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Updated: Jul 10, 2025

Assessment of Global DNA Double-Strand End Resection using BrdU-DNA Labeling coupled with Cell Cycle Discrimination Imaging
Published on: April 28, 2021
Dual-responsive probe and DNA interstrand crosslink precursor target the unique redox status of cancer cells
Dehao Yu1, Luo Wang1, Jingao Li1
1The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, Department of Nuclear Medicine, Tianjin Medical University General Hospital, Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, P. R. China. sunhuabing@tmu.edu.cn.
Abstract:
Elevated GSH and H2O2 in cancer cells is sometimes doubted due to their contrary reactivities. Here, we construct a dual-responsive fluorescent probe to confirm the conclusion, and employ this to exploit a redox-inducible DNA interstrand crosslink (ICL) precursor. It crosslinks DNA upon activation by GSH and H2O2, affording an alternative dual-responsive strategy.

