Polymorphic epithelial mucin from the sera of advanced breast cancer patients - isolation and partial characterisation
1990

Polymorphic Epithelial Mucin in Advanced Breast Cancer

publication Evidence: moderate

Author Information

Author(s): C. O'Sullivan, M.R. Price, R.W. Baldwin

Primary Institution: Cancer Research Campaign Laboratories, University of Nottingham

Hypothesis

The study investigates the purification and characterization of polymorphic epithelial mucin (PEM) from the sera of advanced breast cancer patients.

Conclusion

The study successfully isolated and partially characterized PEM, which is elevated in the circulation of advanced breast cancer patients.

Supporting Evidence

  • PEM is elevated in the circulation of advanced breast carcinoma patients.
  • The purification process involved immunoaffinity and size-exclusion chromatography.
  • SDS-PAGE and immunoblotting confirmed the characteristics of the isolated PEM.

Takeaway

Doctors found a special substance in the blood of women with advanced breast cancer that could help them understand the disease better.

Methodology

The study used immunoaffinity and size-exclusion chromatography to purify PEM from patient sera, followed by SDS-PAGE and immunoblotting for characterization.

Participant Demographics

Advanced breast cancer patients

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