TRAPPC4-ERK2 Interaction Activates ERK1/2, Modulates Its Nuclear Localization and Regulates Proliferation and Apoptosis of Colorectal Cancer Cells
2011

TRAPPC4-ERK2 Interaction in Colorectal Cancer

publication 10 minutes Evidence: moderate

Author Information

Author(s): Zhao Shu-Liang, Hong Jie, Xie Zuo-Quan, Tang Jie-Ting, Su Wen-Yu, Du Wan, Chen Ying-Xuan, Lu Rong, Sun Dan-Feng, Fang Jing-Yuan

Primary Institution: Department of Gastroenterology, Shanghai Jiao-Tong University School of Medicine Ren-Ji Hospital

Hypothesis

Does the TRAPPC4-ERK2 interaction play a role in colorectal cancer cell proliferation and apoptosis?

Conclusion

TRAPPC4 regulates ERK1/2 activation and localization, influencing colorectal cancer cell proliferation and apoptosis.

Supporting Evidence

  • TRAPPC4 was identified as an ERK2-interacting factor through yeast two-hybrid screening.
  • Depletion of TRAPPC4 led to decreased nuclear levels of activated ERK1/2 and increased apoptosis in colorectal cancer cells.
  • Overexpression of TRAPPC4 resulted in increased cell viability and nuclear localization of activated ERK1/2.

Takeaway

TRAPPC4 helps a protein called ERK1/2 work better in cancer cells, which can make the cells grow more or die less.

Methodology

Yeast two-hybrid screening, co-immunoprecipitation, and Western blotting were used to study the TRAPPC4-ERK2 interaction and its effects on colorectal cancer cells.

Limitations

The study primarily focuses on a single cell line and may not fully represent all colorectal cancer types.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023262

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication