Expression analysis of mitotic spindle checkpoint genes in breast carcinoma: role of NDC80/HEC1 in early breast tumorigenicity, and a two-gene signature for aneuploidy
2011

Study of Genes Related to Breast Cancer and Aneuploidy

Sample size: 47 publication 10 minutes Evidence: moderate

Author Information

Author(s): Bièche Ivan, Vacher Sophie, Lallemand François, Tozlu-Kara Sengül, Bennani Hind, Beuzelin Michèle, Driouch Keltouma, Rouleau Etienne, Lerebours Florence, Ripoche Hugues, Cizeron-Clairac Géraldine, Spyratos Frédérique, Lidereau Rosette

Primary Institution: Institut Curie

Hypothesis

The study investigates the role of mitotic spindle checkpoint genes in breast cancer and their potential as diagnostic markers for aneuploidy.

Conclusion

The study identifies several dysregulated genes in breast tumors that may serve as diagnostic or prognostic markers for aneuploidy.

Supporting Evidence

  • Forty (52.6%) of the 76 genes were significantly upregulated in the invasive breast tumors compared to normal breast tissues.
  • NDC80 was the gene with the strongest upregulation (3.6-fold) in benign breast tumors compared to normal tissues.
  • A two-gene expression signature (PLK1 + AURKA) was identified that discriminated between DNA aneuploid and DNA diploid breast tumor samples.

Takeaway

This study looks at how certain genes behave in breast cancer, helping doctors understand which tumors might be more dangerous.

Methodology

Real-time quantitative RT-PCR was used to measure the expression of 76 mitotic spindle checkpoint genes in breast tumor samples.

Limitations

The study's findings need further validation in larger prospective studies.

Participant Demographics

The study involved 47 primary breast tumors from women, including 23 DNA aneuploid and 24 DNA diploid tumors.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1476-4598-10-23

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