Fig. 6

Working model. Chemotherapy treatment of TNBC selects for cells with high or induced IMPDH2 expression. The resulting chemo-resistant cells possess high GTP levels and increased pro-tumorigenic phenotypes but are exquisitely sensitive to iMPDH2 inhibition. Figure partly created in BioRender (https://BioRender.com Bianchi-Smiraglia, A. (2025) https://BioRender.com/q21s162).