A prognostic mathematical model based on tumor microenvironment-related genes expression for breast cancer patients

被引:1
作者
Chen, Hong [1 ]
Wang, Shan [1 ]
Zhang, Yuting [1 ]
Gao, Xue [2 ]
Guan, Yufu [3 ]
Wu, Nan [1 ]
Wang, Xinyi [1 ]
Zhou, Tianyang [1 ]
Zhang, Ying [1 ]
Cui, Di [4 ]
Wang, Mijia [1 ]
Zhang, Dianlong [3 ]
Wang, Jia [1 ]
机构
[1] Dalian Med Univ, Affiliated Hosp 2, Dept Breast Surg, Dalian, Peoples R China
[2] Dalian Med Univ, Affiliated Hosp 1, Dept Pathol, Dalian, Peoples R China
[3] Dalian Univ, Affiliated Zhongshan Hosp, Dept Breast & Thyroid Surg, Dalian, Peoples R China
[4] Dalian Med Univ, Affiliated Hosp 2, Informat Ctr, Dalian, Peoples R China
来源
FRONTIERS IN ONCOLOGY | 2023年 / 13卷
关键词
breast cancer; tumor microenvironment; prognostic; resistance; therapeutic sensitivity; INFILTRATING LYMPHOCYTES; CHEMORESISTANCE; IDENTIFICATION; FIBROBLASTS; DOXORUBICIN; HALLMARKS; IMPACT; TRIALS;
D O I
10.3389/fonc.2023.1209707
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Background: Tumor microenvironment (TME) status is closely related to breast cancer (BC) prognosis and systemic therapeutic effects. However, to date studies have not considered the interactions of immune and stromal cells at the gene expression level in BC as a whole. Herein, we constructed a predictive model, for adjuvant decision-making, by mining TME molecular expression information related to BC patient prognosis and drug treatment sensitivity.Methods: Clinical information and gene expression profiles were extracted from The Cancer Genome Atlas (TCGA), with patients divided into high- and low-score groups according to immune/stromal scores. TME-related prognostic genes were identified using Kaplan-Meier analysis, functional enrichment analysis, and protein-protein interaction (PPI) networks, and validated in the Gene Expression Omnibus (GEO) database. Least absolute shrinkage and selection operator (LASSO) Cox regression analysis was used to construct and verify a prognostic model based on TME-related genes. In addition, the patients' response to chemotherapy and immunotherapy was assessed by survival outcome and immunohistochemistry (IPS). Immunohistochemistry (IHC) staining laid a solid foundation for exploring the value of novel therapeutic target genes.Results: By dividing patients into low- and high-risk groups, a significant distinction in overall survival was found (p < 0.05). The risk model was independent of multiple clinicopathological parameters and accurately predicted prognosis in BC patients (p < 0.05). The nomogram-integrated risk score had high prediction accuracy and applicability, when compared with simple clinicopathological features. As predicted by the risk model, regardless of the chemotherapy regimen, the survival advantage of the low-risk group was evident in those patients receiving chemotherapy (p < 0.05). However, in patients receiving anthracycline (A) therapy, outcomes were not significantly different when compared with those receiving no-A therapy (p = 0.24), suggesting these patients may omit from A-containing adjuvant chemotherapy. Our risk model also effectively predicted tumor mutation burden (TMB) and immunotherapy efficacy in BC patients (p < 0.05).Conclusion: The prognostic score model based on TME-related genes effectively predicted prognosis and chemotherapy effects in BC patients. The model provides a theoretical basis for novel driver-gene discover in BC and guides the decision-making for the adjuvant treatment of early breast cancer (eBC).
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页数:19
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