1
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Xuan S, Ma Y, Zhou H, Gu S, Yao X, Zeng X. The implication of dendritic cells in lung diseases: Immunological role of toll-like receptor 4. Genes Dis 2024; 11:101007. [PMID: 39238498 PMCID: PMC11375267 DOI: 10.1016/j.gendis.2023.04.036] [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: 02/04/2023] [Revised: 04/11/2023] [Accepted: 04/17/2023] [Indexed: 09/07/2024] Open
Abstract
The immune responses play a profound role in the progression of lung lesions in both infectious and non-infectious diseases. Dendritic cells, as the "frontline" immune cells responsible for antigen presentation, set up a bridge between innate and adaptive immunity in the course of these diseases. Among the receptors equipped in dendritic cells, Toll-like receptors are a group of specialized receptors as one type of pattern recognition receptors, capable of sensing environmental signals including invading pathogens and self-antigens. Toll-like receptor 4, a pivotal member of the Toll-like receptor family, was formerly recognized as a receptor sensitive to the outer membrane component lipopolysaccharide derived from Gram-negative bacteria, triggering the subsequent response. Moreover, its other essential roles in immune responses have drawn significant attention in the past decade. A better understanding of the implication of Toll-like receptor 4 in dendritic cells could contribute to the management of pulmonary diseases including pneumonia, pulmonary tuberculosis, asthma, acute lung injury, and lung cancer.
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Affiliation(s)
- Shurui Xuan
- Department of Pulmonary & Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
- Department of Respiratory Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006, China
| | - Yuan Ma
- Department of Pulmonary & Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Honglei Zhou
- Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Shengwei Gu
- Department of Pulmonary & Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Xin Yao
- Department of Pulmonary & Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
| | - Xiaoning Zeng
- Department of Pulmonary & Critical Care Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
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2
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Geng X, Xia X, Liang Z, Li S, Yue Z, Zhang H, Guo L, Ma S, Jiang S, Lian X, Zhou J, Sung LA, Wang X, Yao W. Tropomodulin1 exacerbates inflammatory response in macrophages by negatively regulating LPS-induced TLR4 endocytosis. Cell Mol Life Sci 2024; 81:402. [PMID: 39276234 PMCID: PMC11401823 DOI: 10.1007/s00018-024-05424-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 07/24/2024] [Accepted: 08/17/2024] [Indexed: 09/16/2024]
Abstract
The excessive inflammation caused by the prolonged activation of Toll-like receptor 4 (TLR4) and its downstream signaling pathways leads to sepsis. CD14-mediated endocytosis of TLR4 is the key step to control the amount of TLR4 on cell membrane and the activity of downstream pathways. The actin cytoskeleton is necessary for receptor-mediated endocytosis, but its role in TLR4 endocytosis remains elusive. Here we show that Tropomodulin 1 (Tmod1), an actin capping protein, inhibited lipopolysaccharide (LPS)-induced TLR4 endocytosis and intracellular trafficking in macrophages. Thus it resulted in increased surface TLR4 and the upregulation of myeloid differentiation factor 88 (MyD88)-dependent pathway and the downregulation of TIR domain-containing adaptor-inducing interferon-β (TRIF)-dependent pathway, leading to the enhanced secretion of inflammatory cytokines, such as TNF-α and IL-6, and the reduced secretion of cytokines, such as IFN-β. Macrophages deficient with Tmod1 relieved the inflammatory response in LPS-induced acute lung injury mouse model. Mechanistically, Tmod1 negatively regulated LPS-induced TLR4 endocytosis and inflammatory response through modulating the activity of CD14/Syk/PLCγ2/IP3/Ca2+ signaling pathway, the reorganization of actin cytoskeleton, and the membrane tension. Therefore, Tmod1 is a key regulator of inflammatory response and immune functions in macrophages and may be a potential target for the treatment of excessive inflammation and sepsis.
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Affiliation(s)
- Xueyu Geng
- Hemorheology Center, Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
- Department of Integration of Chinese and Western Medicine, School of Basic Medical Science, Peking University Health Center, Beijing, 100191, China
| | - Xue Xia
- Nanjing Institute of Measurement and Testing Technology, Nanjing, 210049, Jiangsu Province, China
| | - Zhenhui Liang
- Hemorheology Center, Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
- Department of Integration of Chinese and Western Medicine, School of Basic Medical Science, Peking University Health Center, Beijing, 100191, China
| | - Shuo Li
- Hemorheology Center, Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Zejun Yue
- Hemorheology Center, Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
- Department of Integration of Chinese and Western Medicine, School of Basic Medical Science, Peking University Health Center, Beijing, 100191, China
| | - Huan Zhang
- Hemorheology Center, Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Lina Guo
- Department of Rehabilitation Medicine, Caoxian People's Hospital, Heze, 274400, Shandong Province, China
| | - Shan Ma
- Chengde Medical College, Chengde, 067000, Hebei Province, China
| | - Siyu Jiang
- Chengde Medical College, Chengde, 067000, Hebei Province, China
| | - Xiang Lian
- Department of Emergency, Beijing Anzhen Hospital, Capital Medical University, Beijing, 100029, China
| | - Jing Zhou
- Hemorheology Center, Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China
| | - Lanping Amy Sung
- Department of Bioengineering, University of California, La Jolla, San Diego, CA, 92093, USA
| | - Xifu Wang
- Department of Emergency, Beijing Anzhen Hospital, Capital Medical University, Beijing, 100029, China.
| | - Weijuan Yao
- Hemorheology Center, Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing, 100191, China.
- Department of Integration of Chinese and Western Medicine, School of Basic Medical Science, Peking University Health Center, Beijing, 100191, China.
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3
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Zheng LY, Duan Y, He PY, Wu MY, Wei ST, Du XH, Yao RQ, Yao YM. Dysregulated dendritic cells in sepsis: functional impairment and regulated cell death. Cell Mol Biol Lett 2024; 29:81. [PMID: 38816685 PMCID: PMC11140885 DOI: 10.1186/s11658-024-00602-9] [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: 01/16/2024] [Accepted: 05/21/2024] [Indexed: 06/01/2024] Open
Abstract
Sepsis is defined as life-threatening organ dysfunction caused by a dysregulated host response to infection. Studies have indicated that immune dysfunction plays a central role in the pathogenesis of sepsis. Dendritic cells (DCs) play a crucial role in the emergence of immune dysfunction in sepsis. The major manifestations of DCs in the septic state are abnormal functions and depletion in numbers, which are linked to higher mortality and vulnerability to secondary infections in sepsis. Apoptosis is the most widely studied pathway of number reduction in DCs. In the past few years, there has been a surge in studies focusing on regulated cell death (RCD). This emerging field encompasses various forms of cell death, such as necroptosis, pyroptosis, ferroptosis, and autophagy-dependent cell death (ADCD). Regulation of DC's RCD can serve as a possible therapeutic focus for the treatment of sepsis. Throughout time, numerous tactics have been devised and effectively implemented to improve abnormal immune response during sepsis progression, including modifying the functions of DCs and inhibiting DC cell death. In this review, we provide an overview of the functional impairment and RCD of DCs in septic states. Also, we highlight recent advances in targeting DCs to regulate host immune response following septic challenge.
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Affiliation(s)
- Li-Yu Zheng
- Translational Medicine Research Center, Medical Innovation Research Division of the Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Yu Duan
- Department of Critical Care Medicine, Affiliated Chenzhou Hospital (the First People's Hospital of Chenzhou), Southern Medical University, Chenzhou, 423000, China
| | - Peng-Yi He
- Translational Medicine Research Center, Medical Innovation Research Division of the Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Meng-Yao Wu
- Translational Medicine Research Center, Medical Innovation Research Division of the Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Shu-Ting Wei
- Translational Medicine Research Center, Medical Innovation Research Division of the Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China
| | - Xiao-Hui Du
- Department of General Surgery, The First Medical Center of Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China.
| | - Ren-Qi Yao
- Translational Medicine Research Center, Medical Innovation Research Division of the Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China.
- Department of General Surgery, The First Medical Center of Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China.
| | - Yong-Ming Yao
- Translational Medicine Research Center, Medical Innovation Research Division of the Chinese PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China.
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4
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Bülow S, Ederer KU, Holzinger JM, Zeller L, Werner M, Toelge M, Pfab C, Hirsch S, Göpferich F, Hiergeist A, Berberich-Siebelt F, Gessner A. Bactericidal/permeability-increasing protein instructs dendritic cells to elicit Th22 cell response. Cell Rep 2024; 43:113929. [PMID: 38457343 DOI: 10.1016/j.celrep.2024.113929] [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: 12/21/2022] [Revised: 01/01/2024] [Accepted: 02/21/2024] [Indexed: 03/10/2024] Open
Abstract
Neutrophil-derived bactericidal/permeability-increasing protein (BPI) is known for its bactericidal activity against gram-negative bacteria and neutralization of lipopolysaccharide. Here, we define BPI as a potent activator of murine dendritic cells (DCs). As shown in GM-CSF-cultured, bone-marrow-derived cells (BMDCs), BPI induces a distinct stimulation profile including IL-2, IL-6, and tumor necrosis factor expression. Conventional DCs also respond to BPI, while M-CSF-cultivated or peritoneal lavage macrophages do not. Subsequent to BPI stimulation of BMDCs, CD4+ T cells predominantly secrete IL-22 and, when naive, preferentially differentiate into T helper 22 (Th22) cells. Congruent with the tissue-protective properties of IL-22 and along with impaired IL-22 induction, disease severity is significantly increased during dextran sodium sulfate-induced colitis in BPI-deficient mice. Importantly, physiological diversification of intestinal microbiota fosters BPI-dependent IL-22 induction in CD4+ T cells derived from mesenteric lymph nodes. In conclusion, BPI is a potent activator of DCs and consecutive Th22 cell differentiation with substantial relevance in intestinal homeostasis.
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Affiliation(s)
- Sigrid Bülow
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany.
| | - Katharina U Ederer
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Jonas M Holzinger
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Lisa Zeller
- Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
| | - Maren Werner
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Martina Toelge
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Christina Pfab
- Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
| | - Sarah Hirsch
- Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
| | - Franziska Göpferich
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany
| | - Andreas Hiergeist
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany; Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
| | | | - André Gessner
- Institute of Clinical Microbiology and Hygiene, University Hospital Regensburg, 93053 Regensburg, Germany; Institute of Medical Microbiology and Hygiene Regensburg, University of Regensburg, 93053 Regensburg, Germany
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5
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Sakellariou C, Roser LA, Schiffmann S, Lindstedt M. Fine tuning of the innate and adaptive immune responses by Interleukin-2. J Immunotoxicol 2024; 21:2332175. [PMID: 38526995 DOI: 10.1080/1547691x.2024.2332175] [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: 09/07/2023] [Accepted: 03/13/2024] [Indexed: 03/27/2024] Open
Abstract
Novel immunotherapies for cancer and other diseases aim to trigger the immune system to produce durable responses, while overcoming the immunosuppression that may contribute to disease severity, and in parallel considering immunosafety aspects. Interleukin-2 (IL-2) was one of the first cytokines that the FDA approved as a cancer-targeting immunotherapy. However, in the past years, IL-2 immunotherapy is not actively offered to patients, due to limited efficacy, when compared to other novel immunotherapies, and the associated severe adverse events. In order to design improved in vitro and in vivo models, able to predict the efficacy and safety of novel IL-2 alternatives, it is important to delineate the mechanistic immunological events triggered by IL-2. Particularly, in this review we will discuss the effects IL-2 has with the bridging cell type of the innate and adaptive immune responses, dendritic cells. The pathways involved in the regulation of IL-2 by dendritic cells and T-cells in cancer and autoimmune disease will also be explored.
