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中华移植杂志(电子版) ›› 2024, Vol. 18 ›› Issue (05) : 283 -288. doi: 10.3877/cma.j.issn.1674-3903.2024.05.005

论著

FMNL3与肝细胞癌肝移植受者预后的相关性研究
胡宁宁1,2, 赵延荣1, 王栋1, 王胜亮1, 郭源1,()   
  1. 1.266000 青岛,青岛大学附属医院肝移植中心肝脏外科
    2.257000 东营,胜利油田中心医院烧伤与创面修复科、整形美容外科
  • 收稿日期:2024-03-14 出版日期:2024-10-25
  • 通信作者: 郭源
  • 基金资助:
    青岛大学附属医院临床医学+X科研项目(QDFY+X2021059)山东省医药卫生科技发展计划项目(202104010650)山东省自然科学基金(ZR2024MH326)中关村精准医学基金会促立新生公益项目(GXZDH051)湖北陈孝平科技发展基金会肿瘤领域临床研究专项基金(CXPJJH122011-022)北京医学奖励基金会项目(YXJL-2022-0303-0059)

The correlation study between the expression of FMNL3 and prognosis in hepatocellular carcinoma liver transplant recipients

Ningning Hu1,2, Yanrong Zhao1, Dong Wang1, Shengliang Wang1, Yuan Guo1,()   

  1. 1.Department of Hepatic Surgery, Liver Transplantation Center, Affiliated Hospital of Qingdao University, Qingdao 266000, China
    2.Department of Burn and wound repair、plastic and Aesthetic surgery, Shengli Oil Field Central Hospital, Dongying 257000, China
  • Received:2024-03-14 Published:2024-10-25
  • Corresponding author: Yuan Guo
引用本文:

胡宁宁, 赵延荣, 王栋, 王胜亮, 郭源. FMNL3与肝细胞癌肝移植受者预后的相关性研究[J/OL]. 中华移植杂志(电子版), 2024, 18(05): 283-288.

Ningning Hu, Yanrong Zhao, Dong Wang, Shengliang Wang, Yuan Guo. The correlation study between the expression of FMNL3 and prognosis in hepatocellular carcinoma liver transplant recipients[J/OL]. Chinese Journal of Transplantation(Electronic Edition), 2024, 18(05): 283-288.

目的

通过研究FMNL3在肝细胞癌(HCC)组织中表达的水平,探讨其与HCC肝移植受者临床病理特征和预后的关系。

方法

回顾性分析青岛大学附属医院器官移植中心2014年1月至2020年12月因肝癌行肝移植并经病理组织学诊断为HCC的受者临床资料。采用双重免疫组织化学染色检测纳入的93例受者肝癌组织和56例癌旁组织中FMNL3表达情况,比较不同临床病理特征受者的FMNL3表达水平。通过Kaplan-Meier法绘制生存曲线,采用log-rank检验比较组间生存率;采用单因素和多因素Cox回归模型分析HCC肝移植受者预后的影响因素,P<0.05为差异有统计学意义。

结果

93例肝癌组织标本中57例呈FMNL3高表达(61.3%),56例癌旁组织中7例呈FMNL3高表达(12.5%);肝癌组织中FMNL3表达率高于癌旁组织,差异有统计学意义(χ2=33.957,P<0.05)。存在肝被膜侵犯、微血管侵犯(MVI)和脉管癌栓的受者肝癌组织中FMNL3高表达比例均高于没有上述病理特征的受者(χ2=4.890、4.115和8.114,P均<0.05)。截至2022年12月31日,93例受者中位随访时间为 44.9个月(2.7~104.7个月),术后复发37例,死亡30例。Kaplan-Meier生存分析结果显示,FMNL3高表达组和低表达组1、3和5年无进展生存率(PFS)分别为66.7%、56.1%、42.8%和88.9%、83.3%、80.2%,1、3和5年总体生存率分别为80.6%、68.1%、53.0%和94.4%、86.1%、81.6%,差异均有统计学意义(χ2=10.494和6.994,P<0.05)。多因素Cox回归分析结果显示,FMNL3表达(HR=2.567,95%CI:1.070~6.157)、最大肿瘤直径(HR=2.342,95%CI:1.043~5.260)、术前AFP水平(HR=0.325,95%CI:0.127~0.832)以及肝被膜侵犯(HR=3.660,95%CI:1.496~8.957)、MVI(HR=8.190,95%CI:2.639~25.422)和脉管癌栓(HR=2.566,95%CI:1.130~5.829)是影响HCC肝移植受者术后PFS的独立危险因素(P均<0.05)。肝被膜侵犯(HR=3.132,95%CI:1.112~8.823)、MVI(HR=7.321,95%CI:2.014~26.616)和脉管癌栓(HR=3.106,95%CI:1.335~7.224)是影响HCC肝移植受者术后总生存率的独立危险因素(P均<0.05)。

