The acute phase response in breast carcinoma

Area of Science:

• Oncology
• Biochemistry
• Immunology

Background:

• The acute phase response is a physiological reaction to tissue injury, infection, or malignancy, potentially indicating a poor prognosis.
• Acute phase proteins, including C-reactive protein (CRP) and serum amyloid A (SAA), are key indicators of this response.
• Their role in breast carcinoma and potential as prognostic markers require further investigation.

Purpose of the Study:

• To evaluate the levels of CRP and SAA in breast carcinoma patients at presentation and during follow-up.
• To assess the diagnostic and prognostic value of these acute phase proteins in managing breast cancer.
• To correlate acute phase protein levels with tumor stage and characteristics.

Main Methods:

• Quantitative measurement of CRP and SAA in serum samples from 92 breast carcinoma patients and 31 patients with benign breast disease.
• Serial measurements of CRP and SAA in patients with metastatic disease and those without disease progression.
• Statistical analysis to compare protein levels between patient groups and assess their correlation with clinical parameters.

Main Results:

• Significantly higher CRP and SAA levels were observed in Stage 4 breast cancer patients compared to controls.
• The highest concentrations of CRP and SAA were found in patients with T4 ulcerating tumors.
• Elevated CRP levels were noted at recurrence, but neither CRP nor SAA reliably predicted recurrence during follow-up.

Conclusions:

• Elevated CRP and SAA levels are associated with advanced and ulcerating breast tumors.
• Acute phase proteins may serve as indicators of disease burden in breast cancer.
• Serial measurements of CRP and SAA are not beneficial for predicting tumor recurrence in breast cancer patients.