1
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Ghosh S, Dutta R, Ghatak D, Goswami D, De R. Immunometabolic characteristics of Dendritic Cells and its significant modulation by mitochondria-associated signaling in the tumor microenvironment influence cancer progression. Biochem Biophys Res Commun 2024; 726:150268. [PMID: 38909531 DOI: 10.1016/j.bbrc.2024.150268] [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: 04/22/2024] [Revised: 05/27/2024] [Accepted: 06/14/2024] [Indexed: 06/25/2024]
Abstract
Dendritic cells (DCs) mediated T-cell responses is critical to anti-tumor immunity. This study explores immunometabolic attributes of DC, emphasizing on mitochondrial association, in Tumor Microenvironment (TME) that regulate cancer progression. Conventional DC subtypes cross-present tumor-associated antigens to activate lymphocytes. However, plasmacytoid DCs participate in both pro- and anti-tumor signaling where mitochondrial reactive oxygen species (mtROS) play crucial role. CTLA-4, CD-47 and other surface-receptors of DC negatively regulates T-cell. Increased glycolysis-mediated mitochondrial citrate buildup and translocation to cytosol with augmented NADPH, enhances mitochondrial fatty acid synthesis fueling DCs. Different DC subtypes and stages, exhibit variable mitochondrial content, membrane potential, structural dynamics and bioenergetic metabolism regulated by various cytokine stimulation, e.g., GM-CSF, IL-4, etc. CD8α+ cDC1s augmented oxidative phosphorylation (OXPHOS) which diminishes at advance effector stages. Glutaminolysis in mitochondria supplement energy in DCs but production of kynurenine and other oncometabolites leads to immunosuppression. Mitochondria-associated DAMPs cause activation of cGAS-STING pathway and inflammasome oligomerization stimulating DC and T cells. In this study, through a comprehensive survey and critical analysis of the latest literature, the potential of DC metabolism for more effective tumor therapy is highlighted. This underscores the need for future research to explore specific therapeutic targets and potential drug candidates.
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Affiliation(s)
- Sayak Ghosh
- Amity Institute of Biotechnology, Amity University Kolkata, Plot No: 36, 37 & 38, Major Arterial Road, Action Area II, Kadampukur Village, Newtown, Kolkata, 700135, West Bengal, India
| | - Rittick Dutta
- Swami Vivekananda University, Kolkata, 700121, West Bengal, India
| | - Debapriya Ghatak
- Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700032, West Bengal, India
| | - Devyani Goswami
- Amity Institute of Biotechnology, Amity University Kolkata, Plot No: 36, 37 & 38, Major Arterial Road, Action Area II, Kadampukur Village, Newtown, Kolkata, 700135, West Bengal, India
| | - Rudranil De
- Amity Institute of Biotechnology, Amity University Kolkata, Plot No: 36, 37 & 38, Major Arterial Road, Action Area II, Kadampukur Village, Newtown, Kolkata, 700135, West Bengal, India.
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2
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Kabir AU, Zeng C, Subramanian M, Wu J, Kim M, Krchma K, Wang X, Halabi CM, Pan H, Wickline SA, Fremont DH, Artyomov MN, Choi K. ZBTB46 coordinates angiogenesis and immunity to control tumor outcome. Nat Immunol 2024; 25:1546-1554. [PMID: 39134750 DOI: 10.1038/s41590-024-01936-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 07/16/2024] [Indexed: 09/01/2024]
Abstract
Tumor angiogenesis and immunity show an inverse correlation in cancer progression and outcome1. Here, we report that ZBTB46, a repressive transcription factor and a widely accepted marker for classical dendritic cells (DCs)2,3, controls both tumor angiogenesis and immunity. Zbtb46 was downregulated in both DCs and endothelial cells by tumor-derived factors to facilitate robust tumor growth. Zbtb46 downregulation led to a hallmark pro-tumor microenvironment (TME), including dysfunctional vasculature and immunosuppressive conditions. Analysis of human cancer data revealed a similar association of low ZBTB46 expression with an immunosuppressive TME and a worse prognosis. In contrast, enforced Zbtb46 expression led to TME changes to restrict tumor growth. Mechanistically, Zbtb46-deficient endothelial cells were highly angiogenic, and Zbtb46-deficient bone marrow progenitors upregulated Cebpb and diverted the DC program to immunosuppressive myeloid lineage output, potentially explaining the myeloid lineage skewing phenomenon in cancer4. Conversely, enforced Zbtb46 expression normalized tumor vessels and, by suppressing Cebpb, skewed bone marrow precursors toward immunostimulatory myeloid lineage output, leading to an immune-hot TME. Remarkably, Zbtb46 mRNA treatment synergized with anti-PD1 immunotherapy to improve tumor management in preclinical models. These findings identify ZBTB46 as a critical factor for angiogenesis and for myeloid lineage skewing in cancer and suggest that maintaining its expression could have therapeutic benefits.
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Affiliation(s)
- Ashraf Ul Kabir
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Carisa Zeng
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Madhav Subramanian
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Jun Wu
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Minseo Kim
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Karen Krchma
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Xiaoli Wang
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Carmen M Halabi
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA
| | - Hua Pan
- Department of Medicine, Washington University School of Medicine, St. Louis, MO, USA
| | - Samuel A Wickline
- Health Heart Institute, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Daved H Fremont
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Maxim N Artyomov
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Kyunghee Choi
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA.
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3
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Yuan Z, Shu L, Fu J, Yang P, Wang Y, Sun J, Zheng M, Liu Z, Yang J, Song J, Song S, Cai Z. Single-Cell RNA Sequencing Deconstructs the Distribution of Immune Cells Within Abdominal Aortic Aneurysms in Mice. Arterioscler Thromb Vasc Biol 2024; 44:1986-2003. [PMID: 39051127 DOI: 10.1161/atvbaha.124.321129] [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: 04/20/2024] [Accepted: 07/15/2024] [Indexed: 07/27/2024]
Abstract
BACKGROUND Inflammation is a key component in the development of abdominal aortic aneurysm (AAA), yet insights into the roles of immune cells and their interactions in this process are limited. METHODS Using single-cell RNA transcriptomic analysis, we deconstructed the CD45+ cell population in elastase-induced murine AAA at the single-cell level. We isolated each group of immune cells from murine AAA tissue at different time points and divided them into several subtypes, listed the remarkable differentially expressed genes, explored the developmental trajectories of immune cells, and demonstrated the interactions among them. RESULTS Our findings reveal significant differences in several immune cell subsets, including macrophages, dendritic cells, and T cells, within the AAA microenvironment compared with the normal aorta. Especially, conventional dendritic cell type 1 exclusively existed in the AAA tissue rather than the normal aortas. Via CellChat analysis, we identified several intercellular communication pathways like visfatin, which targets monocyte differentiation and neutrophil extracellular trap-mediated interaction between neutrophils and dendritic cells, which might contribute to AAA development. Some of these pathways were validated in human AAA. CONCLUSIONS Despite the absence of external pathogenic stimuli, AAA tissues develop a complex inflammatory microenvironment involving numerous immune cells. In-depth studies of the inflammatory network shall provide new strategies for patients with AAA.
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MESH Headings
- Aortic Aneurysm, Abdominal/immunology
- Aortic Aneurysm, Abdominal/genetics
- Aortic Aneurysm, Abdominal/chemically induced
- Aortic Aneurysm, Abdominal/pathology
- Aortic Aneurysm, Abdominal/metabolism
- Animals
- Single-Cell Analysis
- Disease Models, Animal
- Mice, Inbred C57BL
- Aorta, Abdominal/pathology
- Aorta, Abdominal/metabolism
- Aorta, Abdominal/immunology
- Mice
- Dendritic Cells/immunology
- Dendritic Cells/metabolism
- Humans
- Macrophages/metabolism
- Macrophages/immunology
- Male
- Transcriptome
- RNA-Seq
- T-Lymphocytes/immunology
- T-Lymphocytes/metabolism
- Gene Expression Profiling/methods
- Pancreatic Elastase
- Cell Communication
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Affiliation(s)
- Zhen Yuan
- Departments of Cardiology (Z.Y., L.S., Y.W., Z.C.), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- State Key Laboratory of Transvascular Implantation Devices, China (Z.Y., L.S., Y.W., Z.C.)
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (Z.Y., L.S., Y.W., Z.C.)
| | - Li Shu
- Departments of Cardiology (Z.Y., L.S., Y.W., Z.C.), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- State Key Laboratory of Transvascular Implantation Devices, China (Z.Y., L.S., Y.W., Z.C.)
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (Z.Y., L.S., Y.W., Z.C.)
| | - Jiantao Fu
- Institute of Hepatology and Metabolic Diseases, Hangzhou Normal University, China (J.F., P.Y., J.Y.)
| | - Peipei Yang
- Institute of Hepatology and Metabolic Diseases, Hangzhou Normal University, China (J.F., P.Y., J.Y.)
| | - Yidong Wang
- Departments of Cardiology (Z.Y., L.S., Y.W., Z.C.), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- State Key Laboratory of Transvascular Implantation Devices, China (Z.Y., L.S., Y.W., Z.C.)
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (Z.Y., L.S., Y.W., Z.C.)
| | - Jie Sun
- Pathology (J. Sun, M.Z.), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Mengsha Zheng
- Pathology (J. Sun, M.Z.), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhenjie Liu
- Vascular Surgery (Z.L.), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jin Yang
- Institute of Hepatology and Metabolic Diseases, Hangzhou Normal University, China (J.F., P.Y., J.Y.)
| | - Jiangping Song
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, China (J. Song, S.S.)
| | - Shen Song
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, China (J. Song, S.S.)
| | - Zhejun Cai
- Departments of Cardiology (Z.Y., L.S., Y.W., Z.C.), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- State Key Laboratory of Transvascular Implantation Devices, China (Z.Y., L.S., Y.W., Z.C.)
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (Z.Y., L.S., Y.W., Z.C.)
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4
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Guzylack-Piriou L, Gausseres B, Tasca C, Hassel C, Tabouret G, Foucras G. A loss of function mutation in SOCS2 results in increased inflammatory response of macrophages to TLR ligands and Staphylococcus aureus. Front Immunol 2024; 15:1397330. [PMID: 39185412 PMCID: PMC11341364 DOI: 10.3389/fimmu.2024.1397330] [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: 03/07/2024] [Accepted: 07/19/2024] [Indexed: 08/27/2024] Open
Abstract
Introduction The role of suppressor of cytokine signaling (SOCS)2 in anti-infective bacterial immunity has been poorly investigated compared to other members of the SOCS family. Methods We characterized the previously identified loss of function R96C point mutation of SOCS2 using a genome-edited mouse model that resumes the phenotype of Socs2 knockout mice. The response of macrophages to TLR-ligands and Staphylococcus aureus was examined. Results and discussion Conversely to previously published data using human monocyte-derived macrophages, the stimulation of bone-marrow-derived macrophages with various TLR ligands did not show any difference according to the SOCS2 variant. Upregulation of IL-6 and TNF-α pro-inflammatory cytokines production was only seen when the SOCS2 expression was promoted by the culture of macrophages in the presence of GM-CSF. Furthermore, we showed that the SOCS2 point mutation is associated with heightened STAT5 phosphorylation in a short time frame upon GM-CSF incubation. In mice, recruitment of neutrophil and F4/80int Ly6C+ inflammatory macrophage, as well as IFN-γ and IL-10 concentrations, are significantly increased upon S. aureus peritoneal infection. Altogether, these data support the idea that by lowering the pro-inflammatory environment, SOCS2 favors better control of bacterial burden during a systemic infection caused by S. aureus.
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5
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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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6
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Mishra B, Ivashkiv LB. Interferons and epigenetic mechanisms in training, priming and tolerance of monocytes and hematopoietic progenitors. Immunol Rev 2024; 323:257-275. [PMID: 38567833 PMCID: PMC11102283 DOI: 10.1111/imr.13330] [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: 01/27/2024] [Accepted: 03/11/2024] [Indexed: 05/18/2024]
Abstract
Training and priming of innate immune cells involve preconditioning by PAMPs, DAMPs, and/or cytokines that elicits stronger induction of inflammatory genes upon secondary challenge. Previous models distinguish training and priming based upon whether immune activation returns to baseline prior to secondary challenge. Tolerance is a protective mechanism whereby potent stimuli induce refractoriness to secondary challenge. Training and priming are important for innate memory responses that protect against infection, efficacy of vaccines, and maintaining innate immune cells in a state of readiness; tolerance prevents toxicity from excessive immune activation. Dysregulation of these processes can contribute to pathogenesis of autoimmune/inflammatory conditions, post-COVID-19 hyperinflammatory states, or sepsis-associated immunoparalysis. Training, priming, and tolerance regulate similar "signature" inflammatory genes such as TNF, IL6, and IL1B and utilize overlapping epigenetic mechanisms. We review how interferons (IFNs), best known for activating JAK-STAT signaling and interferon-stimulated genes, also play a key role in regulating training, priming, and tolerance via chromatin-mediated mechanisms. We present new data on how monocyte-to-macrophage differentiation modulates IFN-γ-mediated priming, affects regulation of AP-1 and CEBP activity, and attenuates superinduction of inflammatory genes. We present a "training-priming continuum" model that integrates IFN-mediated priming into current concepts about training and tolerance and proposes a central role for STAT1 and IRF1.
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Affiliation(s)
- Bikash Mishra
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, New York, USA
- Immunology and Microbial Pathogenesis Program, Weill Cornell Medicine, New York, New York, USA
| | - Lionel B Ivashkiv
- HSS Research Institute and David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, New York, USA
- Immunology and Microbial Pathogenesis Program, Weill Cornell Medicine, New York, New York, USA
- Department of Medicine, Weill Cornell Medicine, New York, New York, USA
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7
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Badillo O, Helfridsson L, Niemi J, Hellström M. Exploring dendritic cell subtypes in cancer immunotherapy: unraveling the role of mature regulatory dendritic cells. Ups J Med Sci 2024; 129:10627. [PMID: 38716077 PMCID: PMC11075441 DOI: 10.48101/ujms.v129.10627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/18/2024] [Accepted: 04/05/2024] [Indexed: 05/24/2024] Open
Abstract
Dendritic cells (DCs) possess a specialized function in presenting antigens and play pivotal roles in both innate and adaptive immune responses. Their ability to cross-present antigens from tumor cells to naïve T cells is instrumental in generating specific T-cell-mediated antitumor responses, crucial for controlling tumor growth and preventing tumor cell dissemination. However, within a tumor immune microenvironment (TIME), the functions of DCs can be significantly compromised. This review focuses on the profile, function, and activation of DCs, leveraging recent studies that reveal insights into their phenotype acquisition, transcriptional state, and functional programs through single-cell RNA sequence (scRNA-seq) analysis. Additionally, the therapeutic potential of DC-mediated tumor antigen sensing in priming antitumor immunity is discussed.
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Affiliation(s)
- Oscar Badillo
- Department of Immunology, Genetics and Pathology, The Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Liam Helfridsson
- Department of Immunology, Genetics and Pathology, The Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Jenni Niemi
- Department of Immunology, Genetics and Pathology, The Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
| | - Mats Hellström
- Department of Immunology, Genetics and Pathology, The Rudbeck Laboratory, Uppsala University, Uppsala, Sweden
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8
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Ascierto PA, Casula M, Bulgarelli J, Pisano M, Piccinini C, Piccin L, Cossu A, Mandalà M, Ferrucci PF, Guidoboni M, Rutkowski P, Ferraresi V, Arance A, Guida M, Maiello E, Gogas H, Richtig E, Fierro MT, Lebbe C, Helgadottir H, Queirolo P, Spagnolo F, Tucci M, Del Vecchio M, Cao MG, Minisini AM, De Placido S, Sanmamed MF, Mallardo D, Paone M, Vitale MG, Melero I, Grimaldi AM, Giannarelli D, Dummer R, Sileni VC, Palmieri G. Sequential immunotherapy and targeted therapy for metastatic BRAF V600 mutated melanoma: 4-year survival and biomarkers evaluation from the phase II SECOMBIT trial. Nat Commun 2024; 15:146. [PMID: 38167503 PMCID: PMC10761671 DOI: 10.1038/s41467-023-44475-6] [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: 05/15/2023] [Accepted: 12/14/2023] [Indexed: 01/05/2024] Open
Abstract
No prospective data were available prior to 2021 to inform selection between combination BRAF and MEK inhibition versus dual blockade of programmed cell death protein-1 (PD-1) and cytotoxic T lymphocyte antigen-4 (CTLA-4) as first-line treatment options for BRAFV600-mutant melanoma. SECOMBIT (NCT02631447) was a randomized, three-arm, noncomparative phase II trial in which patients were randomized to one of two sequences with immunotherapy or targeted therapy first, with a third arm in which an 8-week induction course of targeted therapy followed by a planned switch to immunotherapy was the first treatment. BRAF/MEK inhibitors were encorafenib plus binimetinib and checkpoint inhibitors ipilimumab plus nivolumab. Primary outcome of overall survival was previously reported, demonstrating improved survival with immunotherapy administered until progression and followed by BRAF/MEK inhibition. Here we report 4-year survival outcomes, confirming long-term benefit with first-line immunotherapy. We also describe preliminary results of predefined biomarkers analyses that identify a trend toward improved 4-year overall survival and total progression-free survival in patients with loss-of-function mutations affecting JAK or low baseline levels of serum interferon gamma (IFNy). These long-term survival outcomes confirm immunotherapy as the preferred first-line treatment approach for most patients with BRAFV600-mutant metastatic melanoma, and the biomarker analyses are hypothesis-generating for future investigations of predictors of durable benefit with dual checkpoint blockade and targeted therapy.
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Affiliation(s)
- Paolo A Ascierto
- Department of Melanoma, Cancer Immunotherapy and Development Therapeutics. I.N.T. IRCCS Fondazione "G. Pascale", Napoli, Italy.
| | - Milena Casula
- Immuno-Oncology & Targeted Cancer Biotherapies, University of Sassari - Unit of Cancer Genetics, IRGB-CNR, 07100, Sassari, Italy
| | - Jenny Bulgarelli
- Immunotherapy, Cell Therapy Unit and Biobank Unit, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori", Meldola, Italy
| | - Marina Pisano
- Immuno-Oncology & Targeted Cancer Biotherapies, University of Sassari - Unit of Cancer Genetics, IRGB-CNR, 07100, Sassari, Italy
| | - Claudia Piccinini
- Immunotherapy, Cell Therapy Unit and Biobank Unit, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori", Meldola, Italy
| | - Luisa Piccin
- Melanoma Oncology Unit, Veneto Institute of Oncology IOV-IRCCS, Padova, Italy
| | - Antonio Cossu
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Sassari, Italy
| | - Mario Mandalà
- University of Perugia, Perugia, Italy
- Department of Oncology and Haematology, Papa Giovanni XXIII Cancer Center Hospital, Bergamo, Italy
| | - Pier Francesco Ferrucci
- Biotherapy of Tumors Unit, Department of Experimental Oncology, European Institute of Oncology, IRCCS, Milan, Italy
| | - Massimo Guidoboni
- Immunotherapy, Cell Therapy Unit and Biobank Unit, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori", Meldola, Italy
| | - Piotr Rutkowski
- Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska Curie National Research Institute of Oncology, 02-781 -, Warsaw, Poland
| | - Virginia Ferraresi
- Department of Medical Oncology 1, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Ana Arance
- Department of Medical Oncology, Hospital Clínic Barcelona, 08036, Barcelona, Spain
| | - Michele Guida
- Rare Tumors and Melanoma Unit, IRCCS Istituto dei Tumori "Giovanni Paolo II", Bari, Italy
| | - Evaristo Maiello
- Oncology Unit, Foundation IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
| | - Helen Gogas
- First Department of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Erika Richtig
- Department of Dermatology, Medical University of Graz, Graz, Austria
| | - Maria Teresa Fierro
- Department of Medical Sciences, Dermatologic Clinic, University of Turin, Turin, Italy
| | - Celeste Lebbe
- Dermato-Oncology and CIC AP-HP Hôpital Saint Louis,Cancer Institute APHP. Nord-Université Paris Cite F-75010, Paris, INSERM U976, France
| | - Hildur Helgadottir
- Department of Oncology-Pathology, Karolinska Institutet and Karolinska University Hospital Solna, Stockholm, Sweden
| | - Paola Queirolo
- Skin Cancer Unit, IRCCS Ospedale Policlinico San Martino, Genova, Italy
- Division of melanoma Sarcoma and Rare Tumors, IRCCS European Institute of Oncology, Milan, Italy
| | | | - Marco Tucci
- Department of Interdisciplinary Medicine, Oncology Unit, University of Bari "Aldo Moro", Bari, Italy
| | - Michele Del Vecchio
- Unit of Melanoma Medical Oncology, Department of Medical Oncology and Hematology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Maria Gonzales Cao
- Department of Medical Oncology, University Hospital Dexeus, Barcelona, Spain
| | | | - Sabino De Placido
- Department of Clinical Medicine and Surgery, University of Naples "Federico II", Naples, Italy
| | - Miguel F Sanmamed
- Department of Interdisciplinary Medicine, Oncology Unit, University of Bari "Aldo Moro", Bari, Italy
| | - Domenico Mallardo
- Department of Melanoma, Cancer Immunotherapy and Development Therapeutics. I.N.T. IRCCS Fondazione "G. Pascale", Napoli, Italy
| | - Miriam Paone
- Department of Melanoma, Cancer Immunotherapy and Development Therapeutics. I.N.T. IRCCS Fondazione "G. Pascale", Napoli, Italy
| | - Maria Grazia Vitale
- Department of Melanoma, Cancer Immunotherapy and Development Therapeutics. I.N.T. IRCCS Fondazione "G. Pascale", Napoli, Italy
| | - Ignacio Melero
- Department of Immunology and Oncology, Clínica Universidad de Navarra, Pamplona, Spain
| | - Antonio M Grimaldi
- Department of Melanoma, Cancer Immunotherapy and Development Therapeutics. I.N.T. IRCCS Fondazione "G. Pascale", Napoli, Italy
- Medical Oncology Unit, AORN San Pio, Benevento, Italy
| | - Diana Giannarelli
- Fondazione Policlinico Universitario A. Gemelli, IRCCS - Facility of Epidemiology and Biostatistics, Rome, Italy
| | - Reinhard Dummer
- Department of Dermatology, University and University Hospital Zurich, Zurich, Switzerland
| | | | - Giuseppe Palmieri
- Immuno-Oncology & Targeted Cancer Biotherapies, University of Sassari - Unit of Cancer Genetics, IRGB-CNR, 07100, Sassari, Italy
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9
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Feng F, Li Z, Xie Q, Song W. Phenotypic and functional differences of dendritic cells in tumor. J Cancer Res Ther 2023; 19:1509-1516. [PMID: 38156916 DOI: 10.4103/jcrt.jcrt_2383_23] [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: 11/02/2023] [Accepted: 11/20/2023] [Indexed: 01/03/2024]
Abstract
Dendritic cells (DCs) are a unique class of immune cells vital to the immune system, functioning as antigen-presenting cells that play a key role in launching both cellular and humoral immune responses. They are crucial in preventing infectious diseases and regulating tumor growth. DCs can be categorized based on various criteria such as phenotype, function, and tissue location, resulting in several subgroups. Generally, DCs are divided into two primary groups: plasmacytoid DCs (pDCs) and conventional DCs (cDCs), which are further classified into Type I classical DCs (cDC1) and Type II classical DCs (cDC2). cDC1 cells are distinguishable by specific gene programs and associated markers, while cDC2 cells display more diversity. Moreover, there is an ongoing debate surrounding a recently identified subgroup called DC3, and whether it can be considered a distinct cell type in the maturation process of DCs remains uncertain. Most of these DC subgroups rely on the growth factor Fms-like tyrosine kinase 3 ligand (FLT3L) for differentiation from a common DC precursor (CDP), guided by various cytokines. Although the general classification of DC subgroups is similar in both humans and mice, numerous phenotypic and functional variations exist within each subgroup. Therefore, comprehending these differences between DC subgroups in humans and mice holds the potential to significantly advance relevant research.
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Affiliation(s)
- Fengtian Feng
- Department of Oncology, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Shandong Lung Cancer Institute, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Zhen Li
- School of Preventive Medicine Sciences, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Qi Xie
- Department of Oncology, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Shandong Lung Cancer Institute, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - Wengang Song
- Department of Oncology, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Shandong Lung Cancer Institute, The First Affiliated Hospital of Shandong First Medical University and Shandong Provincial Qianfoshan Hospital, Jinan, China
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10
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Remley VA, Linden J, Bauer TW, Dimastromatteo J. Unlocking antitumor immunity with adenosine receptor blockers. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2023; 6:748-767. [PMID: 38263981 PMCID: PMC10804392 DOI: 10.20517/cdr.2023.63] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 10/06/2023] [Accepted: 10/16/2023] [Indexed: 01/25/2024]
Abstract
Tumors survive by creating a tumor microenvironment (TME) that suppresses antitumor immunity. The TME suppresses the immune system by limiting antigen presentation, inhibiting lymphocyte and natural killer (NK) cell activation, and facilitating T cell exhaustion. Checkpoint inhibitors like anti-PD-1 and anti-CTLA4 are immunostimulatory antibodies, and their blockade extends the survival of some but not all cancer patients. Extracellular adenosine triphosphate (ATP) is abundant in inflamed tumors, and its metabolite, adenosine (ADO), is a driver of immunosuppression mediated by adenosine A2A receptors (A2AR) and adenosine A2B receptors (A2BR) found on tumor-associated lymphoid and myeloid cells. This review will focus on adenosine as a key checkpoint inhibitor-like immunosuppressive player in the TME and how reducing adenosine production or blocking A2AR and A2BR enhances antitumor immunity.
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Affiliation(s)
- Victoria A. Remley
- Department of Surgery, University of Virginia, Charlottesville, VA 22903, USA
- University of Virginia Comprehensive Cancer Center, Charlottesville, VA 22903, USA
| | | | - Todd W. Bauer
- Department of Surgery, University of Virginia, Charlottesville, VA 22903, USA
- University of Virginia Comprehensive Cancer Center, Charlottesville, VA 22903, USA
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11
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Sudholz H, Delconte RB, Huntington ND. Interleukin-15 cytokine checkpoints in natural killer cell anti-tumor immunity. Curr Opin Immunol 2023; 84:102364. [PMID: 37451129 DOI: 10.1016/j.coi.2023.102364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/08/2023] [Accepted: 06/09/2023] [Indexed: 07/18/2023]
Abstract
Over recent years, the use of immune checkpoint inhibitors (ICI) has progressed to first and second-line treatments in several cancer types, transforming patient outcomes. While these treatments target T cell checkpoints, such as PD-1, LAG3 and CTLA-4, their efficacy can be compromised through adaptive resistance whereby tumors acquire mutations in genes regulating neoantigen presentation by MHC-I [93]. ICI-responsive tumor types such as advanced metastatic melanoma typically have a high mutational burden and immune infiltration; however, most patients still do not benefit from ICI monotherapy for a number of reasons [94]. This highlights the need for novel immunotherapy strategies that evoke the immune control of tumor cells with low neoantigen/MHC-I expression, overcome immune suppressive tumor microenvironments and promote tumor inflammation. In this regard, targeting natural killer (NK) cells may offer a solution to some of these bottlenecks.
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Affiliation(s)
- Harrison Sudholz
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Rebecca B Delconte
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York 10065, USA
| | - Nicholas D Huntington
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia; oNKo-Innate Pty Ltd, Moonee Ponds, Victoria 3039, Australia.
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12
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Wong CW, Evangelou C, Sefton KN, Leshem R, Zhang W, Gopalan V, Chattrakarn S, Fernandez Carro ML, Uzuner E, Mole H, Wilcock DJ, Smith MP, Sergiou K, Telfer BA, Isaac DT, Liu C, Perl NR, Marie K, Lorigan P, Williams KJ, Rao PE, Nagaraju RT, Niepel M, Hurlstone AFL. PARP14 inhibition restores PD-1 immune checkpoint inhibitor response following IFNγ-driven acquired resistance in preclinical cancer models. Nat Commun 2023; 14:5983. [PMID: 37752135 PMCID: PMC10522711 DOI: 10.1038/s41467-023-41737-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 09/18/2023] [Indexed: 09/28/2023] Open
Abstract
Resistance mechanisms to immune checkpoint blockade therapy (ICBT) limit its response duration and magnitude. Paradoxically, Interferon γ (IFNγ), a key cytokine for cellular immunity, can promote ICBT resistance. Using syngeneic mouse tumour models, we confirm that chronic IFNγ exposure confers resistance to immunotherapy targeting PD-1 (α-PD-1) in immunocompetent female mice. We observe upregulation of poly-ADP ribosyl polymerase 14 (PARP14) in chronic IFNγ-treated cancer cell models, in patient melanoma with elevated IFNG expression, and in melanoma cell cultures from ICBT-progressing lesions characterised by elevated IFNγ signalling. Effector T cell infiltration is enhanced in tumours derived from cells pre-treated with IFNγ in immunocompetent female mice when PARP14 is pharmacologically inhibited or knocked down, while the presence of regulatory T cells is decreased, leading to restoration of α-PD-1 sensitivity. Finally, we determine that tumours which spontaneously relapse in immunocompetent female mice following α-PD-1 therapy upregulate IFNγ signalling and can also be re-sensitised upon receiving PARP14 inhibitor treatment, establishing PARP14 as an actionable target to reverse IFNγ-driven ICBT resistance.
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Affiliation(s)
- Chun Wai Wong
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
- Lydia Becker Institute of Immunology, The University of Manchester, Manchester, M13 9PT, UK
| | - Christos Evangelou
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
- Lydia Becker Institute of Immunology, The University of Manchester, Manchester, M13 9PT, UK
| | - Kieran N Sefton
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
- Lydia Becker Institute of Immunology, The University of Manchester, Manchester, M13 9PT, UK
| | - Rotem Leshem
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
- Lydia Becker Institute of Immunology, The University of Manchester, Manchester, M13 9PT, UK
| | - Wei Zhang
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
| | - Vishaka Gopalan
- Cancer Data Science Laboratory, National Cancer Institute, Bethesda, MD, 20814, USA
| | - Sorayut Chattrakarn
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
- Lydia Becker Institute of Immunology, The University of Manchester, Manchester, M13 9PT, UK
| | - Macarena Lucia Fernandez Carro
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
- Lydia Becker Institute of Immunology, The University of Manchester, Manchester, M13 9PT, UK
| | - Erez Uzuner
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
- Lydia Becker Institute of Immunology, The University of Manchester, Manchester, M13 9PT, UK
| | - Holly Mole
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
| | - Daniel J Wilcock
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
| | - Michael P Smith
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
| | - Kleita Sergiou
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
| | - Brian A Telfer
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
| | - Dervla T Isaac
- Ribon Therapeutics Inc., 35 Cambridge Park Drive, Suite 300, Cambridge, MA, 02140, USA
| | - Chang Liu
- Ribon Therapeutics Inc., 35 Cambridge Park Drive, Suite 300, Cambridge, MA, 02140, USA
| | - Nicholas R Perl
- Ribon Therapeutics Inc., 35 Cambridge Park Drive, Suite 300, Cambridge, MA, 02140, USA
| | - Kerrie Marie
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
| | - Paul Lorigan
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
- Department of Medical Oncology, The Christie NHS Foundation Trust, Wilmslow Road, Withington, Manchester, M20 4BX, UK
| | - Kaye J Williams
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
| | | | - Raghavendar T Nagaraju
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
- Colorectal and Peritoneal Oncology Centre, The Christie NHS Foundation Trust, Wilmslow Road, Withington, Manchester, UK
| | - Mario Niepel
- Ribon Therapeutics Inc., 35 Cambridge Park Drive, Suite 300, Cambridge, MA, 02140, USA
| | - Adam F L Hurlstone
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK.
- Lydia Becker Institute of Immunology, The University of Manchester, Manchester, M13 9PT, UK.
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13
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Velayutham S, Seerattan R, Sultan M, Seal T, Danthurthy S, Chinnappan B, Landi J, Pearl K, Singh A, Smalley KSM, Zaias J, Choi JY, Minond D. Novel Anti-Melanoma Compounds Are Efficacious in A375 Cell Line Xenograft Melanoma Model in Nude Mice. Biomolecules 2023; 13:1276. [PMID: 37759675 PMCID: PMC10526148 DOI: 10.3390/biom13091276] [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: 05/12/2023] [Revised: 06/20/2023] [Accepted: 08/17/2023] [Indexed: 09/29/2023] Open
Abstract
Despite the successes of immunotherapy, melanoma remains one of the deadliest cancers, therefore, the need for innovation remains high. We previously reported anti-melanoma compounds that work by downregulating spliceosomal proteins hnRNPH1 and H2. In a separate study, we reported that these compounds were non-toxic to Balb/C mice at 50 mg/kg suggesting their utility in in vivo studies. In the present study, we aimed to assess the efficacy of these compounds by testing them in A375 cell-line xenograft in nude athymic mice. Animals were randomized into four groups (n = 12/group): 10 mg/kg vemurafenib, and 25 mg/kg 2155-14 and 2155-18 thrice a week for 15 days along with a control group. The results revealed that both 2155-14 and 2155-18 significantly decreased the growth of A375 tumors, which was comparable to vemurafenib. These results were confirmed by tumor volume, weight, and histopathological examination. In conclusion, these results demonstrate the therapeutic potential of targeting spliceosomal proteins hnRNPH1 and H2.
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Affiliation(s)
- Sadeeshkumar Velayutham
- College of Pharmacy, Nova Southeastern University, 3321 College Avenue, Fort Lauderdale, FL 33314, USA
- Rumbaugh-Goodwin Institute for Cancer Research, Nova Southeastern University, 3321 College Avenue, CCR r.605, Fort Lauderdale, FL 33314, USA;
| | - Ryan Seerattan
- Department of Chemistry and Biochemistry, Queens College, 65-30 Kissena Boulevard, Flushing, NY 11367, USA
| | - Maab Sultan
- Rumbaugh-Goodwin Institute for Cancer Research, Nova Southeastern University, 3321 College Avenue, CCR r.605, Fort Lauderdale, FL 33314, USA;
| | - Trisha Seal
- Halmos College of Arts and Sciences, Nova Southeastern University, 3301 College Avenue, Fort Lauderdale, FL 33314, USA
| | - Samaya Danthurthy
- Honors College, Nova Southeastern University, 8000 N Ocean Dr., Dania Beach, FL 33004, USA
| | - Baskaran Chinnappan
- College of Pharmacy, Nova Southeastern University, 3321 College Avenue, Fort Lauderdale, FL 33314, USA
- Rumbaugh-Goodwin Institute for Cancer Research, Nova Southeastern University, 3321 College Avenue, CCR r.605, Fort Lauderdale, FL 33314, USA;
| | - Jessica Landi
- Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, 3321 College Avenue, Fort Lauderdale, FL 33314, USA
| | - Kaitlyn Pearl
- Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, 3321 College Avenue, Fort Lauderdale, FL 33314, USA
| | - Aveta Singh
- Department of Chemistry and Biochemistry, Queens College, 65-30 Kissena Boulevard, Flushing, NY 11367, USA
| | - Keiran S. M. Smalley
- Department of Tumor Biology, Moffitt Cancer Center, 12902 Magnolia Drive, Tampa, FL 33612, USA;
| | - Julia Zaias
- Division of Comparative Pathology, University of Miami, 1501 NW 10th Ave, Miami, FL 33136, USA;
| | - Jun Yong Choi
- Department of Chemistry and Biochemistry, Queens College, 65-30 Kissena Boulevard, Flushing, NY 11367, USA
- Ph.D. Programs in Chemistry and Biochemistry, The Graduate Center of the City University of New York, 365 5th Ave, New York, NY 10016, USA
| | - Dmitriy Minond
- College of Pharmacy, Nova Southeastern University, 3321 College Avenue, Fort Lauderdale, FL 33314, USA
- Rumbaugh-Goodwin Institute for Cancer Research, Nova Southeastern University, 3321 College Avenue, CCR r.605, Fort Lauderdale, FL 33314, USA;
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14
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Weckel A, Dhariwala MO, Ly K, Tran VM, Ojewumi OT, Riggs JB, Gonzalez JR, Dwyer LR, Okoro JN, Leech JM, Bacino MS, Cho GD, Merana G, Anandasabapathy N, Kumamoto Y, Scharschmidt TC. Long-term tolerance to skin commensals is established neonatally through a specialized dendritic cell subgroup. Immunity 2023; 56:1239-1254.e7. [PMID: 37028427 PMCID: PMC10330031 DOI: 10.1016/j.immuni.2023.03.008] [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: 06/30/2022] [Revised: 11/29/2022] [Accepted: 03/15/2023] [Indexed: 04/08/2023]
Abstract
Early-life establishment of tolerance to commensal bacteria at barrier surfaces carries enduring implications for immune health but remains poorly understood. Here, we showed that tolerance in skin was controlled by microbial interaction with a specialized subset of antigen-presenting cells. More particularly, CD301b+ type 2 conventional dendritic cells (DCs) in neonatal skin were specifically capable of uptake and presentation of commensal antigens for the generation of regulatory T (Treg) cells. CD301b+ DC2 were enriched for phagocytosis and maturation programs, while also expressing tolerogenic markers. In both human and murine skin, these signatures were reinforced by microbial uptake. In contrast to their adult counterparts or other early-life DC subsets, neonatal CD301b+ DC2 highly expressed the retinoic-acid-producing enzyme, RALDH2, the deletion of which limited commensal-specific Treg cell generation. Thus, synergistic interactions between bacteria and a specialized DC subset critically support early-life tolerance at the cutaneous interface.
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Affiliation(s)
- Antonin Weckel
- University of California, San Francisco, Department of Dermatology, San Francisco, CA 94143, USA
| | - Miqdad O Dhariwala
- University of California, San Francisco, Department of Dermatology, San Francisco, CA 94143, USA
| | - Kevin Ly
- University of California, San Francisco, Department of Dermatology, San Francisco, CA 94143, USA; University of California, San Francisco, Biomedical Sciences Graduate Program, San Francisco, CA 94143, USA
| | - Victoria M Tran
- University of California, San Francisco, Department of Dermatology, San Francisco, CA 94143, USA; University of California, San Francisco, Biomedical Sciences Graduate Program, San Francisco, CA 94143, USA
| | - Oluwasunmisola T Ojewumi
- University of California, San Francisco, Department of Dermatology, San Francisco, CA 94143, USA
| | - Julianne B Riggs
- University of California, San Francisco, Biomedical Sciences Graduate Program, San Francisco, CA 94143, USA
| | - Jeanmarie R Gonzalez
- University of California, San Francisco, Department of Dermatology, San Francisco, CA 94143, USA; University of California, San Francisco, Biomedical Sciences Graduate Program, San Francisco, CA 94143, USA
| | - Laura R Dwyer
- University of California, San Francisco, Department of Dermatology, San Francisco, CA 94143, USA; University of California, San Francisco, Biomedical Sciences Graduate Program, San Francisco, CA 94143, USA
| | - Joy N Okoro
- University of California, San Francisco, Department of Dermatology, San Francisco, CA 94143, USA
| | - John M Leech
- University of California, San Francisco, Department of Dermatology, San Francisco, CA 94143, USA
| | - Margot S Bacino
- University of California, San Francisco, Oral and Craniofacial Sciences Graduate Program, San Francisco, CA 94143, USA
| | - Grace D Cho
- University of California, San Francisco, Department of Dermatology, San Francisco, CA 94143, USA; University of California, Los Angeles, Department of Infectious Diseases, Los Angeles, CA 90095, USA
| | - Geil Merana
- University of California, San Francisco, Department of Dermatology, San Francisco, CA 94143, USA
| | - Niroshana Anandasabapathy
- Department of Dermatology, Meyer Cancer Center, Englander Institute for Precision Medicine, Weill Cornell Medical College, New York, NY, USA; Immunology and Microbial Pathogenesis Program, Weill Cornell Medical College, New York, NY, USA
| | - Yosuke Kumamoto
- Department of Pathology, Immunology and Laboratory Medicine, Rutgers New Jersey Medical School, Newark, NJ 07103, USA; Center for Immunity and Inflammation, Rutgers New Jersey Medical School, Newark, NJ 07103, USA
| | - Tiffany C Scharschmidt
- University of California, San Francisco, Department of Dermatology, San Francisco, CA 94143, USA.
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15
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Xin S, Liu X, Li Z, Sun X, Wang R, Zhang Z, Feng X, Jin L, Li W, Tang C, Mei W, Cao Q, Wang H, Zhang J, Feng L, Ye L. ScRNA-seq revealed an immunosuppression state and tumor microenvironment heterogeneity related to lymph node metastasis in prostate cancer. Exp Hematol Oncol 2023; 12:49. [PMID: 37221625 PMCID: PMC10204220 DOI: 10.1186/s40164-023-00407-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 04/25/2023] [Indexed: 05/25/2023] Open
Abstract
BACKGROUND Metastasis is a crucial aspect of disease progression leading to death in patients with prostate cancer (PCa). However, its mechanism remains unclear. We aimed to explore the mechanism of lymph node metastasis (LNM) by analyzing the heterogeneity of tumor microenvironment (TME) in PCa using scRNA-seq. METHODS A total of 32,766 cells were obtained from four PCa tissue samples for scRNA-seq, annotated, and grouped. InferCNV, GSVA, DEG functional enrichment analysis, trajectory analysis, intercellular network evaluation, and transcription factor analysis were carried out for each cell subgroup. Furthermore, validation experiments targeting luminal cell subgroups and CXCR4 + fibroblast subgroup were performed. RESULTS The results showed that only EEF2 + and FOLH1 + luminal subgroups were present in LNM, and they appeared at the initial stage of luminal cell differentiation, which were comfirmed by verification experiments. The MYC pathway was enriched in the EEF2 + and FOLH1 + luminal subgroups, and MYC was associated with PCa LNM. Moreover, MYC did not only promote the progression of PCa, but also led to immunosuppression in TME by regulating PDL1 and CD47. The proportion of CD8 + T cells in TME and among NK cells and monocytes was lower in LNM than in the primary lesion, while the opposite was true for Th and Treg cells. Furthermore, these immune cells in TME underwent transcriptional reprogramming, including CD8 + T subgroups of CCR7 + and IL7R+, as well as M2-like monocyte subgroups expressing tumor-associated signature genes, like CCR7, SGKI, and RPL31. Furthermore, STEAP4+, ADGRF5 + and CXCR4+, and SRGNC + fibroblast subgroups were closely related to tumor progression, tumor metabolism, and immunosuppression, indicating their contributions in PCa metastasis. Meanwhile, The presence of CXCR4 + Fibroblasts in PCa was confirmed by polychromatic immunofluorescence. CONCLUSIONS The significant heterogeneity of luminal, immune, and interstitial cells in PCa LNM may not only directly contribute to tumor progression, but also indirectly result in TME immunosuppression, which may be the cause of metastasis in PCa and in which MYC played an role.
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Affiliation(s)
- Shiyong Xin
- Department of Urology, Shanghai East Hospital, School of Medicine, Tongji University, No.150, Ji-mo Rd, Pu-dong new District, Shanghai, 200120, China
- Department of Urology, The First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, 471003, China
| | - Xiang Liu
- Department of Urology, Shanghai East Hospital, School of Medicine, Tongji University, No.150, Ji-mo Rd, Pu-dong new District, Shanghai, 200120, China
- Department of Urology, Putuo People's Hospital, School of Medicine, Shanghai, China
| | - Ziyao Li
- Department of Urology, Shanghai East Hospital, School of Medicine, Tongji University, No.150, Ji-mo Rd, Pu-dong new District, Shanghai, 200120, China
| | - Xianchao Sun
- Department of Urology, Shanghai East Hospital, School of Medicine, Tongji University, No.150, Ji-mo Rd, Pu-dong new District, Shanghai, 200120, China
| | - Rong Wang
- School of Pharmacy, Inner Mongolia Medical University, Hohhot, 010000, China
| | - Zhenhua Zhang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Xinwei Feng
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China
| | - Liang Jin
- Department of Urology, Shanghai East Hospital, School of Medicine, Tongji University, No.150, Ji-mo Rd, Pu-dong new District, Shanghai, 200120, China
| | - Weiyi Li
- Department of Urology, Shanghai East Hospital, School of Medicine, Tongji University, No.150, Ji-mo Rd, Pu-dong new District, Shanghai, 200120, China
| | - Chaozhi Tang
- Department of Urology, Shanghai East Hospital, School of Medicine, Tongji University, No.150, Ji-mo Rd, Pu-dong new District, Shanghai, 200120, China
| | - Wangli Mei
- Department of Urology, Shanghai East Hospital, School of Medicine, Tongji University, No.150, Ji-mo Rd, Pu-dong new District, Shanghai, 200120, China
| | - Qiong Cao
- Department of Pathology, The Third Affiliated Hospital of Henan University of Science and Technology, Henan, 471003, China
| | - Haojie Wang
- Department of Central Laboratory, Zhengzhou University, Luoyang Central Hospital, Luoyang, 471003, China
| | - Jianguo Zhang
- Department of Urology, The First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology, Luoyang, 471003, China
| | - Lijin Feng
- Department of Pathology, Jing'an District Zhabei Central Hospital, No.619, Zhonghuaxin Road, Shanghai, 200070, China.
| | - Lin Ye
- Department of Urology, Shanghai East Hospital, School of Medicine, Tongji University, No.150, Ji-mo Rd, Pu-dong new District, Shanghai, 200120, China.
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16
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Zhang Q, Zhao Q, Li T, Lu L, Wang F, Zhang H, Liu Z, Ma H, Zhu Q, Wang J, Zhang X, Pei Y, Liu Q, Xu Y, Qie J, Luan X, Hu Z, Liu X. Lactobacillus plantarum-derived indole-3-lactic acid ameliorates colorectal tumorigenesis via epigenetic regulation of CD8 + T cell immunity. Cell Metab 2023:S1550-4131(23)00141-9. [PMID: 37192617 DOI: 10.1016/j.cmet.2023.04.015] [Citation(s) in RCA: 71] [Impact Index Per Article: 71.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 02/10/2023] [Accepted: 04/14/2023] [Indexed: 05/18/2023]
Abstract
Previous studies have shown that Lactobacillus species play a role in ameliorating colorectal cancer (CRC) in a mouse model. However, the underlying mechanisms remain largely unknown. Here, we found that administration of a probiotic strain, Lactobacillus plantarumL168 and its metabolite, indole-3-lactic acid, ameliorated intestinal inflammation, tumor growth, and gut dysbiosis. Mechanistically, we indicated that indole-3-lactic acid accelerated IL12a production in dendritic cells by enhancing H3K27ac binding at the enhancer regions of IL12a that contributed to priming CD8+ T cell immunity against tumor growth. Furthermore, indole-3-lactic acid was found to transcriptionally inhibit Saa3 expression related to cholesterol metabolism of CD8+ T cells through changing chromatin accessibility and subsequent enhancing function of tumor-infiltrating CD8+ T cells. Together, our findings provide new insights into the epigenetic regulation of probiotics-mediated anti-tumor immunity and suggest the potential of L. plantarumL168 and indole-3-lactic acid to develop therapeutic strategies for patients with CRC.
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Affiliation(s)
- Qingqing Zhang
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Qing Zhao
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Tao Li
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Longya Lu
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Fei Wang
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Hong Zhang
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Zhi Liu
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Huihui Ma
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Qihui Zhu
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Jingjing Wang
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Xuemei Zhang
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Yang Pei
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Qisha Liu
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Yuyu Xu
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Jinlong Qie
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Xiaoting Luan
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China
| | - Zhibin Hu
- State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Xingyin Liu
- Department of Pathogen Biology-Microbiology Division, Key Laboratory of Pathogen of Jiangsu Province, Key Laboratory of Human Functional Genomics of Jiangsu Province, Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Nanjing 211166, China; State Key Laboratory of Reproductive Medicine, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China; The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China; Department of Microbiota Medicine, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China.
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17
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Kaszubowska L, Foerster J, Kaczor JJ, Karnia MJ, Kmieć Z. Anti-Inflammatory Klotho Protein Serum Concentration Correlates with Interferon Gamma Expression Related to the Cellular Activity of Both NKT-like and T Cells in the Process of Human Aging. Int J Mol Sci 2023; 24:ijms24098393. [PMID: 37176100 PMCID: PMC10179552 DOI: 10.3390/ijms24098393] [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: 03/19/2023] [Revised: 04/30/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023] Open
Abstract
Klotho is a beta-glucuronidase that reveals both anti-inflammatory and anti-oxidative properties that have been associated with mechanisms of aging. The study aimed to analyze the relationships between the serum concentration of soluble α-Klotho and cellular activity of two populations of lymphocytes; T and NKT-like cells corresponding to the level of cytokine secretion; i.e., IFN-γ, TNF-α, and IL-6. The studied population comprised three age groups: young individuals ('young'), seniors aged under 85 ('old'), and seniors aged over 85 ('oldest'). Both NKT-like and T cells were either non-cultured or cultured for 48 h and stimulated appropriately with IL-2, LPS or PMA with ionomycin to compare with unstimulated control cells. In all studied age groups non-cultured or cultured NKT-like cells revealed higher expressions of TNF-α, IL-6, and IFN-γ than T cells. α-Klotho concentration in serum decreased significantly in the process of aging. Intriguingly, only IFN-γ expression revealed a positive correlation with α-Klotho protein serum concentration in both non-cultured and cultured T and NKT-like cells. Since IFN-γ is engaged in the maintenance of immune homeostasis, the observed relationships may indicate the involvement of α-Klotho and cellular IFN-γ expression in the network of adaptive mechanisms developed during the process of human aging.
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Affiliation(s)
- Lucyna Kaszubowska
- Department of Histology, Medical University of Gdańsk, Dębinki 1, 80-211 Gdańsk, Poland
| | - Jerzy Foerster
- Department of Social and Clinical Gerontology, Medical University of Gdańsk, Dębinki 1, 80-211 Gdańsk, Poland
| | - Jan Jacek Kaczor
- Department of Animal and Human Physiology, University of Gdańsk, J. Bażyńskiego 8 Street, 80-308 Gdańsk, Poland
| | - Mateusz Jakub Karnia
- Department of Animal and Human Physiology, University of Gdańsk, J. Bażyńskiego 8 Street, 80-308 Gdańsk, Poland
| | - Zbigniew Kmieć
- Department of Histology, Medical University of Gdańsk, Dębinki 1, 80-211 Gdańsk, Poland
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18
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Del Prete A, Salvi V, Soriani A, Laffranchi M, Sozio F, Bosisio D, Sozzani S. Dendritic cell subsets in cancer immunity and tumor antigen sensing. Cell Mol Immunol 2023; 20:432-447. [PMID: 36949244 DOI: 10.1038/s41423-023-00990-6] [Citation(s) in RCA: 90] [Impact Index Per Article: 90.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 02/14/2023] [Indexed: 03/24/2023] Open
Abstract
Dendritic cells (DCs) exhibit a specialized antigen-presenting function and play crucial roles in both innate and adaptive immune responses. Due to their ability to cross-present tumor cell-associated antigens to naïve T cells, DCs are instrumental in the generation of specific T-cell-mediated antitumor effector responses in the control of tumor growth and tumor cell dissemination. Within an immunosuppressive tumor microenvironment, DC antitumor functions can, however, be severely impaired. In this review, we focus on the mechanisms of DC capture and activation by tumor cell antigens and the role of the tumor microenvironment in shaping DC functions, taking advantage of recent studies showing the phenotype acquisition, transcriptional state and functional programs revealed by scRNA-seq analysis. The therapeutic potential of DC-mediated tumor antigen sensing in priming antitumor immunity is also discussed.
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Affiliation(s)
- Annalisa Del Prete
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
- Humanitas Clinical and Research Center-IRCCS Rozzano, Milano, Italy
| | - Valentina Salvi
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Alessandra Soriani
- Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Mattia Laffranchi
- Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Francesca Sozio
- Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Daniela Bosisio
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Silvano Sozzani
- Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy.
- IRCCS Neuromed, Pozzilli, IS, Italy.
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19
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Remsik J, Tong X, Kunes RZ, Li MJ, Osman A, Chabot K, Sener UT, Wilcox JA, Isakov D, Snyder J, Bale TA, Chaligné R, Pe'er D, Boire A. Leptomeningeal anti-tumor immunity follows unique signaling principles. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.17.533041. [PMID: 36993586 PMCID: PMC10055207 DOI: 10.1101/2023.03.17.533041] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
Metastasis to the cerebrospinal fluid (CSF)-filled leptomeninges, or leptomeningeal metastasis (LM), represents a fatal complication of cancer. Proteomic and transcriptomic analyses of human CSF reveal a substantial inflammatory infiltrate in LM. We find the solute and immune composition of CSF in the setting of LM changes dramatically, with notable enrichment in IFN-γ signaling. To investigate the mechanistic relationships between immune cell signaling and cancer cells within the leptomeninges, we developed syngeneic lung, breast, and melanoma LM mouse models. Here we show that transgenic host mice, lacking IFN-γ or its receptor, fail to control LM growth. Overexpression of Ifng through a targeted AAV system controls cancer cell growth independent of adaptive immunity. Instead, leptomeningeal IFN-γ actively recruits and activates peripheral myeloid cells, generating a diverse spectrum of dendritic cell subsets. These migratory, CCR7+ dendritic cells orchestrate the influx, proliferation, and cytotoxic action of natural killer cells to control cancer cell growth in the leptomeninges. This work uncovers leptomeningeal-specific IFN-γ signaling and suggests a novel immune-therapeutic approach against tumors within this space.
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20
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Sakref C, Bendriss-Vermare N, Valladeau-Guilemond J. Phenotypes and Functions of Human Dendritic Cell Subsets in the Tumor Microenvironment. Methods Mol Biol 2023; 2618:17-35. [PMID: 36905506 DOI: 10.1007/978-1-0716-2938-3_2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
Dendritic cells (DCs) play a key role in the antitumor immunity, as they are at the interface of innate and adaptive immunity. This important task can only be performed thanks to the broad range of mechanisms that DCs can perform to activate other immune cells. As DCs are well known for their outstanding capacity to prime and activate T cells through antigen presentation, DCs were intensively investigated during the past decades. Numerous studies have identified new DC subsets, leading to a large variety of subsets commonly separated into cDC1, cDC2, pDCs, mature DCs, Langerhans cells, monocyte-derived DCs, Axl-DCs, and several other subsets. Here, we review the specific phenotypes, functions, and localization within the tumor microenvironment (TME) of human DC subsets thanks to flow cytometry and immunofluorescence but also with the help of high-output technologies such as single-cell RNA sequencing and imaging mass cytometry (IMC).
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Affiliation(s)
- Candice Sakref
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1052, CNRS 5286, Centre de Recherche en Cancérologie de Lyon, Lyon, France
- LabEx DEVweCAN, Lyon, France
| | - Nathalie Bendriss-Vermare
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1052, CNRS 5286, Centre de Recherche en Cancérologie de Lyon, Lyon, France
- LabEx DEVweCAN, Lyon, France
- Laboratoire d'Immunothérapie des Cancers de Lyon (LICL), Lyon, France
| | - Jenny Valladeau-Guilemond
- Univ Lyon, Université Claude Bernard Lyon 1, INSERM U1052, CNRS 5286, Centre de Recherche en Cancérologie de Lyon, Lyon, France.
- LabEx DEVweCAN, Lyon, France.
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21
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Ni Q, Li X, Huang H, Ge Z. Decreased expression of SCARA5 predicts a poor prognosis in melanoma using bioinformatics analysis. Front Oncol 2023; 13:1015358. [PMID: 37035142 PMCID: PMC10079878 DOI: 10.3389/fonc.2023.1015358] [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: 08/09/2022] [Accepted: 02/24/2023] [Indexed: 04/11/2023] Open
Abstract
Background It has been established that the scavenger receptor class A member 5 (SCARA5) functions as a tumor suppressor gene in various cancer types. To our knowledge, no comprehensive study has hitherto investigated the expression and function of SCARA5 in melanoma. This study aimed to determine the association between SCARA5 and melanoma. Methods Analysis of SCARA5 mRNA expression was performed using The Cancer Genome Atlas (TCGA) data sets. To evaluate the clinical significance of SCARA5, the clinical data of 93 patients with melanoma were collected. The role of SCARA5 expression in prognosis was also analyzed. In this study, survival was evaluated by Kaplan-Meier analysis and compared using the log-rank test. Univariate and multivariate Cox proportional hazard regression analyses were used to identify independent predictors. The Kyoto Encyclopedia of Genes and Genomes, Gene Ontology, and gene set enrichment analysis (GSEA) were used to perform gene set functional annotations. Protein-protein interaction (PPI) networks were constructed to illustrate gene-gene interactions. The Tumor IMmune Estimation Resource (TIMER) database was used to explore the association between SCARA5 and immune infiltration levels. Results The results showed that the SCARA5 mRNA expression in melanoma was significantly lower than in adjacent normal skin tissue (p < 0.001). Moreover, decreased expression of SCARA5 in melanoma correlated with the tumor, node, and metastasis (TNM) stage and recurrence (p < 0.05). The overall survival (OS) was significantly higher in melanoma with high SCARA5 expression compared with low SCARA5 expression (p < 0.001). During univariate analysis, SCARA5 expression, tumor (T) stage, node (N) stage, metastasis (M) stage, and recurrence correlated with OS (p < 0.05). Further multivariate Cox regression analysis showed that SCARA5 expression (p = 0.012) could be an independent prognostic factor for OS in cutaneous malignant melanoma. GSEA analysis showed that SCARA5 was significantly enriched in various pathways, such as response to developmental biology and response to antimicrobial peptides. Correlation analysis showed a positive correlation with CD8+ T cells, CD4+ T cells, macrophages, neutrophils, and dendritic cells (p < 0.05), and a negative correlation with tumor purity (p < 0.05). Conclusion SCARA5 has significant potential as a prognostic biomarker and as a promising therapeutic target in melanoma. Furthermore, SCARA5 expression in melanoma is related to the level of immune infiltration.
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Affiliation(s)
- Qinggan Ni
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Department of Burns and Plastic Surgery, Yancheng Clinical College of Xuzhou Medical University, The First People’s Hospital of Yancheng, Yancheng, China
| | - Xia Li
- Department of General Medicine, Yancheng Third People’s Hospital, The Sixth Affiliated Hospital of Nantong University, Yancheng, Jiangsu, China
| | - Hua Huang
- Department of Pathology, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Zili Ge
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- *Correspondence: Zili Ge,
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22
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SOCS2 regulation of growth hormone signaling requires a canonical interaction with phosphotyrosine. Biosci Rep 2022; 42:232115. [PMID: 36398696 DOI: 10.1042/bsr20221683] [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: 08/03/2022] [Revised: 10/21/2022] [Accepted: 10/26/2022] [Indexed: 11/19/2022] Open
Abstract
Suppressor of cytokine signaling (SOCS) 2 is the critical negative regulator of growth hormone (GH) and prolactin signaling. Mice lacking SOCS2 display gigantism with increased body weight and length, and an enhanced response to GH treatment. Here, we characterized mice carrying a germ-line R96C mutation within the SOCS2-SH2 domain, which disrupts the ability of SOCS2 to interact with tyrosine-phosphorylated targets. Socs2R96C/R96C mice displayed a similar increase in growth as previously observed in SOCS2 null (Socs2-/-) mice, with a proportional increase in body and organ weight, and bone length. Embryonic fibroblasts isolated from Socs2R96C/R96C and Socs2-/- mice also showed a comparable increase in phosphorylation of STAT5 following GH stimulation, indicating the critical role of phosphotyrosine binding in SOCS2 function.
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23
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Distinct gene programs underpinning disease tolerance and resistance in influenza virus infection. Cell Syst 2022; 13:1002-1015.e9. [PMID: 36516834 DOI: 10.1016/j.cels.2022.11.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 08/30/2022] [Accepted: 11/16/2022] [Indexed: 12/15/2022]
Abstract
When challenged with an invading pathogen, the host-defense response is engaged to eliminate the pathogen (resistance) and to maintain health in the presence of the pathogen (disease tolerance). However, the identification of distinct molecular programs underpinning disease tolerance and resistance remained obscure. We exploited transcriptional and physiological monitoring across 33 mouse strains, during in vivo influenza virus infection, to identify two host-defense gene programs-one is associated with hallmarks of disease tolerance and the other with hallmarks of resistance. Both programs constitute generic responses in multiple mouse and human cell types. Our study describes the organizational principles of these programs and validates Arhgdia as a regulator of disease-tolerance states in epithelial cells. We further reveal that the baseline disease-tolerance state in peritoneal macrophages is associated with the pathophysiological response to injury and infection. Our framework provides a paradigm for the understanding of disease tolerance and resistance at the molecular level.
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24
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Wang X, Liu C, Chen J, Chen L, Ren X, Hou M, Cui X, Jiang Y, Liu E, Zong Y, Duan A, Fu X, Yu W, Zhao X, Yang Z, Zhang Y, Fu J, Wang H. Single-cell dissection of remodeled inflammatory ecosystem in primary and metastatic gallbladder carcinoma. Cell Discov 2022; 8:101. [PMID: 36198671 PMCID: PMC9534837 DOI: 10.1038/s41421-022-00445-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 07/09/2022] [Indexed: 11/09/2022] Open
Abstract
Gallbladder carcinoma (GBC) is the most common biliary tract malignancy with the lowest survival rate, primarily arising from chronic inflammation. To better characterize the progression from inflammation to cancer to metastasis, we performed single-cell RNA sequencing across samples of 6 chronic cholecystitis, 12 treatment-naive GBCs, and 6 matched metastases. Benign epithelial cells from inflamed gallbladders displayed resting, immune-regulating, and gastrointestinal metaplastic phenotypes. A small amount of PLA2G2A+ epithelial cells with copy number variation were identified from a histologically benign sample. We validated significant overexpression of PLA2G2A across in situ GBCs, together with increased proliferation and cancer stemness in PLA2G2A-overexpressing GBC cells, indicating an important role for PLA2G2A during early carcinogenesis. Malignant epithelial cells displayed pervasive cancer hallmarks and cellular plasticity, differentiating into metaplastic, inflammatory, and mesenchymal subtypes with distinct transcriptomic, genomic, and prognostic patterns. Chronic cholecystitis led to an adapted microenvironment characterized by MDSC-like macrophages, CD8+ TRM cells, and CCL2+ immunity-regulating fibroblasts. By contrast, GBC instigated an aggressive and immunosuppressive microenvironment, featured by tumor-associated macrophages, Treg cells, CD8+ TEX cells, and STMN1+ tumor-promoting fibroblasts. Single-cell and bulk RNA-seq profiles consistently showed a more suppressive immune milieu for GBCs with inflammatory epithelial signatures, coupled with strengthened epithelial-immune crosstalk. We further pinpointed a subset of senescence-like fibroblasts (FN1+TGM2+) preferentially enriched in metastatic lesions, which promoted GBC migration and invasion via their secretory phenotype. Collectively, this study provides comprehensive insights into epithelial and microenvironmental reprogramming throughout cholecystitis-propelled carcinogenesis and metastasis, laying a new foundation for the precision therapy of GBC.
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Affiliation(s)
- Xiang Wang
- International Cooperation Laboratory on Signal Transduction, National Center for Liver Cancer, Ministry of Education Key Laboratory on Signaling Regulation and Targeting Therapy of Liver Cancer, Shanghai Key Laboratory of Hepato-biliary Tumor Biology, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China.,Second Department of Biliary Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
| | - Chunliang Liu
- International Cooperation Laboratory on Signal Transduction, National Center for Liver Cancer, Ministry of Education Key Laboratory on Signaling Regulation and Targeting Therapy of Liver Cancer, Shanghai Key Laboratory of Hepato-biliary Tumor Biology, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
| | - Jianan Chen
- International Cooperation Laboratory on Signal Transduction, National Center for Liver Cancer, Ministry of Education Key Laboratory on Signaling Regulation and Targeting Therapy of Liver Cancer, Shanghai Key Laboratory of Hepato-biliary Tumor Biology, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
| | - Lei Chen
- International Cooperation Laboratory on Signal Transduction, National Center for Liver Cancer, Ministry of Education Key Laboratory on Signaling Regulation and Targeting Therapy of Liver Cancer, Shanghai Key Laboratory of Hepato-biliary Tumor Biology, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
| | - Xianwen Ren
- Changping Laboratory, Yard 28, Science Park Road, Changping District, Beijing, China
| | - Minghui Hou
- Research Center for Organoids, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Xiuliang Cui
- International Cooperation Laboratory on Signal Transduction, National Center for Liver Cancer, Ministry of Education Key Laboratory on Signaling Regulation and Targeting Therapy of Liver Cancer, Shanghai Key Laboratory of Hepato-biliary Tumor Biology, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
| | - Youhai Jiang
- Cancer Research Center, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - Erdong Liu
- School of Life Sciences, Fudan University, Shanghai, China
| | - Yali Zong
- School of Life Sciences, Fudan University, Shanghai, China
| | - Anqi Duan
- Second Department of Biliary Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
| | - Xiaohui Fu
- Second Department of Biliary Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
| | - Wenlong Yu
- Second Department of Biliary Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
| | - Xiaofang Zhao
- Research Center for Organoids, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Zhao Yang
- Second Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
| | - Yongjie Zhang
- Second Department of Biliary Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China.
| | - Jing Fu
- International Cooperation Laboratory on Signal Transduction, National Center for Liver Cancer, Ministry of Education Key Laboratory on Signaling Regulation and Targeting Therapy of Liver Cancer, Shanghai Key Laboratory of Hepato-biliary Tumor Biology, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China.
| | - Hongyang Wang
- International Cooperation Laboratory on Signal Transduction, National Center for Liver Cancer, Ministry of Education Key Laboratory on Signaling Regulation and Targeting Therapy of Liver Cancer, Shanghai Key Laboratory of Hepato-biliary Tumor Biology, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China.
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25
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Dendritic Cells: The Long and Evolving Road towards Successful Targetability in Cancer. Cells 2022; 11:cells11193028. [PMID: 36230990 PMCID: PMC9563837 DOI: 10.3390/cells11193028] [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: 08/10/2022] [Revised: 09/19/2022] [Accepted: 09/22/2022] [Indexed: 11/16/2022] Open
Abstract
Dendritic cells (DCs) are a unique myeloid cell lineage that play a central role in the priming of the adaptive immune response. As such, they are an attractive target for immune oncology based therapeutic approaches. However, targeting these cells has proven challenging with many studies proving inconclusive or of no benefit in a clinical trial setting. In this review, we highlight the known and unknown about this rare but powerful immune cell. As technologies have expanded our understanding of the complexity of DC development, subsets and response features, we are now left to apply this knowledge to the design of new therapeutic strategies in cancer. We propose that utilization of these technologies through a multiomics approach will allow for an improved directed targeting of DCs in a clinical trial setting. In addition, the DC research community should consider a consensus on subset nomenclature to distinguish new subsets from functional or phenotypic changes in response to their environment.
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26
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Zanotti S, Boot GF, Coto-Llerena M, Gallon J, Hess GF, Soysal SD, Kollmar O, Ng CKY, Piscuoglio S. The Role of Chronic Liver Diseases in the Emergence and Recurrence of Hepatocellular Carcinoma: An Omics Perspective. Front Med (Lausanne) 2022; 9:888850. [PMID: 35814741 PMCID: PMC9263082 DOI: 10.3389/fmed.2022.888850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 05/23/2022] [Indexed: 12/02/2022] Open
Abstract
Hepatocellular carcinoma (HCC) typically develops from a background of cirrhosis resulting from chronic inflammation. This inflammation is frequently associated with chronic liver diseases (CLD). The advent of next generation sequencing has enabled extensive analyses of molecular aberrations in HCC. However, less attention has been directed to the chronically inflamed background of the liver, prior to HCC emergence and during recurrence following surgery. Hepatocytes within chronically inflamed liver tissues present highly activated inflammatory signaling pathways and accumulation of a complex mutational landscape. In this altered environment, cells may transform in a stepwise manner toward tumorigenesis. Similarly, the chronically inflamed environment which persists after resection may impact the timing of HCC recurrence. Advances in research are allowing an extensive epigenomic, transcriptomic and proteomic characterization of CLD which define the emergence of HCC or its recurrence. The amount of data generated will enable the understanding of oncogenic mechanisms in HCC from the CLD perspective and provide the possibility to identify robust biomarkers or novel therapeutic targets for the treatment of primary and recurrent HCC. Importantly, biomarkers defined by the analysis of CLD tissue may permit the early detection or prevention of HCC emergence and recurrence. In this review, we compile the current omics based evidence of the contribution of CLD tissues to the emergence and recurrence of HCC.
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Affiliation(s)
- Sofia Zanotti
- Anatomic Pathology Unit, IRCCS Humanitas University Research Hospital, Milan, Italy
| | - Gina F. Boot
- Visceral Surgery and Precision Medicine Research Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Mairene Coto-Llerena
- Visceral Surgery and Precision Medicine Research Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
- Institute of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
| | - John Gallon
- Visceral Surgery and Precision Medicine Research Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
| | - Gabriel F. Hess
- Clarunis, University Center for Gastrointestinal and Liver Diseases, St. Clara Hospital and University Hospital Basel, Basel, Switzerland
| | - Savas D. Soysal
- Clarunis, University Center for Gastrointestinal and Liver Diseases, St. Clara Hospital and University Hospital Basel, Basel, Switzerland
| | - Otto Kollmar
- Clarunis, University Center for Gastrointestinal and Liver Diseases, St. Clara Hospital and University Hospital Basel, Basel, Switzerland
| | - Charlotte K. Y. Ng
- Department for BioMedical Research, University of Bern, Bern, Switzerland
- Swiss Institute of Bioinformatics, Lausanne, Switzerland
- Bern Center for Precision Medicine, Bern, Switzerland
| | - Salvatore Piscuoglio
- Visceral Surgery and Precision Medicine Research Laboratory, Department of Biomedicine, University of Basel, Basel, Switzerland
- Institute of Medical Genetics and Pathology, University Hospital Basel, Basel, Switzerland
- *Correspondence: Salvatore Piscuoglio
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27
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Functional regulations between genetic alteration-driven genes and drug target genes acting as prognostic biomarkers in breast cancer. Sci Rep 2022; 12:10641. [PMID: 35739271 PMCID: PMC9226112 DOI: 10.1038/s41598-022-13835-5] [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: 04/26/2022] [Accepted: 05/30/2022] [Indexed: 12/19/2022] Open
Abstract
Differences in genetic molecular features including mutation, copy number alterations and DNA methylation, can explain interindividual variability in response to anti-cancer drugs in cancer patients. However, identifying genetic alteration-driven genes and characterizing their functional mechanisms in different cancer types are still major challenges for cancer studies. Here, we systematically identified functional regulations between genetic alteration-driven genes and drug target genes and their potential prognostic roles in breast cancer. We identified two mutation and copy number-driven gene pairs (PARP1-ACSL1 and PARP1-SRD5A3), three DNA methylation-driven gene pairs (PRLR-CDKN1C, PRLR-PODXL2 and PRLR-SRD5A3), six gene pairs between mutation-driven genes and drug target genes (SLC19A1-SLC47A2, SLC19A1-SRD5A3, AKR1C3-SLC19A1, ABCB1-SRD5A3, NR3C2-SRD5A3 and AKR1C3-SRD5A3), and four copy number-driven gene pairs (ADIPOR2-SRD5A3, CASP12-SRD5A3, SLC39A11-SRD5A3 and GALNT2-SRD5A3) that all served as prognostic biomarkers of breast cancer. In particular, RARP1 was found to be upregulated by simultaneous copy number amplification and gene mutation. Copy number deletion and downregulated expression of ACSL1 and upregulation of SRD5A3 both were observed in breast cancers. Moreover, copy number deletion of ACSL1 was associated with increased resistance to PARP inhibitors. PARP1-ACSL1 pair significantly correlated with poor overall survival in breast cancer owing to the suppression of the MAPK, mTOR and NF-kB signaling pathways, which induces apoptosis, autophagy and prevents inflammatory processes. Loss of SRD5A3 expression was also associated with increased sensitivity to PARP inhibitors. The PARP1-SRD5A3 pair significantly correlated with poor overall survival in breast cancer through regulating androgen receptors to induce cell proliferation. These results demonstrate that genetic alteration-driven gene pairs might serve as potential biomarkers for the prognosis of breast cancer and facilitate the identification of combination therapeutic targets for breast cancers.
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Ng MF, Simmons JL, Boyle GM. Heterogeneity in Melanoma. Cancers (Basel) 2022; 14:3030. [PMID: 35740696 PMCID: PMC9221188 DOI: 10.3390/cancers14123030] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/14/2022] [Accepted: 06/17/2022] [Indexed: 02/05/2023] Open
Abstract
There is growing evidence that tumour heterogeneity has an imperative role in cancer development, evolution and resistance to therapy. Continuing advancements in biomedical research enable tumour heterogeneity to be observed and studied more critically. As one of the most heterogeneous human cancers, melanoma displays a high level of biological complexity during disease progression. However, much is still unknown regarding melanoma tumour heterogeneity, as well as the role it plays in disease progression and treatment response. This review aims to provide a concise summary of the importance of tumour heterogeneity in melanoma.
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Affiliation(s)
- Mei Fong Ng
- Cancer Drug Mechanisms Group, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia; (M.F.N.); (J.L.S.)
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD 4000, Australia
| | - Jacinta L. Simmons
- Cancer Drug Mechanisms Group, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia; (M.F.N.); (J.L.S.)
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD 4000, Australia
- School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, QLD 4072, Australia
| | - Glen M. Boyle
- Cancer Drug Mechanisms Group, QIMR Berghofer Medical Research Institute, Brisbane, QLD 4006, Australia; (M.F.N.); (J.L.S.)
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD 4000, Australia
- School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, QLD 4072, Australia
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29
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Garige M, Ghosh S, Norris A, Li G, Poncet S, Chou CK, Wu WW, Shen RF, Sourbier C. PD-L1 Mediates IFNγ-Regulation of Glucose but Not of Tryptophan Metabolism in Clear Cell Renal Cell Carcinoma. Front Oncol 2022; 12:858379. [PMID: 35656514 PMCID: PMC9152103 DOI: 10.3389/fonc.2022.858379] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 04/13/2022] [Indexed: 12/21/2022] Open
Abstract
The immune checkpoint programmed death-ligand 1 (PD-L1) is expressed on the cell surface of tumor cells and is key for maintaining an immunosuppressive microenvironment through its interaction with the programmed death 1 (PD-1). Clear cell renal cell carcinoma (ccRCC) is a highly immunogenic cancer characterized by an aberrant aerobic glycolytic metabolism and is known to overexpress PD-L1. Multiple immunotherapies have been approved for the treatment of ccRCC, including cytokines and immune checkpoint inhibitors. Recently the intrinsic role of PD-L1 and interferon gamma (IFNγ) signaling have been studied in several types of tumor cells, yet it remains unclear how they affect the metabolism and signaling pathways of ccRCC. Using metabolomics, metabolic assays and RNAseq, we showed that IFNγ enhanced aerobic glycolysis and tryptophan metabolism in ccRCC cells in vitro and induced the transcriptional expression of signaling pathways related to inflammation, cell proliferation and cellular energetics. These metabolic and transcriptional effects were partially reversed following transient PD-L1 silencing. Aerobic glycolysis, as well as signaling pathways related to inflammation, were not induced by IFNγ when PD-L1 was silenced, however, tryptophan metabolism and activation of Jak2 and STAT1 were maintained. Our data demonstrate that PD-L1 expression is required to mediate some of IFNγ's effect in ccRCC cells and highlight the importance of PD-L1 signaling in regulating the metabolism of ccRCC cells in response to inflammatory signals.
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Affiliation(s)
- Mamatha Garige
- Division of Biotechnology Review and Research 1, Office of Biotechnology Products, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, MD, United States
| | - Susmita Ghosh
- Division of Biotechnology Review and Research 1, Office of Biotechnology Products, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, MD, United States
| | - Alexis Norris
- Division of Animal Bioengineering and Cellular Therapies, Office of New Animal Drug Evaluation, Center for Veterinary Medicine, United States Food and Drug Administration, Rockville, MD, United States
| | - Guangyuan Li
- Division of Biotechnology Review and Research 1, Office of Biotechnology Products, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, MD, United States
| | - Sarah Poncet
- Division of Biotechnology Review and Research 1, Office of Biotechnology Products, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, MD, United States
| | - Chao-Kai Chou
- Facility for Biotechnology Resources, Center for Biologicals Evaluation and Research, United States Food and Drug Administration, Silver Spring, MD, United States
| | - Wells W Wu
- Facility for Biotechnology Resources, Center for Biologicals Evaluation and Research, United States Food and Drug Administration, Silver Spring, MD, United States
| | - Rong-Fong Shen
- Facility for Biotechnology Resources, Center for Biologicals Evaluation and Research, United States Food and Drug Administration, Silver Spring, MD, United States
| | - Carole Sourbier
- Division of Biotechnology Review and Research 1, Office of Biotechnology Products, Office of Pharmaceutical Quality, Center for Drug Evaluation and Research, United States Food and Drug Administration, Silver Spring, MD, United States
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30
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Zhang T, Yin C, Fedorov A, Qiao L, Bao H, Beknazarov N, Wang S, Gautam A, Williams RM, Crawford JC, Peri S, Studitsky V, Beg AA, Thomas PG, Walkley C, Xu Y, Poptsova M, Herbert A, Balachandran S. ADAR1 masks the cancer immunotherapeutic promise of ZBP1-driven necroptosis. Nature 2022; 606:594-602. [PMID: 35614224 PMCID: PMC9373927 DOI: 10.1038/s41586-022-04753-7] [Citation(s) in RCA: 160] [Impact Index Per Article: 80.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 04/11/2022] [Indexed: 12/11/2022]
Abstract
Only a small proportion of patients with cancer show lasting responses to immune checkpoint blockade (ICB)-based monotherapies. The RNA-editing enzyme ADAR1 is an emerging determinant of resistance to ICB therapy and prevents ICB responsiveness by repressing immunogenic double-stranded RNAs (dsRNAs), such as those arising from the dysregulated expression of endogenous retroviral elements (EREs)1-4. These dsRNAs trigger an interferon-dependent antitumour response by activating A-form dsRNA (A-RNA)-sensing proteins such as MDA-5 and PKR5. Here we show that ADAR1 also prevents the accrual of endogenous Z-form dsRNA elements (Z-RNAs), which were enriched in the 3' untranslated regions of interferon-stimulated mRNAs. Depletion or mutation of ADAR1 resulted in Z-RNA accumulation and activation of the Z-RNA sensor ZBP1, which culminated in RIPK3-mediated necroptosis. As no clinically viable ADAR1 inhibitors currently exist, we searched for a compound that can override the requirement for ADAR1 inhibition and directly activate ZBP1. We identified a small molecule, the curaxin CBL0137, which potently activates ZBP1 by triggering Z-DNA formation in cells. CBL0137 induced ZBP1-dependent necroptosis in cancer-associated fibroblasts and reversed ICB unresponsiveness in mouse models of melanoma. Collectively, these results demonstrate that ADAR1 represses endogenous Z-RNAs and identifies ZBP1-mediated necroptosis as a new determinant of tumour immunogenicity masked by ADAR1. Therapeutic activation of ZBP1-induced necroptosis provides a readily translatable avenue for rekindling the immune responsiveness of ICB-resistant human cancers.
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Affiliation(s)
- Ting Zhang
- Blood Cell Development and Function Program, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Chaoran Yin
- Blood Cell Development and Function Program, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Aleksandr Fedorov
- Laboratory of Bioinformatics, Faculty of Computer Science, National Research University Higher School of Economics, Moscow, Russia
| | - Liangjun Qiao
- College of Basic Medicine, Chongqing Medical University, Chongqing, China
| | - Hongliang Bao
- Division of Chemistry, Department of Medical Sciences, Faculty of Medicine, University of Miyazaki, Kiyotake, Japan
| | - Nazar Beknazarov
- Laboratory of Bioinformatics, Faculty of Computer Science, National Research University Higher School of Economics, Moscow, Russia
| | - Shiyu Wang
- Division of Chemistry, Department of Medical Sciences, Faculty of Medicine, University of Miyazaki, Kiyotake, Japan
| | - Avishekh Gautam
- Blood Cell Development and Function Program, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Riley M Williams
- Blood Cell Development and Function Program, Fox Chase Cancer Center, Philadelphia, PA, USA
| | | | - Suraj Peri
- Blood Cell Development and Function Program, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Vasily Studitsky
- Cancer Signaling and Epigenetics Program, Fox Chase Cancer Center, Philadelphia, PA, USA
- Biology Faculty, Lomonosov Moscow State University, Moscow, Russia
| | - Amer A Beg
- Department of Immunology and Thoracic Oncology, Moffitt Cancer Center and Research Institute, Tampa, Florida, USA
| | - Paul G Thomas
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Carl Walkley
- Cancer & RNA Biology, St Vincent's Institute for Medical Research and Department of Medicine, St Vincent's Hospital, University of Melbourne, Fitzroy, Victoria, Australia
| | - Yan Xu
- Division of Chemistry, Department of Medical Sciences, Faculty of Medicine, University of Miyazaki, Kiyotake, Japan
| | - Maria Poptsova
- Laboratory of Bioinformatics, Faculty of Computer Science, National Research University Higher School of Economics, Moscow, Russia
| | - Alan Herbert
- Laboratory of Bioinformatics, Faculty of Computer Science, National Research University Higher School of Economics, Moscow, Russia.
- InsideOutBio, Charlestown, MA, USA.
| | - Siddharth Balachandran
- Blood Cell Development and Function Program, Fox Chase Cancer Center, Philadelphia, PA, USA.
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31
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Khaliq AM, Erdogan C, Kurt Z, Turgut SS, Grunvald MW, Rand T, Khare S, Borgia JA, Hayden DM, Pappas SG, Govekar HR, Kam AE, Reiser J, Turaga K, Radovich M, Zang Y, Qiu Y, Liu Y, Fishel ML, Turk A, Gupta V, Al-Sabti R, Subramanian J, Kuzel TM, Sadanandam A, Waldron L, Hussain A, Saleem M, El-Rayes B, Salahudeen AA, Masood A. Refining colorectal cancer classification and clinical stratification through a single-cell atlas. Genome Biol 2022; 23:113. [PMID: 35538548 PMCID: PMC9092724 DOI: 10.1186/s13059-022-02677-z] [Citation(s) in RCA: 56] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/21/2022] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Colorectal cancer (CRC) consensus molecular subtypes (CMS) have different immunological, stromal cell, and clinicopathological characteristics. Single-cell characterization of CMS subtype tumor microenvironments is required to elucidate mechanisms of tumor and stroma cell contributions to pathogenesis which may advance subtype-specific therapeutic development. We interrogate racially diverse human CRC samples and analyze multiple independent external cohorts for a total of 487,829 single cells enabling high-resolution depiction of the cellular diversity and heterogeneity within the tumor and microenvironmental cells. RESULTS Tumor cells recapitulate individual CMS subgroups yet exhibit significant intratumoral CMS heterogeneity. Both CMS1 microsatellite instability (MSI-H) CRCs and microsatellite stable (MSS) CRC demonstrate similar pathway activations at the tumor epithelial level. However, CD8+ cytotoxic T cell phenotype infiltration in MSI-H CRCs may explain why these tumors respond to immune checkpoint inhibitors. Cellular transcriptomic profiles in CRC exist in a tumor immune stromal continuum in contrast to discrete subtypes proposed by studies utilizing bulk transcriptomics. We note a dichotomy in tumor microenvironments across CMS subgroups exists by which patients with high cancer-associated fibroblasts (CAFs) and C1Q+TAM content exhibit poor outcomes, providing a higher level of personalization and precision than would distinct subtypes. Additionally, we discover CAF subtypes known to be associated with immunotherapy resistance. CONCLUSIONS Distinct CAFs and C1Q+ TAMs are sufficient to explain CMS predictive ability and a simpler signature based on these cellular phenotypes could stratify CRC patient prognosis with greater precision. Therapeutically targeting specific CAF subtypes and C1Q + TAMs may promote immunotherapy responses in CRC patients.
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Affiliation(s)
- Ateeq M Khaliq
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Cihat Erdogan
- Isparta University of Applied Sciences, Isparta, Turkey
| | - Zeyneb Kurt
- Northumbria University, Newcastle Upon Tyne, UK
| | | | | | - Tim Rand
- Tempus Labs, Inc., Chicago, IL, USA
| | | | | | | | - Sam G Pappas
- Rush University Medical Center, Chicago, IL, USA
| | | | - Audrey E Kam
- Rush University Medical Center, Chicago, IL, USA
| | | | | | - Milan Radovich
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Yong Zang
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Yingjie Qiu
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Yunlong Liu
- Indiana University School of Medicine, Indianapolis, IN, USA
| | | | - Anita Turk
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Vineet Gupta
- Rush University Medical Center, Chicago, IL, USA
| | - Ram Al-Sabti
- Rush University Medical Center, Chicago, IL, USA
| | | | | | | | - Levi Waldron
- CUNY Graduate School of Public Health and Health Policy, New York, NY, USA
| | - Arif Hussain
- University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, MD, USA
| | | | - Bassel El-Rayes
- University of Alabama, O'Neil Comprehensive Cancer Institute, Birmingham, AL, USA
| | | | - Ashiq Masood
- Indiana University School of Medicine, Indianapolis, IN, USA.
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32
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Jaiswal A, Verma A, Dannenfelser R, Melssen M, Tirosh I, Izar B, Kim TG, Nirschl CJ, Devi KSP, Olson WC, Slingluff CL, Engelhard VH, Garraway L, Regev A, Minkis K, Yoon CH, Troyanskaya O, Elemento O, Suárez-Fariñas M, Anandasabapathy N. An activation to memory differentiation trajectory of tumor-infiltrating lymphocytes informs metastatic melanoma outcomes. Cancer Cell 2022; 40:524-544.e5. [PMID: 35537413 PMCID: PMC9122099 DOI: 10.1016/j.ccell.2022.04.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 12/07/2021] [Accepted: 04/11/2022] [Indexed: 12/11/2022]
Abstract
There is a need for better classification and understanding of tumor-infiltrating lymphocytes (TILs). Here, we applied advanced functional genomics to interrogate 9,000 human tumors and multiple single-cell sequencing sets using benchmarked T cell states, comprehensive T cell differentiation trajectories, human and mouse vaccine responses, and other human TILs. Compared with other T cell states, enrichment of T memory/resident memory programs was observed across solid tumors. Trajectory analysis of single-cell melanoma CD8+ TILs also identified a high fraction of memory/resident memory-scoring TILs in anti-PD-1 responders, which expanded post therapy. In contrast, TILs scoring highly for early T cell activation, but not exhaustion, associated with non-response. Late/persistent, but not early activation signatures, prognosticate melanoma survival, and co-express with dendritic cell and IFN-γ response programs. These data identify an activation-like state associated to poor response and suggest successful memory conversion, above resuscitation of exhaustion, is an under-appreciated aspect of successful anti-tumoral immunity.
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Affiliation(s)
- Abhinav Jaiswal
- Department of Dermatology, Weill Cornell Medicine, New York, NY 10026, USA; Immunology and Microbial Pathogenesis Program, Weill Cornell Medicine, New York, NY 10026, USA
| | - Akanksha Verma
- Institute for Computational Biomedicine, Caryl and Israel Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Ruth Dannenfelser
- Department of Computer Science and Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08540, USA
| | - Marit Melssen
- Division of Surgical Oncology - Breast and Melanoma Surgery, Department of Surgery, Human Immune Therapy Center, Cancer Center, University of Virginia, Charlottesville, VA 22908, USA; Carter Immunology Center, Department of Microbiology, Immunology, and Cancer Biology, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Itay Tirosh
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Benjamin Izar
- Department of Medicine, Division of Hematology/Oncology, Herbert Irving Comprehensive Cancer Center, Columbia Center for Translational Immunology and Program for Mathematical Genomics, Columbia University, New York, NY 10032, USA
| | - Tae-Gyun Kim
- Department of Microbiology and Immunology, Yonsei University College of Medicine, Seoul, South Korea
| | - Christopher J Nirschl
- Department of Dermatology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - K Sanjana P Devi
- Department of Dermatology, Weill Cornell Medicine, New York, NY 10026, USA
| | - Walter C Olson
- Division of Surgical Oncology - Breast and Melanoma Surgery, Department of Surgery, Human Immune Therapy Center, Cancer Center, University of Virginia, Charlottesville, VA 22908, USA
| | - Craig L Slingluff
- Division of Surgical Oncology - Breast and Melanoma Surgery, Department of Surgery, Human Immune Therapy Center, Cancer Center, University of Virginia, Charlottesville, VA 22908, USA; Carter Immunology Center, Department of Microbiology, Immunology, and Cancer Biology, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Victor H Engelhard
- Carter Immunology Center, Department of Microbiology, Immunology, and Cancer Biology, University of Virginia School of Medicine, Charlottesville, VA 22908, USA
| | - Levi Garraway
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02115, USA; Center for Cancer for Cancer Precision Medicine, Boston, MA 02115, USA; Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Aviv Regev
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Kira Minkis
- Department of Dermatology, Weill Cornell Medicine, New York, NY 10026, USA
| | - Charles H Yoon
- Brigham and Women's Hospital, Department of Surgical Oncology Harvard Medical School, Boston, MA 02115, USA
| | - Olga Troyanskaya
- Department of Computer Science and Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08540, USA; Simons Center for Data Analysis, Simons Foundation, New York, NY 10010, USA
| | - Olivier Elemento
- Institute for Computational Biomedicine, Caryl and Israel Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Mayte Suárez-Fariñas
- Department of Genetics and Genomic Science, Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Niroshana Anandasabapathy
- Department of Dermatology, Weill Cornell Medicine, New York, NY 10026, USA; Immunology and Microbial Pathogenesis Program, Weill Cornell Medicine, New York, NY 10026, USA; Institute for Computational Biomedicine, Caryl and Israel Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA; Sandra and Edward Meyer Cancer Center, Weill Cornell Medicine, New York, NY 10026, USA; Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY 10026, USA.
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33
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Jia Q, Chu H, Jin Z, Long H, Zhu B. High-throughput single-сell sequencing in cancer research. Signal Transduct Target Ther 2022; 7:145. [PMID: 35504878 PMCID: PMC9065032 DOI: 10.1038/s41392-022-00990-4] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 03/23/2022] [Accepted: 04/08/2022] [Indexed: 12/22/2022] Open
Abstract
With advances in sequencing and instrument technology, bioinformatics analysis is being applied to batches of massive cells at single-cell resolution. High-throughput single-cell sequencing can be utilized for multi-omics characterization of tumor cells, stromal cells or infiltrated immune cells to evaluate tumor progression, responses to environmental perturbations, heterogeneous composition of the tumor microenvironment, and complex intercellular interactions between these factors. Particularly, single-cell sequencing of T cell receptors, alone or in combination with single-cell RNA sequencing, is useful in the fields of tumor immunology and immunotherapy. Clinical insights obtained from single-cell analysis are critically important for exploring the biomarkers of disease progression or antitumor treatment, as well as for guiding precise clinical decision-making for patients with malignant tumors. In this review, we summarize the clinical applications of single-cell sequencing in the fields of tumor cell evolution, tumor immunology, and tumor immunotherapy. Additionally, we analyze the tumor cell response to antitumor treatment, heterogeneity of the tumor microenvironment, and response or resistance to immune checkpoint immunotherapy. The limitations of single-cell analysis in cancer research are also discussed.
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Affiliation(s)
- Qingzhu Jia
- Institute of Cancer, Xinqiao Hospital, Army Medical University, Chongqing, 400037, China.,Chongqing Key Laboratory of Immunotherapy, Chongqing, 400037, China
| | - Han Chu
- Institute of Cancer, Xinqiao Hospital, Army Medical University, Chongqing, 400037, China.,Center of Growth, Metabolism and Aging, Key Laboratory of Bio-Resources and Eco-Environment, College of Life Sciences, Sichuan University, Chengdu, 610064, China
| | - Zheng Jin
- Research Institute, GloriousMed Clinical Laboratory Co., Ltd, Shanghai, 201318, China
| | - Haixia Long
- Institute of Cancer, Xinqiao Hospital, Army Medical University, Chongqing, 400037, China. .,Chongqing Key Laboratory of Immunotherapy, Chongqing, 400037, China.
| | - Bo Zhu
- Institute of Cancer, Xinqiao Hospital, Army Medical University, Chongqing, 400037, China. .,Chongqing Key Laboratory of Immunotherapy, Chongqing, 400037, China.
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Abstract
The transformative success of antibodies targeting the PD-1 (programmed death 1)/B7-H1 (B7 homolog 1) pathway (anti-PD therapy) has revolutionized cancer treatment. However, only a fraction of patients with solid tumors and some hematopoietic malignancies respond to anti-PD therapy, and the reason for failure in other patients is less known. By dissecting the mechanisms underlying this resistance, current studies reveal that the tumor microenvironment is a major location for resistance to occur. Furthermore, the resistance mechanisms appear to be highly heterogeneous. Here, we discuss recent human cancer data identifying mechanisms of resistance to anti-PD therapy. We review evidence for immune-based resistance mechanisms such as loss of neoantigens, defects in antigen presentation and interferon signaling, immune inhibitory molecules, and exclusion of T cells. We also review the clinical evidence for emerging mechanisms of resistance to anti-PD therapy, such as alterations in metabolism, microbiota, and epigenetics. Finally, we discuss strategies to overcome anti-PD therapy resistance and emphasize the need to develop additional immunotherapies based on the concept of normalization cancer immunotherapy.
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Affiliation(s)
- Matthew D Vesely
- Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut, USA; .,Department of Dermatology, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Tianxiang Zhang
- Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut, USA;
| | - Lieping Chen
- Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut, USA; .,Department of Dermatology, Yale University School of Medicine, New Haven, Connecticut, USA.,Department of Medicine (Medical Oncology), Yale University School of Medicine, New Haven, Connecticut, USA
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35
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Abstract
Dendritic cells (DCs) are professional antigen-presenting cells, orchestrating innate and adaptive immunity during infections, autoimmune diseases, and malignancies. Since the discovery of DCs almost 50 years ago, our understanding of their biology in humans has increased substantially. Here, we review both antitumor and tolerogenic DC responses in cancer and discuss lineage-specific contributions by their functionally specialized subsets, including the conventional DC (cDC) subsets cDC1 and cDC2, the newly described DC3, and the plasmacytoid DCs (pDCs), focusing on the human setting. In addition, we review the lineage-unrestricted "mature DCs enriched in immunoregulatory molecules" (mregDC) state recently described across different human tumors.
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Affiliation(s)
- Egle Kvedaraite
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institutet, Stockholm, Sweden.,Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden.,Department of Clinical Pathology and Cancer Diagnostics, Karolinska University Hospital, Stockholm, Sweden
| | - Florent Ginhoux
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), BIOPOLIS, Singapore, Singapore.,Inserm U1015, Gustave Roussy, Villejuif 94800, France.,Shanghai Institute of Immunology, Shanghai JiaoTong University School of Medicine, Shanghai, China.,Translational Immunology Institute, SingHealth Duke-NUS Academic Medical Centre, Singapore, Singapore
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36
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Gupta YH, Khanom A, Acton SE. Control of Dendritic Cell Function Within the Tumour Microenvironment. Front Immunol 2022; 13:733800. [PMID: 35355992 PMCID: PMC8960065 DOI: 10.3389/fimmu.2022.733800] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 02/09/2022] [Indexed: 12/12/2022] Open
Abstract
The tumour microenvironment (TME) presents a major block to anti-tumour immune responses and to effective cancer immunotherapy. The inflammatory mediators such as cytokines, chemokines, growth factors and prostaglandins generated in the TME alter the phenotype and function of dendritic cells (DCs) that are critical for a successful adaptive immune response against the growing tumour. In this mini review we discuss how tumour cells and the surrounding stroma modulate DC maturation and trafficking to impact T cell function. Fibroblastic stroma and the associated extracellular matrix around tumours can also provide physical restrictions to infiltrating DCs and other leukocytes. We discuss interactions between the inflammatory TME and infiltrating immune cell function, exploring how the inflammatory TME affects generation of T cell-driven anti-tumour immunity. We discuss the open question of the relative importance of antigen-presentation site; locally within the TME versus tumour-draining lymph nodes. Addressing these questions will potentially increase immune surveillance and enhance anti-tumour immunity.
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Affiliation(s)
- Yukti Hari Gupta
- Stromal Immunology Laboratory, MRC Laboratory for Molecular Cell Biology, University College London, London, United Kingdom
| | | | - Sophie E. Acton
- Stromal Immunology Laboratory, MRC Laboratory for Molecular Cell Biology, University College London, London, United Kingdom
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37
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A decade of checkpoint blockade immunotherapy in melanoma: understanding the molecular basis for immune sensitivity and resistance. Nat Immunol 2022; 23:660-670. [PMID: 35241833 DOI: 10.1038/s41590-022-01141-1] [Citation(s) in RCA: 222] [Impact Index Per Article: 111.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Accepted: 01/18/2022] [Indexed: 12/30/2022]
Abstract
Ten years since the immune checkpoint inhibitor ipilimumab was approved for advanced melanoma, it is time to reflect on the lessons learned regarding modulation of the immune system to treat cancer and on novel approaches to further extend the efficacy of current and emerging immunotherapies. Here, we review the studies that led to our current understanding of the melanoma immune microenvironment in humans and the mechanistic work supporting these observations. We discuss how this information is guiding more precise analyses of the mechanisms of action of immune checkpoint blockade and novel immunotherapeutic approaches. Lastly, we review emerging evidence supporting the negative impact of melanoma metabolic adaptation on anti-tumor immunity and discuss how to counteract such mechanisms for more successful use of immunotherapy.
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Godoy-Tena G, Ballestar E. Epigenetics of Dendritic Cells in Tumor Immunology. Cancers (Basel) 2022; 14:cancers14051179. [PMID: 35267487 PMCID: PMC8909611 DOI: 10.3390/cancers14051179] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/18/2022] [Accepted: 02/23/2022] [Indexed: 12/14/2022] Open
Abstract
Dendritic cells (DCs) are professional antigen-presenting cells with the distinctive property of inducing the priming and differentiation of naïve CD4+ and CD8+ T cells into helper and cytotoxic effector T cells to develop efficient tumor-immune responses. DCs display pathogenic and tumorigenic antigens on their surface through major histocompatibility complexes to directly influence the differentiation of T cells. Cells in the tumor microenvironment (TME), including cancer cells and other immune-infiltrated cells, can lead DCs to acquire an immune-tolerogenic phenotype that facilitates tumor progression. Epigenetic alterations contribute to cancer development, not only by directly affecting cancer cells, but also by their fundamental role in the differentiation of DCs that acquire a tolerogenic phenotype that, in turn, suppresses T cell-mediated responses. In this review, we focus on the epigenetic regulation of DCs that have infiltrated the TME and discuss how knowledge of the epigenetic control of DCs can be used to improve DC-based vaccines for cancer immunotherapy.
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Affiliation(s)
- Gerard Godoy-Tena
- Epigenetics and Immune Disease Group, Josep Carreras Research Institute (IJC), 08916 Barcelona, Spain;
| | - Esteban Ballestar
- Epigenetics and Immune Disease Group, Josep Carreras Research Institute (IJC), 08916 Barcelona, Spain;
- Epigenetics in Inflammatory and Metabolic Diseases Laboratory, Health Science Center (HSC), East China Normal University (ECNU), Shanghai 200241, China
- Correspondence:
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Early antitumor activity of oral Langerhans cells is compromised by a carcinogen. Proc Natl Acad Sci U S A 2022; 119:2118424119. [PMID: 35012988 PMCID: PMC8784117 DOI: 10.1073/pnas.2118424119] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/10/2021] [Indexed: 12/11/2022] Open
Abstract
Early diagnosis of oral squamous cell carcinoma (OSCC) remains an unmet clinical need. Therefore, elucidating the initial events of OSCC preceding tumor development could benefit OSCC prognosis. Here, we define the Langerhans cells (LCs) of the tongue and demonstrate that LCs protect the epithelium from carcinogen-induced OSCC by rapidly priming αβT cells capable of eliminating γH2AX+ epithelial cells, whereas γδT and natural killer cells are dispensable. The carcinogen, however, dysregulates the epithelial resident mononuclear phagocytes, reducing LC frequencies, while dendritic cells (DCs), macrophages, and plasmacytoid DCs (pDCs) populate the epithelium. Single-cell RNA-sequencing analysis indicates that these newly differentiated cells display an immunosuppressive phenotype accompanied by an expansion of T regulatory (Treg) cells. Accumulation of the Treg cells was regulated, in part, by pDCs and precedes the formation of visible tumors. This suggests LCs play an early protective role during OSCC, yet the capacity of the carcinogen to dysregulate the differentiation of mononuclear phagocytes facilitates oral carcinogenesis.
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Akagbosu B, Tayyebi Z, Shibu G, Paucar Iza YA, Deep D, Parisotto YF, Fisher L, Pasolli HA, Thevin V, Elmentaite R, Knott M, Hemmers S, Jahn L, Friedrich C, Verter J, Wang ZM, van den Brink M, Gasteiger G, Grünewald TGP, Marie JC, Leslie C, Rudensky AY, Brown CC. Novel antigen-presenting cell imparts T reg-dependent tolerance to gut microbiota. Nature 2022; 610:752-760. [PMID: 36070798 PMCID: PMC9605865 DOI: 10.1038/s41586-022-05309-5] [Citation(s) in RCA: 81] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Accepted: 09/01/2022] [Indexed: 01/21/2023]
Abstract
Establishing and maintaining tolerance to self-antigens or innocuous foreign antigens is vital for the preservation of organismal health. Within the thymus, medullary thymic epithelial cells (mTECs) expressing autoimmune regulator (AIRE) have a critical role in self-tolerance through deletion of autoreactive T cells and promotion of thymic regulatory T (Treg) cell development1-4. Within weeks of birth, a separate wave of Treg cell differentiation occurs in the periphery upon exposure to antigens derived from the diet and commensal microbiota5-8, yet the cell types responsible for the generation of peripheral Treg (pTreg) cells have not been identified. Here we describe the identification of a class of RORγt+ antigen-presenting cells called Thetis cells, with transcriptional features of both mTECs and dendritic cells, comprising four major sub-groups (TC I-TC IV). We uncover a developmental wave of Thetis cells within intestinal lymph nodes during a critical window in early life, coinciding with the wave of pTreg cell differentiation. Whereas TC I and TC III expressed the signature mTEC nuclear factor AIRE, TC IV lacked AIRE expression and was enriched for molecules required for pTreg generation, including the TGF-β-activating integrin αvβ8. Loss of either major histocompatibility complex class II (MHCII) or ITGB8 by Thetis cells led to a profound impairment in intestinal pTreg differentiation, with ensuing colitis. By contrast, MHCII expression by RORγt+ group 3 innate lymphoid cells (ILC3) and classical dendritic cells was neither sufficient nor required for pTreg generation, further implicating TC IV as the tolerogenic RORγt+ antigen-presenting cell with an essential function in early life. Our studies reveal parallel pathways for the establishment of tolerance to self and foreign antigens in the thymus and periphery, respectively, marked by the involvement of shared cellular and transcriptional programmes.
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Affiliation(s)
- Blossom Akagbosu
- grid.51462.340000 0001 2171 9952Immuno-Oncology, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, USA
| | - Zakieh Tayyebi
- grid.51462.340000 0001 2171 9952Computational and Systems Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY USA ,grid.5386.8000000041936877XTri-Institutional Program in Computational Biology and Medicine, Weill Cornell Graduate School, New York, NY USA
| | - Gayathri Shibu
- grid.51462.340000 0001 2171 9952Immuno-Oncology, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, USA ,grid.5386.8000000041936877XImmunology and Microbial Pathogenesis Program, Weill Cornell Medicine Graduate School of Medical Sciences, New York, NY USA
| | - Yoselin A. Paucar Iza
- grid.51462.340000 0001 2171 9952Immuno-Oncology, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, USA ,grid.5386.8000000041936877XImmunology and Microbial Pathogenesis Program, Weill Cornell Medicine Graduate School of Medical Sciences, New York, NY USA
| | - Deeksha Deep
- grid.5386.8000000041936877XImmunology and Microbial Pathogenesis Program, Weill Cornell Medicine Graduate School of Medical Sciences, New York, NY USA ,grid.51462.340000 0001 2171 9952Howard Hughes Medical Institute and Immunology Program, Sloan Kettering Institute and Ludwig Center at Memorial Sloan Kettering Cancer Center, New York, NY USA ,grid.5386.8000000041936877XTri-Institutional MD-PhD Program, Weill Cornell Medicine, The Rockefeller University and Memorial Sloan Kettering Cancer Center, New York, NY USA
| | - Yollanda Franco Parisotto
- grid.51462.340000 0001 2171 9952Immuno-Oncology, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, USA
| | - Logan Fisher
- grid.51462.340000 0001 2171 9952Immuno-Oncology, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, USA ,grid.5386.8000000041936877XImmunology and Microbial Pathogenesis Program, Weill Cornell Medicine Graduate School of Medical Sciences, New York, NY USA
| | - H. Amalia Pasolli
- grid.134907.80000 0001 2166 1519Electron Microscopy Resource Center, The Rockefeller University, New York, NY USA
| | - Valentin Thevin
- grid.462282.80000 0004 0384 0005Tumor Escape Resistance Immunity Department, CRCL, INSERM U1052, CNRS 5286, Centre Léon Bérard, Université de Lyon, Lyon, France ,Equipe Labellisée Ligue Nationale contre le Cancer, Lyon, France
| | - Rasa Elmentaite
- grid.10306.340000 0004 0606 5382Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton UK
| | - Maximilian Knott
- grid.5252.00000 0004 1936 973XInstitute of PathologyFaculty of Medicine, LMU Munich, Munich, Germany
| | - Saskia Hemmers
- grid.5386.8000000041936877XImmunology and Microbial Pathogenesis Program, Weill Cornell Medicine Graduate School of Medical Sciences, New York, NY USA ,grid.51462.340000 0001 2171 9952Howard Hughes Medical Institute and Immunology Program, Sloan Kettering Institute and Ludwig Center at Memorial Sloan Kettering Cancer Center, New York, NY USA ,grid.26009.3d0000 0004 1936 7961Present Address: Department of Immunology, Duke University, Durham, NC USA
| | - Lorenz Jahn
- grid.51462.340000 0001 2171 9952Department of Immunology, Memorial Sloan Kettering Cancer Center, New York, NY USA
| | - Christin Friedrich
- grid.8379.50000 0001 1958 8658Würzburg Institute of Systems Immunology, Max Planck Research Group, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Jacob Verter
- grid.51462.340000 0001 2171 9952Howard Hughes Medical Institute and Immunology Program, Sloan Kettering Institute and Ludwig Center at Memorial Sloan Kettering Cancer Center, New York, NY USA
| | - Zhong-Min Wang
- grid.51462.340000 0001 2171 9952Howard Hughes Medical Institute and Immunology Program, Sloan Kettering Institute and Ludwig Center at Memorial Sloan Kettering Cancer Center, New York, NY USA
| | - Marcel van den Brink
- grid.5386.8000000041936877XImmunology and Microbial Pathogenesis Program, Weill Cornell Medicine Graduate School of Medical Sciences, New York, NY USA ,grid.51462.340000 0001 2171 9952Department of Immunology, Memorial Sloan Kettering Cancer Center, New York, NY USA ,grid.51462.340000 0001 2171 9952Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY USA
| | - Georg Gasteiger
- grid.8379.50000 0001 1958 8658Würzburg Institute of Systems Immunology, Max Planck Research Group, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
| | - Thomas G. P. Grünewald
- grid.510964.fHopp—Children’s Cancer Center Heidelberg (KiTZ), Heidelberg, Germany ,grid.7497.d0000 0004 0492 0584Division of Translational Pediatric Sarcoma Research, German Cancer Research Center (DKFZ), German Cancer Consortium (DKTK), Heidelberg, Germany ,grid.5253.10000 0001 0328 4908Institute of Pathology, Heidelberg University Hospital, Heidelberg, Germany
| | - Julien C. Marie
- grid.462282.80000 0004 0384 0005Tumor Escape Resistance Immunity Department, CRCL, INSERM U1052, CNRS 5286, Centre Léon Bérard, Université de Lyon, Lyon, France ,Equipe Labellisée Ligue Nationale contre le Cancer, Lyon, France
| | - Christina Leslie
- grid.51462.340000 0001 2171 9952Computational and Systems Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY USA
| | - Alexander Y. Rudensky
- grid.5386.8000000041936877XImmunology and Microbial Pathogenesis Program, Weill Cornell Medicine Graduate School of Medical Sciences, New York, NY USA ,grid.51462.340000 0001 2171 9952Howard Hughes Medical Institute and Immunology Program, Sloan Kettering Institute and Ludwig Center at Memorial Sloan Kettering Cancer Center, New York, NY USA
| | - Chrysothemis C. Brown
- grid.51462.340000 0001 2171 9952Immuno-Oncology, Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, USA ,grid.5386.8000000041936877XImmunology and Microbial Pathogenesis Program, Weill Cornell Medicine Graduate School of Medical Sciences, New York, NY USA ,grid.51462.340000 0001 2171 9952Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY USA ,grid.51462.340000 0001 2171 9952Parker Institute for Cancer Immunotherapy, Memorial Sloan Kettering Cancer Center, New York, NY USA
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Zheng Y, Tang L, Liu Z. Multi-omics analysis of an immune-based prognostic predictor in non-small cell lung cancer. BMC Cancer 2021; 21:1322. [PMID: 34893051 PMCID: PMC8662860 DOI: 10.1186/s12885-021-09044-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 11/23/2021] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Inhibitors targeting immune checkpoints, such as PD-1/PD-L1 and CTLA-4, have prolonged survival in small groups of non-small cell lung cancer (NSCLC) patients, but biomarkers predictive of the response to the immune checkpoint inhibitors (ICIs) remain rare. METHODS The nonnegative matrix factorization (NMF) was performed for TCGA-NSCLC tumor samples based on the LM22 immune signature to construct subgroups. Characterization of NMF subgroups involved the single sample gene set variation analysis (ssGSVA), and mutation/copy number alteration and methylation analyses. Construction of RNA interaction network was based on the identification of differentially expressed RNAs (DERs). The prognostic predictor was constructed by a LASSO-Cox regression model. Four GEO datasets were used for the validation analysis. RESULTS Four immune based NMF subgroups among NSCLC patients were identified. Genetic and epigenetic analyses between subgroups revealed an important role of somatic copy number alterations in determining the immune checkpoint expression on specific immune cells. Seven hub genes were recognized in the regulatory network closely related to the immune phenotype, and a three-gene prognosis predictor was constructed. CONCLUSIONS Our study established an immune-based prognosis predictor, which might have the potential to select subgroups benefiting from the ICI treatment, for NSCLC patients using publicly available databases.
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Affiliation(s)
- Yang Zheng
- Jilin University First Hospital, Changchun, Jilin, People's Republic of China
| | - Lili Tang
- Institute of Military Cognition and Brain Sciences, Academy of Military Medical Sciences, Academy of Military Sciences, Beijing, People's Republic of China
| | - Ziling Liu
- Jilin University First Hospital, Changchun, Jilin, People's Republic of China.
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Linossi EM, Li K, Veggiani G, Tan C, Dehkhoda F, Hockings C, Calleja DJ, Keating N, Feltham R, Brooks AJ, Li SS, Sidhu SS, Babon JJ, Kershaw NJ, Nicholson SE. Discovery of an exosite on the SOCS2-SH2 domain that enhances SH2 binding to phosphorylated ligands. Nat Commun 2021; 12:7032. [PMID: 34857742 PMCID: PMC8640019 DOI: 10.1038/s41467-021-26983-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Accepted: 10/28/2021] [Indexed: 11/09/2022] Open
Abstract
Suppressor of cytokine signaling (SOCS)2 protein is a key negative regulator of the growth hormone (GH) and Janus kinase (JAK)-Signal Transducers and Activators of Transcription (STAT) signaling cascade. The central SOCS2-Src homology 2 (SH2) domain is characteristic of the SOCS family proteins and is an important module that facilitates recognition of targets bearing phosphorylated tyrosine (pTyr) residues. Here we identify an exosite on the SOCS2-SH2 domain which, when bound to a non-phosphorylated peptide (F3), enhances SH2 affinity for canonical phosphorylated ligands. Solution of the SOCS2/F3 crystal structure reveals F3 as an α-helix which binds on the opposite side of the SH2 domain to the phosphopeptide binding site. F3:exosite binding appears to stabilise the SOCS2-SH2 domain, resulting in slower dissociation of phosphorylated ligands and consequently, enhances binding affinity. This biophysical enhancement of SH2:pTyr binding affinity translates to increase SOCS2 inhibition of GH signaling.
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Affiliation(s)
- Edmond M Linossi
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Kunlun Li
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Gianluca Veggiani
- The Donnelly Center for Cellular and Biomolecular Research, University of Toronto, Toronto, ON, Canada
| | - Cyrus Tan
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Farhad Dehkhoda
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Colin Hockings
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Dale J Calleja
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Narelle Keating
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Rebecca Feltham
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Andrew J Brooks
- The University of Queensland Diamantina Institute, Woolloongabba, QLD, 4102, Australia
| | - Shawn S Li
- Department of Biochemistry and the Siebens-Drake Medical Research Institute, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Canada
| | - Sachdev S Sidhu
- The Donnelly Center for Cellular and Biomolecular Research, University of Toronto, Toronto, ON, Canada
| | - Jeffrey J Babon
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Nadia J Kershaw
- The Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia.
