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Updated: Aug 11, 2026

Selected Reaction Monitoring Mass Spectrometry for Absolute Protein Quantification
Published on: August 17, 2015
Global profiling of cellular targets of gambogic acid by quantitative chemical proteomics
Yiqing Zhou1, Weichao Li2, Xixi Zhang3
1CAS Key Laboratory of Synthetic Biology, CAS Centre for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China. ylxiao@sibs.ac.cn.
Abstract:
Gambogic acid has shown significant potential as an anti-cancer and anti-inflammatory compound; however, the molecular mechanism underlying the actions of gambogic acid, particularly its cellular target profiles, has not been investigated. In this study, we report the proteome-wide profiling of potential cellular targets of gambogic acid using quantitative mass spectrometry-based chemical proteomics. The target profiles of gambogic acid in living HeLa and K562 cells were identified, which strengthened our understanding of the mode of actions of the phytochemical.

