ArticleSignal transduction and targeted therapy2025
MUCIN 1 confers inflammatory memory of tyrosine kinase inhibitor resistance in non-small cell lung cancer.
Article in Signal transduction and targeted therapy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- M1C is a druggable target for NSCLC KRAS G12C mutant tumors resistant to KRAS inhibitors.Oncogene · 2026Article
- M1C IS NECESSARY FOR DARAXONRASIB RESISTANCE OF NSCLC KRAS(G12C) MUTANT CELLS.bioRxiv : the preprint server for biology · 2026Article
- Evolution of the MUC1 gene in eutherian mammals as an adaptation responsible for the increasing incidence of cancer in humans.Biochimica et biophysica acta. Reviews on cancer · 2026Review
- Mitochondrial niches of residual disease in EGFR-mutant NSCLC: immune-constrained persistence and therapeutic interception.Frontiers in immunology · 2026Review
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Authors and funding
20 authors.
Funding
Abstract
Resistance of NSCLCs to osimertinib, an EGFR tyrosine kinase inhibitor (TKI), is mediated by pleotropic mechanisms that pose a significant challenge for subsequent treatment. We report that the oncogenic MUC1-C/M1C protein confers resistance to osimertinib by regulating the STAT1 and interferon (IFN) type I/II pathways. Studies of osimertinib-resistant NSCLC cell lines selected for growth in the absence of drug demonstrate dependence on MUC1-C and the STAT1 pathway for memory of the refractory phenotype. This inflammatory memory of TKI resistance is mediated through activation of the MUC1 gene at (i) a proximal enhancer-like signature 1 (pELS-1) by MUC1-C and STAT1 and (ii) a pELS-2 by MUC1-C, JUN/AP-1, and PBAF. Our results further reveal that the MUC1-C-driven STAT1 inflammatory response promotes resistance of patient-derived (i) EGFR mutant NSCLC cells with MET amplification to the combination of osimertinib+MET TKIs, and (ii) EGFR(T790M/C797S) NSCLC cells to the 4th generation EGFR TKI TQB3804. Of clinical significance, we report that NSCLC cells dependent on MUC1-C for TKI resistance are druggable with an antibody-drug conjugate (M1C ADC) in vitro and in a PDX tumor model. These findings demonstrate that MUC1-C (i) is essential for TKI resistance of NSCLC cells by driving an inflammatory memory response and (ii) is a target for M1C ADC treatment of TKI-refractory NSCLCs.
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