The prognostic value of a combined immune score in tumor and immune cells assessed by immunohistochemistry in triple-negative breast cancer.

IF 6.1 1区 医学 Q1 ONCOLOGY Breast Cancer Research Pub Date : 2023-11-03 DOI:10.1186/s13058-023-01710-8
Ji Eun Choi, Jae Seok Lee, Min-Sun Jin, Ilias P Nikas, Kwangsoo Kim, Sunah Yang, Soo Young Park, Jiwon Koh, Sohyeon Yang, Seock-Ah Im, Han Suk Ryu
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Abstract

Background: This study aimed to develop a novel combined immune score (CIS)-based model assessing prognosis in triple-negative breast cancer (TNBC).

Methods: The expression of eight immune markers (PD-1, PD-L1, PD-L2, IDO, TIM3, OX40, OX40L, and H7-H2) was assessed with immunohistochemistry on the tumor cells (TCs) and immune cells (ICs) of 227 TNBC cases, respectively, and subsequently associated with selected clinicopathological parameters and survival. Data retrieved from The Cancer Genome Atlas (TCGA) were further examined to validate our findings.

Results: All immune markers were often expressed in TCs and ICs, except for PD-1 which was not expressed in TCs. In ICs, the expression of all immune markers was positively correlated between one another, except between PD-L1 and OX40, also TIM3 and OX40. In ICs, PD-1, PD-L1, and OX40L positive expression was associated with a longer progression-free survival (PFS; p = 0.040, p = 0.020, and p = 0.020, respectively). In TCs, OX40 positive expression was associated with a shorter PFS (p = 0.025). Subsequently, the TNBC patients were classified into high and low combined immune score groups (CIS-H and CIS-L), based on the expression levels of a selection of biomarkers in TCs (TCIS-H or TCIS-L) and ICs (ICIS-H or ICIS-L). The TCIS-H group was significantly associated with a longer PFS (p < 0.001). Furthermore, the ICIS-H group was additionally associated with a longer PFS (p < 0.001) and overall survival (OS; p = 0.001), at significant levels. In the multivariate analysis, both TCIS-H and ICIS-H groups were identified as independent predictors of favorable PFS (p = 0.012 and p = 0.001, respectively). ICIS-H was also shown to be an independent predictor of favorable OS (p = 0.003). The analysis of the mRNA expression data from TCGA also validated our findings regarding TNBC.

Conclusion: Our novel TCIS and ICIS exhibited a significant prognostic value in TNBC. Additional research would be needed to strengthen our findings and identify the most efficient prognostic and predictive biomarkers for TNBC patients.

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免疫组化评估肿瘤和免疫细胞联合免疫评分对癌症三阴性乳腺癌的预后价值。
背景:本研究旨在建立一种新的基于联合免疫评分(CIS)的癌症三阴性预后评估模型,随后与选定的临床病理参数和生存率相关。从癌症基因组图谱(TCGA)检索的数据被进一步检查以验证我们的发现。结果:除PD-1在TC中不表达外,所有免疫标志物均在TC和IC中表达。在IC中,除了PD-L1和OX40之间,以及TIM3和OX4之间,所有免疫标志物的表达彼此呈正相关。在ICs中,PD-1、PD-L1和OX40L阳性表达与较长的无进展生存期相关(PFS;p = 0.040,p = 0.020和p = 0.020)。在TC中,OX40阳性表达与较短的PFS相关(p = 0.025)。随后,根据TCs(TCIS-H或TCIS-L)和ICs(ICIS-H或ICIS-L)中选择的生物标志物的表达水平,将TNBC患者分为高和低联合免疫评分组(CIS-H和CIS-L)。TCIS-H组与较长的PFS显著相关(p 结论:我们的新TCIS和ICIS在TNBC中显示出显著的预后价值。需要更多的研究来加强我们的发现,并确定TNBC患者最有效的预后和预测生物标志物。
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来源期刊
Breast Cancer Research
Breast Cancer Research 医学-肿瘤学
自引率
0.00%
发文量
76
期刊介绍: Breast Cancer Research is an international, peer-reviewed online journal, publishing original research, reviews, editorials and reports. Open access research articles of exceptional interest are published in all areas of biology and medicine relevant to breast cancer, including normal mammary gland biology, with special emphasis on the genetic, biochemical, and cellular basis of breast cancer. In addition to basic research, the journal publishes preclinical, translational and clinical studies with a biological basis, including Phase I and Phase II trials.
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