ArticleFrontiers in immunology2024
Neoadjuvant chemotherapy is associated with suppression of the B cell-centered immune landscape in pancreatic ductal adenocarcinoma.
Article in Frontiers in immunology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 9 citations in OpenAlex.
- B Cells and Tumor Immunometabolism: Emerging Insights into Immune Regulation and Therapeutic Resistance.Antibodies (Basel, Switzerland) · 2026Review
- Tumor infiltrating B cells and tertiary lymphoid structures in pancreatic cancer prognosis and therapy.iScience · 2026Review
- Reprogramming myeloid cells and restoring T cell fitness in checkpoint inhibitor resistant melanoma patients.Biomarker research · 2026Article
- Tertiary lymphoid structures in neoadjuvant and perioperative cancer immunotherapy: a review and proposed framework for biomarker interpretation and validation.Frontiers in immunology · 2026Review
- The life cycle of tertiary lymphoid structures in pancreatic cancer-a window of opportunity for immunotherapy.Frontiers in immunology · 2026Review
- Dynamic remodeling of tertiary lymphoid structures in response to cancer therapy: a recent review.Cancer immunology, immunotherapy : CII · 2025Review
- Updates in the diagnosis and management of ductal adenocarcinoma of the pancreas.World journal of clinical oncology · 2025Review
- Tertiary Lymphoid Structures Are Associated with Progression-Free Survival of Peripheral Neuroblastic Tumor Patients.Cancers · 2025Article
- [Chinese Expert Consensus on Assessment and Clinical Application of Tertiary Lymphoid Structure for Non-small Cell Lung Cancer (2025 Version)].Zhongguo fei ai za zhi = Chinese journal of lung cancer · 2025Review
- Association of PD-1 + Treg/PD-1 + CD8 ratio and tertiary lymphoid structures with prognosis and response in advanced gastric cancer patients receiving preoperative treatment.Journal of translational medicine · 2024Article
- Role of tertiary lymphoid structures and B cells in clinical immunotherapy of gastric cancer.Frontiers in immunology · 2024Review
Corrections and comments
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Authors and funding
15 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is typically diagnosed at advanced stages and associated with early distant metastasis and poor survival. Besides clinical factors, the tumor microenvironment (TME) emerged as a crucial determinant of patient survival and therapy response in many tumors, including PDAC. Thus, the presence of tumor-infiltrating lymphocytes and the formation of tertiary lymphoid structures (TLS) is associated with longer survival in PDAC. Although neoadjuvant therapy (NeoTx) has improved the management of locally advanced tumors, detailed insight into its effect on various TME components is limited. While a remodeling towards a proinflammatory state was reported for PDAC-infiltrating T cells, the effect of NeoTx on B cell subsets, including plasma cells, and TLS formation is widely unclear. We thus investigated the frequency, composition, and spatial distribution of PDAC-infiltrating B cells in primary resected (PR) versus neoadjuvant-treated patients using a novel multiplex immunohistochemistry panel. The NeoTx group displayed significantly lower frequencies of pan B cells, GC B cells, plasmablasts, and plasma cells, accompanied by a reduced abundance of TLS. This finding was supported by bulk RNA-sequencing analysis of an independent fresh frozen tissue cohort, which revealed that major B cell pathways were downregulated in the NeoTx group. We further observed that plasma cells frequently formed aggregates that localized close to TLS and that TLS
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