Comparative expression of fibroblast growth factor mRNAs in benign and malignant breast disease
1994

Fibroblast Growth Factor mRNA Levels in Breast Disease

Sample size: 124 publication Evidence: high

Author Information

Author(s): S.Y. Anandappa, J.H.R. Winstanley, S. Leinster, B. Green, P.S. Rudland, R. Barraclough

Primary Institution: University of Liverpool

Hypothesis

The expression levels of fibroblast growth factor mRNAs differ between benign and malignant breast tissues.

Conclusion

Benign breast tissues express significantly higher levels of fibroblast growth factor mRNAs compared to malignant breast cancers.

Supporting Evidence

  • Benign lesions expressed higher levels of basic fibroblast growth factor mRNA than malignant tumors.
  • Approximately 25% of malignant tumors expressed basic fibroblast growth factor mRNA at levels comparable to benign tissues.
  • Statistical analysis showed a significant difference in mRNA levels between benign and malignant samples.

Takeaway

This study found that benign breast tissues have more of a certain growth factor than breast cancer tissues, which might help us understand how breast cancer develops.

Methodology

Tumor specimens were collected from patients, and mRNA levels were analyzed using Northern blotting techniques.

Potential Biases

Potential bias in sample selection and RNA extraction methods.

Limitations

The study did not separately analyze histological grades and stages of the tumors.

Participant Demographics

Mean age of patients with malignant tumors was 57 (range 30-88) and with benign lesions was 44 (range 19-65).

Statistical Information

P-Value

p<0.0001

Confidence Interval

19,013-65,752 for benign; 2,492-6,633 for malignant

Statistical Significance

p<0.0001

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