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中华乳腺病杂志(电子版) ›› 2025, Vol. 19 ›› Issue (02) : 84 -91. doi: 10.3877/cma.j.issn.1674-0807.2025.02.004

论著

HER-2状态与AR/p53/Ki-67表达对三阴性乳腺癌新辅助化疗疗效及预后的影响
柴效科1, 周海存1, 杨涛1, 卫翀羿1, 魏赟1, 张旭1, 隆建萍1,()   
  1. 1. 730050兰州,甘肃省妇幼保健院(甘肃省中心医院)乳腺外科
  • 收稿日期:2024-07-14 出版日期:2025-04-01
  • 通信作者: 隆建萍
  • 基金资助:
    兰州市科技发展指导性计划资助项目(2020-ZD-1)

Impact of HER-2 status and AR/p53/Ki-67 expression on efficacy and prognosis of neoadjuvant chemotherapy in triple negative breast cancer

Xiaoke Chai1, Haicun Zhou1, Tao Yang1, Chongyi Wei1, Yun Wei1, Xu Zhang1, Jianping Long1,()   

  1. 1. Department of Breast Surgery, Gansu Maternal and Child Health Hospital/Gansu Central Hospital, Lanzhou 730050, China
  • Received:2024-07-14 Published:2025-04-01
  • Corresponding author: Jianping Long
引用本文:

柴效科, 周海存, 杨涛, 卫翀羿, 魏赟, 张旭, 隆建萍. HER-2状态与AR/p53/Ki-67表达对三阴性乳腺癌新辅助化疗疗效及预后的影响[J/OL]. 中华乳腺病杂志(电子版), 2025, 19(02): 84-91.

Xiaoke Chai, Haicun Zhou, Tao Yang, Chongyi Wei, Yun Wei, Xu Zhang, Jianping Long. Impact of HER-2 status and AR/p53/Ki-67 expression on efficacy and prognosis of neoadjuvant chemotherapy in triple negative breast cancer[J/OL]. Chinese Journal of Breast Disease(Electronic Edition), 2025, 19(02): 84-91.

目的

分析HER-2零表达或低表达三阴性乳腺癌(TNBC)患者新辅助化疗前AR/p53/Ki-67表达对新辅助化疗疗效和预后的影响。

方法

选取甘肃省妇幼保健院乳腺外科2015年1月至2023年12月收治的122例原发性TNBC患者临床资料进行回顾性分析。根据HER-2表达状态分为零表达和低表达2组。采用χ2检验比较2组患者中AR/p53/Ki-67表达和患者新辅助化疗(NCT)后获得pCR率的差异。差异有统计学意义的因素被纳入二元Logistic回归分析。采用Kaplan-Meier法绘制生存曲线,并用Log-rank法比较2组的DFS。采用单因素及多因素Cox比例风险模型分析DFS的影响因素。

结果

Ki-67、HER-2、AR和p53表达与TNBC患者pCR率有相关性(χ2=6.829、3.909、4.483、4.031,P=0.009、0.048、0.034、0.045)。多因素回归分析结果显示Ki-67(OR=6.690,95%CI:2.157~20.749,P<0.001)、HER-2(OR=0.404,95%CI:0.172~0.950,P=0.038)、AR(OR=4.974,95%CI:1.653~14.963,P=0.004)和p53(OR=2.450,95%CI:1.027~5.844,P=0.043)与TNBC患者pCR率有相关性。在HER-2零表达TNBC患者中,AR和Ki-67阴性和阳性患者的pCR率比较,差异有统计学意义(40.4%比72.2%,χ2=5.426,P=0.020;22.2%比57.7%,χ2=6.735,P=0.009)。在HER-2低表达TNBC患者中,AR/p53/Ki-67表达与患者的pCR率均无关。Cox回归分析显示临床T分期是TNBC患者DFS的独立影响因素(HR=0.203,95%CI:0.084~0.493,P<0.001)。HER-2零表达患者中p53阳性与阴性患者的DFS比较,差异有统计学意义(χ2=5.351,P=0.021),其余不论HER-2表达状态如何,AR/p53/Ki-67表达与DFS均无关。

结论

HER-2低表达或零表达TNBC患者的pCR率和预后有差异,二者的病理生物学特征值得进一步研究。

Objective

ToanalyzetheimpactofAR/p53/Ki-67expressionbeforeneoadjuvant chemotherapy on the efficacy and prognosis of triple negative breast cancer (TNBC) patients with HER-2 zero or low expression.