结论

肝癌组织中FMNL3表达高于癌旁组织,肝癌组织中FMNL3的表达水平与受者有无肝被膜侵犯、MVI和脉管瘤栓有关。肝癌组织中FMNL3高表达的HCC肝移植受者移植术后PFS和总生存率更低,FMNL3表达是影响HCC肝移植受者术后PFS的独立危险因素。

Objective

To investigate the expression level of FMNL3 in hepatocellular carcinoma (HCC) and its relationship with clinicopathological features and prognosis of liver transplant recipients with HCC.

Methods

The clinical data of recipients who underwent liver transplantation for liver cancer and were diagnosed as HCC by histopathology from January 2014 to December 2020 in the Organ Transplantation Center of the Affiliated Hospital of Qingdao University were retrospectively analyzed. Double Immunohistochemical staining was used to detect the expression of FMNL3 in 93 recipients and 56 cases of paracancerous tissues. The clinicopathological characteristics of recipients were collected. Survival curves were plotted by Kaplan-Meier method, and log-rank test was used to compare survival between groups. Cox regression models were used to analyze the risk factors of the prognosis of HCC liver transplant recipients. P<0.05 was considered statistically significant.

Results

FMNL3 was highly expressed in 57 of 93 HCC tissues (61.3%) and 7 of 56 paracancerous tissues (12.5%). The expression rate of FMNL3 in HCC tissues was higher than that in paracancerous tissues, and the difference was statistically significant (χ2=33.957, P<0.05). Recipients with hepatic capsular invasion, microvascular invasion (MVI), and vascular tumor thrombus had higher proportions of high FMNL3 expression in HCC tissues than recipients without the above pathological features (χ2=4.890, 4.115, and 8.114, P<0.05 for all). As of December 31, 2022, 93 recipients were followed up for a median of 44.9 months (2.7-104.7 months), with 37 cases of postoperative recurrence and 30 cases of death. Kaplan-Meier survival analysis showed that the 1 -, 3-and 5-year disease-free survival rates (PFS) were 66.7%, 56.1%, 42.8% and 88.9%, 83.3%, 80.2%, and the 1 -, 3-and 5-year overall survival were 80.6%, 68.1%, 53.0%, and 94.4%, 86.1%, 81.6% in the high and low FMNL3 expression groups, respectively, and the differences were statistically significant (χ2=10.494 and 6.994, P<0.05). Cox regression analysis showed that FMNL3 expression (HR=2.567, 95%CI:1.070-6.157), maximum tumor diameter (HR=2.342, 95%CI:1.043-5.260), preoperative alpha fetoprotein level (HR=0.325, 95%CI:0.127-0.832), hepatic capsule invasion (HR=3.660, 95%CI:1.496-8.957), MVI (HR=8.190, 95%CI:2.639-25.422) and vascular tumor thrombus (HR=2.566, 95%CI:1.130-5.829) were independent risk factors affecting postoperative PFS in HCC liver transplant recipients (P<0.05 for all).

Conclusions

The expression of FMNL3 in HCC is higher than that in paracancerous tissues, and the expression of FMNL3 in HCC is closely related to hepatic capsular invasion, MVI and vascular tumor thrombus. HCC liver transplant recipients with high FMNL3 expression in HCC tissues had lower PFS and overall survival after transplantation, and FMNL3 expression was an independent risk factor affecting the PFS of HCC liver transplant recipients after transplantation.

图1 HCC肝移植受者肝癌和癌旁组织中FMNL3表达(×200) 注:HCC.肝细胞肝癌; a.肝癌组织中FMNL3高表达; b.肝癌组织中FMNL3低表达; c.癌旁组织中FMNL3高表达; d.癌旁组织中FMNL3低表达
表1 FMNL3表达水平与HCC肝移植受者临床病理特征的关系
图2 HCC肝移植受者生存曲线 注:HCC.肝细胞肝癌; a.无进展生存曲线; b.总生存曲线
表2 HCC肝移植受者术后无进展生存率影响因素的单因素和多因素Cox回归分析结果
表3 HCC肝移植受者术后总生存率影响因素的单因素和多因素Cox回归分析结果
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