Murine mammary tumor cells with a claudin-low genotype
2011

Characterization of Claudin-Low Breast Cancer Cells from Mice

publication Evidence: moderate

Author Information

Author(s): Campbell Craig I, Thompson Devan E, Siwicky Megan D, Moorehead Roger A

Primary Institution: University of Guelph

Hypothesis

Can murine mammary tumor cells with a claudin-low genotype provide insights into the claudin-low breast cancer subtype?

Conclusion

Mammary tumor cells from MTB-IGFIR transgenic mice can serve as effective models for studying claudin-low breast cancer.

Supporting Evidence

  • The RM11A and RJ348 cells express high levels of mesenchymal genes and low levels of E-cadherin.
  • These cells are highly tumorigenic when reintroduced into the mammary fat pad of mice.
  • Claudin-low tumors have a reported prevalence of 7-14% and poor prognosis.

Takeaway

Scientists studied special cancer cells from mice to learn more about a type of breast cancer that is hard to treat.

Methodology

Cell lines were derived from MTB-IGFIR transgenic mice and characterized using gene expression analysis and tumor formation assays.

Limitations

The study primarily focuses on murine models, which may not fully replicate human disease.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1475-2867-11-28

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