1
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Jing ZQ, Luo ZQ, Chen SR, Sun ZJ. Heterogeneity of myeloid cells in common cancers: Single cell insights and targeting strategies. Int Immunopharmacol 2024; 134:112253. [PMID: 38735257 DOI: 10.1016/j.intimp.2024.112253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/02/2024] [Accepted: 05/09/2024] [Indexed: 05/14/2024]
Abstract
Tumor microenvironment (TME), is characterized by a complex and heterogenous composition involving a substantial population of immune cells. Myeloid cells comprising over half of the solid tumor mass, are undoubtedly one of the most prominent cell populations associated with tumors. Studies have unambiguously established that myeloid cells play a key role in tumor development, including immune suppression, pro-inflammation, promote tumor metastasis and angiogenesis, for example, tumor-associated macrophages promote tumor progression in a variety of common tumors, including lung cancer, through direct or indirect interactions with the TME. However, due to previous technological constraints, research on myeloid cells often tended to be conducted as studies with low throughput and limited resolution. For example, the conventional categorization of macrophages into M1-like and M2-like subsets based solely on their anti-tumor and pro-tumor roles has disregarded their continuum of states, resulting in an inadequate analysis of the high heterogeneity characterizing myeloid cells. The widespread adoption of single-cell RNA sequencing (scRNA-seq) in tumor immunology has propelled researchers into a new realm of understanding, leading to the establishment of novel subsets and targets. In this review, the origin of myeloid cells in high-incidence cancers, the functions of myeloid cell subsets examined through traditional and single-cell perspectives, as well as specific targeting strategies, are comprehensively outlined. As a result of this endeavor, we will gain a better understanding of myeloid cell heterogeneity, as well as contribute to the development of new therapeutic approaches.
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Affiliation(s)
- Zhi-Qian Jing
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Science, Wuhan University, Wuhan 430079, China
| | - Zhi-Qi Luo
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Science, Wuhan University, Wuhan 430079, China
| | - Si-Rui Chen
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Science, Wuhan University, Wuhan 430079, China
| | - Zhi-Jun Sun
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Frontier Science Center for Immunology and Metabolism, Taikang Center for Life and Medical Science, Wuhan University, Wuhan 430079, China.
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2
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De Sá Fernandes C, Novoszel P, Gastaldi T, Krauß D, Lang M, Rica R, Kutschat AP, Holcmann M, Ellmeier W, Seruggia D, Strobl H, Sibilia M. The histone deacetylase HDAC1 controls dendritic cell development and anti-tumor immunity. Cell Rep 2024; 43:114308. [PMID: 38829740 DOI: 10.1016/j.celrep.2024.114308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 03/17/2024] [Accepted: 05/16/2024] [Indexed: 06/05/2024] Open
Abstract
Dendritic cell (DC) progenitors adapt their transcriptional program during development, generating different subsets. How chromatin modifications modulate these processes is unclear. Here, we investigate the impact of histone deacetylation on DCs by genetically deleting histone deacetylase 1 (HDAC1) or HDAC2 in hematopoietic progenitors and CD11c-expressing cells. While HDAC2 is not critical for DC development, HDAC1 deletion impairs pro-pDC and mature pDC generation and affects ESAM+cDC2 differentiation from tDCs and pre-cDC2s, whereas cDC1s are unchanged. HDAC1 knockdown in human hematopoietic cells also impairs cDC2 development, highlighting its crucial role across species. Multi-omics analyses reveal that HDAC1 controls expression, chromatin accessibility, and histone acetylation of the transcription factors IRF4, IRF8, and SPIB required for efficient development of cDC2 subsets. Without HDAC1, DCs switch immunologically, enhancing tumor surveillance through increased cDC1 maturation and interleukin-12 production, driving T helper 1-mediated immunity and CD8+ T cell recruitment. Our study reveals the importance of histone acetylation in DC development and anti-tumor immunity, suggesting DC-targeted therapeutic strategies for immuno-oncology.
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Affiliation(s)
- Cristiano De Sá Fernandes
- Center for Cancer Research, Medical University of Vienna, Comprehensive Cancer Center, Vienna, Austria
| | - Philipp Novoszel
- Center for Cancer Research, Medical University of Vienna, Comprehensive Cancer Center, Vienna, Austria
| | - Tommaso Gastaldi
- Center for Cancer Research, Medical University of Vienna, Comprehensive Cancer Center, Vienna, Austria
| | - Dana Krauß
- Center for Cancer Research, Medical University of Vienna, Comprehensive Cancer Center, Vienna, Austria
| | - Magdalena Lang
- Division of Immunology, Otto Loewi Research Center, Medical University of Graz, Graz, Austria
| | - Ramona Rica
- Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Ana P Kutschat
- St. Anna Children's Cancer Research Institute, Vienna, Austria; CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Martin Holcmann
- Center for Cancer Research, Medical University of Vienna, Comprehensive Cancer Center, Vienna, Austria
| | - Wilfried Ellmeier
- Institute of Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Davide Seruggia
- St. Anna Children's Cancer Research Institute, Vienna, Austria; CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Herbert Strobl
- Division of Immunology, Otto Loewi Research Center, Medical University of Graz, Graz, Austria
| | - Maria Sibilia
- Center for Cancer Research, Medical University of Vienna, Comprehensive Cancer Center, Vienna, Austria.
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3
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Shen X, Li X, Wu T, Guo T, Lv J, He Z, Luo M, Zhu X, Tian Y, Lai W, Dong C, Hu X, Wu L. TRIM33 plays a critical role in regulating dendritic cell differentiation and homeostasis by modulating Irf8 and Bcl2l11 transcription. Cell Mol Immunol 2024:10.1038/s41423-024-01179-1. [PMID: 38822080 DOI: 10.1038/s41423-024-01179-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 04/25/2024] [Indexed: 06/02/2024] Open
Abstract
The development of distinct dendritic cell (DC) subsets, namely, plasmacytoid DCs (pDCs) and conventional DC subsets (cDC1s and cDC2s), is controlled by specific transcription factors. IRF8 is essential for the fate specification of cDC1s. However, how the expression of Irf8 is regulated is not fully understood. In this study, we identified TRIM33 as a critical regulator of DC differentiation and maintenance. TRIM33 deletion in Trim33fl/fl Cre-ERT2 mice significantly impaired DC differentiation from hematopoietic progenitors at different developmental stages. TRIM33 deficiency downregulated the expression of multiple genes associated with DC differentiation in these progenitors. TRIM33 promoted the transcription of Irf8 to facilitate the differentiation of cDC1s by maintaining adequate CDK9 and Ser2 phosphorylated RNA polymerase II (S2 Pol II) levels at Irf8 gene sites. Moreover, TRIM33 prevented the apoptosis of DCs and progenitors by directly suppressing the PU.1-mediated transcription of Bcl2l11, thereby maintaining DC homeostasis. Taken together, our findings identified TRIM33 as a novel and crucial regulator of DC differentiation and maintenance through the modulation of Irf8 and Bcl2l11 expression. The finding that TRIM33 functions as a critical regulator of both DC differentiation and survival provides potential benefits for devising DC-based immune interventions and therapies.
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Affiliation(s)
- Xiangyi Shen
- Institute for Immunology, School of Basic Medical Sciences, Tsinghua University, 100084, Beijing, China
| | - Xiaoguang Li
- Institute for Immunology, School of Basic Medical Sciences, Tsinghua University, 100084, Beijing, China
- Joint Graduate Program of Peking-Tsinghua-National Institute of Biological Sciences, School of Life Sciences, Tsinghua University, 100084, Beijing, China
| | - Tao Wu
- Institute for Immunology, School of Basic Medical Sciences, Tsinghua University, 100084, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, 100084, Beijing, China
| | - Tingting Guo
- Institute for Immunology, School of Basic Medical Sciences, Tsinghua University, 100084, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, 100084, Beijing, China
| | - Jiaoyan Lv
- Institute for Immunology, School of Basic Medical Sciences, Tsinghua University, 100084, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, 100084, Beijing, China
| | - Zhimin He
- Institute for Immunology, School of Basic Medical Sciences, Tsinghua University, 100084, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, 100084, Beijing, China
| | - Maocai Luo
- Institute for Immunology, School of Basic Medical Sciences, Tsinghua University, 100084, Beijing, China
| | - Xinyi Zhu
- Institute for Immunology, School of Basic Medical Sciences, Tsinghua University, 100084, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, 100084, Beijing, China
| | - Yujie Tian
- Institute for Immunology, School of Basic Medical Sciences, Tsinghua University, 100084, Beijing, China
- Joint Graduate Program of Peking-Tsinghua-National Institute of Biological Sciences, School of Life Sciences, Tsinghua University, 100084, Beijing, China
| | - Wenlong Lai
- Institute for Immunology, School of Basic Medical Sciences, Tsinghua University, 100084, Beijing, China
| | - Chen Dong
- Institute for Immunology, School of Basic Medical Sciences, Tsinghua University, 100084, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, 100084, Beijing, China
- Beijing Key Laboratory for Immunological Research on Chronic Diseases, 100084, Beijing, China
- Westlake University School of Medicine, Hangzhou, 310024, China
| | - Xiaoyu Hu
- Institute for Immunology, School of Basic Medical Sciences, Tsinghua University, 100084, Beijing, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, 100084, Beijing, China
- Beijing Key Laboratory for Immunological Research on Chronic Diseases, 100084, Beijing, China
| | - Li Wu
- Institute for Immunology, School of Basic Medical Sciences, Tsinghua University, 100084, Beijing, China.
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, 100084, Beijing, China.
- Beijing Key Laboratory for Immunological Research on Chronic Diseases, 100084, Beijing, China.
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4
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Chen C, Padi M. Flexible modeling of regulatory networks improves transcription factor activity estimation. NPJ Syst Biol Appl 2024; 10:58. [PMID: 38806476 PMCID: PMC11133322 DOI: 10.1038/s41540-024-00386-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 05/13/2024] [Indexed: 05/30/2024] Open
Abstract
Transcriptional regulation plays a crucial role in determining cell fate and disease, yet inferring the key regulators from gene expression data remains a significant challenge. Existing methods for estimating transcription factor (TF) activity often rely on static TF-gene interaction databases and cannot adapt to changes in regulatory mechanisms across different cell types and disease conditions. Here, we present a new algorithm - Transcriptional Inference using Gene Expression and Regulatory data (TIGER) - that overcomes these limitations by flexibly modeling activation and inhibition events, up-weighting essential edges, shrinking irrelevant edges towards zero through a sparse Bayesian prior, and simultaneously estimating both TF activity levels and changes in the underlying regulatory network. When applied to yeast and cancer TF knock-out datasets, TIGER outperforms comparable methods in terms of prediction accuracy. Moreover, our application of TIGER to tissue- and cell-type-specific RNA-seq data demonstrates its ability to uncover differences in regulatory mechanisms. Collectively, our findings highlight the utility of modeling context-specific regulation when inferring transcription factor activities.
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Affiliation(s)
- Chen Chen
- Department of Epidemiology and Biostatistics, University of Arizona Mel and Enid Zuckerman College of Public Health, Tucson, AZ, USA
- University of Arizona Cancer Center, University of Arizona, Tucson, AZ, USA
| | - Megha Padi
- University of Arizona Cancer Center, University of Arizona, Tucson, AZ, USA.
- Department of Molecular and Cellular Biology, University of Arizona, Tucson, AZ, USA.
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5
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Audiger C, Laâbi Y, Nie J, Gibson L, Wilson-Annan J, Brook-Carter P, Kueh A, Harris AW, Naik S, Nutt SL, Strasser A, Adams JM, Bouillet P, Chopin M. Mis-expression of GATA6 re-programs cell fate during early hematopoiesis. Cell Rep 2024; 43:114159. [PMID: 38676923 DOI: 10.1016/j.celrep.2024.114159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 03/06/2024] [Accepted: 04/11/2024] [Indexed: 04/29/2024] Open
Abstract
The traditional view of hematopoiesis is that myeloid cells derive from a common myeloid progenitor (CMP), whereas all lymphoid cell populations, including B, T, and natural killer (NK) cells and possibly plasmacytoid dendritic cells (pDCs), arise from a common lymphoid progenitor (CLP). In Max41 transgenic mice, nearly all B cells seem to be diverted into the granulocyte lineage. Here, we show that these mice have an excess of myeloid progenitors, but their CLP compartment is ablated, and they have few pDCs. Nevertheless, T cell and NK cell development proceeds relatively normally. These hematopoietic abnormalities result from aberrant expression of Gata6 due to serendipitous insertion of the transgene enhancer (Eμ) in its proximity. Gata6 mis-expression in Max41 transgenic progenitors promoted the gene-regulatory networks that drive myelopoiesis through increasing expression of key transcription factors, including PU.1 and C/EBPa. Thus, mis-expression of a single key regulator like GATA6 can dramatically re-program multiple aspects of hematopoiesis.
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Affiliation(s)
- Cindy Audiger
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne; Melbourne, VIC 3052, Australia
| | - Yacine Laâbi
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne; Melbourne, VIC 3052, Australia
| | - Junli Nie
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne; Melbourne, VIC 3052, Australia
| | - Leonie Gibson
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia
| | - Julie Wilson-Annan
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne; Melbourne, VIC 3052, Australia
| | - Phillip Brook-Carter
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne; Melbourne, VIC 3052, Australia; Federation University Australia, Ballarat, VIC 3350, Australia
| | - Andrew Kueh
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne; Melbourne, VIC 3052, Australia
| | - Alan W Harris
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne; Melbourne, VIC 3052, Australia
| | - Shalin Naik
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne; Melbourne, VIC 3052, Australia
| | - Stephen L Nutt
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne; Melbourne, VIC 3052, Australia.
| | - Andreas Strasser
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne; Melbourne, VIC 3052, Australia.
| | - Jerry M Adams
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne; Melbourne, VIC 3052, Australia
| | - Philippe Bouillet
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne; Melbourne, VIC 3052, Australia
| | - Michaël Chopin
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC 3052, Australia; Department of Medical Biology, The University of Melbourne; Melbourne, VIC 3052, Australia; Department of Biochemistry, Monash Biomedicine Discovery Institute, Monash University, 15 Innovation Walk, Clayton, VIC 3800, Australia
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6
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Rodrigues PF, Trsan T, Cvijetic G, Khantakova D, Panda SK, Liu Z, Ginhoux F, Cella M, Colonna M. Progenitors of distinct lineages shape the diversity of mature type 2 conventional dendritic cells. Immunity 2024:S1074-7613(24)00260-7. [PMID: 38821051 DOI: 10.1016/j.immuni.2024.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 02/15/2024] [Accepted: 05/07/2024] [Indexed: 06/02/2024]
Abstract
Conventional dendritic cells (cDC) are antigen-presenting cells comprising cDC1 and cDC2, responsible for priming naive CD8+ and CD4+ T cells, respectively. Recent studies have unveiled cDC2 heterogeneity and identified various cDC2 progenitors beyond the common DC progenitor (CDP), hinting at distinct cDC2 lineages. By generating Cd300ciCre-hCD2R26tdTomato reporter mice, we identified a bone marrow pro-cDC2 progenitor exclusively generating cDC2 in vitro and in vivo. Single-cell analyses and multiparametric flow cytometry demonstrated that pro-cDC2 encompasses myeloid-derived pre-cDC2 and lymphoid-derived plasmacytoid DC (pDC)-like precursors differentiating into a transcriptionally convergent cDC2 phenotype. Cd300c-traced cDC2 had distinct transcriptomic profiles, phenotypes, and tissue distributions compared with Ms4a3CreR26tdTomato lineage-traced DC3, a monocyte-DC progenitor (MDP)-derived subset that bypasses CDP. Mice with reduced Cd300c-traced cDC2 showed impaired humoral responses to T cell-dependent antigens. We conclude that progenitors of distinct lineages shape the diversity of mature cDC2 across tissues. Thus, ontogenesis may impact tissue immune responses.
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Affiliation(s)
- Patrick Fernandes Rodrigues
- Department of Pathology and Immunology, Washington University School of Medicine in Saint Louis, St. Louis, MO, USA
| | - Tihana Trsan
- Department of Pathology and Immunology, Washington University School of Medicine in Saint Louis, St. Louis, MO, USA
| | - Grozdan Cvijetic
- National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - Darya Khantakova
- Department of Pathology and Immunology, Washington University School of Medicine in Saint Louis, St. Louis, MO, USA
| | - Santosh K Panda
- Department of Pathology and Immunology, Washington University School of Medicine in Saint Louis, St. Louis, MO, USA
| | - Zhaoyuan Liu
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Florent Ginhoux
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China; Institut Gustave Roussy, INSERM U1015, Bâtiment de Médecine Moléculaire 114 rue Edouard Vaillant, 94800 Villejuif, France; Singapore Immunology Network (SIgN), A(∗)STAR, 8A Biomedical Grove, Immunos Building, Level 3, Singapore 138648, Singapore
| | - Marina Cella
- Department of Pathology and Immunology, Washington University School of Medicine in Saint Louis, St. Louis, MO, USA
| | - Marco Colonna
- Department of Pathology and Immunology, Washington University School of Medicine in Saint Louis, St. Louis, MO, USA.
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7
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Shumilov E, Mazzeo P, Ghandili S, Künstner A, Weidemann S, Banz Y, Ströbel P, Pollak M, Kolloch L, Beltraminelli H, Kerkhoff A, Mikesch JH, Schliemann C, Haase D, Wulf G, Legros M, Lenz G, Feldmeyer L, Pabst T, Witte H, Gebauer N, Bacher U. Diagnostic management of blastic plasmacytoid dendritic cell neoplasm (BPDCN) in close interaction with therapeutic considerations. Ann Hematol 2024; 103:1587-1599. [PMID: 38194088 PMCID: PMC11009756 DOI: 10.1007/s00277-023-05587-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 12/12/2023] [Indexed: 01/10/2024]
Abstract
Blastic plasmacytoid dendritic cell neoplasm (BPDCN), a rare malignancy derived from plasmacytoid dendritic cells, can mimic both acute leukemia and aggressive T-cell lymphoma. Therapy of this highly aggressive hematological disease should be initiated as soon as possible, especially in light of novel targeted therapies that have become available. However, differential diagnosis of BPDCN remains challenging. This retrospective study aimed to highlight the challenges to timely diagnoses of BPDCN. We documented the diagnostic and clinical features of 43 BPDCN patients diagnosed at five academic hospitals from 2001-2022. The frequency of BPDCN diagnosis compared to AML was 1:197 cases. The median interval from the first documented clinical manifestation to diagnosis of BPDCN was 3 months. Skin (65%) followed by bone marrow (51%) and blood (45%) involvement represented the most common sites. Immunophenotyping revealed CD4 + , CD45 + , CD56 + , CD123 + , HLA-DR + , and TCL-1 + as the most common surface markers. Overall, 86% (e.g. CD33) and 83% (e.g., CD7) showed co-expression of myeloid and T-cell markers, respectively. In the median, we detected five genomic alterations per case including mutational subtypes typically involved in AML: DNA methylation (70%), signal transduction (46%), splicing factors (38%), chromatin modification (32%), transcription factors (32%), and RAS pathway (30%), respectively. The contribution of patients (30%) proceeding to any form of upfront stem cell transplantation (SCT; autologous or allogeneic) was almost equal resulting in beneficial overall survival rates in those undergoing allogeneic SCT (p = 0.0001). BPDCN is a rare and challenging entity sharing various typical characteristics of other hematological diseases. Comprehensive diagnostics should be initiated timely to ensure appropriate treatment strategies.
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Affiliation(s)
- Evgenii Shumilov
- Department of Medicine A for Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - Paolo Mazzeo
- Clinics of Hematology and Medical Oncology, INDIGHO Laboratory, University Medical Center Goettingen (UMG), Goettingen, Germany
| | - Susanne Ghandili
- Department of Oncology, Hematology and Bone Marrow Transplantation With Section Pneumology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Axel Künstner
- Medical Systems Biology Group, Luebeck Institute of Experimental Dermatology, University of Luebeck, Luebeck, Germany
| | - Sören Weidemann
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Yara Banz
- Institute of Pathology, University of Bern, Bern, Switzerland
| | - Philipp Ströbel
- Institute of Pathology, University Medical Center Goettingen, Goettingen, Germany
| | - Matthias Pollak
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Lina Kolloch
- Department of Medicine A for Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - Helmut Beltraminelli
- Dermatopathology Department, Ente Ospedaliero Cantonale (EOC), Locarno, Switzerland
| | - Andrea Kerkhoff
- Department of Medicine A for Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - Jan-Henrik Mikesch
- Department of Medicine A for Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - Christoph Schliemann
- Department of Medicine A for Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - Detlef Haase
- Clinics of Hematology and Medical Oncology, INDIGHO Laboratory, University Medical Center Goettingen (UMG), Goettingen, Germany
| | - Gerald Wulf
- Department of Hematology and Medical Oncology, University Medical Center Goettingen (UMG), Goettingen, Germany
| | - Myriam Legros
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Georg Lenz
- Department of Medicine A for Hematology, Oncology and Pneumology, University Hospital Muenster, Muenster, Germany
| | - Laurence Feldmeyer
- Department of Dermatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Thomas Pabst
- Department of Medical Oncology, Bern University Hospital, University of Bern, InselspitalBern, Switzerland
| | - Hanno Witte
- Department for Hematology and Oncology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
- Department for Hematology and Oncology, Bundeswehrkrankenhaus Ulm, Ulm, Germany
| | - Niklas Gebauer
- Department for Hematology and Oncology, University Hospital Schleswig-Holstein, Campus Luebeck, Luebeck, Germany
| | - Ulrike Bacher
- Department of Hematology and Central Hematology Laboratory, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
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8
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Knutson KL. Regulation of Tumor Dendritic Cells by Programmed Cell Death 1 Pathways. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:1397-1405. [PMID: 38621195 PMCID: PMC11027937 DOI: 10.4049/jimmunol.2300674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 01/18/2024] [Indexed: 04/17/2024]
Abstract
The advent of immune checkpoint blockade therapy has revolutionized cancer treatments and is partly responsible for the significant decline in cancer-related mortality observed during the last decade. Immune checkpoint inhibitors, such as anti-programmed cell death 1 (PD-1)/programmed cell death ligand 1 (PD-L1), have demonstrated remarkable clinical successes in a subset of cancer patients. However, a considerable proportion of patients remain refractory to immune checkpoint blockade, prompting the exploration of mechanisms of treatment resistance. Whereas much emphasis has been placed on the role of PD-L1 and PD-1 in regulating the activity of tumor-infiltrating T cells, recent studies have now shown that this immunoregulatory axis also directly regulates myeloid cell activity in the tumor microenvironment including tumor-infiltrating dendritic cells. In this review, I discuss the most recent advances in the understanding of how PD-1, PD-L1, and programmed cell death ligand 2 regulate the function of tumor-infiltrating dendritic cells, emphasizing the need for further mechanistic studies that could facilitate the development of novel combination immunotherapies for improved cancer patient benefit.
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9
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De Leeuw E, Hammad H. The role of dendritic cells in respiratory viral infection. Eur Respir Rev 2024; 33:230250. [PMID: 38811032 PMCID: PMC11134197 DOI: 10.1183/16000617.0250-2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 03/19/2024] [Indexed: 05/31/2024] Open
Abstract
Respiratory viral infections represent one of the major causes of death worldwide. The recent coronavirus disease 2019 pandemic alone claimed the lives of over 6 million people around the globe. It is therefore crucial to understand how the immune system responds to these threats and how respiratory infection can be controlled and constrained. Dendritic cells (DCs) are one of the key players in antiviral immunity because of their ability to detect pathogens. They can orchestrate an immune response that will, in most cases, lead to viral clearance. Different subsets of DCs are present in the lung and each subset can contribute to antiviral responses through various mechanisms. In this review, we discuss the role of the different lung DC subsets in response to common respiratory viruses, with a focus on respiratory syncytial virus, influenza A virus and severe acute respiratory syndrome coronavirus 2. We also review how lung DC-mediated responses to respiratory viruses can lead to the worsening of an existing chronic pulmonary disease such as asthma. Throughout the review, we discuss results obtained from animal studies as well as results generated from infected patients.
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Affiliation(s)
- Elisabeth De Leeuw
- Laboratory of Mucosal Immunology and Immunoregulation, VIB-UGent Center for Inflammation Research, Ghent, Belgium
- Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
| | - Hamida Hammad
- Laboratory of Mucosal Immunology and Immunoregulation, VIB-UGent Center for Inflammation Research, Ghent, Belgium
- Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
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10
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Hosohama L, Tifrea DF, Nee K, Park SY, Wu J, Habowski AN, Van C, Seldin MM, Edwards RA, Waterman ML. Colorectal Cancer Stem Cell Subtypes Orchestrate Distinct Tumor Microenvironments. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.25.591144. [PMID: 38712298 PMCID: PMC11071458 DOI: 10.1101/2024.04.25.591144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Several classification systems have been developed to define tumor subtypes in colorectal cancer (CRC). One system proposes that tumor heterogeneity derives in part from distinct cancer stem cell populations that co-exist as admixtures of varying proportions. However, the lack of single cell resolution has prohibited a definitive identification of these types of stem cells and therefore any understanding of how each influence tumor phenotypes. Here were report the isolation and characterization of two cancer stem cell subtypes from the SW480 CRC cell line. We find these cancer stem cells are oncogenic versions of the normal Crypt Base Columnar (CBC) and Regenerative Stem Cell (RSC) populations from intestinal crypts and that their gene signatures are consistent with the "Admixture" and other CRC classification systems. Using publicly available single cell RNA sequencing (scRNAseq) data from CRC patients, we determine that RSC and CBC cancer stem cells are commonly co-present in human CRC. To characterize influences on the tumor microenvironment, we develop subtype-specific xenograft models and we define their tumor microenvironments at high resolution via scRNAseq. RSCs create differentiated, inflammatory, slow growing tumors. CBCs create proliferative, undifferentiated, invasive tumors. With this enhanced resolution, we unify current CRC patient classification schema with TME phenotypes and organization.
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Affiliation(s)
- Linzi Hosohama
- Department of Microbiology & Molecular Genetics, School of Medicine, University of California, Irvine, California
| | - Delia F. Tifrea
- Department of Pathology & Laboratory Medicine, School of Medicine, University of California, Irvine, California
- Chao Family Comprehensive Cancer Center, University of California, Irvine, California
| | - Kevin Nee
- Department of Biological Chemistry, School of Medicine, University of California, Irvine, California
| | - Sung Yun Park
- Department of Microbiology & Molecular Genetics, School of Medicine, University of California, Irvine, California
| | - Jie Wu
- Department of Biological Chemistry, School of Medicine, University of California, Irvine, California
- Chao Family Comprehensive Cancer Center, University of California, Irvine, California
| | - Amber N. Habowski
- Department of Microbiology & Molecular Genetics, School of Medicine, University of California, Irvine, California
| | - Cassandra Van
- Department of Biological Chemistry, School of Medicine, University of California, Irvine, California
| | - Marcus M. Seldin
- Department of Biological Chemistry, School of Medicine, University of California, Irvine, California
- Chao Family Comprehensive Cancer Center, University of California, Irvine, California
- Cancer Research Institute, University of California, Irvine, California
| | - Robert A. Edwards
- Department of Pathology & Laboratory Medicine, School of Medicine, University of California, Irvine, California
- Chao Family Comprehensive Cancer Center, University of California, Irvine, California
- Cancer Research Institute, University of California, Irvine, California
| | - Marian L. Waterman
- Department of Microbiology & Molecular Genetics, School of Medicine, University of California, Irvine, California
- Chao Family Comprehensive Cancer Center, University of California, Irvine, California
- Cancer Research Institute, University of California, Irvine, California
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11
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Mani S, Garifallou J, Kim SJ, Simoni MK, Huh DD, Gordon SM, Mainigi M. Uterine macrophages and NK cells exhibit population and gene-level changes after implantation but maintain pro-invasive properties. Front Immunol 2024; 15:1364036. [PMID: 38566989 PMCID: PMC10985329 DOI: 10.3389/fimmu.2024.1364036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Accepted: 03/05/2024] [Indexed: 04/04/2024] Open
Abstract
Introduction Prior to pregnancy, hormonal changes lead to cellular adaptations in the endometrium allowing for embryo implantation. Critical for successful pregnancy establishment, innate immune cells constitute a significant proportion of uterine cells prior to arrival of the embryo and throughout the first trimester in humans and animal models. Abnormal uterine immune cell function during implantation is believed to play a role in multiple adverse pregnancy outcomes. Current work in humans has focused on uterine immune cells present after pregnancy establishment, and limited in vitro models exist to explore unique functions of these cells. Methods With single-cell RNA-sequencing (scRNAseq), we comprehensively compared the human uterine immune landscape of the endometrium during the window of implantation and the decidua during the first trimester of pregnancy. Results We uncovered global and cell-type-specific gene signatures for each timepoint. Immune cells in the endometrium prior to implantation expressed genes associated with immune metabolism, division, and activation. In contrast, we observed widespread interferon signaling during the first trimester of pregnancy. We also provide evidence of specific inflammatory pathways enriched in pre- and post-implantation macrophages and natural killer (NK) cells in the uterine lining. Using our novel implantation-on-a-chip (IOC) to model human implantation ex vivo, we demonstrate for the first time that uterine macrophages strongly promote invasion of extravillous trophoblasts (EVTs), a process essential for pregnancy establishment. Pre- and post-implantation uterine macrophages promoted EVT invasion to a similar degree as pre- and post-implantation NK cells on the IOC. Conclusions This work provides a foundation for further investigation of the individual roles of uterine immune cell subtypes present prior to embryo implantation and during early pregnancy, which will be critical for our understanding of pregnancy complications associated with abnormal trophoblast invasion and placentation.
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Affiliation(s)
- Sneha Mani
- Division of Reproductive Endocrinology and Infertility, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, United States
| | - James Garifallou
- Division of Neonatology, Children’s Hospital of Philadelphia, Philadelphia, PA, United States
| | - Se-jeong Kim
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA, United States
| | - Michael K. Simoni
- Division of Reproductive Endocrinology and Infertility, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, United States
| | - Dan Dongeun Huh
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA, United States
- National Science Foundation (NSF) Science and Technology Center for Engineering Mechanobiology, University of Pennsylvania, Philadelphia, PA, United States
- Institute for Regenerative Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Scott M. Gordon
- Division of Neonatology, Children’s Hospital of Philadelphia, Philadelphia, PA, United States
- Department of Pediatrics, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, United States
| | - Monica Mainigi
- Division of Reproductive Endocrinology and Infertility, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, United States
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12
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Minutti CM, Piot C, Pereira da Costa M, Chakravarty P, Rogers N, Huerga Encabo H, Cardoso A, Loong J, Bessou G, Mionnet C, Langhorne J, Bonnet D, Dalod M, Tomasello E, Reis E Sousa C. Distinct ontogenetic lineages dictate cDC2 heterogeneity. Nat Immunol 2024; 25:448-461. [PMID: 38351322 PMCID: PMC10907303 DOI: 10.1038/s41590-024-01745-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 01/08/2024] [Indexed: 03/03/2024]
Abstract
Conventional dendritic cells (cDCs) include functionally and phenotypically diverse populations, such as cDC1s and cDC2s. The latter population has been variously subdivided into Notch-dependent cDC2s, KLF4-dependent cDC2s, T-bet+ cDC2As and T-bet- cDC2Bs, but it is unclear how all these subtypes are interrelated and to what degree they represent cell states or cell subsets. All cDCs are derived from bone marrow progenitors called pre-cDCs, which circulate through the blood to colonize peripheral tissues. Here, we identified distinct mouse pre-cDC2 subsets biased to give rise to cDC2As or cDC2Bs. We showed that a Siglec-H+ pre-cDC2A population in the bone marrow preferentially gave rise to Siglec-H- CD8α+ pre-cDC2As in tissues, which differentiated into T-bet+ cDC2As. In contrast, a Siglec-H- fraction of pre-cDCs in the bone marrow and periphery mostly generated T-bet- cDC2Bs, a lineage marked by the expression of LysM. Our results showed that cDC2A versus cDC2B fate specification starts in the bone marrow and suggest that cDC2 subsets are ontogenetically determined lineages, rather than cell states imposed by the peripheral tissue environment.
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Affiliation(s)
- Carlos M Minutti
- Immunobiology Laboratory, The Francis Crick Institute, London, UK.
- Immunoregulation Laboratory, Champalimaud Research, Champalimaud Centre for the Unknown, Lisbon, Portugal.
| | - Cécile Piot
- Immunobiology Laboratory, The Francis Crick Institute, London, UK
| | | | - Probir Chakravarty
- Bioinformatics and Biostatistics, The Francis Crick Institute, London, UK
| | - Neil Rogers
- Immunobiology Laboratory, The Francis Crick Institute, London, UK
| | | | - Ana Cardoso
- Immunobiology Laboratory, The Francis Crick Institute, London, UK
| | - Jane Loong
- Retroviral Immunology Laboratory, The Francis Crick Institute, London, UK
| | - Gilles Bessou
- Aix-Marseille University, Centre National de la Recherche Scientifique, Institut National de la Santé et de la Recherche Médicale, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Cyrille Mionnet
- Aix-Marseille University, Centre National de la Recherche Scientifique, Institut National de la Santé et de la Recherche Médicale, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Jean Langhorne
- Malaria Immunology Laboratory, The Francis Crick Institute, London, UK
| | - Dominique Bonnet
- Haematopoietic Stem Cell Laboratory, The Francis Crick Institute, London, UK
| | - Marc Dalod
- Aix-Marseille University, Centre National de la Recherche Scientifique, Institut National de la Santé et de la Recherche Médicale, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Elena Tomasello
- Aix-Marseille University, Centre National de la Recherche Scientifique, Institut National de la Santé et de la Recherche Médicale, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
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13
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Palomares F, Pina A, Dakhaoui H, Leiva-Castro C, Munera-Rodriguez AM, Cejudo-Guillen M, Granados B, Alba G, Santa-Maria C, Sobrino F, Lopez-Enriquez S. Dendritic Cells as a Therapeutic Strategy in Acute Myeloid Leukemia: Vaccines. Vaccines (Basel) 2024; 12:165. [PMID: 38400148 PMCID: PMC10891551 DOI: 10.3390/vaccines12020165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 01/11/2024] [Accepted: 02/04/2024] [Indexed: 02/25/2024] Open
Abstract
Dendritic cells (DCs) serve as professional antigen-presenting cells (APC) bridging innate and adaptive immunity, playing an essential role in triggering specific cellular and humoral responses against tumor and infectious antigens. Consequently, various DC-based antitumor therapeutic strategies have been developed, particularly vaccines, and have been intensively investigated specifically in the context of acute myeloid leukemia (AML). This hematological malignancy mainly affects the elderly population (those aged over 65), which usually presents a high rate of therapeutic failure and an unfavorable prognosis. In this review, we examine the current state of development and progress of vaccines in AML. The findings evidence the possible administration of DC-based vaccines as an adjuvant treatment in AML following initial therapy. Furthermore, the therapy demonstrates promising outcomes in preventing or delaying tumor relapse and exhibits synergistic effects when combined with other treatments during relapses or disease progression. On the other hand, the remarkable success observed with RNA vaccines for COVID-19, delivered in lipid nanoparticles, has revealed the efficacy and effectiveness of these types of vectors, prompting further exploration and their potential application in AML, as well as other neoplasms, loading them with tumor RNA.
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Affiliation(s)
- Francisca Palomares
- Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, University of Seville, Av. Sanchez Pizjuan s/n, 41009 Seville, Spain; (A.P.); (H.D.); (C.L.-C.); (A.M.M.-R.); (G.A.); (F.S.)
- Institute of Biomedicine of Seville (IBiS) HUVR/CSIC/University of Seville, Avda. Manuel Siurot s/n, 41013 Seville, Spain;
| | - Alejandra Pina
- Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, University of Seville, Av. Sanchez Pizjuan s/n, 41009 Seville, Spain; (A.P.); (H.D.); (C.L.-C.); (A.M.M.-R.); (G.A.); (F.S.)
| | - Hala Dakhaoui
- Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, University of Seville, Av. Sanchez Pizjuan s/n, 41009 Seville, Spain; (A.P.); (H.D.); (C.L.-C.); (A.M.M.-R.); (G.A.); (F.S.)
| | - Camila Leiva-Castro
- Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, University of Seville, Av. Sanchez Pizjuan s/n, 41009 Seville, Spain; (A.P.); (H.D.); (C.L.-C.); (A.M.M.-R.); (G.A.); (F.S.)
| | - Ana M. Munera-Rodriguez
- Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, University of Seville, Av. Sanchez Pizjuan s/n, 41009 Seville, Spain; (A.P.); (H.D.); (C.L.-C.); (A.M.M.-R.); (G.A.); (F.S.)
| | - Marta Cejudo-Guillen
- Institute of Biomedicine of Seville (IBiS) HUVR/CSIC/University of Seville, Avda. Manuel Siurot s/n, 41013 Seville, Spain;
- Department of Pharmacology, Pediatry, and Radiology, School of Medicine, University of Seville, Av. Sanchez Pizjuan s/n, 41009 Seville, Spain
| | - Beatriz Granados
- Distrito Sanitario de Atención Primaria Málaga, Sistema Sanitario Público de Andalucía, 29004 Malaga, Spain;
| | - Gonzalo Alba
- Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, University of Seville, Av. Sanchez Pizjuan s/n, 41009 Seville, Spain; (A.P.); (H.D.); (C.L.-C.); (A.M.M.-R.); (G.A.); (F.S.)
| | - Consuelo Santa-Maria
- Department of Biochemistry and Molecular Biology, School of Pharmacy, University of Seville, 41012 Seville, Spain;
| | - Francisco Sobrino
- Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, University of Seville, Av. Sanchez Pizjuan s/n, 41009 Seville, Spain; (A.P.); (H.D.); (C.L.-C.); (A.M.M.-R.); (G.A.); (F.S.)
| | - Soledad Lopez-Enriquez
- Department of Medical Biochemistry and Molecular Biology, and Immunology, School of Medicine, University of Seville, Av. Sanchez Pizjuan s/n, 41009 Seville, Spain; (A.P.); (H.D.); (C.L.-C.); (A.M.M.-R.); (G.A.); (F.S.)
- Institute of Biomedicine of Seville (IBiS) HUVR/CSIC/University of Seville, Avda. Manuel Siurot s/n, 41013 Seville, Spain;
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14
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Samborska I, Maievskyi O, Podzihun L, Lavrynenko V. Features of immune reactivity of the spleen and mechanisms of organ damage under the influence of animal venom toxins including scorpions (review). WIADOMOSCI LEKARSKIE (WARSAW, POLAND : 1960) 2024; 77:120-125. [PMID: 38431816 DOI: 10.36740/wlek202401115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/05/2024]
Abstract
OBJECTIVE Aim: To establish features of immune reactivity of the spleen and mechanisms of organ damage under the influence of animal venom toxins including scorpions. PATIENTS AND METHODS Materials and Methods: A thorough literature analysis was conducted on the basis of PubMed, Google Scholar, Web of Science, and Scopus databases. When processing the search results, we chose the newest publications up to 5 years old or the most thorough publications that vividly described the essence of our topic. CONCLUSION Conclusions: Spleen plays a leading role in the implementation of the body's defense processes, the elimination of structural elements affected by toxins, and the restoration of immune homeostasis. Its participation in the formation of the immune response can be accompanied by qualitative and quantitative changes in histological organization. Morpho-functional changes in the spleen under the action of animal venom toxins currently require careful study, because from the information available in the literature today, it is not possible to clearly construct a complete picture of lesions of certain components of the organ at the microscopic or submicroscopic levels. Therefore, this direction of research in the medical field is currently relevant, taking into account the existence of a large number of poisonous animals, including scorpions.
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Affiliation(s)
- Inha Samborska
- NATIONAL PIROGOV MEMORIAL MEDICAL UNIVERSITY, VINNYTSIA, UKRAINE
| | - Oleksandr Maievskyi
- EDUCATIONAL AND SCIENTIFIC CENTER "INSTITUTE OF BIOLOGY AND MEDICINE" OF TARAS SHEVCHENKO NATIONAL UNIVERSITY OF KYIV, KYIV, UKRAINE
| | | | - Victoriia Lavrynenko
- EDUCATIONAL AND SCIENTIFIC CENTER "INSTITUTE OF BIOLOGY AND MEDICINE" OF TARAS SHEVCHENKO NATIONAL UNIVERSITY OF KYIV, KYIV, UKRAINE
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15
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Webb S, Haniffa M. Large-scale single-cell RNA sequencing atlases of human immune cells across lifespan: Possibilities and challenges. Eur J Immunol 2023; 53:e2250222. [PMID: 36826421 DOI: 10.1002/eji.202250222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023]
Abstract
Single-cell RNA sequencing technologies have successfully been leveraged for immunological insights into human prenatal, pediatric, and adult tissues. These single-cell studies have led to breakthroughs in our understanding of stem, myeloid, and lymphoid cell function. Computational analysis of fetal hematopoietic tissues has uncovered trajectories for T- and B-cell differentiation across multiple organ sites, and how these trajectories might be dysregulated in fetal and pediatric health and disease. As we enter the age of large-scale, multiomic, and integrative single-cell meta-analysis, we assess the advances and challenges of large-scale data generation, analysis, and reanalysis, and data dissemination for a broad range of scientific and clinical communities. We discuss Findable, Accessible, Interoperable, and Reusable data sharing and unified cell ontology languages as strategic areas for progress of the field in the near future. We also reflect on the trend toward deployment of multiomic and spatial genomic platforms within single-cell RNA sequencing projects, and the crucial role these data types will assume in the immediate future toward creation of comprehensive and rich single-cell atlases. We demonstrate using our recent studies of human prenatal and adult hematopoietic tissues the importance of interdisciplinary and collaborative working in science to reveal biological insights in parallel with technological and computational innovations.
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Affiliation(s)
- Simone Webb
- Biosciences Institute, Newcastle University, Newcastle Upon Tyne, UK
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
| | - Muzlifah Haniffa
- Biosciences Institute, Newcastle University, Newcastle Upon Tyne, UK
- Wellcome Sanger Institute, Wellcome Genome Campus, Cambridge, UK
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16
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In H, Park JS, Shin HS, Ryu SH, Sohn M, Choi W, Park S, Hwang S, Park J, Che L, Kim TG, Chu MK, Na HY, Park CG. Identification of dendritic cell precursor from the CD11c + cells expressing high levels of MHC class II molecules in the culture of bone marrow with FLT3 ligand. Front Immunol 2023; 14:1179981. [PMID: 38094300 PMCID: PMC10716454 DOI: 10.3389/fimmu.2023.1179981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Accepted: 11/08/2023] [Indexed: 12/18/2023] Open
Abstract
Dendritic cells (DCs) are readily generated from the culture of mouse bone marrow (BM) treated with either granulocyte macrophage-colony stimulating factor (GM-CSF) or FMS-like tyrosine kinase 3 ligand (FLT3L). CD11c+MHCII+ or CD11c+MHCIIhi cells are routinely isolated from those BM cultures and generally used as in vitro-generated DCs for a variety of experiments and therapies. Here, we examined CD11c+ cells in the BM culture with GM-CSF or FLT3L by staining with a monoclonal antibody 2A1 that is known to recognize mature or activated DCs. Most of the cells within the CD11c+MHCIIhi DC gate were 2A1+ in the BM culture with GM-CSF (GM-BM culture). In the BM culture with FLT3L (FL-BM culture), almost of all the CD11c+MHCIIhi cells were within the classical DC2 (cDC2) gate. The analysis of FL-BM culture revealed that a majority of cDC2-gated CD11c+MHCIIhi cells exhibited a 2A1-CD83-CD115+CX3CR1+ phenotype, and the others consisted of 2A1+CD83+CD115-CX3CR1- and 2A1-CD83-CD115-CX3CR1- cells. According to the antigen uptake and presentation, morphologies, and gene expression profiles, 2A1-CD83-CD115-CX3CR1- cells were immature cDC2s and 2A1+CD83+CD115-CX3CR1- cells were mature cDC2s. Unexpectedly, however, 2A1-CD83-CD115+CX3CR1+ cells, the most abundant cDC2-gated MHCIIhi cell subset in FL-BM culture, were non-DCs. Adoptive cell transfer experiments in the FL-BM culture confirmed that the cDC2-gated MHCIIhi non-DCs were precursors to cDC2s, i.e., MHCIIhi pre-cDC2s. MHCIIhi pre-cDC2s also expressed the higher level of DC-specific transcription factor Zbtb46 as similarly as immature cDC2s. Besides, MHCIIhi pre-cDC2s were generated only from pre-cDCs and common DC progenitor (CDP) cells but not from monocytes and common monocyte progenitor (cMoP) cells, verifying that MHCIIhi pre-cDC2s are close lineage to cDCs. All in all, our study identified and characterized a new cDC precursor, exhibiting a CD11c+MHCIIhiCD115+CX3CR1+ phenotype, in FL-BM culture.
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Affiliation(s)
- Hyunju In
- Laboratory of Immunology, Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
- Brain Korea 21 PLUS/FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Ji Soo Park
- Laboratory of Immunology, Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
- Brain Korea 21 PLUS/FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hyun Soo Shin
- Laboratory of Immunology, Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
- Brain Korea 21 PLUS/FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Seul Hye Ryu
- Laboratory of Immunology, Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
- Brain Korea 21 PLUS/FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
- Heart-Immune-Brain Network Research Center, Department of Life Science, Ewha Womans University, Seoul, Republic of Korea
| | - Moah Sohn
- Laboratory of Immunology, Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
- Brain Korea 21 PLUS/FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Wanho Choi
- Laboratory of Immunology, Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
- Brain Korea 21 PLUS/FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sejung Park
- Laboratory of Immunology, Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
- Brain Korea 21 PLUS/FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Soomin Hwang
- Laboratory of Immunology, Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
- Brain Korea 21 PLUS/FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jeyun Park
- Department of Dermatology, Severance Hospital, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Lihua Che
- Brain Korea 21 PLUS/FOUR Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
- Department of Dermatology, Severance Hospital, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Tae-Gyun Kim
- Department of Dermatology, Severance Hospital, Cutaneous Biology Research Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Min Kyung Chu
- Department of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hye Young Na
- Laboratory of Immunology, Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
- Department of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Chae Gyu Park
- Laboratory of Immunology, Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Republic of Korea
- Heart-Immune-Brain Network Research Center, Department of Life Science, Ewha Womans University, Seoul, Republic of Korea
- Laboratory of Dendritic Cell Immunology, The Good Capital Institute for Immunology, Seoul, Republic of Korea
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17
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Zhang Y, Wu T, He Z, Lai W, Shen X, Lv J, Wang Y, Wu L. Regulation of pDC fate determination by histone deacetylase 3. eLife 2023; 12:e80477. [PMID: 38011375 PMCID: PMC10732571 DOI: 10.7554/elife.80477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 11/22/2023] [Indexed: 11/29/2023] Open
Abstract
Dendritic cells (DCs), the key antigen-presenting cells, are primary regulators of immune responses. Transcriptional regulation of DC development had been one of the major research interests in DC biology; however, the epigenetic regulatory mechanisms during DC development remains unclear. Here, we report that Histone deacetylase 3 (Hdac3), an important epigenetic regulator, is highly expressed in pDCs, and its deficiency profoundly impaired the development of pDCs. Significant disturbance of homeostasis of hematopoietic progenitors was also observed in HDAC3-deficient mice, manifested by altered cell numbers of these progenitors and defective differentiation potentials for pDCs. Using the in vitro Flt3L supplemented DC culture system, we further demonstrated that HDAC3 was required for the differentiation of pDCs from progenitors at all developmental stages. Mechanistically, HDAC3 deficiency resulted in enhanced expression of cDC1-associated genes, owing to markedly elevated H3K27 acetylation (H3K27ac) at these gene sites in BM pDCs. In contrast, the expression of pDC-associated genes was significantly downregulated, leading to defective pDC differentiation.
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Affiliation(s)
- Yijun Zhang
- Institute for Immunology, Tsinghua-Peking Center for Life Sciences, School of Medicine, Tsinghua UniversityBeijingChina
- Beijing Key Laboratory for Immunological Research on Chronic DiseasesBeijingChina
| | - Tao Wu
- Institute for Immunology, Tsinghua-Peking Center for Life Sciences, School of Medicine, Tsinghua UniversityBeijingChina
- Beijing Key Laboratory for Immunological Research on Chronic DiseasesBeijingChina
| | - Zhimin He
- Institute for Immunology, Tsinghua-Peking Center for Life Sciences, School of Medicine, Tsinghua UniversityBeijingChina
- Beijing Key Laboratory for Immunological Research on Chronic DiseasesBeijingChina
| | - Wenlong Lai
- Institute for Immunology, Tsinghua-Peking Center for Life Sciences, School of Medicine, Tsinghua UniversityBeijingChina
- Beijing Key Laboratory for Immunological Research on Chronic DiseasesBeijingChina
| | - Xiangyi Shen
- Institute for Immunology, Tsinghua-Peking Center for Life Sciences, School of Medicine, Tsinghua UniversityBeijingChina
- Beijing Key Laboratory for Immunological Research on Chronic DiseasesBeijingChina
| | - Jiaoyan Lv
- Institute for Immunology, Tsinghua-Peking Center for Life Sciences, School of Medicine, Tsinghua UniversityBeijingChina
- Beijing Key Laboratory for Immunological Research on Chronic DiseasesBeijingChina
| | - Yuanhao Wang
- Institute for Immunology, Tsinghua-Peking Center for Life Sciences, School of Medicine, Tsinghua UniversityBeijingChina
- Beijing Key Laboratory for Immunological Research on Chronic DiseasesBeijingChina
| | - Li Wu
- Institute for Immunology, Tsinghua-Peking Center for Life Sciences, School of Medicine, Tsinghua UniversityBeijingChina
- Beijing Key Laboratory for Immunological Research on Chronic DiseasesBeijingChina
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18
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Liu P, Zhao L, Kroemer G, Kepp O. Conventional type 1 dendritic cells (cDC1) in cancer immunity. Biol Direct 2023; 18:71. [PMID: 37907944 PMCID: PMC10619282 DOI: 10.1186/s13062-023-00430-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 10/23/2023] [Indexed: 11/02/2023] Open
Abstract
Cancer immunotherapy, alone or in combination with conventional therapies, has revolutionized the landscape of antineoplastic treatments, with dendritic cells (DC) emerging as key orchestrators of anti-tumor immune responses. Among the distinct DC subsets, conventional type 1 dendritic cells (cDC1) have gained prominence due to their unique ability to cross-present antigens and activate cytotoxic T lymphocytes. This review summarizes the distinctive characteristics of cDC1, their pivotal role in anticancer immunity, and the potential applications of cDC1-based strategies in immunotherapy.
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Affiliation(s)
- Peng Liu
- Centre de Recherche des Cordeliers, Equipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Inserm U1138, Institut Universitaire de France, Sorbonne Université, 75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, 94800, Villejuif, France
| | - Liwei Zhao
- Centre de Recherche des Cordeliers, Equipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Inserm U1138, Institut Universitaire de France, Sorbonne Université, 75006, Paris, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, 94800, Villejuif, France
| | - Guido Kroemer
- Centre de Recherche des Cordeliers, Equipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Inserm U1138, Institut Universitaire de France, Sorbonne Université, 75006, Paris, France.
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, 94800, Villejuif, France.
- Department of Biology, Institut du Cancer Paris CARPEM, Hôpital Européen Georges Pompidou, AP-HP, 75015, Paris, France.
| | - Oliver Kepp
- Centre de Recherche des Cordeliers, Equipe Labellisée par la Ligue Contre le Cancer, Université de Paris Cité, Inserm U1138, Institut Universitaire de France, Sorbonne Université, 75006, Paris, France.
- Metabolomics and Cell Biology Platforms, Gustave Roussy Cancer Center, 94800, Villejuif, France.
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19
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Pittet MJ, Di Pilato M, Garris C, Mempel TR. Dendritic cells as shepherds of T cell immunity in cancer. Immunity 2023; 56:2218-2230. [PMID: 37708889 PMCID: PMC10591862 DOI: 10.1016/j.immuni.2023.08.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/03/2023] [Accepted: 08/17/2023] [Indexed: 09/16/2023]
Abstract
In cancer patients, dendritic cells (DCs) in tumor-draining lymph nodes can present antigens to naive T cells in ways that break immunological tolerance. The clonally expanded progeny of primed T cells are further regulated by DCs at tumor sites. Intratumoral DCs can both provide survival signals to and drive effector differentiation of incoming T cells, thereby locally enhancing antitumor immunity; however, the paucity of intratumoral DCs or their expression of immunoregulatory molecules often limits antitumor T cell responses. Here, we review the current understanding of DC-T cell interactions at both priming and effector sites of immune responses. We place emerging insights into DC functions in tumor immunity in the context of DC development, ontogeny, and functions in other settings and propose that DCs control at least two T cell-associated checkpoints of the cancer immunity cycle. Our understanding of both checkpoints has implications for the development of new approaches to cancer immunotherapy.
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Affiliation(s)
- Mikael J Pittet
- Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland; Ludwig Institute for Cancer Research, Lausanne, Switzerland; AGORA Cancer Center, Swiss Cancer Center Leman, Lausanne, Switzerland; Department of Oncology, Geneva University Hospitals (HUG), Geneva, Switzerland.
| | - Mauro Di Pilato
- Department of Immunology, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Christopher Garris
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA 02115, USA
| | - Thorsten R Mempel
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA, USA; Harvard Medical School, Boston, MA 02115, USA; Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Boston, MA 02129, USA.
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20
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Yang L, Li S, Chen L, Zhang Y. Emerging roles of plasmacytoid dendritic cell crosstalk in tumor immunity. Cancer Biol Med 2023; 20:j.issn.2095-3941.2023.0241. [PMID: 37817484 PMCID: PMC10618948 DOI: 10.20892/j.issn.2095-3941.2023.0241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 08/22/2023] [Indexed: 10/12/2023] Open
Abstract
Plasmacytoid dendritic cells (pDCs) are a pioneer cell type that produces type I interferon (IFN-I) and promotes antiviral immune responses. However, they are tolerogenic and, when recruited to the tumor microenvironment (TME), play complex roles that have long been a research focus. The interactions between pDCs and other components of the TME, whether direct or indirect, can either promote or hinder tumor development; consequently, pDCs are an intriguing target for therapeutic intervention. This review provides a comprehensive overview of pDC crosstalk in the TME, including crosstalk with various cell types, biochemical factors, and microorganisms. An in-depth understanding of pDC crosstalk in TME should facilitate the development of novel pDC-based therapeutic methods.
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Affiliation(s)
- Leilei Yang
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
- Department of Stomatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Songya Li
- Department of Stomatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Liuhui Chen
- Department of Stomatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Yi Zhang
- Biotherapy Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
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21
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Wang Z, Zhang J, An F, Zhang J, Meng X, Liu S, Xia R, Wang G, Yan C. The mechanism of dendritic cell-T cell crosstalk in rheumatoid arthritis. Arthritis Res Ther 2023; 25:193. [PMID: 37798668 PMCID: PMC10552435 DOI: 10.1186/s13075-023-03159-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 08/31/2023] [Indexed: 10/07/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease characterised by joint pain and swelling, synovial hyperplasia, cartilage damage, and bone destruction. The mechanisms of dendritic cell (DC) and T cell-mediated crosstalk have gradually become a focus of attention. DCs regulate the proliferation and differentiation of CD4+ T cell subtypes through different cytokines, surface molecules, and antigen presentation. DC-T cell crosstalk also blocks antigen presentation by DCs, ultimately maintaining immune tolerance. DC-T cell crosstalk mainly involves chemokines, surface molecules (TonEBP, NFATc1), the PD-L1/PD-1 signalling axis, and the TGF-β signalling axis. In addition, DC-T cell crosstalk in RA is affected by glycolysis, reactive oxygen species, vitamin D, and other factors. These factors lead to the formation of an extremely complex regulatory network involving various mechanisms. This article reviews the key immune targets of DC-T cell crosstalk and elucidates the mechanism of DC-T cell crosstalk in RA to provide a basis for the treatment of patients with RA.
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Affiliation(s)
- Zhandong Wang
- School of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, 730000, China
| | - Jinlong Zhang
- The First Clinical Medical College, Gansu University of Chinese Medicine, Lanzhou, Gansu, 730000, China
| | - Fangyu An
- Teaching Experiment Training Center, Gansu University of Chinese Medicine, Lanzhou, Gansu, 730000, China
| | - Jie Zhang
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, 730000, China
| | - Xiangrui Meng
- The First Clinical Medical College, Gansu University of Chinese Medicine, Lanzhou, Gansu, 730000, China
| | - Shiqing Liu
- School of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, 730000, China
| | - Ruoliu Xia
- The First Clinical Medical College, Gansu University of Chinese Medicine, Lanzhou, Gansu, 730000, China
| | - Gang Wang
- Rheumatism and Orthopaedics Department, Affiliated Hospital of Gansu University of Chinese Medicine, Lanzhou, Gansu, 730000, China.
| | - Chunlu Yan
- School of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu, 730000, China.
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22
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Shin S, Choi EJ, Moon SW, Lee SB, Chung YJ, Lee SH. Leprosy-specific subsets of macrophages and Schwann cells identified by single-cell RNA-sequencing. Pathol Res Pract 2023; 250:154821. [PMID: 37757621 DOI: 10.1016/j.prp.2023.154821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/10/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023]
Abstract
In Mycobacterium leprae (M. leprae)-infection, inflammatory cells' subsets and dynamics as well as the interactions with Schwann cells have remained elusive. We investigated individual cells in M. leprae-inoculated nude mice by single-cell RNA-sequencing (scRNA-seq). For macrophages, we dissected two M1-like subsets and five M2-like subsets, where lipid-associated signatures were pervasive in both M1-like and M2-like subsets. There were four macrophage trajectories showing: (i) pro-inflammatory (M1), (ii) lipid metabolism-related (M2), (iii) anti-inflammatory (M2), and (iv) interferon-stimulated gene-related (M2) fates. They displayed early divergence without ever rejoining along the paths, suggesting simultaneous or continuous stimuli for macrophage activation in leprosy. The scRNA-seq predicted Schwann cell-macrophage interactions (Notch1-Jag1, Plxnb1-Sema4d interactions). An immature Schwann cell subset showing Tfap2a expression was identified, indicating Schwann cell dedifferentiation in leprosy tissues. Expressions of Notch1, Jag1, Plxnb1, Sema4d, and Tfap2a were validated in mouse or human leprosy tissues by immunohistochemistry. We identified both pro-inflammatory and inflammation-resolution signatures, where lipid-associated signatures were pervasive to the macrophages, representing leprosy-specific macrophage states for prolonged and repeated episodes of inflammation and resolution. Our study identified refined molecular states and interactions of macrophages and Schwann cells, suggesting novel insights into the pathogenesis of unhealed inflammation with neuropathy and potential therapeutic targets for leprosy.
