Expression of basic fibroblast growth factor, FGFR1 and FGFR2 in normal and malignant human breast, and comparison with other normal tissues
1992

Expression of basic fibroblast growth factor and its receptors in breast tissue

Sample size: 66 publication Evidence: moderate

Author Information

Author(s): Y.A. Luqmani, M. Graham, R.C. Coombes

Primary Institution: Charing Cross Hospital Medical School

Hypothesis

The study aims to assess the expression of bFGF and its receptors FGFR1 and FGFR2 in human breast tissues.

Conclusion

The study found that bFGF and its receptors are expressed in both normal and malignant breast tissues, but at significantly lower levels in cancerous tissues.

Supporting Evidence

  • bFGF levels were significantly lower in cancerous tissues compared to non-malignant tissues.
  • FGFR2 expression was also significantly reduced in cancer samples.
  • FGFR1 levels varied depending on the region amplified, with significant differences observed.

Takeaway

This study looked at how a growth factor and its receptors are found in breast tissue, showing that they are less present in cancer compared to normal tissue.

Methodology

The expression levels of bFGF, FGFR1, and FGFR2 were measured using polymerase chain reaction (PCR) and compared between cancerous and non-cancerous breast tissue samples.

Limitations

The study's values are arbitrary and cannot be directly compared across different genes.

Participant Demographics

{"age_range":"29-79","mean_age":65,"menopausal_status":{"pre":15,"post":33,"not_known":18}}

Statistical Information

P-Value

{"bFGF":"<0.0001","FGFR2":"0.0078","FGFR1_A":"0.0002","FGFR1_B":"0.046"}

Statistical Significance

p<0.0001

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