The MicroRNA-200 Family Is Upregulated in Endometrial Carcinoma
2011

MicroRNA-200 Family and Endometrial Carcinoma

Sample size: 34 publication Evidence: moderate

Author Information

Author(s): Jaime Snowdon, Xiao Zhang, Tim Childs, Victor A. Tron, Harriet Feilotter

Primary Institution: Queen's University and Kingston General Hospital

Hypothesis

The study aims to identify dysregulated microRNAs in endometrioid endometrial adenocarcinoma and its precursor lesion.

Conclusion

The study found that the entire miR-200 family is upregulated in endometrial carcinoma, suggesting its role in tumorigenesis.

Supporting Evidence

  • Forty-three miRNAs were found to be dysregulated in endometrial carcinoma and complex atypical hyperplasia compared to normal controls.
  • The entire miR-200 family was significantly upregulated in endometrial carcinoma cases.
  • The study utilized Agilent Human miRNA arrays for expression profiling.

Takeaway

This study looked at tiny molecules called microRNAs in cancer and found that a specific group, the miR-200 family, is more active in a type of uterine cancer.

Methodology

The study compared the expression of 723 human miRNAs from 14 cases of endometrial carcinoma, 10 cases of complex atypical hyperplasia, and 10 normal controls using microarrays.

Limitations

The study did not have a sufficiently large sample size to detect differences between lower grade and higher grade tumors.

Participant Demographics

Participants included women with endometrial carcinoma and complex atypical hyperplasia, with a median age of 60.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022828

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