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中华肺部疾病杂志(电子版) ›› 2025, Vol. 18 ›› Issue (06) : 936 -941. doi: 10.3877/cma.j.issn.1674-6902.2025.06.014

论著

血清tRF-Lys-CTT表达水平预测肺腺癌患者术后复发的临床意义
李艳鸿1, 张海颖1,(), 邓丽娜1, 张雯文1, 贺梦颖1, 郭旭萌2, 佘静亚3   
  1. 1072750 保定,河北省保定市第二中心医院心胸血管外科
    2071030 保定,保定市第一中心医院手术室
    3071030 保定,河北大学附属医院呼吸内科
  • 收稿日期:2025-09-09 出版日期:2025-12-25
  • 通信作者: 张海颖
  • 基金资助:
    河北省科学技术成果项目(20220946)

Clinical significance of serum tRF-Lys-CTT expression level in predicting postoperative recurrence in patients with lung adenocarcinoma

Yanhong Li1, Haiying Zhang1,(), Lina Deng1, Wenwen Zhang1, Mengying He1, Xumeng Guo2, Jingya She3   

  1. 1Department of Cardiothoracic and Vascular Surgery, Baoding Second Central Hospital, Hebei Province, Baoding 072750, China
    2Operating Room, Baoding First Central Hospital, Baoding 071030, China
    3Department of Respiratory Medicine, Affiliated Hospital of Hebei University, Baoding 071030, China
  • Received:2025-09-09 Published:2025-12-25
  • Corresponding author: Haiying Zhang
引用本文:

李艳鸿, 张海颖, 邓丽娜, 张雯文, 贺梦颖, 郭旭萌, 佘静亚. 血清tRF-Lys-CTT表达水平预测肺腺癌患者术后复发的临床意义[J/OL]. 中华肺部疾病杂志(电子版), 2025, 18(06): 936-941.

Yanhong Li, Haiying Zhang, Lina Deng, Wenwen Zhang, Mengying He, Xumeng Guo, Jingya She. Clinical significance of serum tRF-Lys-CTT expression level in predicting postoperative recurrence in patients with lung adenocarcinoma[J/OL]. Chinese Journal of Lung Diseases(Electronic Edition), 2025, 18(06): 936-941.

目的

探讨血清tRF-Lys-CTT表达水平预测肺腺癌患者术后复发的临床意义。

方法

前瞻性选取2022年1月至2023年12月我院收治的75例肺腺癌手术患者为对象,根据术后1年内是否复发分组,复发31例为观察组,未复发44例为对照组。收集患者临床资料、实验室指标及胸部CT影像学特征,采用实时荧光定量聚合酶链式反应(polymerase chain reaction, PCR)检测血清tRF-Lys-CTT表达水平。通过单因素及多因素Logistic回归分析术后复发的影响因素,绘制受试者特征工作(receiver operating characteristic, ROC)曲线分析临床指标及联合检测对复发的预测。

结果

观察组年龄、肿瘤直径(3.53±0.48)cm、肿瘤分期Ⅱ期18例(58.06%),Ⅲa期4例(12.91%)高于对照组年龄、肿瘤直径(3.32±0.33) cm,肿瘤分期Ⅱ期14例(31.82%),Ⅲa期3例(6.82%);tRF-Lys-CTT表达水平(1.68±0.43)低于对照组(2.37±0.71)(P<0.001)。多因素分析显示,年龄(OR=1.170,95%CI:1.027~1.331)和肿瘤分期(OR=6.233,95%CI: 1.694~22.934)是术后复发的危险因素,tRF-Lys-CTT(OR=0.028,95%CI:0.004~0.202)为保护因素。ROC曲线分析显示,tRF-Lys-CTT预测复发的曲线下面积(area under the curve, AUC)为0.815,敏感度74.19%,特异度82.82%,年龄、肿瘤分期与tRF-Lys-CTT联合检测的AUC提高至0.908,敏感度77.42%,特异度90.91%,优于单项指标(P<0.05)。75例患者经治疗后门诊随访,生存者67例(89.33%),死亡者8例(10.67%)。

结论

血清tRF-Lys-CTT低表达与肺腺癌术后复发相关,是术后复发的保护性因素。联合年龄、肿瘤分期及tRF-Lys-CTT检测可提高对肺腺癌术后复发的预测,有助于早期识别高风险患者具有临床意义。

Objective

To investigate the clinical significance of serum tRF-Lys-CTT expression levels in predicting postoperative recurrence in patients with lung adenocarcinoma.

Methods

A prospective study was conducted on 75 patients who underwent surgery for lung adenocarcinoma at our hospital between January 2022 and December 2023. Based on recurrence within one year post-surgery, patients were divided into an observation group with recurrence 31 cases and a control group without recurrence 44 cases. Clinical data, laboratory indicators, and chest CT imaging features were collected. Serum tRF-Lys-CTT expression levels were detected using real-time quantitative(PCR). Univariate and multivariate logistic regression analyses were performed to identify factors influencing postoperative recurrence, and receiver operating characteristic polymerase chain reaction(ROC) curves were plotted to evaluate the predictive value of individual indicators and their combination for recurrence.

Results

The observation group had higher age, larger tumor diameter (3.53±0.48)cm, and higher proportions of stage Ⅱ18 cases(58.06%) and stage Ⅲa 4 cases(12.91%) disease compared to the control group age, tumor diameter(3.32±0.33) cm, stage Ⅱ 14 cases(31.82%), stage Ⅲa 3 cases(6.82%). The tRF-Lys-CTT expression level (1.68±0.43) in the observation group was significantly lower than that in the control group (2.37±0.71), (P<0.001). Multivariate analysis identified age (OR=1.170, 95%CI: 1.027~1.331) and tumor stage (OR=6.233, 95%CI: 1.694~22.934) as independent risk factors for postoperative recurrence, while tRF-Lys-CTT (OR=0.028, 95%CI: 0.004~0.202) was a protective factor. ROC curve analysis showed that the area under the curve (AUC) for tRF-Lys-CTT in predicting recurrence was 0.815, with a sensitivity of 74.19% and specificity of 82.82%. The combination of age, tumor stage, and tRF-Lys-CTT improved the AUC to 0.908, with a sensitivity of 77.42% and specificity of 90.91%, which was superior to any single indicator (P<0.05). After treatment, 75 patients were followed up in the outpatient department. Among them, 67 cases (89.33%) survived and 8 (10.67%) died.

Conclusion

Low serum expression of tRF-Lys-CTT is closely associated with postoperative recurrence in lung adenocarcinoma and serves as a protective factor. The combination of age, tumor stage, and tRF-Lys-CTT detection improves the prediction of postoperative recurrence in lung adenocarcinoma, facilitating early identification of high-risk patients and guiding individualized intervention.

表1 两组肺腺癌患者临床资料结果
图1 两组肺腺癌患者典型胸部CT图。图A为观察组治疗前后CT图;图B为对照组治疗前后CT图
表2 肺腺癌患者术后复发的影响因素
表3 肺腺癌术后复发预测的ROC曲线分析
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