Altered splicing of CEACAM1 in breast cancer: Identification of regulatory sequences that control splicing of CEACAM1 into long or short cytoplasmic domain isoforms
2008

CEACAM1 Splicing Changes in Breast Cancer

Sample size: 10 publication Evidence: moderate

Author Information

Author(s): Gaur Shikha, Shively John E, Yen Yun, Gaur Rajesh K

Primary Institution: Beckman Research Institute of the City of Hope

Hypothesis

Is splicing of CEACAM1 altered in breast cancer?

Conclusion

The study found that altered splicing of CEACAM1 may play a significant role in breast cancer development.

Supporting Evidence

  • CEACAM1 is expressed in a tissue-specific manner.
  • The ratios of CEACAM1 splice variants differ significantly between normal and cancerous breast tissues.
  • Two regulatory elements controlling CEACAM1 splicing were identified.

Takeaway

This study looked at how a gene called CEACAM1 changes in breast cancer. It found that the way this gene is put together is different in cancer compared to normal tissue.

Methodology

The study used RT-PCR to analyze CEACAM1 splice variants in normal and cancerous breast tissues.

Limitations

The study was performed at the mRNA level and requires further examination at the protein level.

Participant Demographics

Patients aged 31-64 who had not undergone chemotherapy or radiation prior to surgery.

Statistical Information

P-Value

p<0.007

Statistical Significance

p<0.007

Digital Object Identifier (DOI)

10.1186/1476-4598-7-46

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