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中华普外科手术学杂志(电子版) ›› 2026, Vol. 20 ›› Issue (06) : 569 -575. doi: 10.3877/cma.j.issn.1674-3946.2026.06.014

论著

RAR、PLR联合ALDH1A2基因甲基化对女性乳腺癌患者预后的预测价值
张又友1, 代引海2, 马海龙2, 王帅2, 吴少锋2,†()   
  1. 1 712000 陕西 咸阳,陕西中医药大学第二临床医学院
    2 712000 陕西 咸阳,陕西中医药大学第二附属医院肿瘤外科
  • 收稿日期:2026-05-15 出版日期:2026-12-26
  • 通信作者: 吴少锋

The predictive value of RAR, PLR combined with ALDH1A2 gene methylation for the prognosis of female breast cancer patients

Youyou Zhang1, Yinhai Dai2, Hailong Ma2, Shuai Wang2, Shaofeng Wu2,†()   

  1. 1 Second Clinical Medical College, Shaanxi University of Chinese Medicine, Xianyang Shaanxi Province 712000, China
    2 Department of Oncology Surgery, The Second Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang Shaanxi Province 712000, China
  • Received:2026-05-15 Published:2026-12-26
  • Corresponding author: Shaofeng Wu
  • Supported by:
    Key Research Project of Shaanxi Provincial Science and Technology Department(2022SF-563); 2024 QinChuangYuan Traditional Chinese Medicine Industry Innovation Cluster Project of Xianyang Science and Technology Bureau(L2024-QCY-ZYYJJQ-270)
引用本文:

张又友, 代引海, 马海龙, 王帅, 吴少锋. RAR、PLR联合ALDH1A2基因甲基化对女性乳腺癌患者预后的预测价值[J/OL]. 中华普外科手术学杂志(电子版), 2026, 20(06): 569-575.

Youyou Zhang, Yinhai Dai, Hailong Ma, Shuai Wang, Shaofeng Wu. The predictive value of RAR, PLR combined with ALDH1A2 gene methylation for the prognosis of female breast cancer patients[J/OL]. Chinese Journal of Operative Procedures of General Surgery(Electronic Edition), 2026, 20(06): 569-575.

目的

研究红细胞分布宽度/白蛋白比值(RAR)、血小板/淋巴细胞比值(PLR)及醛脱氢酶1家族成员A2(ALDH1A2)基因甲基化对女性乳腺癌患者预后的预测价值。

方法

回顾性收集2020年1月至2024年12月242例接受改良根治术的女性乳腺癌患者临床资料;根据术后是否发生复发、远处转移等不良事件分为预后良好组(n=179)和预后不良组(n=63)。采用甲基化特异性PCR(MSP)检测癌组织及癌旁正常组织中ALDH1A2基因甲基化状态,比较两组RAR、PLR及ALDH1A2甲基化差异,并采用Kaplan-Meier生存曲线、Logistic回归及受试者工作特征曲线分析其预后预测价值。

结果

242例女性乳腺癌患者癌组织ALDH1A2甲基化阳性率为36.4%(88/242),高于癌旁正常组织的10.3%(25/242)(χ2=45.822,P<0.001)。预后不良组RAR、PLR水平及ALDH1A2甲基化阳性率均高于预后良好组(均P<0.05)。ALDH1A2甲基化与pTNM分期、组织学分级、淋巴结转移及雌激素受体(ER)状态相关(均P<0.05)。ALDH1A2甲基化阳性患者累积无病生存率低于甲基化阴性患者(47.7% vs. 89.0%,Log-Rank χ2=57.063,P<0.001)。Logistic回归分析显示,组织学分级Ⅱ~Ⅲ级、淋巴结转移、RAR≥0.5 %·L/g、PLR≥123.2及ALDH1A2甲基化阳性是女性乳腺癌患者发生预后不良事件的独立危险因素(均P<0.05)。ALDH1A2甲基化、RAR、PLR及三者联合预测女性乳腺癌患者预后不良的曲线下面积(AUC)分别为0.748、0.801、0.776和0.914,联合预测效能最高(均P<0.05)。

结论

ALDH1A2基因甲基化阳性、RAR升高及PLR升高与女性乳腺癌患者预后不良密切相关,三者联合检测可提高女性乳腺癌患者预后风险评估效能。

Objective

To investigate the predictive value of red cell distribution width/albumin ratio (RAR), platelet/lymphocyte ratio (PLR), and ALDH1A2 gene methylation for the prognosis of female breast cancer patients.

