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YES1 as a potential target to overcome drug resistance in EGFR-deregulated non-small cell lung cancer

  • Molecular Toxicology
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Abstract

Epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitors (TKIs) such as gefitinib and osimertinib have primarily been used as first-line treatments for patients with EGFR-activating mutations in non-small cell lung cancer (NSCLC). Novel biomarkers are required to distinguish patients with lung cancer who are resistant to EGFR-TKIs. The aim of the study is to investigate the expression and functional role of YES1, one of the Src-family kinases, in EGFR-TKI-resistant NSCLC. YES1 expression was elevated in gefitinib-resistant HCC827 (HCC827/GR) cells, harboring EGFR mutations. Moreover, HCC827/GR cells exhibited increased reactive oxygen species (ROS) levels compared to those of the parent cells, resulting in the phosphorylation/activation of YES1 due to oxidation of the cysteine residue. HCC827/GR cells showed elevated expression levels of YES1-associated protein 1 (YAP1), NF-E2-related factor 2 (Nrf2), cancer stemness-related markers, and antioxidant proteins compared to those of the parent cells. Knockdown of YES1 in HCC827/GR cells suppressed YAP1 phosphorylation, leading to the inhibition of Bcl-2, Bcl-xL, and Cyclin D1 expression. Silencing YES1 markedly attenuated the proliferation, migration, and tumorigenicity of HCC827/GR cells. Dasatinib inhibited the proliferation of HCC827/GR cells by targeting YES1-mediated signaling pathways. Furthermore, the combination of gefitinib and dasatinib demonstrated a synergistic effect in suppressing the proliferation of HCC827/GR cells. Notably, YES1- and Nrf2-regulated genes showed a positive regulatory relationship in patients with lung cancer and in TKI-resistant NSCLC cell lines. Taken together, these findings suggest that modulation of YES1 expression and activity may be an attractive therapeutic strategy for the treatment of drug-resistant NSCLC.

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All data supporting the findings of this study are available within the paper and its Supplementary Information. Raw data are available from the corresponding author upon reasonable request.

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Acknowledgements

This work was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (NRF-2020R1A2C1103139 to D.-H.K. and NRF-2021R1C1C1012378 to J.L.). We would like to sincerely thank Prof. Jin Kyung Rho for providing us access to the gefitinib-resistant HCC827 cells.

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DHK conceived and designed the experiments. EJK performed all experiments. EJK, JL, and DHK collected and analyzed the data. EJK, JL, and DHK performed statistical analyses, interpreted the experimental results, and prepared the figures. All the authors have read and approved the final version of the manuscript.

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Correspondence to Do-Hee Kim.

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Kook, E., Lee, J. & Kim, DH. YES1 as a potential target to overcome drug resistance in EGFR-deregulated non-small cell lung cancer. Arch Toxicol 98, 1437–1455 (2024). https://doi.org/10.1007/s00204-024-03693-7

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  • DOI: https://doi.org/10.1007/s00204-024-03693-7

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