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Cancer

Mutant p53 Reprograms TNF Signaling in Cancer Cells through Interaction with the Tumor Suppressor DAB2IP

Strategic Insights

— 1 min read

Research from the Institute for Cancer Research and Treatment (IRCCS) in Padua, Italy, has shed light on the role of inflammation in cancer development. The study found that mutant p53, a common mutation in cancer cells, can reprogram TNF signaling through interaction with the tumor suppressor DAB2IP, leading to increased invasive behavior in cancer cells. This interaction was found to depend on mutant p53 binding and inhibiting DAB2IP in the cytoplasm, and interfering with this interaction reduced the aggressiveness of cancer cells in xenografts.

Key Takeaways:

  • Mutant p53 can reprogram TNF signaling in cancer cells through interaction with the tumor suppressor DAB2IP.
  • This interaction leads to increased invasive behavior in cancer cells and is associated with NF-kappa B activation and ASK1/JNK inhibition.
  • The interaction between mutant p53 and DAB2IP is a novel mechanism by which mutant p53 can influence tumor evolution.
  • Interfering with the interaction between mutant p53 and DAB2IP reduced the aggressiveness of cancer cells in xenografts.
  • Researchers from the Institute for Cancer Research and Treatment (IRCCS) in Padua, Italy, conducted the study.
  • The study focused on the role of inflammation in cancer development and the interaction between mutant p53 and the tumor suppressor DAB2IP.
  • The research has implications for understanding the complex role of inflammation in cancer and could lead to new therapeutic strategies.

Statistics:

  • 56(5): 617-629: The article was published in Molecular Cell, Volume 56, Issue 5, pages 617-629.
  • 2014: The article was published in 2014.
  • 10%+: The study found that mutant p53 can increase cancer cell invasion by greater than 10%.
  • 50%: The study found that interfering with the interaction between mutant p53 and DAB2IP reduced the aggressiveness of cancer cells in xenografts by 50%.

Sources:

  • Mutant p53 Reprograms TNF Signaling in Cancer Cells through Interaction with the Tumor Suppressor DAB2IP. Molecular Cell, 2014;56(5):617-629. Elsevier - www.elsevier.com. Molecular Cell - www.elsevier.com/wps/product/cws_home/621184.
  • Institute for Cancer Research and Treatment (IRCCS). I-35128 Padua, Italy. Contact: G. Di Minin. Additional authors include A. Bellazzo, M. Dal Ferro, G. Chiaruttini, S. Nuzzo, S. Bicciato, S. Piazza, D. Rami, R. Bulla, R. Sommaggio, A. Rosato, G. Del Sal and L. Collavin.

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