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia.
| | - Sandra E Nicholson
- The 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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Construction and Validation of an Immune-Related Gene Prognostic Index for Esophageal Squamous Cell Carcinoma. BIOMED RESEARCH INTERNATIONAL 2021; 2021:7430315. [PMID: 34722771 PMCID: PMC8553461 DOI: 10.1155/2021/7430315] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 09/20/2021] [Indexed: 12/02/2022]
Abstract
Immune checkpoint inhibitor (ICI) therapy may benefit patients with advanced esophageal squamous cell carcinoma (ESCC); however, novel biomarkers are needed to help predict the response of patients to treatment. Differentially expressed immune-related genes within The Cancer Genome Atlas ESCC dataset were selected using the weighted gene coexpression network and lasso Cox regression analyses. Based on these data, an immune-related gene prognostic index (IRGPI) was constructed. The molecular characteristics of the different IRGPI subgroups were assessed using mutation information and gene set enrichment analysis. Differences in immune cell infiltration and the response to ICI therapy and other drugs were also analyzed. Additionally, tumor and adjacent control tissues were collected from six patients with ESCC and the expression of these genes was verified using real-time quantitative polymerase chain reaction. IRGPI was designed based on CLDN1, HCAR3, FNBP1L, and BRCA2, the expression of which was confirmed in ESCC samples. The prognosis of patients in the high-IRGPI group was poor, as verified using publicly available expression data. KMT2D mutations were more common in the high-IRGPI group. Enrichment analysis revealed an active immune response, and immune infiltration assessment showed that the high-IRGPI group had an increased infiltration degree of CD8 T cells, which contributed to the improved response to ICI treatment. Collectively, these data demonstrate that IRGPI is a robust biomarker for predicting the prognosis and response to therapy of patients with ESCC.
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Mittli D, Tukacs V, Micsonai A, Ravasz L, Kardos J, Juhász G, Kékesi KA. The Single-Cell Transcriptomic Analysis of Prefrontal Pyramidal Cells and Interneurons Reveals the Neuronal Expression of Genes Encoding Antimicrobial Peptides and Immune Proteins. Front Immunol 2021; 12:749433. [PMID: 34759929 PMCID: PMC8574171 DOI: 10.3389/fimmu.2021.749433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 10/06/2021] [Indexed: 12/30/2022] Open
Abstract
The investigation of the molecular background of direct communication of neurons and immune cells in the brain is an important issue for understanding physiological and pathological processes in the nervous system. Direct contacts between brain-infiltrating immune cells and neurons, and the neuromodulatory effect of immune cell-derived regulatory peptides are well established. Several aspects of the role of immune and glial cells in the direct neuro-immune communication are also well known; however, there remain many questions regarding the molecular details of signaling from neurons to immune cells. Thus, we report here on the neuronal expression of genes encoding antimicrobial and immunomodulatory peptides, as well as proteins of immune cell-specific activation and communication mechanisms. In the present study, we analyzed the single-cell sequencing data of our previous transcriptomic work, obtained from electrophysiologically identified pyramidal cells and interneurons of the murine prefrontal cortex. We filtered out the genes that may be associated with the direct communication between immune cells and neurons and examined their expression pattern in the neuronal transcriptome. The expression of some of these genes by cortical neurons has not yet been reported. The vast majority of antimicrobial (~53%) and immune cell protein (~94%) transcripts was identified in the transcriptome of the 84 cells, owing to the high sensitivity of ultra-deep sequencing. Several of the antimicrobial and immune process-related protein transcripts showed cell type-specific or enriched expression. Individual neurons transcribed only a fraction of the investigated genes with low copy numbers probably due to the bursting kinetics of gene expression; however, the comparison of our data with available transcriptomic datasets from immune cells and neurons suggests the functional relevance of the reported findings. Accordingly, we propose further experimental and in silico studies on the neuronal expression of immune system-related genes and the potential role of the encoded proteins in neuroimmunological processes.
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Affiliation(s)
- Dániel Mittli
- ELTE NAP Neuroimmunology Research Group, Department of Biochemistry, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
- Laboratory of Proteomics, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Vanda Tukacs
- ELTE NAP Neuroimmunology Research Group, Department of Biochemistry, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
- Laboratory of Proteomics, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - András Micsonai
- ELTE NAP Neuroimmunology Research Group, Department of Biochemistry, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Lilla Ravasz
- ELTE NAP Neuroimmunology Research Group, Department of Biochemistry, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
- Clinical Research Units (CRU) Hungary Ltd., Göd, Hungary
| | - József Kardos
- ELTE NAP Neuroimmunology Research Group, Department of Biochemistry, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Gábor Juhász
- ELTE NAP Neuroimmunology Research Group, Department of Biochemistry, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
- Laboratory of Proteomics, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
- Clinical Research Units (CRU) Hungary Ltd., Göd, Hungary
- InnoScience Ltd., Mátranovák, Hungary
| | - Katalin Adrienna Kékesi
- ELTE NAP Neuroimmunology Research Group, Department of Biochemistry, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
- Laboratory of Proteomics, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
- InnoScience Ltd., Mátranovák, Hungary
- Department of Physiology and Neurobiology, Institute of Biology, ELTE Eötvös Loránd University, Budapest, Hungary
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Xu Y, Zhang H, Sun Q, Geng R, Yuan F, Liu B, Chen Q. Immunomodulatory Effects of Tryptophan Metabolism in the Glioma Tumor Microenvironment. Front Immunol 2021; 12:730289. [PMID: 34659216 PMCID: PMC8517402 DOI: 10.3389/fimmu.2021.730289] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 09/20/2021] [Indexed: 12/12/2022] Open
Abstract
Gliomas are the most common primary malignant tumor in adults’ central nervous system. While current research on glioma treatment is advancing rapidly, there is still no breakthrough in long-term treatment. Abnormalities in the immune regulatory mechanism in the tumor microenvironment are essential to tumor cell survival. The alteration of amino acid metabolism is considered a sign of tumor cells, significantly impacting tumor cells and immune regulation mechanisms in the tumor microenvironment. Despite the fact that the metabolism of tryptophan in tumors is currently discussed in the literature, we herein focused on reviewing the immune regulation of tryptophan metabolism in the tumor microenvironment of gliomas and analyzed possible immune targets. The objective is to identify potential targets for the treatment of glioma and improve the efficiency of immunotherapy.
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Affiliation(s)
- Yang Xu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Huikai Zhang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qian Sun
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Rongxin Geng
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fanen Yuan
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Baohui Liu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qianxue Chen
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, China
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Wu W, Liu Y, Zeng S, Han Y, Shen H. Intratumor heterogeneity: the hidden barrier to immunotherapy against MSI tumors from the perspective of IFN-γ signaling and tumor-infiltrating lymphocytes. J Hematol Oncol 2021; 14:160. [PMID: 34620200 PMCID: PMC8499512 DOI: 10.1186/s13045-021-01166-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Accepted: 09/07/2021] [Indexed: 12/15/2022] Open
Abstract
In this era of precision medicine, with the help of biomarkers, immunotherapy has significantly improved prognosis of many patients with malignant tumor. Deficient mismatch repair (dMMR)/microsatellite instability (MSI) status is used as a biomarker in clinical practice to predict favorable response to immunotherapy and prognosis. MSI is an important characteristic which facilitates mutation and improves the likelihood of a favorable response to immunotherapy. However, many patients with dMMR/MSI still respond poorly to immunotherapies, which partly results from intratumor heterogeneity propelled by dMMR/MSI. In this review, we discuss how dMMR/MSI facilitates mutations in tumor cells and generates intratumor heterogeneity, especially through type II interferon (IFN-γ) signaling and tumor-infiltrating lymphocytes (TILs). We discuss the mechanism of immunotherapy from the perspective of dMMR/MSI, molecular pathways and TILs, and we discuss how intratumor heterogeneity hinders the therapeutic effect of immunotherapy. Finally, we summarize present techniques and strategies to look at the tumor as a whole to design personalized regimes and achieve favorable prognosis.
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Affiliation(s)
- Wantao Wu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China, 410008
- Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China, 410008
| | - Yihan Liu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China, 410008
- Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China, 410008
| | - Shan Zeng
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China, 410008.
- Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China, 410008.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China.
| | - Ying Han
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China, 410008.
- Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China, 410008.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China.
| | - Hong Shen
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China, 410008.
- Key Laboratory for Molecular Radiation Oncology of Hunan Province, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China, 410008.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China.
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47
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Chen B, Zhu L, Yang S, Su W. Unraveling the Heterogeneity and Ontogeny of Dendritic Cells Using Single-Cell RNA Sequencing. Front Immunol 2021; 12:711329. [PMID: 34566965 PMCID: PMC8458576 DOI: 10.3389/fimmu.2021.711329] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 08/23/2021] [Indexed: 12/23/2022] Open
Abstract
Dendritic cells (DCs) play essential roles in innate and adaptive immunity and show high heterogeneity and intricate ontogeny. Advances in high-throughput sequencing technologies, particularly single-cell RNA sequencing (scRNA-seq), have improved the understanding of DC subsets. In this review, we discuss in detail the remarkable perspectives in DC reclassification and ontogeny as revealed by scRNA-seq. Moreover, the heterogeneity and multifunction of DCs during diseases as determined by scRNA-seq are described. Finally, we provide insights into the challenges and future trends in scRNA-seq technologies and DC research.
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Affiliation(s)
- Binyao Chen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
| | - Lei Zhu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
| | - Shizhao Yang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
| | - Wenru Su
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
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48
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Wu R, Wang C, Li Z, Xiao J, Li C, Wang X, Kong P, Cao J, Huang F, Li Z, Huang Y, Chen Y, Li X, Yang D, Zhang H, Mai J, Feng G, Deng R, Zhu X. SOX2 promotes resistance of melanoma with PD-L1 high expression to T-cell-mediated cytotoxicity that can be reversed by SAHA. J Immunother Cancer 2021; 8:jitc-2020-001037. [PMID: 33158915 PMCID: PMC7651737 DOI: 10.1136/jitc-2020-001037] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2020] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Immune checkpoint inhibitors (ICIs) induce better tumor regression in melanoma with programmed cell death 1 ligand 1 (PD-L1) high expression, but there has been an upsurge of failed responses. In this study, we aimed to explore the additional mechanisms possibly accounting for ICIs resistance and interventional strategies to overcome the resistance in melanoma with PD-L1 high expression. METHODS Melanoma xenografts and cytotoxicity assays were used to investigate function of SOX2 in regulating antitumor immunity. The activity of the janus kinase-signal transducer and activator of transcriptions (JAK-STAT) pathway was investigated by western blots, quantitative PCR and luciferase assay. Epigenetic compounds library screen was employed to identify inhibitors that could decrease SOX2 level. The effect of histone deacetylase inhibitor SAHA in antitumor immunity alone or in combination with immunotherapy was also determined in vitro and in vivo. Prognostic impact of SOX2 was analyzed using transcriptional profiles and clinical data download from the Gene Expression Omnibus and The Cancer Genome Atlas repository. RESULTS We uncovered a role of SOX2 in attenuating the sensitivity of melanoma cells to CD8+ T-cell killing. Mechanistically, SOX2 inhibited phosphatases suppressor of cytokine signaling 3 (SOCS3) and protein tyrosine phosphatase non-receptor type 1 (PTPN1) transcription, induced duration activation of the JAK-STAT pathway and thereby overexpression of interferon stimulated genes resistance signature (ISG.RS). By targeting the SOX2-JAK-STAT signaling, SAHA promoted the antitumor efficacy of IFNγ or anti-PD-1 in vitro and in vivo. Moreover, SOX2 was an independent prognostic factor for poor survival and resistant to anti-PD-1 therapy in melanoma with PD-L1 high expression. CONCLUSIONS Our data unveiled an additional function of SOX2 causing immune evasion of CD8+ T-cell killing through alleviating the JAK-STAT pathway and ISG.RS expression. We also provided a rationale to explore a novel combination of ICIs with SAHA clinically, especially in melanoma with PD-L1 and SOX2 high expression.
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Affiliation(s)
- Ruiyan Wu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Caiqin Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Medical Oncology, Sun Yat-sen University Sixth Affiliated Hospital, Guangzhou, Guangdong, China
| | - Zhiming Li
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China
| | - Jian Xiao
- Department of Medical Oncology, Sun Yat-sen University Sixth Affiliated Hospital, Guangzhou, Guangdong, China
| | - Chunyan Li
- Department of The Second Head and Neck Surgery, The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Xuemin Wang
- Department of The Second Head and Neck Surgery, The Third Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Pengfei Kong
- Department of Surgery, Fudan University Shanghai Cancer Center, Shanghai, Shanghai, China
| | - Jianghua Cao
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China.,Department of Medical Oncology, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China
| | - Fuxue Huang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Zhiling Li
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yun Huang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yuhong Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Xuan Li
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Dong Yang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Hailiang Zhang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Jia Mai
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Gongkan Feng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Rong Deng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Xiaofeng Zhu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
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Yoshimura A, Ito M, Mise-Omata S, Ando M. SOCS: negative regulators of cytokine signaling for immune tolerance. Int Immunol 2021; 33:711-716. [PMID: 34415326 DOI: 10.1093/intimm/dxab055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 08/18/2021] [Indexed: 11/14/2022] Open
Abstract
Cytokines are important intercellular communication tools for immunity. Many cytokines promote gene transcription and proliferation through the JAK/STAT (Janus kinase / signal transducers and activators of transcription) and the Ras/ERK (GDP/GTP-binding rat sarcoma protein / extracellular signal-regulated kinase) pathways, and these signaling pathways are tightly regulated. The SOCS (suppressor of cytokine signaling) family are representative negative regulators of JAK/STAT-mediated cytokine signaling and regulate the differentiation and function of T cells, thus being involved in immune tolerance. Human genetic analysis has shown that SOCS family members are strongly associated with autoimmune diseases, allergy and tumorigenesis. SOCS family proteins also function as immune-checkpoint molecules that contribute to the unresponsiveness of T cells to cytokines.
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Affiliation(s)
- Akihiko Yoshimura
- Department of Microbiology and Immunology, Keio University School of Medicine, Shinanomachi, Shinjyuku-ku, Tokyo, Japan
| | - Minako Ito
- Medical Institute of Bioregulation Kyushu University, Maidashi, Higashi-ku, Fukuoka, Japan
| | - Setsuko Mise-Omata
- Department of Microbiology and Immunology, Keio University School of Medicine, Shinanomachi, Shinjyuku-ku, Tokyo, Japan
| | - Makoto Ando
- Department of Microbiology and Immunology, Keio University School of Medicine, Shinanomachi, Shinjyuku-ku, Tokyo, Japan
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50
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Kim N, Eum HH, Lee HO. Clinical Perspectives of Single-Cell RNA Sequencing. Biomolecules 2021; 11:biom11081161. [PMID: 34439827 PMCID: PMC8394304 DOI: 10.3390/biom11081161] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/02/2021] [Accepted: 08/03/2021] [Indexed: 12/16/2022] Open
Abstract
The ability of single-cell genomics to resolve cellular heterogeneity is highly appreciated in cancer and is being exploited for precision medicine. In the recent decade, we have witnessed the incorporation of cancer genomics into the clinical decision-making process for molecular-targeted therapies. Compared with conventional genomics, which primarily focuses on the specific and sensitive detection of the molecular targets, single-cell genomics addresses intratumoral heterogeneity and the microenvironmental components impacting the treatment response and resistance. As an exploratory tool, single-cell genomics provides an unprecedented opportunity to improve the diagnosis, monitoring, and treatment of cancer. The results obtained upon employing bulk cancer genomics indicate that single-cell genomics is at an early stage with respect to exploration of clinical relevance and requires further innovations to become a widely utilized technology in the clinic.
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Affiliation(s)
- Nayoung Kim
- Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (N.K.); (H.H.E.)
- Department of Biomedicine and Health Sciences, Graduate School, The Catholic University of Korea, Seoul 06591, Korea
| | - Hye Hyeon Eum
- Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (N.K.); (H.H.E.)
- Department of Biomedicine and Health Sciences, Graduate School, The Catholic University of Korea, Seoul 06591, Korea
| | - Hae-Ock Lee
- Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea; (N.K.); (H.H.E.)
- Department of Biomedicine and Health Sciences, Graduate School, The Catholic University of Korea, Seoul 06591, Korea
- Correspondence: ; Tel.: +82-2-2258-8155
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