Expression of pepsinogen C in human breast tumours and correlation with clinicopathologic parameters
1993

Pepsinogen C in Breast Tumours

Sample size: 245 publication Evidence: moderate

Author Information

Author(s): I. Diez-Itza, A.M. Merino, J. Tolivia, F. Vizoso, L.M. Sánchez, C. Lopez-Otin

Primary Institution: Universidad de Oviedo

Hypothesis

Can pepsinogen C serve as a marker for good prognosis in breast cancer?

Conclusion

Pepsinogen C expression is significantly associated with better prognostic factors in breast cancer.

Supporting Evidence

  • 46% of breast tumors showed positive immunostaining for pepsinogen C.
  • Pepsinogen C levels were higher in estrogen receptor positive tumors.
  • Well and moderately differentiated tumors had higher pepsinogen C levels than poorly differentiated tumors.

Takeaway

This study found that a protein called pepsinogen C is present in many breast tumors, and its levels can help predict how well a patient might do.

Methodology

Immunohistochemical staining was used to evaluate pepsinogen C expression in breast tumor samples.

Limitations

The study had a short follow-up period for patients.

Participant Demographics

245 women who underwent surgery for primary breast carcinoma, with ages ranging from 26 to 90.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

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