Methods

Clinical data of 122 patients with primary TNBC treated in the Department of Breast Surgery, Gansu Maternal and Child Health Hospital from January 2015 to December 2023 were retrospectively analyzed. Patients were divided into two groups based on HER-2 expression status: zero expression and low expression. Differences in AR/p53/Ki-67 expression and pCR rate after neoadjuvant chemotherapy between the two groups were compared using χ2test. Factors with statistically significant differences in univariate analysis are included in binary logistic regression analysis. Kaplan-Meier survival curves were plotted and compared using the log-rank test. Univariate and multivariate Cox proportional hazards models were used to analyze factors affecting disease-free survival (DFS).

Results

Ki-67, HER-2, AR, and p53 expression were correlated with pCR rate in TNBC patients (χ2=6.829, 3.909, 4.483, 4.031, P=0.009, 0.048, 0.034, 0.045). Multivariate logistic regression showed Ki-67 (OR=6.690, 95%CI:2.157-20.749, P<0.001), HER-2 (OR=0.404, 95%CI:0.172-0.950, P=0.038), AR (OR=4.974, 95%CI:1.653-14.963, P=0.004), and p53 (OR=2.450, 95%CI:1.027-5.844, P=0.043) were associated with pCR rate in TNBC patients. In HER-2-zero expression group, the pCR rate showed a significant difference between AR and Ki-67 negative or positive patients (40.4% vs 72.2%, χ2=5.426, P=0.020;22.2% vs 57.7%,χ2=6.735,P=0.009). In HER-2-low expression group, AR/p53/Ki-67 expression was not correlated with pCR rates. The Cox regression showed clinical T stage was an independent factor for DFS(HR=0.203, 95%CI:0.084-0.493, P<0.001). In HER-2-zero expression group, DFS showed a significant difference between p53-positive and p53-negative patients (χ2=5.351, P=0.021). AR/p53/Ki-67 expression was not correlated with DFS regardless of HER-2 status.

Conclusion

HER-2-low and HER-2-zero TNBC patients show a significant difference in pCR rates and prognosis, suggesting distinct underlying pathological and biological features that warrant further investigation.

图1 122例三阴性乳腺癌患者Ki-67表达的受试者操作特征曲线
表1 多因素Cox分析的变量赋值表
表2 122例三阴性乳腺癌患者临床病理因素与pCR 的关系[例(%)]
表3 影响122例三阴性乳腺癌患者新辅助化疗后pCR率的多因素Logistic回归分析
表4 不同HER-2表达状态的三阴性乳腺癌患者AR/p53/Ki-67表达与pCR率的相关性[例(%)]
表5 影响122例三阴性乳腺癌患者无瘤生存期的单因素Cox回归分析结果
表6 影响122例三阴性乳腺癌患者无瘤生存期的多因素Cox回归分析结果
图2 不同HER-2表达状态的三阴性乳腺癌患者AR/p53/Ki-67表达与否的无瘤生存曲线比较 a、b图分别为HER-2零表达和低表达患者雄激素受体表达与否的生存曲线;c、d图分别为HER-2零表达和低表达患者p53表达与否的生存曲线;e、f图分别为HER-2零表达和低表达患者Ki-67高低表达的生存曲线 注:HER-2零表达TNBC中雄激素受体阳性与阴性患者的DFS比较:χ2=0.589,P=0.443;HER-2低表达TNBC中雄激素受体阳性与阴性患者的DFS比较:χ2=2.379,P=0.123;HER-2零表达TNBC中p53阳性与阴性患者的DFS比较:χ2=5.351,P=0.021;HER-2低表达TNBC中p53阳性与阴性患者的DFS比较:χ2=0.001,P=0.972;HER-2零表达TNBC中Ki-67高、低表达患者的DFS比较:χ2=0.040,P=0.841;HER-2低表达TNBC中Ki-67高、低表达患者的DFS比较:χ2=0.244,P=0.621
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