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Affiliation(s)
| | - Luise A Roser
- Fraunhofer Institute for Translational Medicine and Pharmacology (ITMP), Frankfurt am Main, Germany
| | - Susanne Schiffmann
- Fraunhofer Institute for Translational Medicine and Pharmacology (ITMP), Frankfurt am Main, Germany
| | - Malin Lindstedt
- Department of Immunotechnology, Lund University, Lund, Sweden
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6
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Cao Z, Yang X, Yang W, Chen F, Jiang W, Zhan S, Jiang F, Li J, Ye C, Lang L, Zhang S, Feng Z, Lai X, Liu Y, Mao L, Cai H, Teng Y, Xie J. Modulation of Dendritic Cell Function via Nanoparticle-Induced Cytosolic Calcium Changes. ACS NANO 2024; 18:7618-7632. [PMID: 38422984 PMCID: PMC10938921 DOI: 10.1021/acsnano.4c00550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 02/15/2024] [Accepted: 02/22/2024] [Indexed: 03/02/2024]
Abstract
Calcium nanoparticles have been investigated for applications, such as drug and gene delivery. Additionally, Ca2+ serves as a crucial second messenger in the activation of immune cells. However, few studies have systematically studied the effects of calcium nanoparticles on the calcium levels and functions within immune cells. In this study, we explore the potential of calcium nanoparticles as a vehicle to deliver calcium into the cytosol of dendritic cells (DCs) and influence their functions. We synthesized calcium hydroxide nanoparticles, coated them with a layer of silica to prevent rapid degradation, and further conjugated them with anti-CD205 antibodies to achieve targeted delivery to DCs. Our results indicate that these nanoparticles can efficiently enter DCs and release calcium ions in a controlled manner. This elevation in cytosolic calcium activates both the NFAT and NF-κB pathways, in turn promoting the expression of costimulatory molecules, antigen-presenting molecules, and pro-inflammatory cytokines. In mouse tumor models, the calcium nanoparticles enhanced the antitumor immune response and augmented the efficacy of both radiotherapy and chemotherapy without introducing additional toxicity. Our study introduces a safe nanoparticle immunomodulator with potential widespread applications in cancer therapy.
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Affiliation(s)
- Zhengwei Cao
- Department
of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Xueyuan Yang
- Department
of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Wei Yang
- Department
of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Fanghui Chen
- Department
of Hematology and Medical Oncology & Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia 30322, United States
| | - Wen Jiang
- Department
of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Shuyue Zhan
- Department
of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Fangchao Jiang
- Department
of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Jianwen Li
- Department
of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Chenming Ye
- Department
of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, Georgia 30602, United States
| | - Liwei Lang
- Department
of Physiology, Medical College of Georgia, Augusta University, Augusta, Georgia 30907, United States
| | - Sirui Zhang
- Institute
of Bioinformatics, University of Georgia, Athens, Georgia 30602, United States
| | - Zhizi Feng
- Department
of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Xinning Lai
- Department
of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Yang Liu
- Department
of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Leidong Mao
- School
of
Electrical and Computer Engineering, College of Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Houjian Cai
- Department
of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, Georgia 30602, United States
| | - Yong Teng
- Department
of Hematology and Medical Oncology & Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia 30322, United States
| | - Jin Xie
- Department
of Chemistry, University of Georgia, Athens, Georgia 30602, United States
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7
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Zhang P, Huang C, Liu H, Zhang M, Liu L, Zhai Y, Zhang J, Yang J, Yang J. The mechanism of the NFAT transcription factor family involved in oxidative stress response. J Cardiol 2024; 83:30-36. [PMID: 37149283 DOI: 10.1016/j.jjcc.2023.04.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 04/20/2023] [Accepted: 04/28/2023] [Indexed: 05/08/2023]
Abstract
As a transcriptional activator widely expressed in various tissues, nuclear factor of activated T cells (NFAT) is involved in the regulation of the immune system, the development of the heart and brain systems, and classically mediating pathological processes such as cardiac hypertrophy. Oxidative stress is an imbalance of intracellular redox status, characterized by excessive generation of reactive oxygen species, accompanied by mitochondrial dysfunction, calcium overload, and subsequent lipid peroxidation, inflammation, and apoptosis. Oxidative stress occurs during various pathological processes, such as chronic hypoxia, vascular smooth muscle cell phenotype switching, ischemia-reperfusion, and cardiac remodeling. Calcium overload leads to an increase in intracellular calcium concentration, while NFAT can be activated through calcium-calcineurin, which is also the main regulatory mode of NFAT factors. This review focuses on the effects of NFAT transcription factors on reactive oxygen species production, calcium overload, mitochondrial dysfunction, redox reactions, lipid peroxidation, inflammation, and apoptosis in response to oxidative stress. We hope to provide a reference for the functions and characteristics of NFAT involved in various stages of oxidative stress as well as related potential targets.
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Affiliation(s)
- Peiyue Zhang
- Department of Cardiology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China; Institute of Cardiovascular Diseases, China Three Gorges University, Yichang, China; HuBei Clinical Research Center for Ischemic Cardiovascular Disease, Yichang, China
| | - Cuiyuan Huang
- HuBei Clinical Research Center for Ischemic Cardiovascular Disease, Yichang, China
| | - Haiyin Liu
- Department of Cardiology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China; Institute of Cardiovascular Diseases, China Three Gorges University, Yichang, China; HuBei Clinical Research Center for Ischemic Cardiovascular Disease, Yichang, China
| | - Mengting Zhang
- Department of Cardiology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China; Institute of Cardiovascular Diseases, China Three Gorges University, Yichang, China; HuBei Clinical Research Center for Ischemic Cardiovascular Disease, Yichang, China
| | - Li Liu
- Institute of Cardiovascular Diseases, China Three Gorges University, Yichang, China; HuBei Clinical Research Center for Ischemic Cardiovascular Disease, Yichang, China
| | - Yuhong Zhai
- Department of Cardiology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China; Institute of Cardiovascular Diseases, China Three Gorges University, Yichang, China; HuBei Clinical Research Center for Ischemic Cardiovascular Disease, Yichang, China
| | - Jing Zhang
- Institute of Cardiovascular Diseases, China Three Gorges University, Yichang, China; HuBei Clinical Research Center for Ischemic Cardiovascular Disease, Yichang, China
| | - Jian Yang
- Department of Cardiology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China; Institute of Cardiovascular Diseases, China Three Gorges University, Yichang, China.
| | - Jun Yang
- Department of Cardiology, The First College of Clinical Medical Science, China Three Gorges University, Yichang, China; Institute of Cardiovascular Diseases, China Three Gorges University, Yichang, China.
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8
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López Malizia A, Merlotti A, Bonte PE, Sager M, Arribas De Sandoval Y, Goudot C, Erra Díaz F, Pereyra-Gerber P, Ceballos A, Amigorena S, Geffner J, Sabatte J. Clusterin protects mature dendritic cells from reactive oxygen species mediated cell death. Oncoimmunology 2023; 13:2294564. [PMID: 38125724 PMCID: PMC10730137 DOI: 10.1080/2162402x.2023.2294564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 12/08/2023] [Indexed: 12/23/2023] Open
Abstract
Dendritic cells (DCs) play a key role in the induction of the adaptive immune response. They capture antigens in peripheral tissues and prime naïve T lymphocytes, triggering the adaptive immune response. In the course of inflammatory processes DCs face stressful conditions including hypoxia, low pH and high concentrations of reactive oxygen species (ROS), among others. How DCs survive under these adverse conditions remain poorly understood. Clusterin is a protein highly expressed by tumors and usually associated with bad prognosis. It promotes cancer cell survival by different mechanisms such as apoptosis inhibition and promotion of autophagy. Here, we show that, upon maturation, human monocyte-derived DCs (MoDCs) up-regulate clusterin expression. Clusterin protects MoDCs from ROS-mediated toxicity, enhancing DC survival and promoting their ability to induce T cell activation. In line with these results, we found that clusterin is expressed by a population of mature LAMP3+ DCs, called mregDCs, but not by immature DCs in human cancer. The expression of clusterin by intratumoral DCs was shown to be associated with a transcriptomic profile indicative of cellular response to stress. These results uncover an important role for clusterin in DC physiology.
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Affiliation(s)
- Alvaro López Malizia
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Buenos Aires University, School of Medicine, Buenos Aires, Argentina
| | | | | | - Melina Sager
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Buenos Aires University, School of Medicine, Buenos Aires, Argentina
| | | | - Christel Goudot
- Institut Curie, Université Paris Sciences et Lettres, Paris, France
| | - Fernando Erra Díaz
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Buenos Aires University, School of Medicine, Buenos Aires, Argentina
| | - Pehuén Pereyra-Gerber
- Cambridge Institute of Therapeutic Immunology & Infectious Disease (CITIID), Department of Medicine, University of Cambridge, Cambridge, UK
| | - Ana Ceballos
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Buenos Aires University, School of Medicine, Buenos Aires, Argentina
| | | | - Jorge Geffner
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Buenos Aires University, School of Medicine, Buenos Aires, Argentina
| | - Juan Sabatte
- Instituto de Investigaciones Biomédicas en Retrovirus y SIDA (INBIRS), Buenos Aires University, School of Medicine, Buenos Aires, Argentina
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9
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Yu W, Sun W, Guo K, Yang Y. Surface-enhanced fluorescence for lipopolysaccharide analysis based on shell-isolated nanoparticle. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 302:123065. [PMID: 37364412 DOI: 10.1016/j.saa.2023.123065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 06/13/2023] [Accepted: 06/20/2023] [Indexed: 06/28/2023]
Abstract
Lipopolysaccharide (LPS) as the component of cell membrane on gram-negative bacteria played a central role on inflammatory inducer to stimulate a multi-system host response. Herein, a surface-enhanced fluorescent (SEF) sensor was developed for LPS analysis based on shell-isolated nanoparticles (SHINs). The fluorescent signal of CdTe quantum dots (QDs) was amplified by silica shell-coated Au nanoparticles (Au NPs). The 3D finite-difference time-domain (3D-FDTD) simulation revealed that this enhancement was due to local electric field amplification. This method has a linear detection range of 0.1-20 μg/mL and a detection limit of 64 ng/mL for LPS. Furthermore, the developed method was successfully applied for LPS analysis in milk and human serum sample. The results indicated that the as-prepared sensor has significant potential for selective detection of LPS in biomedical diagnosis and food safety.
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Affiliation(s)
- Weidao Yu
- College of Food and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, PR China
| | - Wen Sun
- College of Food and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, PR China
| | - Ketong Guo
- College of Food and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, PR China
| | - Yaqiong Yang
- College of Food and Pharmaceutical Engineering, Nanjing Normal University, Nanjing 210023, PR China.
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10
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Na K, Oh BC, Jung Y. Multifaceted role of CD14 in innate immunity and tissue homeostasis. Cytokine Growth Factor Rev 2023; 74:100-107. [PMID: 37661484 DOI: 10.1016/j.cytogfr.2023.08.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 08/22/2023] [Indexed: 09/05/2023]
Abstract
CD14 is a co-receptor of Toll-like receptor (TLR)- 4, with a critical role in innate immune responses. CD14 recognizes bacterial lipopolysaccharides, pathogen-, and damage-associated molecular patterns, thereby facilitating inflammatory immune responses. In addition to its well-established association with TLR4, CD14 is also implicated in TLR4-independent signaling, which leads to the apoptotic death of differentiated dendritic cells and activation of the noncanonical inflammasome pathway. CD14 also has a role beyond that of the immune responses. It contributes to tissue homeostasis by promoting the clearance of various apoptotic cells via recognizing externalized phosphatidylinositol phosphates. CD14 also has context-dependent roles, particularly in barrier tissues that include the skin and gastrointestinal tract. For example, CD14+ dendritic cells in the skin can induce immunostimulatory or immunosuppressive responses. In the gastrointestinal system, CD14 is involved in producing inflammatory cytokines in inflammatory bowel disease and maintaining of intestinal integrity. This review focuses on the multifaceted roles of CD14 in innate immunity and its potential regulatory functions in barrier tissues characterized by rapid cell renewal. By providing insights into the diverse functions of CD14, this review offers potential therapeutic implications for this versatile molecule in immune modulation and tissue homeostasis.
