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中华普外科手术学杂志(电子版) ›› 2024, Vol. 18 ›› Issue (05) : 558 -561. doi: 10.3877/cma.j.issn.1674-3946.2024.05.024

论著

VEGFR2、miR-27a-5p在胃癌组织中的表达与临床病理参数及预后的关系研究
黄福1, 王黔1,(), 金相任1, 唐云川1   
  1. 1. 550000 贵阳,贵州医科大学附属医院胃肠外科
  • 收稿日期:2023-10-26 出版日期:2024-10-26
  • 通信作者: 王黔

Study on the relationship between the expression of VEGFR2 and miR-27a-5p in gastric cancer tissues and clinicopathological parameters and prognosis

Fu Huang1, Qian Wang1,(), Xiangren Jin1, Yunchuan Tang1   

  1. 1. Department of gastrointestinal Surgery, Affiliated Hospital of Guizhou Medical University, Guiyang Guizhou Province 550000, China
  • Received:2023-10-26 Published:2024-10-26
  • Corresponding author: Qian Wang
引用本文:

黄福, 王黔, 金相任, 唐云川. VEGFR2、miR-27a-5p在胃癌组织中的表达与临床病理参数及预后的关系研究[J]. 中华普外科手术学杂志(电子版), 2024, 18(05): 558-561.

Fu Huang, Qian Wang, Xiangren Jin, Yunchuan Tang. Study on the relationship between the expression of VEGFR2 and miR-27a-5p in gastric cancer tissues and clinicopathological parameters and prognosis[J]. Chinese Journal of Operative Procedures of General Surgery(Electronic Edition), 2024, 18(05): 558-561.

目的

研究VEGFR2、miR-27a-5p在胃癌组织中的表达与临床病理参数及预后的关系。

方法

回顾性分析2020年1月至2022年12月98例行腹腔镜全胃切除术胃癌患者的病例资料。通过免疫组化法(IHC)和实时荧光定量PCR(qRT-PCR)检测胃癌组织及相应的癌旁组织(距癌组织边缘>5 cm)中VEGFR2和miR-27a-5p mRNA的表达情况。数据使用软件SPSS 20.0进行统计学分析。miR-27a-5p表达水平等计量资料采用()表示,行独立样本t检验;临床病理参数等计数资料采用[例(%)]表示,行秩和检验或χ2检验;采用Spearman秩相关分析胃癌组织中VEGFR2和miR-27a-5p表达的相关性;与患者预后的关系采用Kaplan-Meier法,并采用Log-Rank检验分析。P<0.05表示具有统计学差异。

结果

胃癌组织中VEGFR2高表达率显著高于癌旁组织,胃癌组织中miR-27a-5p表达水平(1.08±0.42)显著低于癌旁组织(2.51±0.85),差异均有统计学意义(P<0.05),且两者表达呈负相关(r=-0.462,P=0.003)。VEGFR2的高表达与患者的病灶直径、T分期、分化程度、pTMN分期、脉管侵犯、淋巴结转移等明显相关(P<0.05),而miR-27a-5p的低表达却与患者肿瘤的分化程度、pTMN分期、脉管侵犯、淋巴结转移等显著相关(P<0.05)。通过Kaplan-Meier分析显示,VEGFR2高表达组的累积总生存率相较于VEGFR2低表达组(81.0% vs. 94.7%)明显降低(P=0.047),而miR-27a-5p低表达组的累积总生存率相较于miR-27a-5p高表达组(81.7% vs. 92.6%)明显降低(P =0.041)。

结论

VEGFR2在胃癌组织中呈高表达,miR-27a-5p 在胃癌组织中呈低表达,且两者之间可能存在相互作用,参与了胃癌的生长、增殖、分化、侵袭及迁移,从而影响胃癌的进程,有望成为胃癌诊治和预后评估的潜在靶点。

Objective

To study the relationship between the expression of VEGFR2 and miR-27a-5p in gastric cancer tissues, clinicopathological parameters and prognosis.

Methods

Data of 98 patients with gastric cancer who underwent laparoscopic total gastrectomy from January 2020 to December 2022 were retrospectively analyzed. Immunohistochemistry (IHC) and real-time quantitative fluorescent PCR (qRT-PCR) were used to detect the expression of VEGFR2 and miR-27a-5p mRNA in gastric cancer tissues and corresponding paracancer tissues (>5cm from the margin of cancer tissues). SPSS 20.0 software was used for statistical analysis. The expression level of miR-27a-5p and other quantitative data were expressed by () and independent sample t-test was performed. Clinical and pathological parameters and other statistical data were represented by [cases (%)], row Rank Sum test or χ2 test. Spearman Rank correlation was used to analyze the correlation between VEGFR2 and miR-27a-5p expression in gastric cancer tissues. The relationship with prognosis was analyzed by Kaplan-Meier method and Log-Rank test. P<0.05 indicates statistical difference.

Results

The high expression rate of VEGFR2 in gastric cancer tissues was significantly higher than that in para-cancer tissues, and the expression level of miR-27a-5p in gastric cancer tissues (1.08±0.42) was significantly lower than that in para-cancer tissues (2.51±0.85), with statistical significance (P<0.05), and the expression of the two was negatively correlated (r=-0.462, P=0.003). The high expression of VEGFR2 was significantly correlated with lesion diameter, T stage, differentiation degree, pTMN stage, vascular invasion, and lymph node metastasis (P<0.05), while the low expression of miR-27a-5p was significantly correlated with tumor differentiation degree, pTMN stage, vascular invasion, and lymph node metastasis (P<0.05). Kaplan-Meier analysis showed that the cumulative overall survival rate of the VEGFR2 high expression group was significantly lower than that of the VEGFR2 low expression group (81.0% vs. 94.7%) (P=0.047). The cumulative overall survival rate of miR-27a-5p expression group was significantly lower than that of miR-27a-5p expression group (81.7% vs. 92.6%) (P=0.041).

Conclusion

VEGFR2 is highly expressed in gastric cancer tissues, while miR-27a-5p is low expressed in gastric cancer tissues, and there may be interaction between the two, which is involved in the growth, proliferation, differentiation, invasion and migration of gastric cancer, thus affecting the course of gastric cancer, and is expected to become a potential target for diagnosis, treatment and prognosis evaluation of gastric cancer.

表1 98例胃癌患者的临床病理参数
图1 胃癌组织及癌旁组织中VEGFR2和miR-27a-5p的表达 注:A=胃癌组织中VEGFR2高表达;B=癌旁组织中VEGFR2低表达;C=胃癌组织及癌旁组织中miR-27a-5p表达。
表2 VEGFR2和miR-27a-5p表达与79例胃癌患者临床病理参数的关系
图2 VEGFR2和miR-27a-5p表达水平与胃癌患者预后的关系
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