Systematic Generation of Mutations at Topoisomerase II Cleavage Sites Enables Cancer Adaptation to Doxorubicin Therapy
Valid Gahramanov, Anjana Edathil Kadangodan, Riham Barazi, Arkadi Hesin, Julia A. Yaglom, Vadim Levitt, Yaakov Maman, Michael Y. Sherman
The paper shows that cancer cells develop resistance to doxorubicin by accumulating mutations at Top2 cleavage sites, which prevent DNA damage and promote adaptation.
bioRxiv · Aug 21, 2026 · PreprintCancer Biology