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Korean Society for Biochemistry and Molecular Biology (생화학분자생물학회)
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Gefitinib induces anoikis in cervical cancer cells

  • Byung Chul Jung (Department of Nutritional Sciences and Toxicology, University of California) ;
  • Sung-Hun Woo (Department of Biomedical Laboratory Science, College of Software and Digital Healthcare Convergence, Yonsei University) ;
  • Sung Hoon Kim (Department of Biomedical Laboratory Science, College of Software and Digital Healthcare Convergence, Yonsei University) ;
  • Yoon Suk Kim (Department of Biomedical Laboratory Science, College of Software and Digital Healthcare Convergence, Yonsei University)
  • Received : 2023.11.28
  • Accepted : 2023.12.29
  • Published : 2024.02.29
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Abstract

Gefitinib exerts anticancer effects on various types of cancer, such as lung, ovarian, breast, and colon cancers. However, the therapeutic effects of gefitinib on cervical cancer and the underlying mechanisms remain unclear. Thus, this study aimed to explore whether gefitinib can be used to treat cervical cancer and elucidate the underlying mechanisms. Results showed that gefitinib induced a caspase-dependent apoptosis of HeLa cells, which consequently became round and detached from the surface of the culture plate. Gefitinib induced the reorganization of actin cytoskeleton and downregulated the expression of p-FAK, integrin β1 and E-cadherin, which are important in cell-extracellular matrix adhesion and cell-cell interaction, respectively. Moreover, gefitinib hindered cell reattachment and spreading and suppressed interactions between detached cells in suspension, leading to poly (ADP-ribose) polymerase cleavage, a hallmark of apoptosis. It also induced detachment-induced apoptosis (anoikis) in C33A cells, another cervical cancer cell line. Taken together, these results suggest that gefitinib triggers anoikis in cervical cancer cells. Our findings may serve as a basis for broadening the range of anticancer drugs used to treat cervical cancer.

Keywords

References

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