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2000
Volume 26, Issue 2
  • ISSN: 1871-5206
  • E-ISSN: 1875-5992

Abstract

Introduction

Although the development of SHP2 inhibitors has made striking progress, there is no inhibitor in clinical evaluation because of the potential side effects induced by poor drug distribution. Fluorescence imaging technology is widely used in the process of diagnosis and treatment of diseases because of the advantages of rapid imaging and non-destructive detection and might provide a new way to explore the mechanism of drug-target interactions in intact tissue.

Methods

A series of 2-quinolone derivatives as fluorescent inhibitors against SHP2 were designed and synthesized, and their spectral properties and biological activities were evaluated in this report. The representative compound had excellent fluorescence properties (: 562 nm, Stokes shift: 170 nm, fluorescence quantum yield: 0.072) and optical stability.

Results

Moreover, compound emitted a blue signal in SHP2WT U2OS cells and inhibited the SHP2 enzyme abilities (IC: 20.16 ± 0.95 μM) without the extra combination of suitable fluorophores, linker, or selective-activated molecules.

Conclusion

Therefore, we hope that compound could act as a lead to develop novel, convenient, and bifunctional chemical tools to explore the mechanism of drug-target interactions in intact tissue and promote the integrated research progress of diagnosis and treatment of SHP2 related diseases.

© 2026 Bentham Science Publishers
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2026-02-22

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Synthesis and Evaluation of Optical Properties, SHP2 Inhibitory Activity, and Cellular Imaging for Novel 2-Quinolone Derivatives
Anti-Cancer Agents in Medicinal Chemistry 26, 165 (2026); https://doi.org/10.2174/0118715206337347250219112715
/content/journals/acamc/10.2174/0118715206337347250219112715
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  • Article Type:     Research Article
Keyword(s): 2-quinolone derivatives; drug tracing; Fluorescent inhibitors; medical diagnosis; optical properties; SHP2

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