American Association for Cancer Research
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Supplementary Figure Legends and Supplementary Tables 1 through 3 from The Different T-cell Receptor Repertoires in Breast Cancer Tumors, Draining Lymph Nodes, and Adjacent Tissues

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posted on 2023-04-03, 23:05 authored by Ting Wang, Changxi Wang, Jinghua Wu, Chenyang He, Wei Zhang, Jiayun Liu, Ruifang Zhang, Yonggang Lv, Yongping Li, Xiaojing Zeng, Hongzhi Cao, Xiuqing Zhang, Xun Xu, Chen Huang, Ling Wang, Xiao Liu

Supplementary Figure Legends. Table S1. The reproducibility of IHC scoring of infiltrated T cells. Table S2. The infiltration level of CD4+ and CD8+ T cells in tumors and non-tumors. Table S3. The clinical characteristics of 49 patients.

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ARTICLE ABSTRACT

T lymphocytes infiltrate the microenvironment of breast cancer tumors and play a pivotal role in tumor immune surveillance. Relationships between the T-cell receptors (TCR) borne by T cells within tumors, in the surrounding tissues, and in draining lymph nodes are largely unexplored in human breast cancer. Consequently, information about the relative extent of possible T-cell exchange between these tissues is also lacking. Here, we have analyzed the TCR repertoire of T cells using multiplex PCR and high-throughput sequencing of the TCRβ chain in the tissues of tumor, adjacent nontumor, and axillary lymph nodes of breast cancer patients. T-cell repertoire diversity in tumors was lower than in lymph nodes, but higher than in nontumor tissue, with a preferential use of variable and joining genes. These data are consistent with the hypothesis that most of the T cells in tumors derive from the lymph node, followed by their expansion in tumor tissue. Positive nodes appeared to enhance T-cell infiltration into tumors and T-cell clonal expansion in lymph nodes. Additionally, the similarity in TCR repertoire between tumor and nontumor tissue was significantly higher in luminal-like, rather than basal-like, breast cancer. Our study elucidated the high heterogeneity of the TCR repertoire and provides potential for future improvements in immune-related diagnosis, therapy, and prognosis for breast cancer patients. Cancer Immunol Res; 5(2); 148–56. ©2016 AACR.

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