• Medicine · Apr 2020

    Observational Study

    Observation of tumor-associated macrophages expression in gastric cancer and its clinical pathological relationship.

    • Qing Zhu, Xia Wu, Mingyang Tang, and Ligao Wu.
    • Departments of Pathology, The First Affiliated Hospital of Bengbu Medical College.
    • Medicine (Baltimore). 2020 Apr 1; 99 (17): e19839e19839.

    AbstractThe present study was designed to investigate the expression of tumor-associated macrophages (TAMs) in gastric cancer and its clinicopathological relationship. In addition, we also aimed to analyze the relationship between helicobacter pylori (HP) infection and TAMs in gastric cancer.The protein expression of CD16 and CD163 in 90 gastric cancer tissues and 30 margin tissues was detected by immunohistochemistry. HP infection was detected in 90 gastric cancer tissues and 30 margin tissues by gram staining and immunohistochemistry.There was no clear correlation between CD16 macrophages and gastric cancer. The density of CD163 macrophages was not correlated with the general condition of tumor patients, but with tumor size, tumor differentiation, lymphatic metastasis, depth of invasion and TNM stage. Additionally, the infection rate of HP in gastric cancer tissues was significantly higher.In summary, TAMs are associated with tumor size, degree of differentiation, depth of invasion, lymph node metastasis and TNM stage, suggesting their critical role in the invasion and metastasis of gastric cancer.

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