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KMID : 0914820050050030206
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Journal of the Korean Gastric Cancer Association
2005 Volume.5 No. 3 p.206 ~ p.212
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Correlation between Infiltrations of Tumor-associated Macrophages, Mast Cells, and Dendritic Cells with Clinicopathologic Factors in Advanced Gastric Cancer
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Lee Seung-Bum
Chi Kyong-Chon
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Abstract
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Purpose: Angiogenesis has a critical role in tumor proliferation, invasion, and metastasis. In gastric cancer, tumor- associated macrophages and mast cells produce angiogenic factors such as VEGF, that inhibit the functional maturation of dendritic cells. The aim of this study is to identify tumor-associated macrophages, mast cells, dendritic cell infiltrations, and microvessel densities (MVD) to investigate the relationship between them and the prognosis for gastric-cancer patients.
Materials and Methods: The subjects were 79 patients selected from those who had undergone a curative gastric resection for stomach cancer. With them, Immuno-histochemical staining was done using CD34 for the MVD, CD68 antigen for macrophages, and S-100 protein for dendritic cells, and toluidine blue staining was done for mast cells.
Results: Macrophage infiltration showed a statistically significant positive correlation with histologic differentiation and a negative correlation with invasion depth, nodal metastasis, and stage. S-100 (?) dendritic cells and mast cells had no significant correlations with histologic differentiation, invasion depth, nodal metastasis, distant metastasis, stage, and MVD. As survival, no statistically significant differences were seen between the variables.
Conclusion: Tumor-associated macrophages should be evaluated as possible prognostic markers in gastric-cancer patients.
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KEYWORD
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Gastric cnacer, Macrophage, Mast cell, Dendritic cell
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