A sequence previously identified as metastasis-related encodes an acidic ribosomal phosphoprotein, P2
1990

Study of Ribosomal Protein P2 in Breast Cancer

Sample size: 56 publication Evidence: moderate

Author Information

Author(s): M.G.F. Sharp, S.M. Adams, P. Elvin, R.A. Walker, W.J. Brammar, J.M. Varley

Primary Institution: University of Leicester

Hypothesis

The expression levels of ribosomal protein P2 mRNA differ between benign and malignant breast tumors.

Conclusion

The study found that P2 mRNA expression is significantly higher in benign fibroadenomas compared to malignant breast carcinomas.

Supporting Evidence

  • The expression of P2 mRNA was significantly higher in seven fibroadenomas than in seven carcinomas.
  • The average difference in expression was five-fold.
  • Previous studies indicated that ribosomal proteins may play a role in tumor progression.

Takeaway

This study looked at a protein called P2 in breast tumors and found that it is more common in non-cancerous tumors than in cancerous ones.

Methodology

The study involved screening a cDNA library from breast carcinoma and comparing mRNA levels in fibroadenomas and carcinomas using Northern blotting.

Limitations

The study's sample size may not be large enough to generalize findings across all breast cancer types.

Participant Demographics

The study included samples from 49 patients with breast tumors and 47 individuals with normal tissue.

Statistical Information

P-Value

<0.01

Statistical Significance

p<0.01

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication