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中华胸部外科电子杂志 ›› 2019, Vol. 06 ›› Issue (02) : 106 -110. doi: 10.3877/cma.j.issn.2095-8773.2019.02.06

论著

miR-125b 在食管鳞癌中的表达变化及临床意义
方玉松1, 刘峻岭2, 张志平1, 王宗明1, 尹立国1, 许鹏1,   
  1. 1.250013 山东大学附属济南市中心医院胸食管外科
    2.250013 山东大学附属济南市中心医院手术麻醉科
  • 收稿日期:2019-02-15 出版日期:2019-05-28
  • 通信作者: 许鹏

Expression and clinical significance of miR-125b in esophageal squamous cell carcinoma

Yusong Fang1, Junling Liu2, Zhiping Zhang1, Zongming Wang1, Liguo Yin1, Peng Xu1,   

  1. 1.Department of Thoracic and Esophageal Surgery,Jinan Central Hospital Affiliated to Shandong University,Jinan 250013,China
    2.Department of Operative A nesthesiology,Jinan Central Hospital Affiliated to Shandong University,Jinan 250013,China
  • Received:2019-02-15 Published:2019-05-28
  • Corresponding author: Peng Xu
引用本文:

方玉松, 刘峻岭, 张志平, 王宗明, 尹立国, 许鹏. miR-125b 在食管鳞癌中的表达变化及临床意义[J/OL]. 中华胸部外科电子杂志, 2019, 06(02): 106-110.

Yusong Fang, Junling Liu, Zhiping Zhang, Zongming Wang, Liguo Yin, Peng Xu. Expression and clinical significance of miR-125b in esophageal squamous cell carcinoma[J/OL]. Chinese Journal of Thoracic Surgery(Electronic Edition), 2019, 06(02): 106-110.

目的

观察miR-125b 在食管鳞癌组织和不同分化程度的食管鳞癌细胞中的表达变化,并分析其与食管鳞癌患者临床病理参数及预后的相关性。

方法

体外培养不同分化程度的食管鳞癌细胞系(KYSE410、TE-13、EC9706、KYSE510)和人正常食管细胞系Het-1A,收集89 例手术切除的食管鳞癌和癌旁组织标本及其患者的临床和随访资料。采用qRT-PCR 检测上述组织和细胞中miR-125b的表达;分析组织标本中miR-125b 表达与患者临床病理参数及预后的相关性。

结果

体外培养的食管鳞癌细胞中miR-125b 表达显著低于正常食管细胞(P<0 .05),且低分化食管鳞癌细胞(KYSE410、TE-13)中miR-125b 表达显著低于高分化食管鳞癌细胞(EC9706、KYSE510)(P<0 .05)。食管鳞癌组织中miR-125b 表达显著低于癌旁组织(P<0 .05),且其miR-125b 低表达与pTNM 分期、淋巴结转移及肿瘤分化程度相关(P<0 .05)。生存分析显示miR-125b 低表达患者的预后较差( P<0 .05),Cox 回归分析显示miR-125b 低表达是影响食管鳞癌患者预后的独立影响因子(P<0 .05)。

结论

miR-125b 的异常低表达与食管鳞癌的发生和进展密切相关,是影响患者预后的独立危险因素。

Objective

To detect the expression of miR-125b in esophageal squamous cell carcinoma ( ESCC) tissues and differentiated ESCC cells , and to analyze its correlation with clinicopathological parameters and prognosis of ESCC patients .

Methods

ESCC cell lines including KYSE410 ,TE-13 ,EC9706 ,KYSE510 and human normal esophageal cell lines , Het-1A were cultured in vitro .The clinical data of 89 cases of esophageal squamous cell carcinoma and adjacent tissues were collected .The expression of miR-125b in the above tissues and cells was detected by qRT-PCR . The clinicopathological parameters and follow-up data of ESCC patients were collected , and the correlation between the expression of miR-125b in tissue samples and clinicopathological parameters and prognosis was analyzed .

Results

The expression of miR-125b in ESCC cells was significantly lower than that in human normal esophageal cells ( P<0 .05) ,and the expression of miR-125b in low-differentiated ESCC cells (KYSE410 ,TE-13) was significantly lower than that in highly differentiated ESCC cells (EC 9706 ,KYSE510) ( P<0 .05) . The expression of miR-125b in ESCC tissues was also significantly lower than that in adjacent tissues ( P<0 .05) ,and the low expression of miR-125b was closely related to pTNM ,lymph node metastasis and the degree of differentiation of tumors ( P<0 .05) .Survival analysis showed that the prognosis of patients with low expression of miR-125b was poor ( P<0 .05) . Cox regression analysis showed that low expression of miR-125b was an independent prognostic factor in patients with ESCC ( P<0 .05) .

Conclusions

The abnormal low expression of miR-125b is closely related to the occurrence and progression of ESCC , and is an independent risk factor affecting the prognosis of patients .

图1 miR-125b 的表达。A .miR-125b 在体外培养的食管鳞癌细胞和食管正常细胞中的表达。1 ~5 分别表示Het-1、EC9706、KYSE510、KYSE410、TE-13。 与Het-1 比较,*P<0 .05 ;与EC9706 比较,P<0 .05 ;与KYSE510 比较,P<0 .05。B .miR-125b 在食管鳞癌组织和癌旁组织中的表达。与癌旁组织比较,*P<0 .05
表1 miR-125b 低表达与患者临床病理参数的关系[n(% )]
表2 影响食管鳞癌患者预后因素的Cox 回归分析
图3 食管鳞癌患者的Kaplan-Meier 生存曲线
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