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Multi-omic analyses of changes in the tumor microenvironment of pancreatic adenocarcinoma following neoadjuvant treatment with anti-PD-1 therapy

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机构: [1]Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [2]The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [3]The Skip Viragh Pancreatic Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [4]The Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [5]The Bloomberg Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [6]Quantitative Sciences Division, Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [7]Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [8]Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [9]Department of Radiation Oncology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [10]The Cancer Convergence Institute at Johns Hopkins, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [11]Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA [12]Department of Pancreatic Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China [13]Department of Applied Mathematics and Statistics, Johns Hopkins University Whiting School of Engineering, Baltimore, MD 21218, USA [14]Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21218, USA
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Successful pancreatic ductal adenocarcinoma (PDAC) immunotherapy necessitates optimization and maintenance of activated effector T cells (Teff). We prospectively collected and applied multi-omic analyses to paired pre- and post-treatment PDAC specimens collected in a platform neoadjuvant study of granulocyte-macrophage colony-stimulating factor-secreting allogeneic PDAC vaccine (GVAX) vaccine ± nivolumab (anti-programmed cell death protein 1 [PD-1]) to uncover sensitivity and resistance mechanisms. We show that GVAX-induced tertiary lymphoid aggregates become immune-regulatory sites in response to GVAX + nivolumab. Higher densities of tumor-associated neutrophils (TANs) following GVAX + nivolumab portend poorer overall survival (OS). Increased T cells expressing CD137 associated with cytotoxic Teff signatures and correlated with increased OS. Bulk and single-cell RNA sequencing found that nivolumab alters CD4+ T cell chemotaxis signaling in association with CD11b+ neutrophil degranulation, and CD8+ T cell expression of CD137 was required for optimal T cell activation. These findings provide insights into PD-1-regulated immune pathways in PDAC that should inform more effective therapeutic combinations that include TAN regulators and T cell activators.Copyright © 2022 The Author(s). Published by Elsevier Inc. All rights reserved.

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出版当年[2022]版:
大类 | 1 区 医学
小类 | 1 区 肿瘤学 1 区 细胞生物学
最新[2023]版:
大类 | 1 区 医学
小类 | 1 区 细胞生物学 1 区 肿瘤学
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第一作者机构: [1]Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [2]The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [4]The Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [5]The Bloomberg Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [12]Department of Pancreatic Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
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通讯机构: [1]Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [2]The Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [3]The Skip Viragh Pancreatic Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [4]The Pancreatic Cancer Precision Medicine Center of Excellence Program, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [5]The Bloomberg Kimmel Institute for Cancer Immunotherapy, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [6]Quantitative Sciences Division, Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [8]Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [10]The Cancer Convergence Institute at Johns Hopkins, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA [13]Department of Applied Mathematics and Statistics, Johns Hopkins University Whiting School of Engineering, Baltimore, MD 21218, USA [14]Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21218, USA
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