Inhibition of Rho-associated coiled-coil containing protein kinase enhances the activation of epidermal growth factor receptor in pancreatic cancer cells
2011

How a Protein Affects Cancer Cell Growth

publication Evidence: moderate

Author Information

Author(s): Nakashima Masanori, Adachi Seiji, Yasuda Ichiro, Yamauchi Takahiro, Kawaguchi Junji, Hanamatsu Toshimasa, Yoshioka Takashi, Okano Yukio, Hirose Yoshinobu, Kozawa Osamu, Moriwaki Hisataka

Primary Institution: Gifu University Graduate School of Medicine

Hypothesis

What is the role of Rho-kinase in EGF receptor signaling in pancreatic cancer cells?

Conclusion

ROCK negatively regulates the EGFR pathway, which is important for pancreatic cancer cell proliferation.

Supporting Evidence

  • ROCK inhibition increased EGF-induced BrdU incorporation in pancreatic cancer cells.
  • Y27632, a ROCK inhibitor, enhanced EGF-induced phosphorylation of EGFR.
  • ROCK activation was shown to negatively regulate EGFR signaling pathways.

Takeaway

This study found that a protein called ROCK helps turn off signals that make pancreatic cancer cells grow, which could help in finding new treatments.

Methodology

The study used cell proliferation assays, Western blot analysis, and immunofluorescence microscopy to investigate the effects of ROCK inhibition on EGF signaling in pancreatic cancer cells.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1476-4598-10-79

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