Cited by 792Cancer Immunotherapy and BiomarkersBreast Cancer Treatment StudiesImmune cells in cancer

The DOI matches its Crossref record; 77 of the 77 references it cites were found in a registry or an index.

Single-cell analyses reveal key immune cell subsets associated with response to PD-L1 blockade in triple-negative breast cancer

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Abstract

In triple-negative breast cancer (TNBC), the benefit of combining chemotherapy with checkpoint inhibitors is still not very clear. We utilize single-cell RNA- and ATAC-sequencing to examine the immune cell dynamics in 22 patients with advanced TNBC treated with paclitaxel or its combination with the anti-PD-L1 atezolizumab. We demonstrate that high levels of baseline CXCL13 + T cells are linked to the proinflammatory features of macrophages and can predict effective responses to the combination therapy. In responsive patients, lymphoid tissue inducer (LTi) cells, follicular B (Bfoc) cells, CXCL13 + T cells, and conventional type 1 dendritic cells (cDC1) concertedly increase following the combination therapy, but instead decrease after paclitaxel monotherapy. Our data highlight the importance of CXCL13 + T cells in effective responses to anti-PD-L1 therapies and suggest that their reduction by paclitaxel regimen may compromise the clinical outcomes of accompanying atezolizumab for TNBC treatment.

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Metadata

Authors
Zhang, Y., Chen, H., Mo, H., Hu, X., Gao, R., Zhao, Y., Liu, B., Niu, L., Sun, X., Yu, X., Wang, Y., Chang, Q., Gong, T., Guan, X., Hu, T., Qian, T., Xu, B., Ma, F., Zhang, Z., & Liu, Z.
Affiliations
  • Peking University (CN)
  • Chinese Academy of Medical Sciences & Peking Union Medical College (CN)
  • Cancer Hospital of Huanxing Chaoyang District Beijing (CN)
Corresponding author
  • Xu, Binghe
  • Ma, Fei
  • Zhang, Zemin
  • Liu, Zhihua
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2021-12
Volume
39
Issue
12
Pages
1578-1593.e8
ISSN
1535-6108 (ISSN-L)
OpenAlex
W3205385275
Cited by
783
References
77
Citations by year
2026: 135 · 2025: 206 · 2024: 183 · 2023: 158 · 2022: 93 · 2021: 8
FWCI
41.16
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (31991171, 81988101, 82030089, 91942307)
  • Chinese Academy of Meteorological Sciences (2016-I2M-1-001, 2017-I2M-3-004, 2019-I2M-1-003)
  • Peking University
  • Beijing Municipal Science and Technology Commission (Z201100005320014)
  • National Key Research and Development Program of China (2018YFC1312101, 2020YFA0803300)
Topics
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Breast Cancer Treatment Studies
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
Keywords
triple-negative breast cancer, PD-L1 blockade, atezolizumab, paclitaxel, immune cell dynamics, lymphoid tissue inducer cells, follicular B cells, conventional type 1 dendritic cells, single-cell RNA sequencing, single-cell ATAC-seq
MeSH terms
Immune Checkpoint Inhibitors, Female, Humans, Single-Cell Analysis, Triple Negative Breast Neoplasms

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