Objective: To study the potential role of cellular macrophage colony-stimulating factor (cM-CSF) and cellular macrophage colony-stimulating factor receptor (cM-CSF-R) with breast cancer and hepatoma and search the way for clinical application. Methods: Frozen surgical specimens from 48 breast cancer patients, including 29 cases of histological grade II and 19 eases of grade III, and 16 hepatoma patients were investigated by Avidin Biotin Complex (ABC) immunohistochemical assay with anti-M-CSF monoclonal antibody (Mab) and anti-M-CSF-R Mab. Pathohistological examination was performed as well. Results: cM-CSF and cM-CSF-R were detected in tested specimens. The expression levels of cM-CSF and cM-CSF-R in grade III group were higher than in grade II group and more higher than control group hyperplasia of breast. Hepatoma tissues also showed higher expression level of cM-CSF and cM-CSF-R than normal adult and fetal liver. Conclusion: Breast cancer and hepatoma tissues presented higher expression levels of cM-CSF and cM-CSF-R than control and expression level might be related with tumor’s process.
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