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Affiliation(s)
- Sun Shin
- Departments of Microbiology, College of Medicine, The Catholic University of Korea, Republic of Korea; Integrated Research Center for Genome Polymorphism, College of Medicine, The Catholic University of Korea, Republic of Korea
| | - Eun Ji Choi
- Departments of Pathology, College of Medicine, The Catholic University of Korea, Republic of Korea
| | - Seong Won Moon
- Departments of Pathology, College of Medicine, The Catholic University of Korea, Republic of Korea; Departments of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, Republic of Korea
| | - Seong-Beom Lee
- Institute of Hansen's Disease, College of Medicine, The Catholic University of Korea, Republic of Korea; Departments of Pathology, College of Medicine, The Catholic University of Korea, Republic of Korea
| | - Yeun-Jun Chung
- Departments of Microbiology, College of Medicine, The Catholic University of Korea, Republic of Korea; Integrated Research Center for Genome Polymorphism, College of Medicine, The Catholic University of Korea, Republic of Korea; Cancer Evolution Research Center, College of Medicine, The Catholic University of Korea, Republic of Korea.
| | - Sug Hyung Lee
- Departments of Pathology, College of Medicine, The Catholic University of Korea, Republic of Korea; Departments of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, Republic of Korea; Cancer Evolution Research Center, College of Medicine, The Catholic University of Korea, Republic of Korea.
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23
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Zheng Z, Chang L, Li Y, Liu K, Mu J, Zhang S, Li J, Wu Y, Zou L, Ni Q, Wan Y. Screening single-cell trajectories via continuity assessments for cell transition potential. Brief Bioinform 2023; 24:bbad356. [PMID: 37864296 PMCID: PMC10589400 DOI: 10.1093/bib/bbad356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 07/27/2023] [Accepted: 09/18/2023] [Indexed: 10/22/2023] Open
Abstract
Advances in single-cell sequencing and data analysis have made it possible to infer biological trajectories spanning heterogeneous cell populations based on transcriptome variation. These trajectories yield a wealth of novel insights into dynamic processes such as development and differentiation. However, trajectory analysis relies on an assumption of trajectory continuity, and experimental limitations preclude some real-world scenarios from meeting this condition. The current lack of assessment metrics makes it difficult to ascertain if/when a given trajectory deviates from continuity, and what impact such a divergence would have on inference accuracy is unclear. By analyzing simulated breaks introduced into in silico and real single-cell data, we found that discontinuity caused precipitous drops in the accuracy of trajectory inference. We then generate a simple scoring algorithm for assessing trajectory continuity, and found that continuity assessments in real-world cases of intestinal stem cell development and CD8 + T cells differentiation efficiently identifies trajectories consistent with empirical knowledge. This assessment approach can also be used in cases where a priori knowledge is lacking to screen a pool of inferred lineages for their adherence to presumed continuity, and serve as a means for weighing higher likelihood trajectories for validation via empirical studies, as exemplified by our case studies in psoriatic arthritis and acute kidney injury. This tool is freely available through github at qingshanni/scEGRET.
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Affiliation(s)
- Zihan Zheng
- Institute of Immunology PLA, Army Medical University, Chongqing, China
- Biomedical Analysis Center, Army Medical University, Chongqing, China
- Department of Autoimmune Disease, Chongqing International Institute for Immunology, Chongqing, Chongqing, China
| | - Ling Chang
- Institute of Immunology PLA, Army Medical University, Chongqing, China
| | - Yinong Li
- Biomedical Analysis Center, Army Medical University, Chongqing, China
| | - Kun Liu
- Biomedical Analysis Center, Army Medical University, Chongqing, China
| | - Jie Mu
- School of Big Data and Software Engineering, Chongqing University, Chongqing, China
- Biomedical Analysis Center, Army Medical University, Chongqing, China
| | - Song Zhang
- College of Life Sciences, Institute for Immunology, Nankai University, Tianjin, China
| | - Jingyi Li
- Department of Autoimmune Disease, Chongqing International Institute for Immunology, Chongqing, Chongqing, China
- Department of Rheumatology and Immunology, First Affiliated Hospital of Army Medical University, Chongqing, China
| | - Yuzhang Wu
- Institute of Immunology PLA, Army Medical University, Chongqing, China
| | - Liyun Zou
- Institute of Immunology PLA, Army Medical University, Chongqing, China
| | - Qingshan Ni
- Biomedical Analysis Center, Army Medical University, Chongqing, China
| | - Ying Wan
- Biomedical Analysis Center, Army Medical University, Chongqing, China
- School of Big Data and Software Engineering, Chongqing University, Chongqing, China
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24
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Zheng Y, Ma X, Feng S, Zhu H, Chen X, Yu X, Shu K, Zhang S. Dendritic cell vaccine of gliomas: challenges from bench to bed. Front Immunol 2023; 14:1259562. [PMID: 37781367 PMCID: PMC10536174 DOI: 10.3389/fimmu.2023.1259562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 08/28/2023] [Indexed: 10/03/2023] Open
Abstract
Gliomas account for the majority of brain malignant tumors. As the most malignant subtype of glioma, glioblastoma (GBM) is barely effectively treated by traditional therapies (surgery combined with radiochemotherapy), resulting in poor prognosis. Meanwhile, due to its "cold tumor" phenotype, GBM fails to respond to multiple immunotherapies. As its capacity to prime T cell response, dendritic cells (DCs) are essential to anti-tumor immunity. In recent years, as a therapeutic method, dendritic cell vaccine (DCV) has been immensely developed. However, there have long been obstacles that limit the use of DCV yet to be tackled. As is shown in the following review, the role of DCs in anti-tumor immunity and the inhibitory effects of tumor microenvironment (TME) on DCs are described, the previous clinical trials of DCV in the treatment of GBM are summarized, and the challenges and possible development directions of DCV are analyzed.
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Affiliation(s)
- Ye Zheng
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaoyu Ma
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shouchang Feng
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongtao Zhu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xin Chen
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xingjiang Yu
- Department of Histology and Embryology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kai Shu
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Suojun Zhang
- Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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25
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Guo X, He C, Xin S, Gao H, Wang B, Liu X, Zhang S, Gong F, Yu X, Pan L, Sun F, Xu J. Current perspective on biological properties of plasmacytoid dendritic cells and dysfunction in gut. Immun Inflamm Dis 2023; 11:e1005. [PMID: 37773693 PMCID: PMC10510335 DOI: 10.1002/iid3.1005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 08/27/2023] [Accepted: 08/30/2023] [Indexed: 10/01/2023] Open
Abstract
Plasmacytoid dendritic cells (pDCs), a subtype of DC, possess unique developmental, morphological, and functional traits that have sparked much debate over the years whether they should be categorized as DCs. The digestive system has the greatest mucosal tissue overall, and the pDC therein is responsible for shaping the adaptive and innate immunity of the gastrointestinal tract, resisting pathogen invasion through generating type I interferons, presenting antigens, and participating in immunological responses. Therefore, its alleged importance in the gut has received a lot of attention in recent years, and a fresh functional overview is still required. Here, we summarize the current understanding of mouse and human pDCs, ranging from their formation and different qualities compared with related cell types to their functional characteristics in intestinal disorders, including colon cancer, infections, autoimmune diseases, and intestinal graft-versus-host disease. The purpose of this review is to convey our insights, demonstrate the limits of existing research, and lay a theoretical foundation for the rational development and use of pDCs in future clinical practice.
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Affiliation(s)
- Xueran Guo
- Department of Clinical Medicine, Beijing An Zhen HospitalCapital Medical UniversityBeijingChina
| | - Chengwei He
- Department of Physiology and Pathophysiology, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
| | - Shuzi Xin
- Department of Physiology and Pathophysiology, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
| | - Han Gao
- Department of Physiology and Pathophysiology, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
- Department of Clinical Laboratory, Aerospace Center HospitalPeking UniversityBeijingChina
| | - Boya Wang
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing)Peking University Cancer Hospital & InstituteBeijingChina
| | - Xiaohui Liu
- Department of Physiology and Pathophysiology, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
| | - Sitian Zhang
- Department of Clinical Medicine, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
| | - Fengrong Gong
- Department of Clinical Medicine, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
| | - Xinyi Yu
- Department of Clinical Medicine, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
| | - Luming Pan
- Department of Clinical Medicine, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
| | - Fangling Sun
- Department of Laboratory Animal Research, Xuan Wu HospitalCapital Medical UniversityBeijingChina
| | - Jingdong Xu
- Department of Physiology and Pathophysiology, School of Basic Medical SciencesCapital Medical UniversityBeijingChina
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26
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Chen P, Chen J, Ye J, Yang L. Identification of an Immune-Related Gene Diagnostic Model and Potential Drugs in Sepsis Using Bioinformatics and Pharmacogenomics Approaches. Infect Drug Resist 2023; 16:5665-5680. [PMID: 37662976 PMCID: PMC10473429 DOI: 10.2147/idr.s418176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 08/17/2023] [Indexed: 09/05/2023] Open
Abstract
Purpose Sepsis is an organ dysfunction with high mortality. Early identification, diagnosis, and effective treatment of sepsis are beneficial to the survival of patients. This study aimed to find potential diagnosis and immune-related genes, and drug targets, which could provide novel diagnostic and therapeutic markers for sepsis. Patients and Methods The GSE69063, GSE154918 and GSE28750 datasets were integrated to evaluate immune infiltration and identify differentially expressed genes (DEGs) and immune-related genes. Weighted gene co-expression network analysis (WGCNA) was applied to find the hub module related to immune score and sepsis. Immune-related key genes were screened out by taking interaction of DEGs, immune-related genes, and genes in hub module. Protein-protein interaction (PPI) analysis was used to further screen immune-related hub genes, followed by construction of a diagnostic model based on immune-related hub genes. Functional analysis and drug prediction of immune-related hub genes were, respectively, performed by David software and DGIdb database, followed by expression validation by reverse transcriptase polymerase chain reaction (RT-PCR). Results Totally, 93 immune-related key genes were identified between 561 DEGs, 1793 immune-related genes and 12,459 genes in the hub module of WGCNA. Through PPI analysis, a total of 5 diagnose and immune-related hub genes were further obtained, including IL7R, IL10, CD40LG, CD28 and LCN2. Relationship pairs between these 5 genes and immune cell were identified, including LCN2/IL7R/CD28-activated dendritic cell and IL10-immature B cell. Based on pharmacogenomics, 17 candidate drugs might interact with IL 10, including CYCLOSPORINE. Six candidate drugs might interact with CD28 and 11 with CD40LG, CD40LG and CD28 were drug targets of ALDESLEUKIN. Four significantly enriched signaling pathways were identified, such as T cell receptor signaling pathway, NF-kappa B signaling pathway and JAK-STAT signaling pathway. Conclusion The 5-gene diagnostic model could be used to diagnose and guide clinical immunotherapy for sepsis.
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Affiliation(s)
- Peng Chen
- Department of Urology, General Hospital of Northern Theater Command PLA, Shenyang, People’s Republic of China
| | - Juan Chen
- Department of Oncology, General Hospital of Northern Theater Command PLA, Shenyang, People’s Republic of China
| | - Jinghe Ye
- Department of Urology, General Hospital of Northern Theater Command PLA, Shenyang, People’s Republic of China
| | - Limin Yang
- Department of Urology, General Hospital of Northern Theater Command PLA, Shenyang, People’s Republic of China
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27
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Liu Z, Wang H, Li Z, Dress RJ, Zhu Y, Zhang S, De Feo D, Kong WT, Cai P, Shin A, Piot C, Yu J, Gu Y, Zhang M, Gao C, Chen L, Wang H, Vétillard M, Guermonprez P, Kwok I, Ng LG, Chakarov S, Schlitzer A, Becher B, Dutertre CA, Su B, Ginhoux F. Dendritic cell type 3 arises from Ly6C + monocyte-dendritic cell progenitors. Immunity 2023; 56:1761-1777.e6. [PMID: 37506694 DOI: 10.1016/j.immuni.2023.07.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/22/2023] [Accepted: 07/04/2023] [Indexed: 07/30/2023]
Abstract
Conventional dendritic cells (cDCs) are professional antigen-presenting cells that control the adaptive immune response. Their subsets and developmental origins have been intensively investigated but are still not fully understood as their phenotypes, especially in the DC2 lineage and the recently described human DC3s, overlap with monocytes. Here, using LEGENDScreen to profile DC vs. monocyte lineages, we found sustained expression of FLT3 and CD45RB through the whole DC lineage, allowing DCs and their precursors to be distinguished from monocytes. Using fate mapping models, single-cell RNA sequencing and adoptive transfer, we identified a lineage of murine CD16/32+CD172a+ DC3, distinct from DC2, arising from Ly6C+ monocyte-DC progenitors (MDPs) through Lyz2+Ly6C+CD11c- pro-DC3s, whereas DC2s develop from common DC progenitors (CDPs) through CD7+Ly6C+CD11c+ pre-DC2s. Corresponding DC subsets, developmental stages, and lineages exist in humans. These findings reveal DC3 as a DC lineage phenotypically related to but developmentally different from monocytes and DC2s.
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Affiliation(s)
- Zhaoyuan Liu
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China; Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.
| | - Haiting Wang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Ziyi Li
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Regine J Dress
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648, Singapore
| | - Yiwen Zhu
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Shuangyan Zhang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Donatella De Feo
- Institute of Experimental Immunology, University of Zurich, Zurich 8057, Switzerland
| | - Wan Ting Kong
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648, Singapore; Gustave Roussy Cancer Campus, Villejuif 94800, France
| | - Peiliang Cai
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Amanda Shin
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Cécile Piot
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648, Singapore
| | - Jiangyan Yu
- Quantitative Systems Biology, Life and Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Yaqi Gu
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Mingnan Zhang
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Caixia Gao
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China; Translational Medicine Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Lei Chen
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Honglin Wang
- Translational Medicine Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Mathias Vétillard
- Université de Paris Cité, INSERM U1149, CNRS-ERL 8252, Centre de Recherche sur l'Inflammation (CRI), Paris, France
| | - Pierre Guermonprez
- Université de Paris Cité, INSERM U1149, CNRS-ERL 8252, Centre de Recherche sur l'Inflammation (CRI), Paris, France; Dendritic Cells and Adaptive Immunity Unit, Institut Pasteur, Paris, France
| | - Immanuel Kwok
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648, Singapore
| | - Lai Guan Ng
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648, Singapore
| | - Svetoslav Chakarov
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Andreas Schlitzer
- Quantitative Systems Biology, Life and Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Burkhard Becher
- Institute of Experimental Immunology, University of Zurich, Zurich 8057, Switzerland
| | - Charles-Antoine Dutertre
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648, Singapore; Gustave Roussy Cancer Campus, Villejuif 94800, France; Institut National de la Santé Et de la Recherche Médicale (INSERM) U1015, Equipe Labellisée-Ligue Nationale contre le Cancer, Villejuif, France
| | - Bing Su
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Florent Ginhoux
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China; Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648, Singapore; Gustave Roussy Cancer Campus, Villejuif 94800, France; Institut National de la Santé Et de la Recherche Médicale (INSERM) U1015, Equipe Labellisée-Ligue Nationale contre le Cancer, Villejuif, France; Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore.