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Affiliation(s)
- Kunhee Na
- Department of Health Science and Technology, Gachon Advanced Institute for Health Science & Technology, Gachon University, Incheon 21999, the Republic of Korea
| | - Byung-Chul Oh
- Department of Health Science and Technology, Gachon Advanced Institute for Health Science & Technology, Gachon University, Incheon 21999, the Republic of Korea; Department of Physiology, College of Medicine, Gachon University, Incheon 21999, the Republic of Korea; Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, the Republic of Korea.
| | - YunJae Jung
- Department of Health Science and Technology, Gachon Advanced Institute for Health Science & Technology, Gachon University, Incheon 21999, the Republic of Korea; Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, the Republic of Korea; Department of Microbiology, College of Medicine, Gachon University, Incheon 21999, the Republic of Korea.
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11
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Halici Z, Bulut V, Cadirci E, Yayla M. Investigation of the effects of urotensin II receptors in LPS-induced inflammatory response in HUVEC cell line through calcineurin/NFATc/IL-2 pathway. Adv Med Sci 2023; 68:433-440. [PMID: 37913738 DOI: 10.1016/j.advms.2023.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 07/03/2023] [Accepted: 10/20/2023] [Indexed: 11/03/2023]
Abstract
PURPOSE The effect of urotensin II (U-II), a powerful endogenous vasoconstrictor substance, on the immune system and its mediators is very important. It was herein aimed to demonstrate the possible relationship between the calcineurin/nuclear factor of activated T-cells cytoplasmic 1/interleukin-2 (CaN/NFATc/IL-2) pathway and urotensin receptors (UTRs) in inflammatory response due to lipopolysaccharide (LPS). METHODS An LPS-induced inflammation model was used on the human umbilical vein endothelial cells (HUVEC) cell line and drugs were applied accordingly, forming the following groups: Control Group, LPS Group, Agonist Group (10-8 M U-II), Antagonist Group (10-6 M palosuran), Tacrolimus (TAC) Group (10 ng/mL FK-506), Agonist + TAC Group, and Antagonist + TAC Group. Gene expression analyses were performed using real-time polymerase chain reaction (RT-PCR). RESULTS In the analysis of the cell viability at 48 and 72 h, there was a decrease in the Agonist Group, while in the Agonist + TAC Group, the cell viability increased. In the Antagonist Group, cell viability was maintained when compared to the LPS Group, while in the TAC Group, this effect was reduced. The mRNA expression levels of UTR, CaN, NFATc, IL-2 receptor (IL-2R), IL-6 and nuclear factor kappa B (NF-κB) were higher in the LPS Group than in the Control Group, and even the UTR, CaN, NFATc, IL-2R were higher with agonist administration. This effect of the agonist was shown to be completely mitigated in the presence of the CaN inhibitor. CONCLUSION U-II and its receptors can perform key functions regarding the endothelial cell damage via the CaN/NFATc/IL-2 pathway.
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Affiliation(s)
- Zekai Halici
- Department of Pharmacology, Ataturk University, Erzurum, Turkey; Clinical Research, Development and Design Application and Research Center, Ataturk University, Erzurum, Turkey.
| | - Vedat Bulut
- Department of Immunology, Gazi University, Ankara, Turkey
| | - Elif Cadirci
- Department of Pharmacology, Ataturk University, Erzurum, Turkey; Clinical Research, Development and Design Application and Research Center, Ataturk University, Erzurum, Turkey
| | - Muhammed Yayla
- Department of Pharmacology, Kafkas University, Kars, Turkey
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12
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Sharygin D, Koniaris LG, Wells C, Zimmers TA, Hamidi T. Role of CD14 in human disease. Immunology 2023; 169:260-270. [PMID: 36840585 PMCID: PMC10591340 DOI: 10.1111/imm.13634] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 02/21/2023] [Indexed: 02/26/2023] Open
Abstract
The cell surface antigen CD14 is primarily understood to act as a co-receptor for toll-like receptors (TLRs) to activate innate immunity responses to pathogens and tissue injury in macrophages and monocytes. However, roles for CD14 are increasingly being uncovered in disease responses in epithelial and endothelial cells. Consistent with these broader functions, CD14 expression is altered in a variety of non-immune cell types in response to a several of disease states. Moreover, soluble CD14 activated by factors from both pathogens and tissue damage may initiate signalling in a variety of non-immune cells. This review examined the current understanding CD14 in innate immunity as well as its potential functions in nonimmune cells and associated human diseases.
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Affiliation(s)
- Daniel Sharygin
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Chemistry, Massachusetts institute of technology, Cambridge, MA, USA
| | - Leonidas G. Koniaris
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
- Indiana University Simon Comprehensive Cancer Center, Indianapolis, IN, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Clark Wells
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, USA
- Indiana University Simon Comprehensive Cancer Center, Indianapolis, IN, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Teresa A. Zimmers
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, USA
- Indiana University Simon Comprehensive Cancer Center, Indianapolis, IN, USA
- Department of Anatomy, Cell Biology and Physiology, Indiana University School of Medicine, Indianapolis, IN, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN, USA
- Center for Computational Biology and Bioinformatics, Indiana University School of Medicine, Indianapolis, IN, USA
- Richard L. Roudebush Veterans Administration Medical Center, Indianapolis, IN, USA
| | - Tewfik Hamidi
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
- Indiana University Simon Comprehensive Cancer Center, Indianapolis, IN, USA
- Indiana Center for Musculoskeletal Health, Indiana University School of Medicine, Indianapolis, IN, USA
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13
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Inamdar S, Suresh AP, Mangal JL, Ng ND, Sundem A, Behbahani HS, Rubino TE, Shi X, Loa ST, Yaron JR, Hitosugi T, Green M, Gu H, Curtis M, Acharya AP. Succinate based polymers drive immunometabolism in dendritic cells to generate cancer immunotherapy. J Control Release 2023; 358:541-554. [PMID: 37182805 PMCID: PMC10324539 DOI: 10.1016/j.jconrel.2023.05.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/09/2023] [Accepted: 05/10/2023] [Indexed: 05/16/2023]
Abstract
Boosting the metabolism of immune cells while restricting cancer cell metabolism is challenging. Herein, we report that using biomaterials for the controlled delivery of succinate metabolite to phagocytic immune cells activates them and modulates their metabolism in the presence of metabolic inhibitors. In young immunocompetent mice, polymeric microparticles, with succinate incorporated in the backbone, induced strong pro-inflammatory anti-melanoma responses. Administration of poly(ethylene succinate) (PES MP)-based vaccines and glutaminase inhibitor to young immunocompetent mice with aggressive and large, established B16F10 melanoma tumors increased their survival three-fold, a result of increased cytotoxic T cells expressing RORγT (Tc17). Mechanistically, PES MPs directly modulate glutamine and glutamate metabolism, upregulate succinate receptor SUCNR1, activate antigen presenting cells through and HIF-1alpha, TNFa and TSLP-signaling pathways, and are dependent on alpha-ketoglutarate dehydrogenase for their activity, which demonstrates correlation of succinate delivery and these pathways. Overall, our findings suggest that immunometabolism-modifying PES MP strategies provide an approach for developing robust cancer immunotherapies.
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Affiliation(s)
- Sahil Inamdar
- Chemical Engineering, School for the Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ 85281, USA; Department of Immunology, Mayo Clinic, Scottsdale, AZ 85259, USA
| | - Abhirami P Suresh
- Biological Design, School for the Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ 85281, USA
| | - Joslyn L Mangal
- Biological Design, School for the Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ 85281, USA
| | - Nathan D Ng
- Molecular Biosciences and Biotechnology, The College of Liberal Arts and Sciences, Arizona State University, Tempe, AZ 85281, USA
| | - Alison Sundem
- Chemical Engineering, School for the Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ 85281, USA
| | - Hoda Shokrollahzadeh Behbahani
- Chemical Engineering, School for the Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ 85281, USA
| | - Thomas E Rubino
- Department of Cancer Biology, Mayo Clinic, Scottsdale, AZ 85259, USA; College of Medicine and Science, Mayo Clinic, Scottsdale, AZ 85259, USA
| | - Xiaojian Shi
- College of Health Solutions, Arizona State University, Phoenix, AZ 85004, USA
| | - Sharon T Loa
- Department of Oncology, Mayo Clinic, Rochester, MN 55905, USA
| | - Jordan R Yaron
- Biological Design, School for the Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ 85281, USA
| | - Taro Hitosugi
- Department of Oncology, Mayo Clinic, Rochester, MN 55905, USA
| | - Matthew Green
- Chemical Engineering, School for the Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ 85281, USA; Biomedical Engineering, School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ 85281, USA
| | - Haiwei Gu
- College of Health Solutions, Arizona State University, Phoenix, AZ 85004, USA; Center for Translational Science, Florida International University, Port St. Lucie, FL 34987, USA
| | - Marion Curtis
- Department of Oncology, Mayo Clinic, Rochester, MN 55905, USA; Department of Cancer Biology, Mayo Clinic, Scottsdale, AZ 85259, USA; College of Medicine and Science, Mayo Clinic, Scottsdale, AZ 85259, USA
| | - Abhinav P Acharya
- Chemical Engineering, School for the Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ 85281, USA; Biological Design, School for the Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, AZ 85281, USA; Biomedical Engineering, School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ 85281, USA; Materials Science and Engineering, School for the Engineering of Matter, Transport, and energy, Arizona State University, Tempe, AZ 85281, USA; Biodesign Center for Immunotherapy, Vaccines and Virotherapy, Arizona State University, Tempe, AZ 85281, USA; Biodesign Center for Biomaterials Innovation and Translation.
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14
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Bourque J, Hawiger D. Activation, Amplification, and Ablation as Dynamic Mechanisms of Dendritic Cell Maturation. BIOLOGY 2023; 12:biology12050716. [PMID: 37237529 DOI: 10.3390/biology12050716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 05/07/2023] [Accepted: 05/11/2023] [Indexed: 05/28/2023]
Abstract
T cell responses to cognate antigens crucially depend on the specific functionality of dendritic cells (DCs) activated in a process referred to as maturation. Maturation was initially described as alterations of the functional status of DCs in direct response to multiple extrinsic innate signals derived from foreign organisms. More recent studies, conducted mainly in mice, revealed an intricate network of intrinsic signals dependent on cytokines and various immunomodulatory pathways facilitating communication between individual DCs and other cells for the orchestration of specific maturation outcomes. These signals selectively amplify the initial activation of DCs mediated by innate factors and dynamically shape DC functionalities by ablating DCs with specific functions. Here, we discuss the effects of the initial activation of DCs that crucially includes the production of cytokine intermediaries to collectively achieve amplification of the maturation process and further precise sculpting of the functional landscapes among DCs. By emphasizing the interconnectedness of the intracellular and intercellular mechanisms, we reveal activation, amplification, and ablation as the mechanistically integrated components of the DC maturation process.
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Affiliation(s)
- Jessica Bourque
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO 63104, USA
| | - Daniel Hawiger
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO 63104, USA
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15
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Li H, Xie X, Liu H, Zhang L, Qiang D, Li L, He YT, Bai G. Analysis of protein expression changes in patients with prediabetes using proteomics approaches. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2023; 37:e9448. [PMID: 36460301 DOI: 10.1002/rcm.9448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 11/11/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
RATIONALE Proteomics and metabolomics are widely used in the study of diabetes, but rarely in prediabetes research. This study aimed to explore the mechanisms of early-onset type 2 diabetes mellitus (T2DM) by analyzing proteomic changes at different stages of glucose metabolism. METHODS A total of 40 individuals undergoing routine physical health examinations between December 2016 and April 2017 were enrolled. Subjects were divided into four groups based on fasting blood glucose (FPG) levels: FPG < 5.6 mmol/L (group A); FPG ≥ 5.6 mmol/L and <6.1 mmol/L (group B); FPG ≥ 6.1 mmol/L and <7.0 mmol/L (group C); and FPG ≥ 7.0 mmol/L (group D). Each group had 10 cases. Sera from these 40 subjects were analyzed by label-free quantitative liquid chromatography coupled with tandem mass spectrometry (LC/MS/MS). LC/MS/MS with selected reaction monitoring mode was also performed for qualitative and quantitative metabolomics analysis. Differentially expressed proteins were identified. Partial least squares discriminant analysis (PLS-DA) and orthogonal partial least squares discriminant analysis (OPLS-DA) were used to analyze the differentially expressed metabolites. RESULTS A total of 202 differentially expressed proteins were screened and were identified as mainly secreted proteins. Comparing group A with group B, 32 proteins were up-regulated and 18 proteins were down-regulated. Comparing group A with group C, 24 proteins were up-regulated and 24 proteins were down-regulated. Comparing group A with group D, 19 proteins were up-regulated and 17 proteins were down-regulated. The fold change for up-regulated proteins was >1.2, p < 0.05, while the fold change for down-regulated proteins was <-1.2, p < 0.05. PLS-DA and OPLS-DA revealed 113 differentially expressed metabolites. Correlation analysis of differentially expressed metabolites of group A versus group B revealed that among the down-regulated differential proteins, transforming growth factor β-induced protein ig-h3 correlated negatively with metabolite L-saccharin, while among the up-regulated differential proteins, apolipoprotein C-IV correlated negatively with metabolite 3-methyloxindole. Among all differentially expressed proteins, 19 proteins were associated with early initiation of chronic inflammation, including CD14 and CSF-1R, which were newly identified in the early onset of T2DM. CONCLUSIONS Many proteins are differentially expressed between prediabetes and after T2DM diagnosis, although the specific mechanism remains unclear. The expression level of CD14 was significantly up-regulated and that of CSF-1R was significantly down-regulated when FPG was ≥5.6 mmol/L, suggesting that CD14 and CSF-1R may be important markers for early-onset T2DM and may serve as new targets for T2DM treatment.
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Affiliation(s)
- Huan Li
- Department of Endocrinology, First People's Hospital of Yinchuan, Yinchuan, China
| | - Xiaomin Xie
- Department of Endocrinology, First People's Hospital of Yinchuan, Yinchuan, China
| | - Huili Liu
- Department of Endocrinology, First People's Hospital of Yinchuan, Yinchuan, China
| | - Li Zhang
- Department of Endocrinology, First People's Hospital of Yinchuan, Yinchuan, China
| | - Dan Qiang
- Department of Endocrinology, First People's Hospital of Yinchuan, Yinchuan, China
| | - Ling Li
- Department of Endocrinology, First People's Hospital of Yinchuan, Yinchuan, China
| | - Yan Ting He
- Department of Endocrinology, First People's Hospital of Yinchuan, Yinchuan, China
| | - Guirong Bai
- Department of Endocrinology, First People's Hospital of Yinchuan, Yinchuan, China
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16
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Bourque J, Hawiger D. Life and death of tolerogenic dendritic cells. Trends Immunol 2023; 44:110-118. [PMID: 36599743 PMCID: PMC9892261 DOI: 10.1016/j.it.2022.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/07/2022] [Accepted: 12/08/2022] [Indexed: 01/03/2023]
Abstract
In contrast to conventional dendritic cells (cDCs) that are constantly exposed to microbial signals at anatomical barriers, cDCs in systemic lymphoid organs are sheltered from proinflammatory stimulation in the steady state but respond to inflammatory signals by gaining specific immune functions in a process referred to as maturation. Recent findings show that, during maturation, a population of systemic tolerogenic cDCs undergoes an acute tumor necrosis factor α (TNFα)-mediated cell death, resulting in the loss of tolerance-inducing capacity. This tolerogenic cDC population is restored upon return to the homeostatic baseline. We propose that such a dynamic reshaping of cDC populations becomes the foundation of a novel framework for maintaining tolerance at the steady state while being conducive to unhampered initiation of immune responses under proinflammatory conditions.
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Affiliation(s)
- Jessica Bourque
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St Louis, MO, USA
| | - Daniel Hawiger
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St Louis, MO, USA.
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17
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Gelevski D, Addy G, Rohrer M, Cohen C, Roderick A, Winter A, Carey J, Scalia J, Yerton M, Weber H, Doyle M, Parikh N, Kane G, Ellrodt A, Burke K, D'Agostino D, Sinani E, Yu H, Sherman A, Agosti J, Redlich G, Charmley P, Crowe D, Appleby M, Ziegelaar B, Hanus K, Li Z, Babu S, Nicholson K, Luppino S, Berry J, Baecher-Allan C, Paganoni S, Cudkowicz M. Safety and activity of anti-CD14 antibody IC14 (atibuclimab) in ALS: Experience with expanded access protocol. Muscle Nerve 2022; 67:354-362. [PMID: 36533976 DOI: 10.1002/mus.27775] [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: 07/04/2022] [Revised: 12/09/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022]
Abstract
INTRODUCTION/AIMS IC14 (atibuclimab) is a monoclonal anti-CD14 antibody. A previous phase 1 trial of 10 participants with amyotrophic lateral sclerosis (ALS) demonstrated initial safety of IC14 in an acute treatment setting. We provided long-term treatment with IC14 to individuals with ALS via an expanded access protocol (EAP) and documented target engagement, biomarker, safety, and disease endpoints. METHODS Participants received intravenous IC14 every 2 weeks. Consistent with United States Food and Drug Administration guidelines, participants were not eligible for clinical trials and the EAP was inclusive of a broad population. Whole blood and serum were collected to determine monocyte CD14 receptor occupancy (RO), IC14 levels, and antidrug antibodies. Ex vivo T-regulatory functional assays were performed in a subset of participants. RESULTS Seventeen participants received IC14 for up to 103 weeks (average, 30.1 weeks; range, 1 to 103 weeks). Treatment-emergent adverse events (TEAEs) were uncommon, mild, and self-limiting. There were 18 serious adverse events (SAEs), which were related to disease progression and unrelated or likely unrelated to IC14. Three participants died due to disease progression. Monocyte CD14 RO increased for all participants after IC14 infusion. One individual required more frequent dosing (every 10 days) to achieve over 80% RO. Antidrug antibodies were detected in only one participant and were transient, low titer, and non-neutralizing. DISCUSSION Administration of IC14 in ALS was safe and well-tolerated in this intermediate-size EAP. Measuring RO guided dosing frequency. Additional placebo-controlled trials are required to determine the efficacy of IC14 in ALS.
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Affiliation(s)
- Dario Gelevski
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Grace Addy
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Margot Rohrer
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Caroline Cohen
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Aimee Roderick
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Allison Winter
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Judith Carey
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Jennifer Scalia
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Megan Yerton
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Harli Weber
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Michael Doyle
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Neil Parikh
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Geli Kane
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Amy Ellrodt
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Katherine Burke
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Derek D'Agostino
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | | | - Hong Yu
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Alexander Sherman
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Jan Agosti
- Implicit Bioscience, Ltd, Brisbane, Australia
| | | | | | - David Crowe
- Implicit Bioscience, Ltd, Brisbane, Australia
| | | | | | - Katherine Hanus
- Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Zhenhua Li
- Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Suma Babu
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Katharine Nicholson
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Sarah Luppino
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - James Berry
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Clare Baecher-Allan
- Department of Neurology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Sabrina Paganoni
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States.,Department of Physical Medicine and Rehabilitation, Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | - Merit Cudkowicz
- Department of Neurology, Sean M. Healey and AMG Center for ALS and the Neurological Clinical Research Institute, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, United States
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18
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Babel N, Hugo C, Westhoff TH. Vaccination in patients with kidney failure: lessons from COVID-19. Nat Rev Nephrol 2022; 18:708-723. [PMID: 35999285 PMCID: PMC9397175 DOI: 10.1038/s41581-022-00617-5] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/27/2022] [Indexed: 02/06/2023]
Abstract
Infection is the second leading cause of death in patients with chronic kidney disease (CKD). Adequate humoral (antibody) and cellular (T cell-driven) immunity are required to minimize pathogen entry and promote pathogen clearance to enable infection control. Vaccination can generate cellular and humoral immunity against specific pathogens and is used to prevent many life-threatening infectious diseases. However, vaccination efficacy is diminished in patients with CKD. Premature ageing of the immune system and chronic systemic low-grade inflammation are the main causes of immune alteration in these patients. In the case of SARS-CoV-2 infection, COVID-19 can have considerable detrimental effects in patients with CKD, especially in those with kidney failure. COVID-19 prevention through successful vaccination is therefore paramount in this vulnerable population. Although patients receiving dialysis have seroconversion rates comparable to those of patients with normal kidney function, most kidney transplant recipients could not generate humoral immunity after two doses of the COVID-19 vaccine. Importantly, some patients who were not able to produce antibodies still had a detectable vaccine-specific T cell response, which might be sufficient to prevent severe COVID-19. Correlates of protection against SARS-CoV-2 have not been established for patients with kidney failure, but they are urgently needed to enable personalized vaccination regimens.
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Affiliation(s)
- Nina Babel
- Medical Department I, Marien Hospital Herne, University Hospital of the Ruhr-University Bochum, Herne, Germany.
- Center for Translational Medicine and Immune Diagnostics Laboratory, Marien Hospital Herne, University Hospital of the Ruhr-University Bochum, Herne, Germany.
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin Center for Advanced Therapies (BeCAT) and Berlin Institute of Health, Berlin, Germany.
| | - Christian Hugo
- Medizinische Klinik und Poliklinik III, Universitätsklinikum, Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Timm H Westhoff
- Medical Department I, Marien Hospital Herne, University Hospital of the Ruhr-University Bochum, Herne, Germany
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19
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Human complete NFAT1 deficiency causes a triad of joint contractures, osteochondromas, and B-cell malignancy. Blood 2022; 140:1858-1874. [PMID: 35789258 DOI: 10.1182/blood.2022015674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 06/20/2022] [Indexed: 11/20/2022] Open
Abstract
The discovery of humans with monogenic disorders has a rich history of generating new insights into biology. Here we report the first human identified with complete deficiency of nuclear factor of activated T cells 1 (NFAT1). NFAT1, encoded by NFATC2, mediates calcium-calcineurin signals that drive cell activation, proliferation, and survival. The patient is homozygous for a damaging germline NFATC2 variant (c.2023_2026delTACC; p.Tyr675Thrfs∗18) and presented with joint contractures, osteochondromas, and recurrent B-cell lymphoma. Absence of NFAT1 protein in chondrocytes caused enrichment in prosurvival and inflammatory genes. Systematic single-cell-omic analyses in PBMCs revealed an environment that promotes lymphomagenesis with accumulation of naïve B cells (enriched for oncogenic signatures MYC and JAK1), exhausted CD4+ T cells, impaired T follicular helper cells, and aberrant CD8+ T cells. This work highlights the pleiotropic role of human NFAT1, will empower the diagnosis of additional patients with NFAT1 deficiency, and further defines the detrimental effects associated with long-term use of calcineurin inhibitors.
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20
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Colombo M, Marongiu L, Mingozzi F, Marzi R, Cigni C, Facchini FA, Rotem R, Valache M, Stucchi G, Rocca G, Gornati L, Rizzuto MA, Salvioni L, Zanoni I, Gori A, Prosperi D, Granucci F. Specific immunosuppressive role of nanodrugs targeting calcineurin in innate myeloid cells. iScience 2022; 25:105042. [PMID: 36124235 PMCID: PMC9482116 DOI: 10.1016/j.isci.2022.105042] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 05/04/2022] [Accepted: 08/25/2022] [Indexed: 11/27/2022] Open
Abstract
Calcineurin (CN) inhibitors currently used to avoid transplant rejection block the activation of adaptive immune responses but also prevent the development of tolerance toward the graft, by directly inhibiting T cells. CN, through the transcription factors of the NFAT family, plays an important role also in the differentiation dendritic cells (DCs), the main cells responsible for the activation of T lymphocytes. Therefore, we hypothesized that the inhibition of CN only in DCs and not in T cells could be sufficient to prevent T cell responses, while allowing for the development of tolerance. Here, we show that inhibition of CN/NFAT pathway in innate myeloid cells, using a new nanoconjugate capable of selectively targeting phagocytes in vivo, protects against graft rejection and induces a longer graft acceptance compared to common CN inhibitors. We propose a new generation of nanoparticles-based selective immune suppressive agents for a better control of transplant acceptance. Calcineurin/NFATc2 pathway is required to enable DC migration to draining lymph nodes Calcineurin/NFATc2 pathway in DCs is required for type I immune responses activation Superparamagnetic iron oxide NPs can be used to efficiently target phagocytes in vivo Specific delivery of calcineurin inhibitor by NPs to phagocytes induce graft acceptance
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Affiliation(s)
- Miriam Colombo
- Department of Biotechnology and Biosciences, University of Milano - Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Laura Marongiu
- Department of Biotechnology and Biosciences, University of Milano - Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Francesca Mingozzi
- Department of Biotechnology and Biosciences, University of Milano - Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Roberta Marzi
- Humabs BioMed, Bellinzona, Canton Ticino, Switzerland
| | - Clara Cigni
- Department of Biotechnology and Biosciences, University of Milano - Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Fabio Alessandro Facchini
- Department of Biotechnology and Biosciences, University of Milano - Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Rany Rotem
- Department of Biotechnology and Biosciences, University of Milano - Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Mihai Valache
- Department of Biotechnology and Biosciences, University of Milano - Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Giulia Stucchi
- Department of Biotechnology and Biosciences, University of Milano - Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Giuseppe Rocca
- Department of Biotechnology and Biosciences, University of Milano - Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Laura Gornati
- Department of Biotechnology and Biosciences, University of Milano - Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Maria Antonietta Rizzuto
- Department of Biotechnology and Biosciences, University of Milano - Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Lucia Salvioni
- Department of Biotechnology and Biosciences, University of Milano - Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Ivan Zanoni
- Harvard Medical School and Division of Immunology, Division of Gastroenterology, Boston Children’s Hospital, Boston, MA 02115, USA
| | - Alessandro Gori
- Istituto di Scienze e Tecnologie Chimiche, National Research Council of Italy (SCITEC-CNR), Via Mario Bianco, 9, 20131 Milan, Italy
| | - Davide Prosperi
- Department of Biotechnology and Biosciences, University of Milano - Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
- Corresponding author
| | - Francesca Granucci
- Department of Biotechnology and Biosciences, University of Milano - Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
- Corresponding author
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21
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Kerr AW, Efron PA, Larson SD, Rincon JC. T-Cell Activation and LPS: A Dangerous Duo for Organ Dysfunction. J Leukoc Biol 2022; 112:219-220. [PMID: 35481682 DOI: 10.1002/jlb.3ce0122-019r] [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: 02/23/2022] [Revised: 03/22/2022] [Accepted: 03/27/2022] [Indexed: 11/09/2022] Open
Abstract
Lipopolysaccharide (LPS), one of the main components of cell membranes in gram-negative bacteria, is commonly used to promote inflammation-induced organ dysfunction. In the TLR4/LPS pathway, LPS binding protein and CD14 enable lipid A of LPS to be recognized by the TLR4-MD2 receptor complex. The intracellular domain of the TLR4/LPS complex stimulates MyD88-dependent/independent and TRIF-dependent pathways, which in turn activate NF-B and IRF3, leading to subsequent production of pro-inflammatory mediators. LPS has been demonstrated to induce microcirculatory disturbances via promotion of leukocyte adhesion to the vascular endothelium and the release of reactive oxygen species (ROS), damaging the vessels and causing vascular dysfunction. Thus, LPS is frequently used as a systemic model of inflammation as LPS administration increases circulating pro-inflammatory mediators, which triggers leukocyte adhesion and leads to multi-organ failure and death.
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Affiliation(s)
- Austin W Kerr
- Sepsis and Critical Illness Research Center, Department of Surgery, University of Florida College of Medicine, Gainesville, FL
| | - Philip A Efron
- Sepsis and Critical Illness Research Center, Department of Surgery, University of Florida College of Medicine, Gainesville, FL
| | - Shawn D Larson
- Sepsis and Critical Illness Research Center, Department of Surgery, University of Florida College of Medicine, Gainesville, FL
| | - Jaimar C Rincon
- Sepsis and Critical Illness Research Center, Department of Surgery, University of Florida College of Medicine, Gainesville, FL
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22
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Tomasek K, Leithner A, Glatzova I, Lukesch MS, Guet CC, Sixt M. Type 1 piliated uropathogenic Escherichia coli hijack the host immune response by binding to CD14. eLife 2022; 11:78995. [PMID: 35881547 PMCID: PMC9359703 DOI: 10.7554/elife.78995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 07/19/2022] [Indexed: 11/13/2022] Open
Abstract
A key attribute of persistent or recurring bacterial infections is the ability of the pathogen to evade the host’s immune response. Many Enterobacteriaceae express type 1 pili, a pre-adapted virulence trait, to invade host epithelial cells and establish persistent infections. However, the molecular mechanisms and strategies by which bacteria actively circumvent the immune response of the host remain poorly understood. Here, we identified CD14, the major co-receptor for lipopolysaccharide detection, on mouse dendritic cells (DCs) as a binding partner of FimH, the protein located at the tip of the type 1 pilus of Escherichia coli. The FimH amino acids involved in CD14 binding are highly conserved across pathogenic and non-pathogenic strains. Binding of the pathogenic strain CFT073 to CD14 reduced DC migration by overactivation of integrins and blunted expression of co-stimulatory molecules by overactivating the NFAT (nuclear factor of activated T-cells) pathway, both rate-limiting factors of T cell activation. This response was binary at the single-cell level, but averaged in larger populations exposed to both piliated and non-piliated pathogens, presumably via the exchange of immunomodulatory cytokines. While defining an active molecular mechanism of immune evasion by pathogens, the interaction between FimH and CD14 represents a potential target to interfere with persistent and recurrent infections, such as urinary tract infections or Crohn’s disease.
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Affiliation(s)
- Kathrin Tomasek
- Institute of Science and Technology Austria, Klosterneuburg, Austria
| | | | - Ivana Glatzova
- Institute of Science and Technology Austria, Klosterneuburg, Austria
| | | | - Calin C Guet
- Institute of Science and Technology Austria, Klosterneuburg, Austria
| | - Michael Sixt
- Institute of Science and Technology Austria, Klosterneuburg, Austria
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23
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Chen L, Song M, Yao C. Calcineurin in development and disease. Genes Dis 2022; 9:915-927. [PMID: 35685477 PMCID: PMC9170610 DOI: 10.1016/j.gendis.2021.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 01/27/2021] [Accepted: 03/05/2021] [Indexed: 12/26/2022] Open
Abstract
Calcineurin (CaN) is a unique calcium (Ca2+) and calmodulin (CaM)-dependent serine/threonine phosphatase that becomes activated in the presence of increased intracellular Ca2+ level. CaN then functions to dephosphorylate target substrates including various transcription factors, receptors, and channels. Once activated, the CaN signaling pathway participates in the development of multiple organs as well as the onset and progression of various diseases via regulation of different cellular processes. Here, we review current literature regarding the structural and functional properties of CaN, highlighting its crucial role in the development and pathogenesis of immune system disorders, neurodegenerative diseases, kidney disease, cardiomyopathy and cancer.
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Affiliation(s)
- Lei Chen
- Department of Blood Transfusion, First Affiliated Hospital, The Third Military Medical University (Army Medical University), Chongqing 400038, PR China
| | - Min Song
- Department of Blood Transfusion, First Affiliated Hospital, The Third Military Medical University (Army Medical University), Chongqing 400038, PR China
| | - Chunyan Yao
- Department of Blood Transfusion, First Affiliated Hospital, The Third Military Medical University (Army Medical University), Chongqing 400038, PR China
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24
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Externalized phosphatidylinositides on apoptotic cells are eat-me signals recognized by CD14. Cell Death Differ 2022; 29:1423-1432. [PMID: 35017647 PMCID: PMC9287416 DOI: 10.1038/s41418-022-00931-2] [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: 07/19/2021] [Revised: 12/16/2021] [Accepted: 12/28/2021] [Indexed: 12/24/2022] Open
Abstract
Apoptotic cells are rapidly engulfed and removed by phagocytes after displaying cell surface eat-me signals. Among many phospholipids, only phosphatidylserine (PS) is known to act as an eat-me signal on apoptotic cells. Using unbiased proteomics, we identified externalized phosphatidylinositides (PIPs) as apoptotic eat-me signals recognized by CD14+ phagocytes. Exofacial PIPs on the surfaces of early and late-apoptotic cells were observed in patches and blebs using anti-PI(3,4,5)P3 antibody, AKT- and PLCδ PH-domains, and CD14 protein. Phagocytosis of apoptotic cells was blocked either by masking exofacial PIPs or by CD14 knockout in phagocytes. We further confirmed that exofacial PIP+ thymocytes increased dramatically after in vivo irradiation and that exofacial PIP+ cells represented more significant populations in tissues of Cd14−/− than WT mice, especially after induction of apoptosis. Our findings reveal exofacial PIPs to be previously unknown cell death signals recognized by CD14+ phagocytes.
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25
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Hematopoietic Stem and Progenitor Cell Maintenance and Multiple Lineage Differentiation Is an Integral Function of NFATc1. Cells 2022; 11:cells11132012. [PMID: 35805096 PMCID: PMC9265824 DOI: 10.3390/cells11132012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 06/21/2022] [Indexed: 12/10/2022] Open
Abstract
Hematopoietic stem and progenitor cell (HSPC) maintenance and the differentiation of various lineages is a highly complex but precisely regulated process. Multiple signaling pathways and an array of transcription factors influence HSPC maintenance and the differentiation of individual lineages to constitute a functional hematopoietic system. Nuclear factor of activated T cell (NFAT) family transcription factors have been studied in the context of development and function of multiple mature hematopoietic lineage cells. However, until now their contribution in HSPC physiology and HSPC differentiation to multiple hematopoietic lineages has remained poorly understood. Here, we show that NFAT proteins, specifically NFATc1, play an indispensable role in the maintenance of HSPCs. In the absence of NFATc1, very few HSPCs develop in the bone marrow, which are functionally defective. In addition to HSPC maintenance, NFATc1 also critically regulates differentiation of lymphoid, myeloid, and erythroid lineage cells from HSPCs. Deficiency of NFATc1 strongly impaired, while enhanced NFATc1 activity augmented, the differentiation of these lineages, which further attested to the vital involvement of NFATc1 in regulating hematopoiesis. Hematopoietic defects due to lack of NFATc1 activity can lead to severe pathologies such as lymphopenia, myelopenia, and a drastically reduced lifespan underlining the critical role NFATc1 plays in HSPC maintenance and in the differentaion of various lineages. Our findings suggest that NFATc1 is a critical component of the myriad signaling and transcriptional regulators that are essential to maintain normal hematopoiesis.
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26
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Tessaro FHG, Ko EY, De Simone M, Piras R, Broz MT, Goodridge HS, Balzer B, Shiao SL, Guarnerio J. Single-cell RNA-seq of a soft-tissue sarcoma model reveals the critical role of tumor-expressed MIF in shaping macrophage heterogeneity. Cell Rep 2022; 39:110977. [PMID: 35732118 PMCID: PMC9249098 DOI: 10.1016/j.celrep.2022.110977] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 03/23/2022] [Accepted: 05/25/2022] [Indexed: 12/02/2022] Open
Abstract
The standard of care is unsuccessful to treat recurrent and aggressive soft-tissue sarcomas. Interventions aimed at targeting components of the tumor microenvironment have shown promise for many solid tumors yet have been only marginally tested for sarcoma, partly because knowledge of the sarcoma microenvironment composition is limited. We employ single-cell RNA sequencing to characterize the immune composition of an undifferentiated pleiomorphic sarcoma mouse model, showing that macrophages in the sarcoma mass exhibit distinct activation states. Sarcoma cells use the pleiotropic cytokine macrophage migration inhibitory factor (MIF) to interact with macrophages expressing the CD74 receptor to switch macrophages’ activation state and pro-tumorigenic potential. Blocking the expression of MIF in sarcoma cells favors the accumulation of macrophages with inflammatory and antigen-presenting profiles, hence reducing tumor growth. These data may pave the way for testing new therapies aimed at re-shaping the sarcoma microenvironment, in combination with the standard of care. Macrophages are the main immune compartment of sarcoma. Tessaro et al. report that sarcoma cells interact with macrophages in specific transcriptional states through the soluble factor MIF. MIF signaling biases macrophage functional state and pro-tumorigenic potential. Blocking these interactions leads to differential enrichment of macrophage states and tumor reduction.
