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中华普外科手术学杂志(电子版) ›› 2026, Vol. 20 ›› Issue (03) : 239 -243. doi: 10.3877/cma.j.issn.1674-3946.2026.03.011

论著

PKM2与HSP90α在胆管癌中的表达及临床意义
王金1, 赵一洁2, 孙永杰3, 尚培中1,(), 谷化平4, 李晓武1, 贾国洪1, 苗建军1, 陈晓丽1, 杨雪1   
  1. 1 075000 河北张家口,解放军陆军第八十一集团军医院普通外科
    2 075000 河北张家口,河北北方学院图书馆
    3 075000 河北张家口,解放军陆军第八十一集团军医院心胸外科
    4 075000 河北张家口,解放军陆军第八十一集团军医院检验病理科
  • 收稿日期:2025-09-15 出版日期:2026-06-26
  • 通信作者: 尚培中

Expression and clinical significance of PKM2 and HSP90α in cholangiocarcinoma

Jin Wang1, Yijie Zhao2, Yongjie Sun3, Peizhong Shang1,(), Huaping Gu4, Xiaowu Li1, Guohong Jia1, Jianjun Miao1, Xiaoli Chen1, Xue Yang1   

  1. 1 Department of General Surgery, the 81st Group Army Hospital of PLA, Zhangjiakou Hebei Province 075000, China
    2 Library of Hebei North University, Zhangjiakou Hebei Province 075000, China
    3 Department of Cardiothoracic Surgery, the 81st Group Army Hospital of PLA, Zhangjiakou Hebei Province 075000, China
    4 Department of Pathology & Medical Laboratory, the 81st Group Army Hospital of PLA, Zhangjiakou Hebei Province 075000, China
  • Received:2025-09-15 Published:2026-06-26
  • Corresponding author: Peizhong Shang
  • Supported by:
    Medical Science Research Project of Hebei(20181179)
引用本文:

王金, 赵一洁, 孙永杰, 尚培中, 谷化平, 李晓武, 贾国洪, 苗建军, 陈晓丽, 杨雪. PKM2与HSP90α在胆管癌中的表达及临床意义[J/OL]. 中华普外科手术学杂志(电子版), 2026, 20(03): 239-243.

Jin Wang, Yijie Zhao, Yongjie Sun, Peizhong Shang, Huaping Gu, Xiaowu Li, Guohong Jia, Jianjun Miao, Xiaoli Chen, Xue Yang. Expression and clinical significance of PKM2 and HSP90α in cholangiocarcinoma[J/OL]. Chinese Journal of Operative Procedures of General Surgery(Electronic Edition), 2026, 20(03): 239-243.

目的

探讨M2型丙酮酸激酶(PKM2)与热休克蛋白90α(HSP90α)在胆管癌的表达及临床意义。

方法

采用免疫组织化学(IHC)EliVisionTM plus二步法检测54例胆管癌组织及20例癌旁组织PKM2与HSP90α的表达,通过酶联免疫吸附试验(ELISA)检测54例胆管癌、32例胆管结石及25例健康体检者血清PKM2与HSP90α的浓度,统计分析两种标志物与患者临床病理指标的关系。应用SPSS 22.0处理数据,符合正态分布的计量资料采用(

±s)表示,行独立样本t检验;计数资料采用[例(%)]表示,行χ2检验。P<0.05为差异有统计学意义。

结果

胆管癌组织中PKM2和HSP90α表达阳性率明显高于癌旁组织(P<0.05);PKM2表达与淋巴结转移和TNM分期显著相关(P<0.05);HSP90α表达与肿瘤分化程度、淋巴结转移和TNM分期显著相关(P<0.05)。术前3 d,胆管癌患者PKM2和HSP90α血清含量均显著高于胆管结石患者和健康体检者,术后10 d,较术前均显著降低(P<0.05),PKM2与胆管结石和健康体检者差异不显著(P>0.05),HSP90α仍高于胆管结石和健康体检者(P<0.05)。术前3 d,胆管结石患者的PKM2和HSP90α血清含量高于健康体检者(P<0.05)。胆管癌血清PKM2与HSP90α表达水平真实性分析显示两者联合检测的敏感度为85.2%,特异度为72.0%。Kappa检验结果显示IHC和ELISA表达具有一致性。

结论

PKM2和HSP90α水平在胆管癌患者癌组织与血清中均升高,且两者升高水平与胆管癌恶性进展密切相关。两者联合检测对胆管癌早期诊断、疗效及预后的判断有一定价值。

Objective

To investigate the expression and clinical significance of pyruvate kinase M2 (PKM2) and heat shock protein 90α (HSP90α) in cholangiocarcinoma.

Methods

The expression of PKM2 and HSP90α was detected in 54 cholangiocarcinoma tissues and 20 adjacent normal tissues using the EliVisionTM plus two-step method of immunohistochemistry (IHC). Serum concentrations of PKM2 and HSP90α were measured by enzyme-linked immunosorbent assay (ELISA) in 54 cholangiocarcinoma patients, 32 choledocholithiasis patients, and 25 healthy individuals. The correlations between the two markers and clinicopathological parameters were statistically analyzed. Data were processed using SPSS 22.0. Measurement data conforming to a normal distribution were expressed as (

±s) and analyzed by independent-samples t test; enumeration data were expressed as [cases (%)] and analyzed by the χ2 test. P<0.05 was considered statistically significant.

Results

The positive rates of PKM2 and HSP90α expression in cholangiocarcinoma tissues were significantly higher than those in adjacent normal tissues (P<0.05). PKM2 expression was significantly correlated with lymph node metastasis and TNM stage (P<0.05). HSP90α expression was significantly correlated with tumor differentiation, lymph node metastasis, and TNM stage (P<0.05). At 3 days preoperatively, serum levels of PKM2 and HSP90α in cholangiocarcinoma patients were significantly higher than those in choledocholithiasis patients and healthy individuals. At 10 days postoperatively, both were significantly lower than the preoperative levels (P<0.05). There was no significant difference in PKM2 between cholangiocarcinoma patients and choledocholithiasis or healthy individuals (P>0.05), whereas HSP90α remained higher in cholangiocarcinoma patients (P<0.05). At 3 days preoperatively, serum PKM2 and HSP90α levels in choledocholithiasis patients were higher than those in healthy individuals (P<0.05). Diagnostic accuracy analysis of serum PKM2 and HSP90α in cholangiocarcinoma showed that the combined detection had a sensitivity of 85.2% and a specificity of 72.0%. The Kappa test showed consistent expression between IHC and ELISA.

Conclusion

PKM2 and HSP90α levels are elevated in both tumor tissues and serum of cholangiocarcinoma patients, and their upregulation is closely associated with the malignant progression of cholangiocarcinoma. Combined detection of the two markers is valuable for the early diagnosis, therapeutic effect evaluation, and prognosis assessment of cholangiocarcinoma.

图1 PKM2在癌组织和癌旁组织中的表达(EliVisionTM plus×400)[注:1A为癌组织阳性表达;1B为癌旁组织阴性表达]
图2 HSP90α在癌组织和癌旁组织中的表达(EliVisionTM Plus×400)[注:2A为癌组织阳性表达;2B为癌旁组织阴性表达]
表1 54例胆管癌患者临床病理指标与PKM2和HSP90α阳性表达的相关性[例(%)]
表2 54例胆管癌和32例胆管结石患者手术前后血清PKM2和HSP90α含量变化与25例健康体检者对比(
±s
图3 血清PKM2与HSP90α及其联合检测的ROC曲线
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