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28
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Sulczewski FB, Maqueda-Alfaro RA, Alcántara-Hernández M, Perez OA, Saravanan S, Yun TJ, Seong D, Arroyo Hornero R, Raquer-McKay HM, Esteva E, Lanzar ZR, Leylek RA, Adams NM, Das A, Rahman AH, Gottfried-Blackmore A, Reizis B, Idoyaga J. Transitional dendritic cells are distinct from conventional DC2 precursors and mediate proinflammatory antiviral responses. Nat Immunol 2023; 24:1265-1280. [PMID: 37414907 PMCID: PMC10683792 DOI: 10.1038/s41590-023-01545-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 05/26/2023] [Indexed: 07/08/2023]
Abstract
High-dimensional approaches have revealed heterogeneity amongst dendritic cells (DCs), including a population of transitional DCs (tDCs) in mice and humans. However, the origin and relationship of tDCs to other DC subsets has been unclear. Here we show that tDCs are distinct from other well-characterized DCs and conventional DC precursors (pre-cDCs). We demonstrate that tDCs originate from bone marrow progenitors shared with plasmacytoid DCs (pDCs). In the periphery, tDCs contribute to the pool of ESAM+ type 2 DCs (DC2s), and these DC2s have pDC-related developmental features. Different from pre-cDCs, tDCs have less turnover, capture antigen, respond to stimuli and activate antigen-specific naïve T cells, all characteristics of differentiated DCs. Different from pDCs, viral sensing by tDCs results in IL-1β secretion and fatal immune pathology in a murine coronavirus model. Our findings suggest that tDCs are a distinct pDC-related subset with a DC2 differentiation potential and unique proinflammatory function during viral infections.
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Affiliation(s)
- Fernando Bandeira Sulczewski
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Immunology Program, Stanford University School of Medicine, Stanford, CA, USA
| | - Raul A Maqueda-Alfaro
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Immunology Program, Stanford University School of Medicine, Stanford, CA, USA
| | - Marcela Alcántara-Hernández
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Immunology Program, Stanford University School of Medicine, Stanford, CA, USA
| | - Oriana A Perez
- Department of Pathology, New York University Grossman School of Medicine, New York, NY, USA
| | - Sanjana Saravanan
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Immunology Program, Stanford University School of Medicine, Stanford, CA, USA
| | - Tae Jin Yun
- Department of Pathology, New York University Grossman School of Medicine, New York, NY, USA
| | - David Seong
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Immunology Program, Stanford University School of Medicine, Stanford, CA, USA
- Medical Scientist Training Program, Stanford University School of Medicine, Stanford, CA, USA
| | - Rebeca Arroyo Hornero
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Immunology Program, Stanford University School of Medicine, Stanford, CA, USA
| | - Hayley M Raquer-McKay
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Immunology Program, Stanford University School of Medicine, Stanford, CA, USA
| | - Eduardo Esteva
- Department of Pathology, New York University Grossman School of Medicine, New York, NY, USA
| | - Zachary R Lanzar
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Immunology Program, Stanford University School of Medicine, Stanford, CA, USA
| | - Rebecca A Leylek
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Immunology Program, Stanford University School of Medicine, Stanford, CA, USA
| | - Nicholas M Adams
- Department of Pathology, New York University Grossman School of Medicine, New York, NY, USA
| | - Annesa Das
- Department of Pathology, New York University Grossman School of Medicine, New York, NY, USA
| | - Adeeb H Rahman
- Marc and Jennifer Lipschultz Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- The Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Human Immune Monitoring Center, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Andres Gottfried-Blackmore
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA
- Immunology Program, Stanford University School of Medicine, Stanford, CA, USA
- Division of Gastroenterology and Hepatology, Department of Medicine, Stanford University School of Medicine, Redwood City, CA, USA
| | - Boris Reizis
- Department of Pathology, New York University Grossman School of Medicine, New York, NY, USA.
| | - Juliana Idoyaga
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, CA, USA.
- Immunology Program, Stanford University School of Medicine, Stanford, CA, USA.
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29
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Xue O, Curry CV, Fang H, Bueso‐Ramos CE, Medeiros LJ, Wang W. Monocytic and blastic plasmacytoid dendritic cell differentiation in acute leukemia with KMT2A rearrangement. EJHAEM 2023; 4:837-840. [PMID: 37601865 PMCID: PMC10435717 DOI: 10.1002/jha2.753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/21/2023] [Accepted: 06/25/2023] [Indexed: 08/22/2023]
Abstract
Acute leukemia with KMT2A rearrangement shows a spectrum of immunophenotypic presentation, but blastic plasmacytoid dendritic cell differentiation is extremely rare. Here we present a case of KMT2A rearranged acute leukemia with a hybrid immunophenotype in which a single blast population showed both blastic plasmacytoid dendritic cell and monocytic differentiation. This unusual case contributes to the diversity of the immunophenotypic spectrum in KMT2A rearranged acute leukemia and also sheds light on the cell of origin of plasmacytoid dendritic cells.
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Affiliation(s)
- Owen Xue
- Department of HematopathologyThe University of Texas MD Anderson Cancer CenterHoustonTexasUSA
| | - Choladda V. Curry
- Department of PathologyBaylor College of Medicine and Texas Children's HospitalHoustonTexasUSA
| | - Hong Fang
- Department of HematopathologyThe University of Texas MD Anderson Cancer CenterHoustonTexasUSA
| | - Carlos E. Bueso‐Ramos
- Department of HematopathologyThe University of Texas MD Anderson Cancer CenterHoustonTexasUSA
| | - L. Jeffrey Medeiros
- Department of HematopathologyThe University of Texas MD Anderson Cancer CenterHoustonTexasUSA
| | - Wei Wang
- Department of HematopathologyThe University of Texas MD Anderson Cancer CenterHoustonTexasUSA
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30
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Zhang S, Audiger C, Chopin M, Nutt SL. Transcriptional regulation of dendritic cell development and function. Front Immunol 2023; 14:1182553. [PMID: 37520521 PMCID: PMC10382230 DOI: 10.3389/fimmu.2023.1182553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 06/28/2023] [Indexed: 08/01/2023] Open
Abstract
Dendritic cells (DCs) are sentinel immune cells that form a critical bridge linking the innate and adaptive immune systems. Extensive research addressing the cellular origin and heterogeneity of the DC network has revealed the essential role played by the spatiotemporal activity of key transcription factors. In response to environmental signals DC mature but it is only following the sensing of environmental signals that DC can induce an antigen specific T cell response. Thus, whilst the coordinate action of transcription factors governs DC differentiation, sensing of environmental signals by DC is instrumental in shaping their functional properties. In this review, we provide an overview that focuses on recent advances in understanding the transcriptional networks that regulate the development of the reported DC subsets, shedding light on the function of different DC subsets. Specifically, we discuss the emerging knowledge on the heterogeneity of cDC2s, the ontogeny of pDCs, and the newly described DC subset, DC3. Additionally, we examine critical transcription factors such as IRF8, PU.1, and E2-2 and their regulatory mechanisms and downstream targets. We highlight the complex interplay between these transcription factors, which shape the DC transcriptome and influence their function in response to environmental stimuli. The information presented in this review provides essential insights into the regulation of DC development and function, which might have implications for developing novel therapeutic strategies for immune-related diseases.
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Affiliation(s)
- Shengbo Zhang
- Immunology Division, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Cindy Audiger
- Immunology Division, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Michaël Chopin
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
| | - Stephen L. Nutt
- Immunology Division, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
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31
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Arroyo Hornero R, Idoyaga J. Plasmacytoid dendritic cells: A dendritic cell in disguise. Mol Immunol 2023; 159:38-45. [PMID: 37269733 PMCID: PMC10625168 DOI: 10.1016/j.molimm.2023.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 05/20/2023] [Indexed: 06/05/2023]
Abstract
Since their discovery, the identity of plasmacytoid dendritic cells (pDCs) has been at the center of a continuous dispute in the field, and their classification as dendritic cells (DCs) has been recently re-challenged. pDCs are different enough from the rest of the DC family members to be considered a lineage of cells on their own. Unlike the exclusive myeloid ontogeny of cDCs, pDCs may have dual origin developing from myeloid and lymphoid progenitors. Moreover, pDCs have the unique ability to quickly secrete abundant levels of type I interferon (IFN-I) in response to viral infections. In addition, pDCs undergo a differentiation process after pathogen recognition that allows them to activate T cells, a feature that has been shown to be independent of presumed contaminating cells. Here, we aim to provide an overview of the historic and current understanding of pDCs and argue that their classification as either lymphoid or myeloid may be an oversimplification. Instead, we propose that the capacity of pDCs to link the innate and adaptive immune response by directly sensing pathogens and activating adaptive immune responses justify their inclusion within the DC network.
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Affiliation(s)
- Rebeca Arroyo Hornero
- Microbiology & Immunology Department, and Immunology Program, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Juliana Idoyaga
- Microbiology & Immunology Department, and Immunology Program, Stanford University School of Medicine, Stanford, CA 94305, USA.
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32
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Conarroe CA, Bullock TNJ. Ready for Prime Time? Dendritic Cells in High-Grade Gliomas. Cancers (Basel) 2023; 15:2902. [PMID: 37296865 PMCID: PMC10251930 DOI: 10.3390/cancers15112902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 05/18/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
High-grade gliomas are malignant brain tumors, and patient outcomes remain dismal despite the emergence of immunotherapies aimed at promoting tumor elimination by the immune system. A robust antitumor immune response requires the presentation of tumor antigens by dendritic cells (DC) to prime cytolytic T cells. However, there is a paucity of research on dendritic cell activity in the context of high-grade gliomas. As such, this review covers what is known about the role of DC in the CNS, DC infiltration of high-grade gliomas, tumor antigen drainage, the immunogenicity of DC activity, and DC subsets involved in the antitumor immune response. Finally, we consider the implications of suboptimal DC function in the context of immunotherapies and identify opportunities to optimize immunotherapies to treat high-grade gliomas.
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Affiliation(s)
- Claire A. Conarroe
- Department of Pathology, School of Medicine, University of Virginia, Charlottesville, VA 22903, USA;
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33
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Park HY, Ashayeripanah M, Chopin M. Harnessing dendritic cell diversity in cancer immunotherapy. Curr Opin Immunol 2023; 82:102341. [PMID: 37236040 DOI: 10.1016/j.coi.2023.102341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 04/23/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023]
Abstract
Dendritic cells (DCs) are ubiquitous immune cells endowed with a unique capacity to initiate antigen-specific immunity and tolerance. Owing to their unique functional attributes, DCs have long been considered ideal candidates for the induction of effective antitumour responses. At the forefront of the cancer-immunity cycle, attempts to harness DC natural adjuvant properties in the clinic have resulted so far in suboptimal antitumour responses. A better understanding of the heterogeneity of the DC network and its dynamics within the tumour microenvironment will provide a blueprint to fully capitalise on their functional properties to achieve more effective antitumour responses. In this review, we will briefly summarise the origin and heterogeneity of the DC network, their roles in shaping antitumour immunity and in modulating the response to immune checkpoint blockade therapies.
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Affiliation(s)
- Hae-Young Park
- Department of Biochemistry, Monash Biomedicine Discovery Institute, Monash University, 15 Innovation Walk, Clayton, VIC 3800, Australia
| | - Mitra Ashayeripanah
- Department of Biochemistry, Monash Biomedicine Discovery Institute, Monash University, 15 Innovation Walk, Clayton, VIC 3800, Australia
| | - Michaël Chopin
- Department of Biochemistry, Monash Biomedicine Discovery Institute, Monash University, 15 Innovation Walk, Clayton, VIC 3800, Australia.
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34
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Ziegler-Heitbrock L, Ohteki T, Ginhoux F, Shortman K, Spits H. Reply to 'Reclassification of plasmacytoid dendritic cells as innate lymphocytes is premature'. Nat Rev Immunol 2023; 23:338-339. [PMID: 36959480 DOI: 10.1038/s41577-023-00866-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/25/2023]
Affiliation(s)
| | - Toshiaki Ohteki
- Department of Biodefense Research, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Florent Ginhoux
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Ken Shortman
- The Walter and Eliza Hall Institute, Melbourne, Australia
| | - Hergen Spits
- Department of Experimental Immunology, UMC, University of Amsterdam, Amsterdam, The Netherlands
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35
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Tussiwand R. Plasmacytoid dendritic cells turn red! Nat Immunol 2023; 24:563-564. [PMID: 36959295 DOI: 10.1038/s41590-023-01472-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/25/2023]
Affiliation(s)
- Roxane Tussiwand
- National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA.
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36
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Valente M, Collinet N, Vu Manh TP, Popoff D, Rahmani K, Naciri K, Bessou G, Rua R, Gil L, Mionnet C, Milpied P, Tomasello E, Dalod M. Novel mouse models based on intersectional genetics to identify and characterize plasmacytoid dendritic cells. Nat Immunol 2023; 24:714-728. [PMID: 36928414 PMCID: PMC10063451 DOI: 10.1038/s41590-023-01454-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 02/03/2023] [Indexed: 03/18/2023]
Abstract
Plasmacytoid dendritic cells (pDCs) are the main source of type I interferon (IFN-I) during viral infections. Their other functions are debated, due to a lack of tools to identify and target them in vivo without affecting pDC-like cells and transitional DCs (tDCs), which harbor overlapping phenotypes and transcriptomes but a higher efficacy for T cell activation. In the present report, we present a reporter mouse, pDC-Tom, designed through intersectional genetics based on unique Siglech and Pacsin1 coexpression in pDCs. The pDC-Tom mice specifically tagged pDCs and, on breeding with Zbtb46GFP mice, enabled transcriptomic profiling of all splenic DC types, unraveling diverging activation of pDC-like cells versus tDCs during a viral infection. The pDC-Tom mice also revealed initially similar but later divergent microanatomical relocation of splenic IFN+ versus IFN- pDCs during infection. The mouse models and specific gene modules we report here will be useful to delineate the physiological functions of pDCs versus other DC types.
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Affiliation(s)
- Michael Valente
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France.
- Veracyte, Luminy biotech entreprises, Marseille, France.
| | - Nils Collinet
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Thien-Phong Vu Manh
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Dimitri Popoff
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Khalissa Rahmani
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Karima Naciri
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Gilles Bessou
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Rejane Rua
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Laurine Gil
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Cyrille Mionnet
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Pierre Milpied
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Elena Tomasello
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France.
| | - Marc Dalod
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France.
