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中华普外科手术学杂志(电子版) ›› 2019, Vol. 13 ›› Issue (05) : 515 -517. doi: 10.3877/cma.j.issn.1674-3946.2019.05.027

所属专题: 文献

论著

Beclin-1和SIRT-1在大肠癌组织中的表达及意义
东星1,(), 王晶2, 吕远1   
  1. 1. 100700 解放军总医院第七医学中心普通外科
    2. 解放军总医院第七医学中心妇产科
  • 收稿日期:2019-07-05 出版日期:2019-10-26
  • 通信作者: 东星

The expression and clinical significance of Beclin-1 and SIRT-1 in Colorectal carcinoma

Xing Dong1,(), Jing Wang2, Yuan Lyv1   

  1. 1. Department of General Surgery, the Seventh Medical Center of PLA General Hospital, Beijing 100700, China
    2. Department of Gynecology and Obstetrics, the Seventh Medical Center of PLA General Hospital, Beijing 100700, China
  • Received:2019-07-05 Published:2019-10-26
  • Corresponding author: Xing Dong
  • About author:
    Corresponding author: Dong Xing, Email:
引用本文:

东星, 王晶, 吕远. Beclin-1和SIRT-1在大肠癌组织中的表达及意义[J/OL]. 中华普外科手术学杂志(电子版), 2019, 13(05): 515-517.

Xing Dong, Jing Wang, Yuan Lyv. The expression and clinical significance of Beclin-1 and SIRT-1 in Colorectal carcinoma[J/OL]. Chinese Journal of Operative Procedures of General Surgery(Electronic Edition), 2019, 13(05): 515-517.

目的

研究自噬相关基因Beclin-1和沉默信息调节因子-1(SIRT-1)在大肠癌中的表达情况,探讨其在大肠癌发生、发展及预后中的意义。

方法

应用免疫组织化学方法检测Beclin-1和SIRT-1在58例大肠癌、30例大肠腺瘤及30例正常大肠黏膜组织中的表达,并结合临床病理特征进行分析。统计学分析采用SPSS19.0统计软件进行,计数资料采用χ2检验,相关性分析采用Spearman相关分析,P<0.05为差异具有统计学意义。

结果

Beclin-1及SIRT-1在大肠癌组织中的表达率(79.3%,75.9%)显著高于大肠腺瘤(53.3%,50.0%)及正常大肠黏膜组织(20.0%,23.3%),差异均有统计学意义(P<0.05) 。Beclin-1的表达与大肠癌的临床病理因素均无相关性(P>0.05)。SIRT-1的表达与大肠癌的浸润深度、淋巴结转移、TNM分期呈正相关(P<0.05)。Beclin-1与SIRT-1的表达成正相关(P<0.05) 。Beclin-1和SIRT-1表达阳性的大肠癌患者术后5年生存率明显低于表达阴性者(P<0.05) 。

结论

自噬相关基因Beclin-1和SIRT-1的异常表达在大肠癌的发生中起协同作用,可能作为大肠癌发生、发展、预后的重要判定指标。

Objective

To investigate the expression of autophagy-related genes Beclin-1 and SIRT-1 in colorectal carcinoma, and to explore its clinical significance in the occurrence , development and prognosis of colorectal carcinoma.

Methods

The expression of Beclin-1 and SIRT-1 in 58 cases of colorectal carcinoma, 30 cases of colorectal adenomas and 30 cases of normal colorectal tissues were detected by using immunohistochemical methods, and the clinical and pathological characteristics were analyzed. Statistical analysis was carried out by using SPSS19.0 software. The counting data were tested by χ2 test. Spearman correlation analysis was used for correlation analysis. A P value <0.05 was considered as the statistical significant difference.

Results

The expression of Beclin-1 and SIRT-1 in colorectal cancer tissues (79.3%, 75.9%) were significantly higher than those in colorectal adenoma (53.3%, 50.0%) and normal colorectal mucosa tissues (20.0%, 23.3%) respectively with significant difference (all P<0.05). There was no correlation between Beclin-1 expression and clinicopathological factors in patients with colorectal cancer (P>0.05). The expression of SIRT-1 was positively correlated with the depth of invasion, lymph node metastasis and TNM stage of colorectal cancer (P<0.05). Beclin-1 expression was positively correlated with SIRT-1 expression (P<0.05). The 5-year survival rate of patients with positive expression of Beclin-1 and SIRT-1 was significantly lower than that of patients with negative expression of Beclin-1 (P<0.05).

Conclusions

Abnormal expression of autophagy-related genes Beclin-1 and SIRT-1 plays a synergistic role in the occurrence, development and prognosis of colorectal cancer.

图2 Beclin-1在大肠腺瘤中的阳性表达(SP×200)
图4 SIRT-1在大肠腺瘤中的阳性表达(SP×200)
表1 58例大肠癌组织中Beclin-1与SIRT-1的表达和临床病理因素的关系
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