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中华消化病与影像杂志(电子版) ›› 2025, Vol. 15 ›› Issue (04) : 311 -316. doi: 10.3877/cma.j.issn.2095-2015.2025.04.005

论著

HBV感染相关肝细胞癌中MYCT1和FAS的表达及临床病理分析
孟涵钰1,2, 曹瑞雪1, 张杨杨1, 辛萱1, 毕利泉1, 刘晓红1,2,()   
  1. 1250032 济南,中国人民解放军联勤保障部队第九六○医院病理科
    2261053 山东潍坊,山东第二医科大学基础医学院临床病理系
  • 收稿日期:2025-02-07 出版日期:2025-08-01
  • 通信作者: 刘晓红
  • 基金资助:
    国家自然科学基金(81172261); 山东省自然科学基金(ZR2021MH307); 山东第二医科大学附属医院(教学医院)科研发展基金项目(2024FYZ022)

Expression and clinicopathological analysis of MYCT1 and FAS in HBV infection-associated hepatocellular carcinoma

Hanyu Meng1,2, Ruixue Cao1, Yangyang Zhang1, Xuan Xin1, Liquan Bi1, Xiaohong Liu1,2,()   

  1. 1Department of Pathology, 960th Hospital of the PLA Joint Support Force, Jinan 250032, China
    2Department of Clinical Pathology, School of Basic Medical Sciences, Shandong Second Medical University, Weifang 261053, China
  • Received:2025-02-07 Published:2025-08-01
  • Corresponding author: Xiaohong Liu
引用本文:

孟涵钰, 曹瑞雪, 张杨杨, 辛萱, 毕利泉, 刘晓红. HBV感染相关肝细胞癌中MYCT1和FAS的表达及临床病理分析[J/OL]. 中华消化病与影像杂志(电子版), 2025, 15(04): 311-316.

Hanyu Meng, Ruixue Cao, Yangyang Zhang, Xuan Xin, Liquan Bi, Xiaohong Liu. Expression and clinicopathological analysis of MYCT1 and FAS in HBV infection-associated hepatocellular carcinoma[J/OL]. Chinese Journal of Digestion and Medical Imageology(Electronic Edition), 2025, 15(04): 311-316.

目的

在前期研究的基础上,探讨HBV感染相关肝细胞癌(HCC)中MYCT1(Myc target 1)、肿瘤坏死因子受体超家族成员6(FAS)的表达情况及其与临床病理参数的关系。

方法

收集2018年6月至2023年8月于中国人民解放军联勤保障部队第九六○医院确诊HBV感染相关HCC的病例48例,采用实时定量PCR检测样本中mRNA水平、利用免疫组织化学染色检测MYCT1和FAS的表达,比较癌组织及癌旁组织之间的差异,统计分析临床病理参数和MYCT1与FAS之间的相关性;并利用GEPIA数据库分析MYCT1在肝细胞癌中的表达水平及与患者预后的情况。

结果

对比癌旁组织,MYCT1和FAS在肝癌组织中mRNA和蛋白的表达水平明显降低(P<0.05)。MYCT1的表达与患者的年龄、性别及肿瘤大小显著相关(P<0.05);FAS表达与TNM分期显著相关(P<0.05)。MYCT1和FAS在HCC组织中的表达强度呈正相关(r=0.333,P<0.05)。GEPIA数据库分析显示,对比癌旁组织,MYCT1在肝细胞肝癌(LIHC)中低表达;MYCT1在不同TNM分期存在表达差异;MYCT1高表达患者生存期显著优于低表达患者(均P<0.05)。

结论

HBV感染相关HCC中,FAS表达与患者TNM分期相关,MYCT1可能经由FAS途径介导细胞凋亡。MYCT1有可能成为HCC辅助诊断及预后评估一种新的生物标志物。

Objective

To investigate the expression of MYCT1 (Myc target 1) and tumor necrosis factor receptor superfamily member 6 (FAS) in HBV infection-associated hepatocellular carcinoma (HCC) and their relationship with clinicopathological parameters on the basis of previous studies.

Methods

A total of 48 HBV infection-associated HCC patients diagnosed at the 960th Hospital of the PLA Joint Support Force from June 2018 to August 2023 were collected. Real-time quantitative PCR was used to detect mRNA levels in the samples, and immunohistochemistry was used to detect the expression of MYCT1 and FAS, and the differences between cancerous tissues and adjacent tissues were compared. The correlation between clinicopathological parameters and MYCT1 and FAS was analyzed statistically. The GEPIA database was used to analyze the expression level of MYCT1 in HCC and the prognosis of patients.

Results

The mRNA and protein expression levels of MYCT1 and FAS were significantly decreased in liver cancer tissues compared with paracancer tissues (P<0.05). The expression of MYCT1 was significantly correlated with age, sex and tumor size (P<0.05). FAS expression was significantly correlated with TNM stage (P<0.05). The expression intensity of MYCT1 and FAS in HCC tissues was positively correlated (r=0.333, P<0.05). GEPIA database analysis showed that MYCT1 expression was lower in hepatocellular carcinoma (LIHC) compared with paracancer tissues. The expression of MYCT1 was different in different stages. The survival of patients with high MYCT1 expression was significantly better than those with low MYCT1 expression (all P<0.05).

Conclusion

In HCC associated with HBV infection, the expression of FAS is correlated with the TNM stage of the patients; MYCT1 may mediate apoptosis through the FAS pathway. MYCT1 may potentially become a new biomarker for the auxiliary diagnosis and prognosis assessment of HCC.

表1 实时定量PCR引物序列
图1 HBV感染相关肝细胞癌中MYCT1的mRNA和蛋白表达情况注:1A对比癌旁组织,MYCT1在HBV感染相关肝细胞癌中mRNA的表达水平下调(P<0.05);1B对比癌旁组织,MYCT1在HBV感染相关肝细胞癌中蛋白的表达水平下调(P<0.01)
图2 HBV感染相关肝细胞癌中同一样本MYCT1和FAS的免疫组织化学染色结果(SP法)注:2A对比癌旁组织(右下)MYCT1阳性表达(定位于细胞浆、细胞膜和细胞核),癌组织呈弱阳性表达(左上,40×);2B对比癌旁组织(下部)FAS阳性表达(定位于细胞浆、细胞膜和细胞核),癌组织表达下降(上部,40×)
图3 HBV感染相关肝细胞癌中FAS的mRNA和蛋白的表达情况注:3A对比癌旁组织,FAS在HBV感染相关肝细胞癌中mRNA的表达下调(P<0.01);3B对比癌旁组织,FAS在HBV感染相关肝细胞癌中蛋白的表达下调(P<0.01)
图4 MYCT1和FAS的相关性(r=0.333,95% CI 0.04502~0.5694,P=0.021)
表2 MYCT1、FAS的表达强度与HBV感染相关肝细胞癌临床病理参数的联系(例)
图5 GEPIA数据库中MYCT1在LIHC的表达情况注:5A对比癌旁组织,MYCT1在LIHC中低表达(P<0.05);5B MYCT1表达与临床TNM分期的相关性(P<0.05);5C MYCT1高表达患者的总生存期显著高于低表达患者(Quartile or Custom法,P<0.05)。LIHC肝细胞癌
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