The trefoil factor interacting protein TFIZ1 binds the trefoil protein TFF1 preferentially in normal gastric mucosal cells but the co-expression of these proteins is deregulated in gastric cancer
2009

Interaction of TFIZ1 and TFF1 in Gastric Cancer

Sample size: 15 publication 10 minutes Evidence: moderate

Author Information

Author(s): May Felicity E.B., Griffin S. Michael, Westley Bruce R.

Primary Institution: University of Newcastle upon Tyne

Hypothesis

The study investigates the binding and co-expression of TFIZ1 and TFF1 in normal gastric mucosa and gastric cancer.

Conclusion

The co-expression of TFIZ1 and TFF1 is disrupted in gastric cancer, with TFF1 expression in the absence of TFIZ1 being associated with a more invasive cancer phenotype.

Supporting Evidence

  • TFIZ1 and TFF1 are co-expressed in normal gastric mucosa.
  • TFIZ1 expression is lost early in gastric cancer.
  • TFF1 can be expressed in the absence of TFIZ1 in cancer cells.
  • The presence of TFF1 without TFIZ1 is linked to lymph node metastasis.

Takeaway

This study shows that two proteins, TFIZ1 and TFF1, work together in healthy stomach cells, but in cancer, they often don't work together anymore, which might make the cancer worse.

Methodology

The study involved immunohistochemistry and co-immunoprecipitation to analyze the expression and interaction of TFIZ1 and TFF1 in gastric samples.

Limitations

The study is limited to the analysis of protein expression and does not explore the underlying genetic mechanisms.

Participant Demographics

The study involved gastric samples from 15 individuals with gastric cancer.

Statistical Information

P-Value

0.007

Statistical Significance

p=0.007

Digital Object Identifier (DOI)

10.1016/j.biocel.2008.07.015

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