Isolation of a lactoferrin cDNA clone and its expression in human breast cancer
1992

Lactoferrin Expression in Human Breast Cancer

Sample size: 59 publication Evidence: moderate

Author Information

Author(s): T. Campbell, R.A. Skilton, R.C. Coombes, S. Shousha, M.D. Graham, Y.A. Luqmani

Primary Institution: St George's Hospital Medical School

Hypothesis

Does lactoferrin expression correlate with breast cancer characteristics?

Conclusion

Lactoferrin is downregulated in some breast cancers and may indicate ineffective endocrine therapy.

Supporting Evidence

  • Lactoferrin was highly expressed in lactating breast and normal resting tissue.
  • Immunoreactive lactoferrin was found in 49% of ductal carcinoma in situ cases.
  • Expression of lactoferrin was inversely related to estrogen receptor protein expression.

Takeaway

Lactoferrin is a protein found in breast tissue, and its presence might mean that some breast cancers won't respond well to certain treatments.

Methodology

The study involved screening a cDNA library from breast cancer tissue and analyzing lactoferrin expression in various breast tissues and tumors.

Limitations

The study did not find significant relationships with other clinical parameters and had a small sample size for some analyses.

Participant Demographics

The study included patients with invasive primary breast tumors and ductal carcinoma in situ.

Statistical Information

P-Value

0.0001

Statistical Significance

p=0.0001

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