyl peptidase 4 activity detection based on supramolecular self-assembly

Abstract
This article presents a new label-free fluorescence assay based on supramolecular self-assembly of cucurbit[7]uril and specific peptide Gly-Pro-Phe-Gly for monitoring DPP4 activity in clinical samples. It also displays a good potential application in high-throughput screening of DPP4 inhibitors.
Funding Information
  • National Natural Science Foundation of China (81774151, 81822047)
  • Fundamental Research Funds for the Central Universities (2019XZZX004-16)
  • Health and Family Planning Commission of Sichuan Province (1701-02, 201840244)
  • Zhejiang University

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