Abstract:Objective To analyze the expression of B-cell translocation gene 1 (BTG-1) in tissue of esophageal squamous cell carcinoma and the effect on apoptosis of esophageal squamous cell carcinoma cell line EC9706. Methods A total of 164 paraffin blocks of squamous cell carcinoma collected through surgery or endoscopic biopsy and 76 adjacent normal tissue surgical blocks were collected from the First Affiliated Hospital of Zhengzhou University from January 2014 to December 2017. The expression of BTG-1 protein and mRNA in the two groups were detected by immunohistochemistry and in situ hybridization, and their relationships with pathological parameters were analyzed. The BTG-1 overexpressing cell line was established, and the apoptosis of human esophageal squamous cell carcinoma cell line EC9706 was detected by AnnexinV-FITC/PI double labeling flow cytometry. Results The positive expression rates of BTG-1 protein and messenger ribonucleic acid (mRNA) in esophageal squamous cell carcinoma tissues were significantly lower than those in adjacent normal tissues (χ2=32.718, 55.729; all P﹤ 0.001). The positive expression rates of BTG-1 protein and mRNA in specimens with lymph node metastasis, at TNM stage Ⅲ - Ⅳ and histological grade Ⅱ - Ⅲ were significantly lower than those without lymph node metastasis, at TNM stage Ⅰ - Ⅱ and of histological grade Ⅰ (χ2=29.078, 5.970, 7.660, 31.127, 8.624, 10.624; all P﹤0.001). The early apoptosis rate in BTG-1 group was significantly higher than that in blank control group (t = 15.484, P < 0.001). Conclusion The expression of BTG1 in tissues of esophageal squamous cell carcinoma is significantly lower than that in adjacent normal tissues. It is closely related to the presence of lymph node metastasis, TNM stage and histological grade. High expression of BTG-1 may promote the apoptosis of cell of esophageal squamous cell carcinoma.
高明 刘丽英 李晟磊 张明智▲. 食管鳞状细胞癌组织中BTG-1的表达及其对食管鳞状细胞癌细胞株EC9706凋亡的影响[J]. 中国医药导报, 2019, 16(7): 7-10.
GAO Ming LIU Liying LI Shenglei ZHANG Mingzhi▲. Expression of BTG-1 in esophageal squamous cell carcinoma tissues and the effect on apoptosis of esophageal squamous cell carcinoma cell line EC9706. 中国医药导报, 2019, 16(7): 7-10.
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