LgR5 expression and cancer stem cell hypothesis: clue to define the true origin of esophageal adenocarcinomas with and without Barrett's Esophagus?
2011

LgR5 Expression and Its Role in Esophageal Adenocarcinomas

Sample size: 70 publication 10 minutes Evidence: moderate

Author Information

Author(s): Burkhard H. A. von Rahden, Stefan Kircher, Maria Lazariotou, Christoph Reiber, Luisa Stuermer, Christoph Otto, Christoph T. Germer, Martin Grimm

Primary Institution: University Hospital Wuerzburg

Hypothesis

Does LgR5 expression help define the true origin of esophageal adenocarcinomas with and without Barrett's Esophagus?

Conclusion

LgR5 is expressed in esophageal adenocarcinomas and is associated with poorer survival outcomes.

Supporting Evidence

  • LgR5 was expressed in 85% of EAC with Barrett's Esophagus.
  • LgR5 expression was significantly higher in Barrett's Esophagus compared to EAC.
  • High LgR5 expression was associated with poorer survival outcomes.

Takeaway

This study looked at a marker called LgR5 in stomach cancer and found that it might help understand where the cancer comes from and how it affects survival.

Methodology

The study analyzed LgR5 expression in 70 esophageal cancer specimens using immunohistochemistry and RT-PCR.

Potential Biases

Potential bias due to the selection of archival tissue samples and the exclusion of patients who received preoperative therapies.

Limitations

The study is limited by its retrospective design and the small sample size of certain subgroups.

Participant Demographics

The study included 70 patients, with 41 having Barrett's Esophagus and 19 without, predominantly male.

Statistical Information

P-Value

0.0159

Confidence Interval

95% CI 24.761 - 39.954%

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1756-9966-30-23

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