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Affiliation(s)
- Fernando H G Tessaro
- Department of Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Emily Y Ko
- Department of Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Marco De Simone
- Department of Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Roberta Piras
- Department of Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Marina T Broz
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Helen S Goodridge
- Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Research Division of Immunology, Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Bonnie Balzer
- Department of Pathology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Stephen L Shiao
- Department of Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Research Division of Immunology, Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA; David Geffen Medical School, Department of Medicine, UCLA, Los Angeles, CA, USA
| | - Jlenia Guarnerio
- Department of Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA; Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA; David Geffen Medical School, Department of Medicine, UCLA, Los Angeles, CA, USA.
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27
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Gallo C, Manzo E, Barra G, Fioretto L, Ziaco M, Nuzzo G, d'Ippolito G, Ferrera F, Contini P, Castiglia D, Angelini C, De Palma R, Fontana A. Sulfavant A as the first synthetic TREM2 ligand discloses a homeostatic response of dendritic cells after receptor engagement. Cell Mol Life Sci 2022; 79:369. [PMID: 35723745 PMCID: PMC9207826 DOI: 10.1007/s00018-022-04297-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 03/18/2022] [Accepted: 04/08/2022] [Indexed: 11/30/2022]
Abstract
OBJECTIVE The immune response arises from a fine balance of mechanisms that provide for surveillance, tolerance, and elimination of dangers. Sulfavant A (SULF A) is a sulfolipid with a promising adjuvant activity. Here we studied the mechanism of action of SULF A and addressed the identification of its molecular target in human dendritic cells (hDCs). METHODS Adjuvant effect and immunological response to SULF A were assessed on DCs derived from human donors. In addition to testing various reporter cells, target identification and downstream signalling was supported by a reverse pharmacology approach based on antibody blocking and gene silencing, crosstalk with TLR pathways, use of human allogeneic mixed lymphocyte reaction. RESULTS SULF A binds to the Triggering Receptor Expressed on Myeloid cells-2 (TREM2) and initiates an unconventional maturation of hDCs leading to enhanced migration activity and up-regulation of MHC and co-stimulatory molecules without release of conventional cytokines. This response involves the SYK-NFAT axis and is compromised by blockade or gene silencing of TREM2. Activation by SULF A preserved the DC functions to excite the allogeneic T cell response, and increased interleukin-10 release after lipopolysaccharide stimulation. CONCLUSION SULF A is the first synthetic small molecule that binds to TREM2. The receptor engagement drives differentiation of an unprecedented DC phenotype (homeDCs) that contributes to immune homeostasis without compromising lymphocyte activation and immunogenic response. This mechanism fully supports the adjuvant and immunoregulatory activity of SULF A. We also propose that the biological properties of SULF A can be of interest in various physiopathological mechanisms and therapies involving TREM2.
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Affiliation(s)
- Carmela Gallo
- Consiglio Nazionale delle Ricerche, Istituto di Chimica Biomolecolare, Via Campi Flegrei 34, 80078, Pozzuoli, Napoli, Italy.
| | - Emiliano Manzo
- Bio-Organic Chemistry Unit, Institute of Bio-Molecular Chemistry, National Research Council, Via Campi Flegrei 34, 80078, Pozzuoli, Italy
| | - Giusi Barra
- Bio-Organic Chemistry Unit, Institute of Bio-Molecular Chemistry, National Research Council, Via Campi Flegrei 34, 80078, Pozzuoli, Italy
| | - Laura Fioretto
- Consorzio Italbiotec, Via Fantoli, 16/15, 20138, Milan, Italy
| | - Marcello Ziaco
- BioSearch Srl., Villa Comunale c/o Stazione Zoologica "A. Dohrn", 80121, Naples, Italy
| | - Genoveffa Nuzzo
- Bio-Organic Chemistry Unit, Institute of Bio-Molecular Chemistry, National Research Council, Via Campi Flegrei 34, 80078, Pozzuoli, Italy
| | - Giuliana d'Ippolito
- Bio-Organic Chemistry Unit, Institute of Bio-Molecular Chemistry, National Research Council, Via Campi Flegrei 34, 80078, Pozzuoli, Italy
| | - Francesca Ferrera
- Department of Internal Medicine, University of Genova, Viale Benedetto XV 6, 16100, Genoa, Italy
| | - Paola Contini
- Department of Internal Medicine, University of Genova, Viale Benedetto XV 6, 16100, Genoa, Italy
| | - Daniela Castiglia
- Bio-Organic Chemistry Unit, Institute of Bio-Molecular Chemistry, National Research Council, Via Campi Flegrei 34, 80078, Pozzuoli, Italy
| | - Claudia Angelini
- Institute for Applied Mathematics "Mauro Picone", National Research Council, Via Pietro Castellino 111, 80131, Naples, Italy
| | - Raffaele De Palma
- Bio-Organic Chemistry Unit, Institute of Bio-Molecular Chemistry, National Research Council, Via Campi Flegrei 34, 80078, Pozzuoli, Italy.,Department of Internal Medicine, University of Genova, Viale Benedetto XV 6, 16100, Genoa, Italy
| | - Angelo Fontana
- Bio-Organic Chemistry Unit, Institute of Bio-Molecular Chemistry, National Research Council, Via Campi Flegrei 34, 80078, Pozzuoli, Italy. .,Department of Biology, University of Napoli "Federico II", Via Cupa Nuova Cinthia 21, 80126, Naples, Italy.
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28
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Iberg CA, Bourque J, Fallahee I, Son S, Hawiger D. TNF-α sculpts a maturation process in vivo by pruning tolerogenic dendritic cells. Cell Rep 2022; 39:110657. [PMID: 35417681 PMCID: PMC9113652 DOI: 10.1016/j.celrep.2022.110657] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 02/16/2022] [Accepted: 03/18/2022] [Indexed: 12/12/2022] Open
Abstract
It remains unclear how the pro-immunogenic maturation of conventional dendritic cells (cDCs) abrogates their tolerogenic functions. Here, we report that the loss of tolerogenic functions depends on the rapid death of BTLAhi cDC1s, which, in the steady state, are present in systemic peripheral lymphoid organs and promote tolerance that limits subsequent immune responses. A canonical inducer of maturation, lipopolysaccharide (LPS), initiates a burst of tumor necrosis factor alpha (TNF-α) production and the resultant acute death of BTLAhi cDC1s mediated by tumor necrosis factor receptor 1. The ablation of these individual tolerogenic cDCs is amplified by TNF-α produced by neighboring cells. This loss of tolerogenic cDCs is transient, accentuating the restoration of homeostatic conditions through biological turnover of cDCs in vivo. Therefore, our results reveal that the abrogation of tolerogenic functions during an acute immunogenic maturation depends on an ablation of the tolerogenic cDC population, resulting in a dynamic remodeling of the cDC functional landscape.
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Affiliation(s)
- Courtney A Iberg
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Jessica Bourque
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Ian Fallahee
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Sungho Son
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA
| | - Daniel Hawiger
- Department of Molecular Microbiology and Immunology, Saint Louis University School of Medicine, St. Louis, MO, USA.
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29
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Niu Z, Wang X, Xu Y, Li Y, Gong X, Zeng Q, Zhang B, Xi J, Pei X, Yue W, Han Y. Development and Validation of a Novel Survival Model for Cutaneous Melanoma Based on Necroptosis-Related Genes. Front Oncol 2022; 12:852803. [PMID: 35387121 PMCID: PMC8979066 DOI: 10.3389/fonc.2022.852803] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 02/25/2022] [Indexed: 12/16/2022] Open
Abstract
Background Necroptosis is crucial for organismal development and pathogenesis. To date, the role of necroptosis in skin cutaneous melanoma (SKCM) is yet unveiled. In addition, the part of melanin pigmentation was largely neglected in the bioinformatic analysis. In this study, we aimed to construct a novel prognostic model based on necroptosis-related genes and analysis the pigmentation phenotype of patients to provide clinically actionable information for SKCM patients. Methods We downloaded the SKCM data from the TCGA and GEO databases in this study and identified the differently expressed and prognostic necroptosis-related genes. Patients’ pigmentation phenotype was evaluated by the GSVA method. Then, using Lasso and Cox regression analysis, a novel prognostic model was constructed based on the intersected genes. The risk score was calculated and the patients were divided into two groups. The survival differences between the two groups were compared using Kaplan-Meier analysis. The ROC analysis was performed and the area under curves was calculated to evaluate the prediction performances of the model. Then, the GO, KEGG and GSEA analyses were performed to elucidate the underlying mechanisms. Differences in the tumor microenvironment, patients’ response to immune checkpoint inhibitors (ICIs) and pigmentation phenotype were analyzed. In order to validate the mRNA expression levels of the selected genes, quantitative real-time PCR (qRT-PCR) was performed. Results Altogether, a novel prognostic model based on four genes (BOK, CD14, CYLD and FASLG) was constructed, and patients were classified into high and low-risk groups based on the median risk score. Low-risk group patients showed better survival status. The model showed high accuracy in the training and the validation cohort. Pathway and functional enrichment analysis indicated that immune-related pathways were differently activated in the two groups. In addition, immune cells infiltration patterns and sensitivity of ICIs showed a significant difference between patients from two risk groups. The pigmentation score was positively related to the risk score in pigmentation phenotype analysis. Conclusion In conclusion, this study established a novel prognostic model based on necroptosis-related genes and revealed the possible connections between necroptosis and melanin pigmentation. It is expected to provide a reference for clinical treatment.
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Affiliation(s)
- Zehao Niu
- Medical School of Chinese PLA, Beijing, China.,Department of Plastic and Reconstructive Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Xin Wang
- Department of Ophthalmology, PLA Strategic Support Force Characteristic Medical Center, Beijing, China
| | - Yujian Xu
- Department of Plastic and Reconstructive Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yan Li
- Medical School of Chinese PLA, Beijing, China.,Department of Plastic and Reconstructive Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Xiaojing Gong
- Medical School of Chinese PLA, Beijing, China.,Department of Plastic and Reconstructive Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Quan Zeng
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, AMMS, Beijing, China.,South China Research Center for Stem Cell and Regenerative Medicine, SCIB, Guangzhou, China
| | - Biao Zhang
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, AMMS, Beijing, China.,South China Research Center for Stem Cell and Regenerative Medicine, SCIB, Guangzhou, China
| | - Jiafei Xi
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, AMMS, Beijing, China.,South China Research Center for Stem Cell and Regenerative Medicine, SCIB, Guangzhou, China.,Academy of Military Medical Sciences (AMMS), Academy of Military Sciences, Beijing, China
| | - Xuetao Pei
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, AMMS, Beijing, China.,South China Research Center for Stem Cell and Regenerative Medicine, SCIB, Guangzhou, China.,Academy of Military Medical Sciences (AMMS), Academy of Military Sciences, Beijing, China
| | - Wen Yue
- Stem Cell and Regenerative Medicine Lab, Institute of Health Service and Transfusion Medicine, AMMS, Beijing, China.,South China Research Center for Stem Cell and Regenerative Medicine, SCIB, Guangzhou, China.,Academy of Military Medical Sciences (AMMS), Academy of Military Sciences, Beijing, China
| | - Yan Han
- Department of Plastic and Reconstructive Surgery, The First Medical Center, Chinese PLA General Hospital, Beijing, China
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30
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Microbiota-dependent activation of the myeloid calcineurin-NFAT pathway inhibits B7H3- and B7H4-dependent anti-tumor immunity in colorectal cancer. Immunity 2022; 55:701-717.e7. [PMID: 35364006 DOI: 10.1016/j.immuni.2022.03.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 03/10/2022] [Accepted: 03/11/2022] [Indexed: 02/07/2023]
Abstract
Bacterial sensing by intestinal tumor cells contributes to tumor growth through cell-intrinsic activation of the calcineurin-NFAT axis, but the role of this pathway in other intestinal cells remains unclear. Here, we found that myeloid-specific deletion of calcineurin in mice activated protective CD8+ T cell responses and inhibited colorectal cancer (CRC) growth. Microbial sensing by myeloid cells promoted calcineurin- and NFAT-dependent interleukin 6 (IL-6) release, expression of the co-inhibitory molecules B7H3 and B7H4 by tumor cells, and inhibition of CD8+ T cell-dependent anti-tumor immunity. Accordingly, targeting members of this pathway activated protective CD8+ T cell responses and inhibited primary and metastatic CRC growth. B7H3 and B7H4 were expressed by the majority of human primary CRCs and metastases, which was associated with low numbers of tumor-infiltrating CD8+ T cells and poor survival. Therefore, a microbiota-, calcineurin-, and B7H3/B7H4-dependent pathway controls anti-tumor immunity, revealing additional targets for immune checkpoint inhibition in microsatellite-stable CRC.
