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Article

Heteronemin suppresses EGF‑induced proliferation through the PI3K/PD‑L1 signaling pathways in cholangiocarcinoma

  • Authors:
    • Yu-Chen S.H. Yang
    • Chung-Che Tsai
    • Yung-Ning Yang
    • Feng-Cheng Liu
    • Sheng-Yang Lee
    • Jen-Chang Yang
    • Dana R. Crawford
    • Hsien-Chung Chiu
    • Mei-Chin Lu
    • Zi-Lin Li
    • Yi-Chen Chen
    • Tin-Yi Chu
    • Jacqueline Whang-Peng
    • Hung-Yun Lin
    • Kuan Wang
  • View Affiliations / Copyright

    Affiliations: Joint Biobank, Office of Human Research, Taipei Medical University, Taipei 11031, Taiwan, R.O.C., Graduate Institute of Nanomedicine and Medical Engineering, College of Medical Engineering, Taipei Medical University, Taipei 11031, Taiwan, R.O.C., School of Medicine, College of Medicine, I‑Shou University, Kaohsiung 84001, Taiwan, R.O.C., Division of Rheumatology, Immunology and Allergy, Tri‑Service General Hospital, Taipei 11490, Taiwan, R.O.C., School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan, R.O.C., Department of Immunology and Microbial Disease, Albany Medical College, Albany, NY 12208, USA, Department of Periodontology, School of Dentistry, National Defense Medical Center and Tri‑Service General Hospital, Taipei 11490, Taiwan, R.O.C., National Museum of Marine Biology and Aquarium, Pingtung 94450, Taiwan, R.O.C., Graduate Institute of Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan, R.O.C.
  • Article Number: 32
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    Published online on: January 9, 2025
       https://doi.org/10.3892/or.2025.8865
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Abstract

Epidermal growth factor (EGF) binds with its surface receptor to stimulate gene expression and cancer cell proliferation. EGF stimulates cancer cell growth via phosphoinositide 3‑kinase (PI3K) and programmed cell death ligand 1 (PD‑L1) pathways. As an integrin αvβ3 antagonist, heteronemin exhibits potent cytotoxic effects against cancer cells. It inhibits critical signal transduction pathways promoted by the EGF. In the current study, EGF‑induced signal activation and proliferative effects were investigated in cholangiocarcinoma cells and its molecular targets using qPCR and western blotting analyses. In addition, cell viability assays were performed to assess the growth effects of EGF and heteronemin. Heteronemin reversed the effects of EGF and was further enhanced by blockage of PI3K's activity. In summary, EGF stimulates cholangiocarcinoma cell growth. On the other hand, heteronemin inhibited PI3K activation and PD‑L1 expression to reverse the stimulative effects of EGF‑induced gene expression and proliferation in cholangiocarcinoma cells.
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Copy and paste a formatted citation
Spandidos Publications style
Yang YS, Tsai C, Yang Y, Liu F, Lee S, Yang J, Crawford DR, Chiu H, Lu M, Li Z, Li Z, et al: Heteronemin suppresses EGF‑induced proliferation through the PI3K/PD‑L1 signaling pathways in cholangiocarcinoma. Oncol Rep 53: 32, 2025.
APA
Yang, Y.S., Tsai, C., Yang, Y., Liu, F., Lee, S., Yang, J. ... Wang, K. (2025). Heteronemin suppresses EGF‑induced proliferation through the PI3K/PD‑L1 signaling pathways in cholangiocarcinoma. Oncology Reports, 53, 32. https://doi.org/10.3892/or.2025.8865
MLA
Yang, Y. S., Tsai, C., Yang, Y., Liu, F., Lee, S., Yang, J., Crawford, D. R., Chiu, H., Lu, M., Li, Z., Chen, Y., Chu, T., Whang-Peng, J., Lin, H., Wang, K."Heteronemin suppresses EGF‑induced proliferation through the PI3K/PD‑L1 signaling pathways in cholangiocarcinoma". Oncology Reports 53.3 (2025): 32.
Chicago
Yang, Y. S., Tsai, C., Yang, Y., Liu, F., Lee, S., Yang, J., Crawford, D. R., Chiu, H., Lu, M., Li, Z., Chen, Y., Chu, T., Whang-Peng, J., Lin, H., Wang, K."Heteronemin suppresses EGF‑induced proliferation through the PI3K/PD‑L1 signaling pathways in cholangiocarcinoma". Oncology Reports 53, no. 3 (2025): 32. https://doi.org/10.3892/or.2025.8865
Copy and paste a formatted citation
x
Spandidos Publications style
Yang YS, Tsai C, Yang Y, Liu F, Lee S, Yang J, Crawford DR, Chiu H, Lu M, Li Z, Li Z, et al: Heteronemin suppresses EGF‑induced proliferation through the PI3K/PD‑L1 signaling pathways in cholangiocarcinoma. Oncol Rep 53: 32, 2025.
APA
Yang, Y.S., Tsai, C., Yang, Y., Liu, F., Lee, S., Yang, J. ... Wang, K. (2025). Heteronemin suppresses EGF‑induced proliferation through the PI3K/PD‑L1 signaling pathways in cholangiocarcinoma. Oncology Reports, 53, 32. https://doi.org/10.3892/or.2025.8865
MLA
Yang, Y. S., Tsai, C., Yang, Y., Liu, F., Lee, S., Yang, J., Crawford, D. R., Chiu, H., Lu, M., Li, Z., Chen, Y., Chu, T., Whang-Peng, J., Lin, H., Wang, K."Heteronemin suppresses EGF‑induced proliferation through the PI3K/PD‑L1 signaling pathways in cholangiocarcinoma". Oncology Reports 53.3 (2025): 32.
Chicago
Yang, Y. S., Tsai, C., Yang, Y., Liu, F., Lee, S., Yang, J., Crawford, D. R., Chiu, H., Lu, M., Li, Z., Chen, Y., Chu, T., Whang-Peng, J., Lin, H., Wang, K."Heteronemin suppresses EGF‑induced proliferation through the PI3K/PD‑L1 signaling pathways in cholangiocarcinoma". Oncology Reports 53, no. 3 (2025): 32. https://doi.org/10.3892/or.2025.8865
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