Abstract
Objectives: Tumor proliferation is guided by neoangiogenesis; microvascular density (MVD) in the tumor micro-environment increases with the action of different immune system stromal cells such as the mast cells (MCs). Methods: We evaluated Ki-67 proliferation rate, MCs positive to tryptase (MCPT), and MVD in a series of 85 gastric cancer (GC) tissue samples from patients undergoing radical surgery. Results: In tumor tissue, a significant correlation between Ki-67 expression, MCPT, and MVD was found through Pearson t-test analysis (p ranged from 0.01 to 0.03). Conclusion: Ki-67 expression and MVD may indicate the survival prognosis of patients and MCPT could repre-sent a biological marker of radical surgery and angiogenesis. Furthermore, MCPT could be consid-ered as a target of novel anti-angiogenic therapies in GC patients. Keywords: Angiogenesis, gastric cancer, mast cells, surgical oncology, tumor microenvironment, tumor pro-liferation
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