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Juchem KW, Gounder AP, Gao JP, Seccareccia E, Yeddula N, Huffmaster NJ, Côté-Martin A, Fogal SE, Souza D, Wang SS, Glynn ERA, Yung I, Ritchie J, Li L, Zheng J, Mbow ML, Li J, Chanda SK. NFAM1 Promotes Pro-Inflammatory Cytokine Production in Mouse and Human Monocytes. Front Immunol 2022; 12:773445. [PMID: 35095847 PMCID: PMC8793151 DOI: 10.3389/fimmu.2021.773445] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 12/13/2021] [Indexed: 11/13/2022] Open
Abstract
NFAT activating protein with ITAM motif 1 (NFAM1) is an ITAM bearing-transmembrane receptor that has been reported to play a role in B cell signaling and development. We performed expression analysis of NFAM1 using publicly available gene expression data sets and found that NFAM1 expression is significantly induced in intestinal biopsies from Crohn’s disease (CD) and ulcerative colitis (UC) patients. At the cellular level, we further observed high expression of NFAM1 in monocytes and neutrophils, and low expression in B and T cells. To explore the role of NFAM1 in multiple immune cells and its potential role in IBD, we generated NFAM1-/- mice. In contrast with previous reports using NFAM1-transgenic mice, NFAM1-/- mice have no obvious defects in immune cell development, or B cell responses. Interestingly, NFAM1-/- monocytes produce reduced levels of TNF-α in response to activation by multiple IBD-relevant stimuli, including CD40L, TLR ligands and MDP. Additional cytokines and chemokines such as IL-6, IL-12, CCL3 and CCL4 are also reduced in CD40L stimulated NFAM1-/- monocytes. Collectively, these findings indicate that NFAM1 promotes monocyte activation, thereby amplifying the response to diverse stimuli. Similarly, we observed that deletion of NFAM1 in human monocytes reduces expression of CD40L-induced CCL4. Lastly, to assess the role of NFAM1 in IBD, we compared development of anti-CD40 induced colitis in NFAM1+/+ and NFAM1-/- mice. We found that although NFAM1 deletion had no impact on development of gut pathology, we did observe a decrease in serum TNF-α, confirming that NFAM1 promotes pro-inflammatory cytokine production in vivo. Taken together, we conclude that NFAM1 functions to amplify cytokine production and should be further evaluated as a therapeutic target for treatment of autoimmune disease.
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Affiliation(s)
- Kathryn W Juchem
- Department of Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Anshu P Gounder
- Immunity and Pathogenesis Program, Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, United States
| | - Jian Ping Gao
- Department of Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Elise Seccareccia
- Department of Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Narayana Yeddula
- Immunity and Pathogenesis Program, Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, United States
| | - Nicholas J Huffmaster
- Immunity and Pathogenesis Program, Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, United States
| | - Alexandra Côté-Martin
- Department of Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Steven E Fogal
- Department of Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Donald Souza
- Department of Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Sarah Sirui Wang
- Department of Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Elizabeth R A Glynn
- Department of Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Ivy Yung
- Department of Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Julie Ritchie
- Department of Biotherapeutics Discovery, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Li Li
- Department of Global Computational Biology and Digital Sciences, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Jie Zheng
- Department of Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - M Lamine Mbow
- Department of Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Jun Li
- Department of Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, United States
| | - Sumit K Chanda
- Immunity and Pathogenesis Program, Infectious and Inflammatory Disease Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, United States
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Vymazal O, Bendíčková K, De Zuani M, Vlková M, Hortová-Kohoutková M, Frič J. Immunosuppression Affects Neutrophil Functions: Does Calcineurin-NFAT Signaling Matter? Front Immunol 2021; 12:770515. [PMID: 34795676 PMCID: PMC8593005 DOI: 10.3389/fimmu.2021.770515] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 10/19/2021] [Indexed: 11/17/2022] Open
Abstract
Neutrophils are innate immune cells with important roles in antimicrobial defense. However, impaired or dysregulated neutrophil function can result in host tissue damage, loss of homeostasis, hyperinflammation or pathological immunosuppression. A central link between neutrophil activation and immune outcomes is emerging to be the calcineurin-nuclear factor of activated T cells (NFAT) signaling pathway, which is activated by neutrophil detection of a microbial threat via pattern recognition receptors and results in inflammatory cytokine production. This potent pro-inflammatory pathway is also the target of several immunosuppressive drugs used for the treatment of autoimmune disorders, during solid organ and hematopoietic cell transplantations, and as a part of anti-cancer therapy: but what effects these drugs have on neutrophil function, and their broader consequences for immune homeostasis and microbial defense are not yet known. Here, we bring together the emerging literature describing pathology- and drug- induced neutrophil impairment, with particular focus on their effects on calcineurin-NFAT signaling in the innate immune compartment.
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Affiliation(s)
- Ondřej Vymazal
- International Clinical Research Center, St. Anne's University Hospital, Brno, Czechia.,Department of Biology, Faculty of Medicine, Masaryk University, Brno, Czechia
| | - Kamila Bendíčková
- International Clinical Research Center, St. Anne's University Hospital, Brno, Czechia
| | - Marco De Zuani
- International Clinical Research Center, St. Anne's University Hospital, Brno, Czechia
| | - Marcela Vlková
- Department of Clinical Immunology and Allergology, Faculty of Medicine, Masaryk University, Brno, Czechia.,Department of Clinical Immunology and Allergology, St. Anne´s University Hospital, Brno, Czechia
| | | | - Jan Frič
- International Clinical Research Center, St. Anne's University Hospital, Brno, Czechia.,Department of Modern Immunotherapy, Institute of Hematology and Blood Transfusion, Prague, Czechia
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Casas J, Meana C, López-López JR, Balsinde J, Balboa MA. Lipin-1-derived diacylglycerol activates intracellular TRPC3 which is critical for inflammatory signaling. Cell Mol Life Sci 2021; 78:8243-8260. [PMID: 34757442 PMCID: PMC8629864 DOI: 10.1007/s00018-021-03999-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 09/28/2021] [Accepted: 10/14/2021] [Indexed: 11/18/2022]
Abstract
Exposure to Gram-negative bacterial LPS exacerbates host immune responses and may lead to sepsis, a life-threatening condition. Despite its high mortality and morbidity, no drugs specifically directed to treating sepsis are currently available. Using human cell genetic depletion, pharmacological inhibition, live-cell microscopy and organelle-targeted molecular sensors we present evidence that the channel TRPC3 is activated intracellularly during macrophage exposure to LPS and is essential for Ca2+ release from internal stores. In this manner, TRPC3 participates in cytosolic Ca2+ elevations, activation of the transcription factor NF-κB and cytokine upregulation. We also report that TRPC3 is activated by diacylglycerol generated by the phosphatidic acid phosphatase lipin-1. In accord with this, lipin-1-deficient cells exhibit reduced Ca2+ responses to LPS challenge. Finally, pharmacological inhibition of TRPC3 reduces systemic inflammation induced by LPS in mice. Collectively, our study unveils a central component of LPS-triggered Ca2+ signaling that involves intracellular sensing of lipin-1-derived DAG by TRPC3, and opens new opportunities for the development of strategies to treat LPS-driven inflammation.
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Affiliation(s)
- Javier Casas
- Instituto de Biología y Genética Molecular, Consejo Superior de Investigaciones Científicas (CSIC), Valladolid, Spain. .,Departamento de Bioquímica y Biología Molecular y Fisiología, Facultad de Medicina, Universidad de Valladolid, 47003, Valladolid, Spain.
| | - Clara Meana
- Instituto de Biología y Genética Molecular, Consejo Superior de Investigaciones Científicas (CSIC), Valladolid, Spain.,Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), 28029, Madrid, Spain
| | - José Ramón López-López
- Instituto de Biología y Genética Molecular, Consejo Superior de Investigaciones Científicas (CSIC), Valladolid, Spain.,Departamento de Bioquímica y Biología Molecular y Fisiología, Facultad de Medicina, Universidad de Valladolid, 47003, Valladolid, Spain
| | - Jesús Balsinde
- Instituto de Biología y Genética Molecular, Consejo Superior de Investigaciones Científicas (CSIC), Valladolid, Spain.,Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), 28029, Madrid, Spain
| | - María A Balboa
- Instituto de Biología y Genética Molecular, Consejo Superior de Investigaciones Científicas (CSIC), Valladolid, Spain. .,Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), 28029, Madrid, Spain.
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Ruiz-Jiménez C, Celias D, Valdés B, Ramos-Pérez WD, Cervi L, Espino AM. Fasciola hepatica fatty acid binding protein (Fh12) induces apoptosis and tolerogenic properties in murine bone marrow derived dendritic cells. Exp Parasitol 2021; 231:108174. [PMID: 34752732 DOI: 10.1016/j.exppara.2021.108174] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 08/11/2021] [Accepted: 10/31/2021] [Indexed: 11/29/2022]
Abstract
In a previous study we demonstrated that Fasciola hepatica fatty acid binding protein (Fh12) significantly suppress macrophage function by inhibiting IL-6, IL-1β, tumor necrosis factor (TNF)-α and IL-12 production in TLR4-stimulated murine macrophages, an effect mediated through the signaling of CD14 co-receptor without affecting the viability of these cells. Given that dendritic cells (DCs) are immune cells that play a central role in the initiation of primary immune responses and that are the only antigen-presenting cells capable of stimulating naïve T-cells, in the present study we investigated the effect of Fh12 on DCs. We found that Fh12 exerts a strong suppressive effect on activation and function of DCs. However, in contrast to the effect observed on macrophages, Fh12 induces early and late apoptosis of DCs being this phenomenon dose-dependent and CD14-coreceptor independent. At low concentration Fh12 modulates the LPS-induced DCs maturation status by suppressing the MHC-II, and co-stimulatory molecules CD40 and CD80 surface expression together with the pro-inflammatory cytokines IL-12p70 and IL-6 production whereas increase the IL-10 levels. Besides, Fh12 decreased the ability of LPS-activated DCs to induce IFN-γ production against allogeneic splenocytes, while increasing IL-4 production. We have described for the first time the ability of Fh12 to modify selectively the viability of DCs by apoptosis induction. The selective diminution in DCs survival could be a F. hepatica strategy in order to prevent a host immune response during the earliest phases of infection.
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Affiliation(s)
- Caleb Ruiz-Jiménez
- Laboratory of Immunology and Molecular Parasitology, Department of Microbiology, University of Puerto Rico, School of Medicine, San Juan, PR, USA
| | - Daiana Celias
- Department of Clinical Biochemistry, Faculty of Chemical Sciences, National University of Cordoba, Argentina
| | - Bianca Valdés
- Department of Biology, University of Puerto Rico, Rio Piedras Campus, San Juan, PR, USA
| | - Willy D Ramos-Pérez
- Laboratory of Immunology and Molecular Parasitology, Department of Microbiology, University of Puerto Rico, School of Medicine, San Juan, PR, USA
| | - Laura Cervi
- Department of Clinical Biochemistry, Faculty of Chemical Sciences, National University of Cordoba, Argentina
| | - Ana M Espino
- Laboratory of Immunology and Molecular Parasitology, Department of Microbiology, University of Puerto Rico, School of Medicine, San Juan, PR, USA.
