Serum Ferritin is a Novel Predictive Marker for Breast Cancer Metastasis and the Combination with CA153 Optimizes Metastasis Monitoring

Xufeng Yao, Hezhang Sha, Xiang He, Lu Gan, Xiaoyi Wang, Qiao Cheng

Article ID: 7781
Vol 38, Issue 1, 2024
DOI: https://doi.org/10.23812/j.biol.regul.homeost.agents.20243801.52
Received: 20 January 2024; Accepted: 20 January 2024; Available online: 20 January 2024; Issue release: 20 January 2024

Abstract

Background: Breast cancer has become the most common cancer worldwide. Early detection of metastatic events is vital for improving survival. Currently, the serum tumor markers for monitoring metastatic breast cancer in clinic practice are carbohydrate antigen (CA153) and carcinoembryonic antigen (CEA) based on the 2007 edition of American Society of Clinical Oncology (ASCO) guidelines. This study aims to identify more specific, sensitive, and cost-effective tumor markers to improve the accuracy of predicting distant metastasis of breast cancer. Methods: A total of 468 breast cancer patients, including 170 patients with distant metastasis and 298 without metastasis, were retrospectively reviewed. The levels of the serum tumor markers ferritin, CA153, and CEA in both the metastasis and non-metastasis groups, in subgroups of different pathologic types, different metastatic sites, and different tumor burden, were analyzed via one-way analysis of variance and the receiver operating characteristics (ROC) curve. The differences between ROC curves were compared using the paired comparison method. Results: High serum ferritin levels predict distant breast cancer metastasis with the highest specificity and sensitivity among all three markers, especially in hormone receptor (HR)-/ human epidermal growth factor receptor 2 (Her2)+ and HR-/Her2- molecular subtypes. The prediction accuracy for metastasis increased when a combination of two or all three markers, and the combination of ferritin and CA153 could be the optimal choice to maximize the efficiency and predictive ability for metastasis. The baseline levels of all three markers were associated with metastasis tumor burden and could be more sensitive in predicting patients with liver metastasis than patients with lung and bone metastases. Conclusions: The findings obtained from this study suggest that serum ferritin is a putative candidate as a non-invasive biomarker for monitoring breast cancer metastasis that is even more sensitive and specific than the traditional breast tumor markers CA153 and CEA. However, further studies with a more extensive set of patient data are needed to validate the conclusions.


Keywords

serum ferritin;breast cancer;predictive biomarkers;metastasis prediction


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