DACT3-DVL1 Interaction-Mediated Canonical WNT Signaling Regulates Non-Small Cell Lung Cancer Progression and Cisplatin Resistance

Researchers at China Medical University have made a significant discovery in understanding the mechanisms of non-small cell lung cancer (NSCLC) progression and cisplatin resistance. Their study, published in The FASEB Journal, reveals that the interaction between disheveled binding antagonist of b-catenin 3 (DACT3) and disheveled 1 (DVL1) inhibits the DVL1-induced activation of canonical WNT signaling, thereby preventing NSCLC progression and cisplatin resistance.

Key Takeaways:

  • The study highlights the negative regulatory role of DACT3 in canonical WNT signaling, which inhibits NSCLC progression and cisplatin resistance.
  • Immunohistochemical evaluation of DACT3 and DVL1 expressions in resected NSCLC samples demonstrated a correlation between reduced DACT3 expression and lymphatic metastasis and poor prognosis in patients.
  • The biological behavior of NSCLC cells and the effect of transfection of DACT3/DVL1 cDNA and siRNA-DACT3 into NSCLC cells upon activation of canonical WNT signaling was examined, revealing that the interaction between DVL1 and DACT3 inhibits the DVL1-induced activation of canonical WNT signaling.
  • The study provides new insights into the molecular mechanisms underlying NSCLC progression and cisplatin resistance, and highlights the potential of targeting the DACT3-DVL1 interaction as a therapeutic strategy for NSCLC treatment.
  • The research was funded by the Natural Science Foundation of Liaoning Province and the Department of Science and Technology of Liaoning Province.
  • The study's findings have significant implications for the development of new therapeutic approaches for NSCLC patients.

Statistics:

  • Reduced expression of DACT3 showed a correlation with lymphatic metastasis and poor prognosis in patients (p < 0.05).
  • The study examined the biological behavior of NSCLC cells and the effect of transfection of DACT3/DVL1 cDNA and siRNA-DACT3 into NSCLC cells upon activation of canonical WNT signaling.
  • The research was published in The FASEB Journal, 2025;39(16).

Sources:

  • The FASEB Journal. DACT3-DVL1 Interaction-Mediated Canonical WNT Signaling Regulates Non-Small Cell Lung Cancer Progression and Cisplatin Resistance. 2025;39(16).
  • NewsRx. Researchers at China Medical University Report New Data on Non-Small Cell Lung Cancer (DACT3-DVL1 Interaction-Mediated Canonical WNT Signaling Regulates Non-Small Cell Lung Cancer Progression and Cisplatin Resistance). Cancer Weekly. September 16, 2025; p 2663.