Distribution pattern of tumor associated macrophages predicts the prognosis of gastric cancer

被引:32
作者
Liu, Jiu-Yang [1 ,2 ]
Peng, Chun-wei [1 ,2 ]
Yang, Gui-Fang [3 ]
Hu, Wen-Qing [4 ]
Yang, Xiao-Jun [1 ,2 ]
Huang, Chao-Qun [1 ,2 ]
Xiong, Bin [1 ,2 ]
Li, Yan [1 ,2 ,5 ]
机构
[1] Wuhan Univ, Dept Gastrointestinal Surg, Hubei Key Lab Tumor Biol Behav, Zhongnan Hosp, Wuhan, Hubei, Peoples R China
[2] Hubei Canc Clin Study Ctr, Wuhan, Hubei, Peoples R China
[3] Wuhan Univ, Dept Pathol, Zhongnan Hosp, Wuhan, Hubei, Peoples R China
[4] Shanxi Med Univ, Dept Surg, Affiliated Hosp 1, Taiyuan, Shanxi, Peoples R China
[5] Capital Med Univ, Dept Peritoneal Canc Surg, Canc Ctr, Beijing Shijitan Hosp, Beijing, Peoples R China
基金
中国国家自然科学基金;
关键词
gastric cancer; tumor microenvironment; macrophages; prognosis; INFILTRATING MACROPHAGES; STROMAL CELLS; IMMUNE CELLS; POLARIZATION; MECHANISMS; INVASION; PROGRESSION; CORRELATE; INSIGHTS;
D O I
10.18632/oncotarget.21575
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Purpose: As mayor biomarkers in tumor microenvironment (TME), tumor associated macrophages (TAMs) of gastric cancer (GC) still needs further studies in terms of the number and distribution pattern. Methods: Herein, tissue microarrays (TMA) incorporating 494 GC surgical samples in duplicate were stained for TAMs infiltration analysis. TAMs number was counted according to the locations, including infiltrating macrophages in cancer nest (MC), in invasive front (MF) and in stroma (MS). Correlations between TAMs number, distribution pattern and clinic-pathological features and survival analyses were performed. Results: Infiltrating macrophages number in GC tissues was much higher than that in peritumoral tissues. TAMs number was not significantly correlated with the overall survival (OS). TAMs distribution pattern could be categorized into MC or MF/MS dominant pattern, and correlated with histological grade (P = 0.001). The median OS of MF/MS dominant pattern (22.1, 95% CI: 23.5-28.9) was significantly shorter than that of MC dominant pattern (25.6, 95% CI: 28.5-35.6) (P = 0.002). By receiver operating characteristic curve (ROC) analysis, the predictive value of TAMs distribution pattern was superior to histological grade and pM stage, but inferior to pN and TNM stage. Conclusions: TAMs distribution pattern could be an independent prognostic factor for the OS of GC patients, and patients with MF/MS dominant pattern had worse outcomes.
引用
收藏
页码:92757 / 92769
页数:13
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