ADP-Ribosylation Factor 6 Mediates E-Cadherin Recovery by Chemical Chaperones
2011

Chemical Chaperones Help Restore E-Cadherin in Gastric Cancer Cells

publication Evidence: moderate

Author Information

Author(s): Figueiredo Joana, Simões-Correia Joana, Söderberg Ola, Suriano Gianpaolo, Seruca Raquel

Primary Institution: Institute of Molecular Pathology and Immunology of the University of Porto

Hypothesis

Chemical chaperones may act through the modulation of proteins involved in E-cadherin regulation and cellular trafficking.

Conclusion

The study demonstrates that chemical chaperones can restore mutant E-cadherin expression and stability at the plasma membrane by modulating the trafficking machinery.

Supporting Evidence

  • Chemical chaperones can restore mutant E-cadherin to the plasma membrane.
  • DMSO treatment significantly increases E-cadherin expression.
  • Arf6 downregulation is linked to increased E-cadherin stability.
  • Different chemical chaperones have varying effects on E-cadherin recovery.
  • Manipulation of Arf6 can enhance E-cadherin expression.
  • DMSO improves E-cadherin interaction with key proteins involved in its trafficking.

Takeaway

Researchers found that certain chemicals can help fix a protein called E-cadherin, which is important for keeping cells together, especially in stomach cancer.

Methodology

The study used cell lines expressing wild type and mutant E-cadherin, treated them with chemical chaperones, and analyzed E-cadherin expression and trafficking.

Statistical Information

P-Value

p=0.0004

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023188

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