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Published on: January 22, 2018
CD40 expression and its prognostic significance in human gastric carcinoma
Jing Guo1, Jia-Jia Xiao, Xiaoli Zhang
1The Affiliated Hospital of Shandong Academy of Medical Sciences, University of Jinan, No. 38 Wu Ying-Shan Road, Tianqiao District, Jinan, 250031, Shandong Province, China, guojingtaiji@126.com.
Abstract:
This study aimed to detect the relationship between CD40 (protein and mRNA) expression and human gastric cancer and to determine the prognostic significance of CD40 in gastric cancer patients. We collected 128 cases of gastric cancer specimens, and the expression of CD40 (protein and mRNA) was measured by immunohistochemistry and in situ hybridization. Our study indicated that CD40 is constitutively expressed in human gastric carcinoma tissues. Positive expression of CD40 (protein and mRNA) in gastric cancer tissues was closely related to the tumor TNM stage and the presence of distant metastasis, with CD40 mRNA also being correlated with the presence of lymphatic metastasis. Furthermore, the expression of CD40 (protein and mRNA) is closely related to the prognosis of gastric cancer patients. The expression of CD40 protein and mRNA is positively correlated with the presence of distant (for both protein and mRNA) and lymphatic (for mRNA only) metastasis, and an increased tumor TNM stage in gastric carcinoma. Patients who express low levels of CD40 may have a better prognosis than those who have higher levels of CD40.
