Clinical significance of serum macrophage-colony stimulating factor (M-CSF) in esophageal cancer patients and its comparison with classical tumor markers
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Marta Łukaszewicz-Zając
Abstract
Background: Hematopoietic growth factors (HGFs), such as macrophage-colony stimulating factor (M-CSF) are produced aberrantly in many malignancies. Esophageal cancer (EC) is characterized by late diagnosis, rapid progression and poor survival. The purpose of the present study was to determine the clinical usefulness of M-CSF in the diagnosis of EC and its histological type – squamous cell cancer of the esophagus (ESCC).
Methods: The study included 80 patients with EC (54 with ESCC and 26 with adenocarcinoma of the esophagus) and 30 healthy subjects. The serum concentrations of M-CSF, carcinoembryonic antigen (CEA) and squamous cell cancer antigen (SCC-Ag) were determined using immunoenzyme assays. We defined the percentage of increased concentrations of proteins tested and the areas under the receiver-operating characteristics (ROC) curves.
Results: In EC and ESCC patients, serum concentrations of M-CSF, CEA and SCC-Ag were significantly higher compared with healthy subjects. Concentrations of M-CSF in both groups analyzed (EC and ESCC) showed a tendency for increases with depth of tumor invasion, the presence of lymph node and distant metastases. The combined use of M-CSF with SCC-Ag increased their percentage of increased concentrations, and this value was higher than for classical tumor markers in both groups analyzed. The area under ROC curve for M-CSF was larger than for CEA in EC patients.
Conclusions: Our findings suggest the potential usefulness of serum M-CSF concentrations as a tumor marker for EC, especially in combination with SCC-Ag. However, the diagnostic value of this cytokine may be limited because of its non-specific nature.
Clin Chem Lab Med 2010;48:1467–73.
©2010 by Walter de Gruyter Berlin New York
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