Methods

The clinical data of 242 female breast cancer patients who underwent modified radical mastectomy from January 2020 to December 2024 were retrospectively collected. The patients were divided into a favorable prognosis group (n=179) and an unfavorable prognosis group (n=63) based on whether they experienced recurrence or distant metastasis after surgery. The methylation status of the ALDH1A2 gene in cancer tissues and adjacent normal tissues was detected by methylation-specific PCR (MSP), and the differences in RAR, PLR, and ALDH1A2 methylation between the two groups were compared. Kaplan-Meier survival curves, Logistic regression, and receiver operating characteristic curves were used to analyze the prognostic predictive value.

Results

The positive rate of ALDH1A2 methylation in cancer tissues of 242 female breast cancer patients was 36.4% (88/242), which was higher than 10.3% (25/242) in adjacent normal tissues (χ2=45.822, P<0.001). The levels of RAR, PLR, and the positive rate of ALDH1A2 methylation in the unfavorable prognosis group were higher than those in the favorable prognosis group (all P<0.05). ALDH1A2 methylation was related to pTNM stage, histological grade, lymph node metastasis, and estrogen receptor (ER) status (all P<0.05). ALDH1A2 methylation positive patients had a lower cumulative disease-free survival rate than those with negative methylation (47.7% vs. 89.0%, Log-Rank χ2=57.063, P<0.001). Logistic regression analysis showed that histological grade Ⅱ~Ⅲ, lymph node metastasis, RAR≥0.5 %·L/g, PLR≥123.2, and positive ALDH1A2 methylation were independent risk factors for unfavorable events in female breast cancer patients (all P<0.05). The AUC of ALDH1A2 methylation, RAR, PLR, and their combination for predicting unfavorable prognosis in female breast cancer patients were 0.748, 0.801, 0.776, and 0.914, respectively, with the highest combined predictive efficacy (all P<0.05).

Conclusion

Positive ALDH1A2 gene methylation, elevated RAR, and elevated PLR are closely related to the unfavorable prognosis of female breast cancer patients. Combined detection of ALDH1A2 methylation, RAR elevation, and PLR elevation can improve the efficacy of prognostic risk assessment for female breast cancer patients.

表1 ALDH1A2甲基化检测引物序列
表2 两组乳腺癌患者RAR,PLR值和ALDH1A2甲基化阳性率比较
表3 乳腺癌患者ALDH1A2基因甲基化与临床病理特征的关系[例(%)]
图1 ALDH1A2基因甲基化阳性与阴性乳腺癌患者的无病生存曲线 注:ALDH1A2为醛脱氢酶1家族成员A2
表4 变量赋值
表5 Logistic回归分析ALDH1A2基因甲基化与乳腺癌患者预后因素
表6 ALDH1A2基因甲基化、RAR、PLR单独及联合检测对乳腺癌预后的诊断价值
图2 ALDH1A2基因甲基化、RAR、PLR单独及联合预测乳腺癌预后的受试者工作特征曲线 注:RAR为红细胞分布宽度/白蛋白比值;PLR为血小板/淋巴细胞比值;ALDH1A2为醛脱氢酶1家族成员A2;AUC值为曲线下面积
图3 女性乳腺癌患者预后预测模型的校准曲线图 注:理想曲线为45°对角线,表示该模型对每一个体预测概率完全符合实际结果;实测曲线表示基于原始未校正数据,分组统计得到的真实临床实际发生概率;校正曲线表示对模型数据重复1 000次抽样后的预测概率与实际结果的一致性,其越贴近理想线证明模型校准良好
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