m6A modification in cancer regulation: molecular circuits and regulatory networks Yiming Li, Kunrui Zhu, Yanqi Feng, Shuxi Yao, Yuelin Han, Xiangtian Xiao, Zhuoyan Han and Shu Xia Vis Cancer Med, 6 (2025) 12 Published online: 13 August 2025 DOI: 10.1051/vcm/2025011