Importance of CD45RO+tumor-infiltrating lymphocytes in post-operative survival of breast cancer patients

被引:30
作者
Ahmadvand, Simin [1 ,2 ]
Faghih, Zahra [2 ]
Montazer, Mehdi [3 ]
Safaei, Akbar [3 ]
Mokhtari, Maral [3 ]
Jafari, Peyman [4 ]
Talei, Abdol-Rasoul [5 ]
Tahmasebi, Sedigheh [5 ]
Ghaderi, Abbas [1 ,2 ]
机构
[1] Shiraz Univ Med Sci, Sch Med, Dept Immunol, Shiraz, Iran
[2] Shiraz Univ Med Sci, Shiraz Inst Canc Res, Sch Med, Shiraz, Iran
[3] Shiraz Univ Med Sci, Sch Med, Dept Pathol, Shiraz, Iran
[4] Shiraz Univ Med Sci, Dept Biostat, Shiraz, Iran
[5] Shiraz Univ Med Sci, Sch Med, Breast Dis Res Ctr, Shiraz, Iran
关键词
Breast cancer; Tumor-infiltrating lymphocytes; CD45RO+memory T cell; CD8+cytotoxic T cell; Prognostic marker; TUMOR-INFILTRATING LYMPHOCYTES; PATHOLOGICAL COMPLETE RESPONSE; DRAINING LYMPH-NODES; MEMORY T-CELLS; PROGNOSTIC-SIGNIFICANCE; CD45RO; CHEMOTHERAPY; TRASTUZUMAB; ASSOCIATION; DOCETAXEL;
D O I
10.1007/s13402-019-00430-6
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
PurposeIn recent years, the prognostic/predictive significance of tumor infiltrating lymphocytes (TILs) has become a topic of interest. Here, we aimed to evaluate the prognostic significance of CD3+, CD8+, CD45RO+ and Foxp3+ TILs in breast cancer, as well as the relation of these markers to other clinicopathological features of this disease.MethodsFFPE tumor samples from 94 females with invasive ductal carcinoma of the breast were retrospectively selected and immunohistochemically assessed for CD3, CD8, CD45RO and Foxp3 expression. Digital photos were acquired from the center (CT) and invasive margins (IM) of the tumors, after which positive cells were counted using ImageJ software.ResultsWe found that greater infiltrations of target lymphocyte subpopulations were associated with TNM stage III, lymph node metastasis, high histological grade, ER negativity and HER2 positivity. The ratios of CD8+ cytotoxic T cells to CD3+, CD45RO+ and Foxp3+ TILs were found to be relatively higher in tumors exhibiting the aforementioned characteristics. In univariate survival analyses, CD8+ TILs in the IM and total CD45RO+ TILs were found to be significantly associated with overall survival (OS). Infiltration of CD45RO+ TILs in the CT and lymph node status were variables that significantly correlated with disease-free survival (DFS). Multiple Cox regression analyses revealed independent significant prognostic effects of total CD45RO+ TILs and lymph node status (HR of 3.24 and 3.19, respectively) in predicting OS. Infiltration of CD45RO+ TILs in the CT (HR 3.12) and lymph node status (HR 3.15) also exhibited significant prognostic effects on DFS.ConclusionFrom our data we conclude that CD45RO+ TILs serve as prognostic factors for predicting OS and DFS of breast cancer patients.
引用
收藏
页码:343 / 356
页数:14
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