Ras-ERK1/2-YAP axis mediates posterior cell proliferation in cancer cell clusters Lubiao Liang, Chen Cheng, Yongxiang Song, Gang Xu and Yajin Zhao Eur. Phys. J. Spec. Top., 232 16 (2023) 2751-2759 Published online: 25 August 2023 DOI: 10.1140/epjs/s11734-023-00964-9