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37
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Rodrigues PF, Kouklas A, Cvijetic G, Bouladoux N, Mitrovic M, Desai JV, Lima-Junior DS, Lionakis MS, Belkaid Y, Ivanek R, Tussiwand R. pDC-like cells are pre-DC2 and require KLF4 to control homeostatic CD4 T cells. Sci Immunol 2023; 8:eadd4132. [PMID: 36827419 PMCID: PMC10165717 DOI: 10.1126/sciimmunol.add4132] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 02/02/2023] [Indexed: 02/26/2023]
Abstract
Plasmacytoid dendritic cells (pDCs) have been shown to play an important role during immune responses, ranging from initial viral control through the production of type I interferons to antigen presentation. However, recent studies uncovered unexpected heterogeneity among pDCs. We identified a previously uncharacterized immune subset, referred to as pDC-like cells, that not only resembles pDCs but also shares conventional DC (cDC) features. We show that this subset is a circulating precursor distinct from common DC progenitors, with prominent cDC2 potential. Our findings from human CD2-iCre and CD300c-iCre lineage tracing mouse models suggest that a substantial fraction of cDC2s originates from pDC-like cells, which can therefore be referred to as pre-DC2. This precursor subset responds to homeostatic cytokines, such as macrophage colony stimulating factor, by expanding and differentiating into cDC2 that efficiently prime T helper 17 (TH17) cells. Development of pre-DC2 into CX3CR1+ ESAM- cDC2b but not CX3CR1- ESAM+ cDC2a requires the transcription factor KLF4. Last, we show that, under homeostatic conditions, this developmental pathway regulates the immune threshold at barrier sites by controlling the pool of TH17 cells within skin-draining lymph nodes.
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Affiliation(s)
| | | | - Grozdan Cvijetic
- Department of Biomedicine, University of Basel, 4058 Basel, Switzerland
- National Institute of Dental and Craniofacial Research (NIDCR), NIH, Bethesda, MD 20892, USA
| | - Nicolas Bouladoux
- Metaorganism Immunity Section, Laboratory of Host Microbiome and Immunity, National Institute of Allergy and Infectious Diseases (NIAID), National Institute of Health (NIH), Bethesda, MD 20892, USA
| | - Mladen Mitrovic
- Department of Biomedicine, University of Basel, 4058 Basel, Switzerland
- National Institute of Dental and Craniofacial Research (NIDCR), NIH, Bethesda, MD 20892, USA
| | - Jigar V Desai
- Fungal Pathogenesis Section, Laboratory of Clinical Immunology & Microbiology, NIAID, NIH, Bethesda, MD 20892, USA
| | - Djalma S Lima-Junior
- Metaorganism Immunity Section, Laboratory of Host Microbiome and Immunity, National Institute of Allergy and Infectious Diseases (NIAID), National Institute of Health (NIH), Bethesda, MD 20892, USA
| | - Michail S. Lionakis
- Fungal Pathogenesis Section, Laboratory of Clinical Immunology & Microbiology, NIAID, NIH, Bethesda, MD 20892, USA
| | - Yasmine Belkaid
- National Institute of Dental and Craniofacial Research (NIDCR), NIH, Bethesda, MD 20892, USA
| | - Robert Ivanek
- Department of Biomedicine, University of Basel, 4058 Basel, Switzerland
- Swiss Institute of Bioinformatics, 4058 Basel, Switzerland
| | - Roxane Tussiwand
- National Institute of Dental and Craniofacial Research (NIDCR), NIH, Bethesda, MD 20892, USA
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38
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Molecular Mechanisms Behind the Role of Plasmacytoid Dendritic Cells in Systemic Sclerosis. BIOLOGY 2023; 12:biology12020285. [PMID: 36829561 PMCID: PMC9953616 DOI: 10.3390/biology12020285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/04/2023] [Accepted: 02/07/2023] [Indexed: 02/15/2023]
Abstract
Systemic sclerosis (SSc) is a debilitating autoimmune disease that affects multiple systems. It is characterized by immunological deregulation, functional and structural abnormalities of small blood vessels, and fibrosis of the skin, and, in some cases, internal organs. Fibrosis has a devastating impact on a patient's life and lung fibrosis is associated with high morbimortality. Several immune populations contribute to the progression of SSc, and plasmacytoid dendritic cells (pDCs) have been identified as crucial mediators of fibrosis. Research on murine models of lung and skin fibrosis has shown that pDCs are essential in the development of fibrosis, and that removing pDCs improves fibrosis. pDCs are a subset of dendritic cells (DCs) that are specialized in anti-viral responses and are also involved in autoimmune diseases, such as SSc, systemic lupus erythematosus (SLE) and psoriasis, mostly due to their capacity to produce type I interferon (IFN). A type I IFN signature and high levels of CXCL4, both derived from pDCs, have been associated with poor prognosis in patients with SSc and are correlated with fibrosis. This review will examine the recent research on the molecular mechanisms through which pDCs impact SSc.
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39
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Patel TP, Levine JA, Elizondo DM, Arner BE, Jain A, Saxena A, Lopez-Ocasio M, Dagur PK, Famuyiwa O, Gupta S, Sarrafan-Chaharsoughi Z, Biancotto A, McCoy JP, Demidowich AP, Yanovski JA. Immunomodulatory effects of colchicine on peripheral blood mononuclear cell subpopulations in human obesity: Data from a randomized controlled trial. Obesity (Silver Spring) 2023; 31:466-478. [PMID: 36628649 PMCID: PMC9877161 DOI: 10.1002/oby.23632] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 01/12/2023]
Abstract
OBJECTIVE Colchicine is known to reduce inflammation and improve endothelial cell function and atherosclerosis in obesity, but there is little knowledge of the specific circulating leukocyte populations that are modulated by colchicine. METHODS A secondary analysis of a double-blind randomized controlled trial of colchicine 0.6 mg or placebo twice daily for 3 months on circulating leukocyte populations and regulation of the immune secretome in 35 adults with obesity was performed. RESULTS Colchicine altered multiple innate immune cell populations, including dendritic cells and lymphoid progenitor cells, monocytes, and natural killer cells when compared with placebo. Among all subjects and within the colchicine group, changes in natural killer cells were significantly positively associated with reductions in biomarkers of inflammation, including cyclooxygenase 2, pulmonary surfactant-associated protein D, myeloperoxidase, proteinase 3, interleukin-16, and resistin. Changes in dendritic cells were positively correlated with changes in serum heart-type fatty acid-binding protein concentrations. Additionally, colchicine treatment reduced cluster of differentiation (CD) CD4+ T effector cells and CD8+ T cytotoxic cells. Conversely, colchicine increased CD4+ and CD8+ T central memory cells and activated CD38High CD8+ T cells. Changes in CD4+ T effector cells were associated with changes in serum heart-type fatty acid-binding protein. CONCLUSIONS In adults with obesity, colchicine significantly affects circulating leukocyte populations involved in both innate and adaptive immune systems along with the associated inflammatory secretome.
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Affiliation(s)
- Tushar P. Patel
- Section on Growth and Obesity, Division of Intramural Research (DIR), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Jordan A. Levine
- Section on Growth and Obesity, Division of Intramural Research (DIR), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Diana M. Elizondo
- Section on Growth and Obesity, Division of Intramural Research (DIR), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Brooke E. Arner
- Section on Growth and Obesity, Division of Intramural Research (DIR), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Arad Jain
- Section on Growth and Obesity, Division of Intramural Research (DIR), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Ankit Saxena
- Flow Cytometry Core, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Maria Lopez-Ocasio
- Flow Cytometry Core, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Pradeep K. Dagur
- Flow Cytometry Core, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Olufisola Famuyiwa
- Section on Growth and Obesity, Division of Intramural Research (DIR), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Suryaa Gupta
- Section on Growth and Obesity, Division of Intramural Research (DIR), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Zahra Sarrafan-Chaharsoughi
- Section on Growth and Obesity, Division of Intramural Research (DIR), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Angelique Biancotto
- Center for Human Immunology, National Institute of Allergy and Infectious Diseases (NIAID), NIH, Bethesda, M, USA
| | - J. Philip McCoy
- Flow Cytometry Core, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Andrew P. Demidowich
- Section on Growth and Obesity, Division of Intramural Research (DIR), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
- Johns Hopkins Community Physicians at Howard County General Hospital, Johns Hopkins Medicine, Columbia, MD, USA
| | - Jack A. Yanovski
- Section on Growth and Obesity, Division of Intramural Research (DIR), Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD, USA
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Single-cell sortChIC identifies hierarchical chromatin dynamics during hematopoiesis. Nat Genet 2023; 55:333-345. [PMID: 36539617 PMCID: PMC9925381 DOI: 10.1038/s41588-022-01260-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 11/01/2022] [Indexed: 12/24/2022]
Abstract
Post-translational histone modifications modulate chromatin activity to affect gene expression. How chromatin states underlie lineage choice in single cells is relatively unexplored. We develop sort-assisted single-cell chromatin immunocleavage (sortChIC) and map active (H3K4me1 and H3K4me3) and repressive (H3K27me3 and H3K9me3) histone modifications in the mouse bone marrow. During differentiation, hematopoietic stem and progenitor cells (HSPCs) acquire active chromatin states mediated by cell-type-specifying transcription factors, which are unique for each lineage. By contrast, most alterations in repressive marks during differentiation occur independent of the final cell type. Chromatin trajectory analysis shows that lineage choice at the chromatin level occurs at the progenitor stage. Joint profiling of H3K4me1 and H3K9me3 demonstrates that cell types within the myeloid lineage have distinct active chromatin but share similar myeloid-specific heterochromatin states. This implies a hierarchical regulation of chromatin during hematopoiesis: heterochromatin dynamics distinguish differentiation trajectories and lineages, while euchromatin dynamics reflect cell types within lineages.
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Chakraborty B, Byemerwa J, Krebs T, Lim F, Chang CY, McDonnell DP. Estrogen Receptor Signaling in the Immune System. Endocr Rev 2023; 44:117-141. [PMID: 35709009 DOI: 10.1210/endrev/bnac017] [Citation(s) in RCA: 38] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Indexed: 01/14/2023]
Abstract
The immune system functions in a sexually dimorphic manner, with females exhibiting more robust immune responses than males. However, how female sex hormones affect immune function in normal homeostasis and in autoimmunity is poorly understood. In this review, we discuss how estrogens affect innate and adaptive immune cell activity and how dysregulation of estrogen signaling underlies the pathobiology of some autoimmune diseases and cancers. The potential roles of the major circulating estrogens, and each of the 3 estrogen receptors (ERα, ERβ, and G-protein coupled receptor) in the regulation of the activity of different immune cells are considered. This provides the framework for a discussion of the impact of ER modulators (aromatase inhibitors, selective estrogen receptor modulators, and selective estrogen receptor downregulators) on immunity. Synthesis of this information is timely given the considerable interest of late in defining the mechanistic basis of sex-biased responses/outcomes in patients with different cancers treated with immune checkpoint blockade. It will also be instructive with respect to the further development of ER modulators that modulate immunity in a therapeutically useful manner.
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Affiliation(s)
- Binita Chakraborty
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Jovita Byemerwa
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Taylor Krebs
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA.,Known Medicine, Salt Lake City, UT 84108, USA
| | - Felicia Lim
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Ching-Yi Chang
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Donald P McDonnell
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
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42
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Xiao Q, Xia Y. Insights into dendritic cell maturation during infection with application of advanced imaging techniques. Front Cell Infect Microbiol 2023; 13:1140765. [PMID: 36936763 PMCID: PMC10018208 DOI: 10.3389/fcimb.2023.1140765] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 02/10/2023] [Indexed: 03/06/2023] Open
Abstract
Dendritic cells (DCs) are crucial for the initiation and regulation of adaptive immune responses. When encountering immune stimulus such as bacterial and viral infection, parasite invasion and dead cell debris, DCs capture antigens, mature, acquire immunostimulatory activity and transmit the immune information to naïve T cells. Then activated cytotoxic CD8+ T cells directly kill the infected cells, while CD4+ T helper cells release cytokines to aid the activity of other immune cells, and help B cells produce antibodies. Thus, detailed insights into the DC maturation process are necessary for us to understand the working principle of immune system, and develop new medical treatments for infection, cancer and autoimmune disease. This review summarizes the DC maturation process, including environment sensing and antigen sampling by resting DCs, antigen processing and presentation on the cell surface, DC migration, DC-T cell interaction and T cell activation. Application of advanced imaging modalities allows visualization of subcellular and molecular processes in a super-high resolution. The spatiotemporal tracking of DCs position and migration reveals dynamics of DC behavior during infection, shedding novel lights on DC biology.
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Affiliation(s)
- Qi Xiao
- Genetic Engineering Research Center, School of Life Sciences, Chongqing University, Chongqing, China
- Chongqing Engineering Research Center for Fungal Insecticide, Chongqing, China
- Key Laboratory of Gene Function and Regulation Technologies Under Chongqing Municipal Education Commission, Chongqing, China
- *Correspondence: Qi Xiao,
| | - Yuxian Xia
- Genetic Engineering Research Center, School of Life Sciences, Chongqing University, Chongqing, China
- Chongqing Engineering Research Center for Fungal Insecticide, Chongqing, China
- Key Laboratory of Gene Function and Regulation Technologies Under Chongqing Municipal Education Commission, Chongqing, China
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43
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Ziegler-Heitbrock L, Ohteki T, Ginhoux F, Shortman K, Spits H. Reclassifying plasmacytoid dendritic cells as innate lymphocytes. Nat Rev Immunol 2023; 23:1-2. [PMID: 36380022 DOI: 10.1038/s41577-022-00806-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
| | - Toshiaki Ohteki
- Department of Biodefense Research, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Florent Ginhoux
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), Singapore, Republic of Singapore
| | - Ken Shortman
- The Walter and Eliza Hall Institute, Melbourne, Australia
| | - Hergen Spits
- Department of Experimental Immunology, UMC, University of Amsterdam, Amsterdam, The Netherlands
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44
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Duluc D, Sisirak V. Origin, Phenotype, and Function of Mouse Dendritic Cell Subsets. Methods Mol Biol 2023; 2618:3-16. [PMID: 36905505 DOI: 10.1007/978-1-0716-2938-3_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
Dendritic cells are cells of hematopoietic origin that are specialized in antigen presentation and instruction of innate and adaptive immune responses. They are a heterogenous group of cells populating lymphoid organs and most tissues. Dendritic cells are commonly separated in three main subsets that differ in their developmental paths, phenotype, and functions. Most studies on dendritic cells were done primarily in mice; therefore, in this chapter, we propose to summarize the current knowledge and recent progress on mouse dendritic cell subsets' development, phenotype, and functions.
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Affiliation(s)
- Dorothée Duluc
- Université de Bordeaux, CNRS, ImmunoConcEpT, UMR 5164, Bordeaux, France.
| | - Vanja Sisirak
- UMR CNRS 5164 - Immunoconcept, Université de Bordeaux, Bordeaux, France.
