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| Home > Publications database > TROP2 targeting reveals therapy-driven cell state dynamics in colorectal cancer. |
| Home > Publications database > TROP2 targeting reveals therapy-driven cell state dynamics in colorectal cancer. |
| Journal Article | DKFZ-2026-01635 |
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2026
Nature Publ. Group
London [u.a.]
Abstract: Metastasis remains the leading cause of cancer-related mortality and is driven by pronounced tumour cell plasticity1. Here we identify the transmembrane glycoprotein trophoblast cell-surface antigen 2 (TROP2) as a marker of poor-prognosis colorectal cancer (CRC) associated with WNTlow, fetal-like tumour cell states that are linked to metastasis and therapy resistance. Functional analyses demonstrate that TROP2+ cells exhibit context-dependent stem-like capacity and the ability to initiate metastatic outgrowth. Given that these detrimental tumour states converge on the cell-surface antigen TROP2, we explored therapeutic targeting of this cell population using clinically relevant TROP2-directed antibody-drug conjugates. Time-resolved analyses reveal therapy-associated dynamics in tumour cell state composition between WNThi LGR5+ states and WNTlowTROP2+ fetal-like states. Conventional chemotherapy promotes the induction of TROP2-expressing cells, whereas TROP2 antibody-drug conjugates selectively target these populations and remodel the tumour cell state landscape. Exploiting this plasticity, combined chemotherapy and TROP2 targeting enhances anti-tumour efficacy in patient-derived models. Together, our findings identify TROP2 as a therapeutic vulnerability of CRC and highlight the importance of targeting tumour cell states to improve therapeutic efficacy and overcome resistance in advanced disease.
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