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中华胸部外科电子杂志 ›› 2015, Vol. 02 ›› Issue (04) : 232 -236. doi: 10.3877/cma.j.issn.2095-8773.2015.04.005

所属专题: 文献

论著

TPX2在食管胃交界部腺癌中的表达及临床意义
沈亮1, 许一鸣1, 丁胜光1, 仲崇俊1,()   
  1. 1. 226001 南通市第一人民医院胸心血管外科
  • 收稿日期:2015-08-20 出版日期:2015-11-28
  • 通信作者: 仲崇俊
  • 基金资助:
    南通市卫生局青年科研基金(WQ2014021)

Expression of TPX2 in esophageal gastric junction adenocarcinoma and its clinical significance

Liang Shen1, Yiming Xu1, Shengguang Ding1, Chongjun Zhong1,()   

  1. 1. Department of Thoracic and Cardiovascular Surgery, Nantong First People’s Hospital, Nantong 226001, China
  • Received:2015-08-20 Published:2015-11-28
  • Corresponding author: Chongjun Zhong
  • About author:
    Corresponding author: Zhong Chongjun, Email:
引用本文:

沈亮, 许一鸣, 丁胜光, 仲崇俊. TPX2在食管胃交界部腺癌中的表达及临床意义[J]. 中华胸部外科电子杂志, 2015, 02(04): 232-236.

Liang Shen, Yiming Xu, Shengguang Ding, Chongjun Zhong. Expression of TPX2 in esophageal gastric junction adenocarcinoma and its clinical significance[J]. Chinese Journal of Thoracic Surgery(Electronic Edition), 2015, 02(04): 232-236.

目的

研究TPX2在食管胃交界部腺癌组织中的表达,并探讨其临床意义。

方法

采用免疫组织化学法分析80例食管胃交界部腺癌、41例癌旁不典型增生组织及48例正常胃黏膜组织中TPX2蛋白的表达;运用RT- PCR法检测TPX2 mRNA在40例食管胃交界部腺癌、36例癌旁不典型增生组织和28例正常胃黏膜组织中的表达水平。

结果

食管胃交界部腺癌、癌旁不典型增生组织及正常胃黏膜组织中的TPX2蛋白阳性率分别为71.2% (57/80)、53.7% (22/41)和31.2% (15/48),三组间比较差异有统计学意义(χ2=10.315,P=0.018);TPX2 mRNA阳性率分别为77.5%(31/40)、69.4% (25/36)和7.1%(2/28),三组间比较差异也有统计学意义(χ2=7.468,P=0.025)。TPX2蛋白及mRNA在食管胃交界部腺癌组织中表达的阳性率随着肿瘤浸润深度增加、淋巴结转移和肿瘤分期增高而逐渐增高(P<0.05),而与性别、年龄及组织分化程度均无关(P>0.05)。

结论

TPX2的异常表达可能是食管胃交界部上皮细胞癌变与浸润转移的重要因素,TPX2的检测有利于食管胃交界部腺癌的早期诊断和预后判断。

Objective

To investigate the expression of TPX2 in esophageal gastric junction adenocarcinoma and its clinic significance.

Methods

Immunohistochemistry was used to detect the expression of TPX2 protein in 80 cases of esophageal gastric junction adenocarcinoma, 41 cases of adjacent atypical hyperplasia tissues and 48 cases of normal gastric mucosa tissues. RT-PCR was adopted to determine the expression of TPX2 mRNA in 40 cases of esophageal gastric junction adenocarcinoma, 36 cases of adjacent atypical hyperplasia tissues and 28 cases of normal gastric mucosa tissues.

Results

The positive rates of TPX2 protein expression in esophageal gastric junction adenocarcinoma, adjacent atypical hyperplasia tissues and normal gastric mucosa tissues were 71.2% (57/80), 53.7% (22/41) and 31.2% (15/48), respectively, and there were significant differences among them(χ2=10.315, P=0.018). The positive rates of TPX2 mRNA expression were 77.5%(31/40), 69.4%(25/36) and 7.1%(2/28), respectively, and there were significant differences among them(χ2=7.468, P=0.025). The positive rates of expression of TPX2 protein and mRNA in esophageal gastric junction adenocarcinoma increased with the infiltration depth, lymph node metastasis and tumor staging(P<0.05), while were not related to sex, age and tissue differentiation (P>0.05).

Conclusions

The abnormal expression of TPX2 may be involved in early carcinogenesis, infiltration and metastasis of esophageal gastric junction adenocarcinoma, and the detection of TPX2 expression may play an important role in the early diagnosis and prognosis prediction in patients with esophageal gastric junction adenocarcinoma.

图1 免疫组织化学法检测TPX2蛋白的表达 SP×400。A:正常胃黏膜组织;B:癌旁不典型增生组织;C:食管胃交界部腺癌组织。
表1 TPX2蛋白和mRNA在不同类型组织中的表达
图2 RT-PCR法检测TPX2 mRNA的表达。M表示marker;A表示正常胃黏膜膜组织;B表示癌旁不典型增生组织;C表示食管胃交界部腺癌组织。
表2 TPX2与食管胃交界部腺癌临床特点的关系
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