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Shu S, Fu M, Chen X, Zhang N, Zhao R, Chang Y, Cui H, Liu Z, Wang X, Hua X, Li Y, Wang X, Wang X, Feng W, Song J. Cellular Landscapes of Nondiseased Human Cardiac Valves From End-Stage Heart Failure-Explanted Heart. Arterioscler Thromb Vasc Biol 2022; 42:1429-1446. [PMID: 36200446 DOI: 10.1161/atvbaha.122.318314] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Exploring the mechanisms of valvular heart disease at the cellular level may be useful to identify new therapeutic targets; however, the comprehensive cellular landscape of nondiseased human cardiac valve leaflets remains unclear. METHODS The cellular landscapes of nondiseased human cardiac valve leaflets (5 aortic valves, 5 pulmonary valves, 5 tricuspid valves, and 3 mitral valves) from end-stage heart failure patients undergoing heart transplantation were explored using single-cell RNA sequencing. Bioinformatics was used to identify the cell types, describe the cell functions, and investigate cellular developmental trajectories and interactions. Differences among the 4 types of cardiac valves at the cellular level were summarized. Pathological staining was performed to validate the key findings of single-cell RNA sequencing. An integrative analysis of our single-cell data and published genome-wide association study-based and bulk RNA sequencing-based data provided insights into the cell-specific contributions to calcific aortic valve diseases. RESULTS Six cell types were identified among 128 412 cells from nondiseased human cardiac valve leaflets. Valvular interstitial cells were the largest population, followed by myeloid cells, lymphocytes, valvular endothelial cells, mast cells, and myofibroblasts. The 4 types of cardiac valve had distinct cellular compositions. The intercellular communication analysis revealed that valvular interstitial cells were at the center of the communication network. The integrative analysis of our single-cell RNA sequencing data revealed key cellular subpopulations involved in the pathogenesis of calcific aortic valve diseases. CONCLUSIONS The cellular landscape differed among the 4 types of nondiseased cardiac valve, which might explain their differences in susceptibility to pathological remodeling and valvular heart disease.
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Affiliation(s)
- Songren Shu
- State Key Laboratory of Cardiovascular Disease (S.S., M.F., X.C., N.Z., R.Z., Y.C., H.C., Z.L., Xiaohu Wang, X.H., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,The Cardiomyopathy Research Group (S.S., M.F., X.C., Y.C., H.C., Z.L., X.H., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Mengxia Fu
- State Key Laboratory of Cardiovascular Disease (S.S., M.F., X.C., N.Z., R.Z., Y.C., H.C., Z.L., Xiaohu Wang, X.H., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,The Cardiomyopathy Research Group (S.S., M.F., X.C., Y.C., H.C., Z.L., X.H., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiao Chen
- State Key Laboratory of Cardiovascular Disease (S.S., M.F., X.C., N.Z., R.Z., Y.C., H.C., Z.L., Xiaohu Wang, X.H., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,The Cardiomyopathy Research Group (S.S., M.F., X.C., Y.C., H.C., Z.L., X.H., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ningning Zhang
- State Key Laboratory of Cardiovascular Disease (S.S., M.F., X.C., N.Z., R.Z., Y.C., H.C., Z.L., Xiaohu Wang, X.H., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ruojin Zhao
- State Key Laboratory of Cardiovascular Disease (S.S., M.F., X.C., N.Z., R.Z., Y.C., H.C., Z.L., Xiaohu Wang, X.H., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuan Chang
- State Key Laboratory of Cardiovascular Disease (S.S., M.F., X.C., N.Z., R.Z., Y.C., H.C., Z.L., Xiaohu Wang, X.H., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,The Cardiomyopathy Research Group (S.S., M.F., X.C., Y.C., H.C., Z.L., X.H., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hao Cui
- State Key Laboratory of Cardiovascular Disease (S.S., M.F., X.C., N.Z., R.Z., Y.C., H.C., Z.L., Xiaohu Wang, X.H., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,The Cardiomyopathy Research Group (S.S., M.F., X.C., Y.C., H.C., Z.L., X.H., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zirui Liu
- State Key Laboratory of Cardiovascular Disease (S.S., M.F., X.C., N.Z., R.Z., Y.C., H.C., Z.L., Xiaohu Wang, X.H., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,The Cardiomyopathy Research Group (S.S., M.F., X.C., Y.C., H.C., Z.L., X.H., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiaohu Wang
- State Key Laboratory of Cardiovascular Disease (S.S., M.F., X.C., N.Z., R.Z., Y.C., H.C., Z.L., Xiaohu Wang, X.H., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiumeng Hua
- State Key Laboratory of Cardiovascular Disease (S.S., M.F., X.C., N.Z., R.Z., Y.C., H.C., Z.L., Xiaohu Wang, X.H., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,The Cardiomyopathy Research Group (S.S., M.F., X.C., Y.C., H.C., Z.L., X.H., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yuan Li
- Department of Cardiovascular Surgery (Y.L., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xin Wang
- State Key Laboratory of Cardiovascular Disease (S.S., M.F., X.C., N.Z., R.Z., Y.C., H.C., Z.L., Xiaohu Wang, X.H., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,Department of Cardiovascular Surgery (Y.L., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xianqiang Wang
- State Key Laboratory of Cardiovascular Disease (S.S., M.F., X.C., N.Z., R.Z., Y.C., H.C., Z.L., Xiaohu Wang, X.H., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,Department of Cardiovascular Surgery (Y.L., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wei Feng
- State Key Laboratory of Cardiovascular Disease (S.S., M.F., X.C., N.Z., R.Z., Y.C., H.C., Z.L., Xiaohu Wang, X.H., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,Department of Cardiovascular Surgery (Y.L., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jiangping Song
- State Key Laboratory of Cardiovascular Disease (S.S., M.F., X.C., N.Z., R.Z., Y.C., H.C., Z.L., Xiaohu Wang, X.H., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,The Cardiomyopathy Research Group (S.S., M.F., X.C., Y.C., H.C., Z.L., X.H., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,Department of Cardiovascular Surgery (Y.L., Xin Wang, Xianqiang Wang, W.F., J.S.), Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,Shenzhen Key Laboratory of Cardiovascular Disease, Fuwai Hospital Chinese Academy of Medical Sciences, Shenzhen' China (J.S.)
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Wang Y, Yang T, Liang H, Deng M. Cell atlas of the immune microenvironment in gastrointestinal cancers: Dendritic cells and beyond. Front Immunol 2022; 13:1007823. [PMID: 36505406 PMCID: PMC9729272 DOI: 10.3389/fimmu.2022.1007823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 10/25/2022] [Indexed: 11/25/2022] Open
Abstract
Gastrointestinal (GI) cancers occur in the alimentary tract and accessory organs. They exert a global burden with high morbidity and mortality. Inside the tumor microenvironment, dendritic cells (DCs) are the most efficient antigen-presenting cells and are necessary for adaptive immune responses such as T and B-cell maturation. However, the subsets of DCs revealed before were mostly based on flow cytometry and bulk sequencing. With the development of single-cell RNA sequencing (scRNA-seq), the tumor and microenvironment heterogeneity of GI cancer has been illustrated. In this review, we summarize the classification and development trajectory of dendritic cells at the single-cell level in GI cancer. Additionally, we focused on the interaction of DCs with T cells and their effect on the response to immunotherapy. Specifically, we focused on the newly identified tumor-infiltrating dendritic cells and discuss their potential function in antitumor immunity.
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Affiliation(s)
- Yinuo Wang
- Peking University International Cancer Institute, Peking University Health Science Center, Peking University, Beijing, China,School of Basic Medical Sciences, Peking University Health Science Center, Peking University, Beijing, China
| | - Ting Yang
- Peking University International Cancer Institute, Peking University Health Science Center, Peking University, Beijing, China,School of Basic Medical Sciences, Peking University Health Science Center, Peking University, Beijing, China
| | - Huan Liang
- School of Basic Medical Sciences, Peking University Health Science Center, Peking University, Beijing, China
| | - Mi Deng
- Peking University International Cancer Institute, Peking University Health Science Center, Peking University, Beijing, China,School of Basic Medical Sciences, Peking University Health Science Center, Peking University, Beijing, China,Peking University Cancer Hospital and Institute, Peking University Health Science Center, Peking University, Beijing, China,*Correspondence: Mi Deng,
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Fu C, Ma T, Zhou L, Mi QS, Jiang A. Dendritic Cell-Based Vaccines Against Cancer: Challenges, Advances and Future Opportunities. Immunol Invest 2022; 51:2133-2158. [PMID: 35946383 DOI: 10.1080/08820139.2022.2109486] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
As the most potent professional antigen presenting cells, dendritic cells (DCs) have the ability to activate both naive CD4 and CD8 T cells. Recognized for their exceptional ability to cross-present exogenous antigens to prime naive antigen-specific CD8 T cells, DCs play a critical role in generating CD8 T cell immunity, as well as mediating CD8 T cell tolerance to tumor antigens. Despite the ability to potentiate host CD8 T cell-mediated anti-tumor immunity, current DC-based cancer vaccines have not yet achieved the promised success clinically with the exception of FDA-approved Provenge. Interestingly, recent studies have shown that type 1 conventional DCs (cDC1s) play a critical role in cross-priming tumor-specific CD8 T cells and determining the anti-tumor efficacy of cancer immunotherapies including immune checkpoint blockade (ICB). Together with promising clinical results in neoantigen-based cancer vaccines, there is a great need for DC-based vaccines to be further developed and refined either as monotherapies or in combination with other immunotherapies. In this review, we will present a brief review of DC development and function, discuss recent progress, and provide a perspective on future directions to realize the promising potential of DC-based cancer vaccines.
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Affiliation(s)
- Chunmei Fu
- Center for Cutaneous Biology and Immunology, Department of Dermatology, Henry Ford Health System, Detroit, Michigan, USA
| | - Tianle Ma
- Department of Computer Science and Engineering, School of Engineering and Computer Science, Oakland University, Rochester, Michigan, USA
| | - Li Zhou
- Center for Cutaneous Biology and Immunology, Department of Dermatology, Henry Ford Health System, Detroit, Michigan, USA
| | - Qing-Sheng Mi
- Center for Cutaneous Biology and Immunology, Department of Dermatology, Henry Ford Health System, Detroit, Michigan, USA
| | - Aimin Jiang
- Center for Cutaneous Biology and Immunology, Department of Dermatology, Henry Ford Health System, Detroit, Michigan, USA
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48
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Metabolic guidance and stress in tumors modulate antigen-presenting cells. Oncogenesis 2022; 11:62. [PMID: 36244976 PMCID: PMC9573874 DOI: 10.1038/s41389-022-00438-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 09/02/2022] [Accepted: 09/30/2022] [Indexed: 11/08/2022] Open
Abstract
Successful antitumor immunity largely relies on efficient T cell priming by antigen-presenting cells (APCs); however, the capacity of APCs is found to be defective in many cancers. Metabolically reprogrammed cancer cells support the energetic and biosynthetic demands of their high proliferation rates by exploiting nutrients available in the tumor microenvironment (TME), which in turn limits proper metabolic reprogramming of APCs during recruitment, differentiation, activation and antigen presentation. Furthermore, some metabolites generated by the TME are unfavorable to antitumor immunity. This review summarizes recent studies on the metabolic features of APCs and their functionality in the TME. Particularly, we will describe how APCs respond to altered TME and how metabolic byproducts from cancer and immunomodulatory cells affect APCs. Finally, we introduce the current status of APC-oriented research and clinical trials targeting metabolic features to boost efficient immunotherapy.
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Plasmacytoid Dendritic Cells as a Novel Cell-Based Cancer Immunotherapy. Int J Mol Sci 2022; 23:ijms231911397. [PMID: 36232698 PMCID: PMC9570010 DOI: 10.3390/ijms231911397] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/21/2022] [Accepted: 09/22/2022] [Indexed: 12/15/2022] Open
Abstract
Plasmacytoid dendritic cells (pDCs) are multifaceted immune cells with a wide range of innate and adaptive immunological functions. They constitute the first line of defence against multiple viral infections and have also been reported to actively participate in antitumor immune responses. The clinical implication of the presence of pDCs in the tumor microenvironment (TME) is still ambiguous, but it is clear that pDCs possess the ability to modulate tumor-specific T cell responses and direct cytotoxic functions. Therapeutic strategies designed to exploit these qualities of pDCs to boost tumor-specific immune responses could represent an attractive alternative compared to conventional therapeutic approaches in the future, and promising antitumor effects have already been reported in phase I/II clinical trials. Here, we review the many roles of pDCs in cancer and present current advances in developing pDC-based immunotherapeutic approaches for treating cancer.
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Kerdidani D, Papaioannou NE, Nakou E, Alissafi T. Rebooting Regulatory T Cell and Dendritic Cell Function in Immune-Mediated Inflammatory Diseases: Biomarker and Therapy Discovery under a Multi-Omics Lens. Biomedicines 2022; 10:biomedicines10092140. [PMID: 36140240 PMCID: PMC9495698 DOI: 10.3390/biomedicines10092140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/29/2022] [Accepted: 08/29/2022] [Indexed: 12/24/2022] Open
Abstract
Immune-mediated inflammatory diseases (IMIDs) are a group of autoimmune and chronic inflammatory disorders with constantly increasing prevalence in the modern world. The vast majority of IMIDs develop as a consequence of complex mechanisms dependent on genetic, epigenetic, molecular, cellular, and environmental elements, that lead to defects in immune regulatory guardians of tolerance, such as dendritic (DCs) and regulatory T (Tregs) cells. As a result of this dysfunction, immune tolerance collapses and pathogenesis emerges. Deeper understanding of such disease driving mechanisms remains a major challenge for the prevention of inflammatory disorders. The recent renaissance in high throughput technologies has enabled the increase in the amount of data collected through multiple omics layers, while additionally narrowing the resolution down to the single cell level. In light of the aforementioned, this review focuses on DCs and Tregs and discusses how multi-omics approaches can be harnessed to create robust cell-based IMID biomarkers in hope of leading to more efficient and patient-tailored therapeutic interventions.
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Affiliation(s)
- Dimitra Kerdidani
- Immune Regulation Laboratory, Center of Basic Research, Biomedical Research Foundation Academy of Athens, 11527 Athens, Greece
- Laboratory of Biology, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
| | - Nikos E. Papaioannou
- Immune Regulation Laboratory, Center of Basic Research, Biomedical Research Foundation Academy of Athens, 11527 Athens, Greece
- Laboratory of Biology, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
| | - Evangelia Nakou
- Immune Regulation Laboratory, Center of Basic Research, Biomedical Research Foundation Academy of Athens, 11527 Athens, Greece
- Laboratory of Biology, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
| | - Themis Alissafi
- Immune Regulation Laboratory, Center of Basic Research, Biomedical Research Foundation Academy of Athens, 11527 Athens, Greece
- Laboratory of Biology, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
- Correspondence:
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