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35
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CCCH-zinc finger antiviral protein relieves immunosuppression of T cell induced by avian leukosis virus subgroup J via NLP-PKC-δ-NFAT pathway. J Virol 2021; 96:e0134421. [PMID: 34705559 DOI: 10.1128/jvi.01344-21] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
CCCH-zinc finger antiviral protein (ZAP) can recognize and induce the degradation of mRNAs and proteins of certain viruses, as well as exert its antiviral activity by activating T cell. However, the mechanism of ZAP mediating T cell activation during virus infection remains unclear. Here, we found a potential function of ZAP that relieves immunosuppression of T cell induced by avian leukosis virus subgroup J (ALV-J) via a novel signaling pathway that involves norbin like protein (NLP), protein kinase C delta (PKC-δ) and nuclear factor of activated T cell (NFAT). Specifically, ZAP expression activated T cells by promoting the dephosphorylation and nuclear translocation of NFAT. Furthermore, knockdown of ZAP weakened the reactivity and antiviral response of T cells. Mechanistically, ZAP reduced PKC-δ activity by up-regulating and reactivating NLP through competitively binding with viral protein. Knockdown of NLP decreased the dephosphorylation of PKC-δ by ZAP expression. Moreover, we showed that knockdown of PKC-δ reduced the phosphorylation levels of NFAT and enhanced its nuclear translocation. Taken together, these data revealed that ZAP relieves immunosuppression caused by ALV-J and mediates T cell activation through NLP-PKC-δ-NFAT pathway. Importance The evolution of host defense system is driven synchronously in the process of resisting virus invasion. Accordingly, host innate defense factors exert effectively work in suppressing virus replication. However, it remains unclear that whether the host innate defense factors are involved in antiviral immune response against the invasion of immunosuppressive viruses. Here, we found that CCCH-type zinc finger antiviral protein (ZAP) effectively worked in resistance on immunosuppression caused by avian leukosis virus subgroup J (ALV-J), a classic immunosuppressive virus. Evidence showed that ZAP released the phosphatase activity of NLP inhibited by ALV-J and further activated NFAT by inactivating PKC-δ. This novel molecular mechanism that ZAP regulates antiviral immune response by mediating NLP-PKC-δ-NFAT pathway has greatly enriched the understanding of the functions of host innate defense factors and provided important scientific ideas and theoretical basis for the research of immunosuppressive virus and antiviral immunity.
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36
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How dendritic cells sense and respond to viral infections. Clin Sci (Lond) 2021; 135:2217-2242. [PMID: 34623425 DOI: 10.1042/cs20210577] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 09/15/2021] [Accepted: 09/23/2021] [Indexed: 12/26/2022]
Abstract
The ability of dendritic cells (DCs) to sense viral pathogens and orchestrate a proper immune response makes them one of the key players in antiviral immunity. Different DC subsets have complementing functions during viral infections, some specialize in antigen presentation and cross-presentation and others in the production of cytokines with antiviral activity, such as type I interferons. In this review, we summarize the latest updates concerning the role of DCs in viral infections, with particular focus on the complex interplay between DC subsets and severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). Despite being initiated by a vast array of immune receptors, DC-mediated antiviral responses often converge towards the same endpoint, that is the production of proinflammatory cytokines and the activation of an adaptive immune response. Nonetheless, the inherent migratory properties of DCs make them a double-edged sword and often viral recognition by DCs results in further viral dissemination. Here we illustrate these various aspects of the antiviral functions of DCs and also provide a brief overview of novel antiviral vaccination strategies based on DCs targeting.
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Shin N, Jung N, Lee SE, Kong D, Kim NG, Kook MG, Park H, Choi SW, Lee S, Kang KS. Pimecrolimus interferes the therapeutic efficacy of human mesenchymal stem cells in atopic dermatitis by regulating NFAT-COX2 signaling. Stem Cell Res Ther 2021; 12:482. [PMID: 34454603 PMCID: PMC8399851 DOI: 10.1186/s13287-021-02547-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 08/08/2021] [Indexed: 11/10/2022] Open
Abstract
Background Human mesenchymal stem cells (hMSCs) therapy has recently been considered a promising treatment for atopic dermatitis (AD) due to their immunomodulation and tissue regeneration ability. In our previous studies, we demonstrated that hMSCs alleviate allergic inflammation in murine AD model by inhibiting the activation of mast cells and B cells. Also our phase I/IIa clinical trial showed clinical efficacy and safety of hMSCs in moderate-to-severe adult AD patients. However, hMSCs therapy against atopic dermatitis have had poor results in clinical field. Therefore, we investigated the reason behind this result. We hypothesized that drug–cell interaction could interfere with the therapeutic efficacy of stem cells, and investigated whether coadministration with pimecrolimus, one of the topical calcineurin inhibitors, could influence the therapeutic potential of human umbilical cord blood mesenchymal stem cells (hUCB-MSCs) in AD. Methods hUCB-MSCs were subcutaneously injected to AD-induced mice with or without pimecrolimus topical application. To examine whether pimecrolimus influenced the immunomodulatory activity of hUCB-MSCs, hUCB-MSCs were treated with pimecrolimus. Results Pimecrolimus disturbed the therapeutic effect of hUCB-MSCs when they were co-administered in murine AD model. Moreover, the inhibitory functions of hUCB-MSCs against type 2 helper T (Th2) cell differentiation and mast cell activation were also deteriorated by pimecrolimus treatment. Interestingly, we found that pimecrolimus decreased the production of PGE2, one of the most critical immunomodulatory factors in hUCB-MSCs. And we demonstrated that pimecrolimus downregulated COX2-PGE2 axis by inhibiting nuclear translocation of NFAT3. Conclusions Coadministration of pimecrolimus with hMSCs could interfere with the therapeutic efficacy of hMSCs in atopic dermatitis, and this is the first study that figured out the interaction of hMSCs with other drugs in cell therapy of atopic dermatitis. Therefore, this study might give rise to improvement of the clinical application of hMSCs therapy and facilitate the widespread application of hMSCs in clinical field. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02547-8.
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Affiliation(s)
- Nari Shin
- Adult Stem Cell Research Center, Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Namhee Jung
- Stem Cell and Regenerative Bioengineering Institute, Global R&D Center, Kangstem Biotech Co. Ltd., Ace Highend Tower 8, 84, Gasan digital 1-ro, Geumcheon-gu, Seoul, 08590, Republic of Korea
| | - Seung-Eun Lee
- Adult Stem Cell Research Center, Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Dasom Kong
- Adult Stem Cell Research Center, Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Nam Gyo Kim
- Adult Stem Cell Research Center, Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Myung Geun Kook
- Adult Stem Cell Research Center, Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Hwanhee Park
- Stem Cell and Regenerative Bioengineering Institute, Global R&D Center, Kangstem Biotech Co. Ltd., Ace Highend Tower 8, 84, Gasan digital 1-ro, Geumcheon-gu, Seoul, 08590, Republic of Korea
| | - Soon Won Choi
- Adult Stem Cell Research Center, Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Seunghee Lee
- Stem Cell and Regenerative Bioengineering Institute, Global R&D Center, Kangstem Biotech Co. Ltd., Ace Highend Tower 8, 84, Gasan digital 1-ro, Geumcheon-gu, Seoul, 08590, Republic of Korea.
| | - Kyung-Sun Kang
- Adult Stem Cell Research Center, Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea.
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Role of Nuclear Factor of Activated T Cells (NFAT) Pathway in Regulating Autophagy and Inflammation in Retinal Pigment Epithelial Cells. Int J Mol Sci 2021; 22:ijms22168684. [PMID: 34445390 PMCID: PMC8395439 DOI: 10.3390/ijms22168684] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/28/2021] [Accepted: 08/09/2021] [Indexed: 01/03/2023] Open
Abstract
Nuclear factor of activated T cells (NFAT) family of transcription factors are substrates of calcineurin and play an important role in integrating Ca2+ signaling with a variety of cellular functions. Of the five NFAT proteins (NFAT1-5), NFAT1-4 are subject to dephosphorylation and activation by calcineurin, a Ca2+-calmodulin-dependent phosphatase. Increased levels of intracellular Ca2+ activates calcineurin, which in turn dephosphorylates and promotes nuclear translocation of NFAT. We investigated the functions of NFAT proteins in the retinal pigment epithelial cells (RPE). Our results show that NFAT-mediated luciferase activity was induced upon treatment with the bacterial endotoxin, lipopolysaccharide (LPS) and treatment with the NFAT peptide inhibitor, MAGPHPVIVITGPHEE (VIVIT) decreased LPS-induced NFAT luciferase activity. LPS-induced activation of NFAT-regulated cytokines (IL-6 and IL-8) is inhibited by treatment of cells with VIVIT. We also investigated the effects of NFAT signaling on the autophagy pathway. Our results show that inhibition of NFAT with VIVIT in cells deprived of nutrients resulted in cytosolic retention of transcription Factor EB (TFEB), decreased expression of TFEB-regulated coordinated Lysosomal Expression and Regulation CLEAR network genes and decreased starvation-induced autophagy flux in the RPE cells. In summary, these studies suggest that the NFAT pathway plays an important role in the regulation of autophagy and inflammation in the RPE.
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Jackson JT, Mulazzani E, Nutt SL, Masters SL. The role of PLCγ2 in immunological disorders, cancer, and neurodegeneration. J Biol Chem 2021; 297:100905. [PMID: 34157287 PMCID: PMC8318911 DOI: 10.1016/j.jbc.2021.100905] [Citation(s) in RCA: 30] [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: 10/13/2020] [Revised: 06/15/2021] [Accepted: 06/18/2021] [Indexed: 02/06/2023] Open
Abstract
Phosphatidylinositol-specific phospholipase Cγ2 (PLCγ2) is a critical signaling molecule activated downstream from a variety of cell surface receptors that contain an intracellular immunoreceptor tyrosine-based activation motif. These receptors recruit kinases such as Syk, BTK, and BLNK to phosphorylate and activate PLCγ2, which then generates 1D-myo-inositol 1,4,5-trisphosphate and diacylglycerol. These well-known second messengers are required for diverse membrane functionality including cellular proliferation, endocytosis, and calcium flux. As a result, PLCγ2 dysfunction is associated with a variety of diseases including cancer, neurodegeneration, and immune disorders. The diverse pathologies associated with PLCγ2 are exemplified by distinct genetic variants. Inherited mutations at this locus cause PLCγ2-associated antibody deficiency and immune dysregulation, in some cases with autoinflammation. Acquired mutations at this locus, which often arise as a result of BTK inhibition to treat chronic lymphocytic leukemia, result in constitutive downstream signaling and lymphocyte proliferation. Finally, a third group of PLCγ2 variants actually has a protective effect in a variety of neurodegenerative disorders, presumably by increased uptake and degradation of deleterious neurological aggregates. Therefore, manipulating PLCγ2 activity either up or down could have therapeutic benefit; however, we require a better understanding of the signaling pathways propagated by these variants before such clinical utility can be realized. Here, we review the signaling roles of PLCγ2 in hematopoietic cells to help understand the effect of mutations driving immune disorders and cancer and extrapolate from this to roles which may relate to protection against neurodegeneration.
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Affiliation(s)
- Jacob T Jackson
- Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia; Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
| | - Elisabeth Mulazzani
- Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia; Department of Medical Biology, University of Melbourne, Parkville, Victoria, Australia
| | - Stephen L Nutt
- Immunology Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia; Department of Medical Biology, University of Melbourne, Parkville, Victoria, Australia
| | - Seth L Masters
- Inflammation Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia; Department of Medical Biology, University of Melbourne, Parkville, Victoria, Australia; Immunology Laboratory, Guangzhou Institute of Paediatrics, Guangzhou Women and Children's Medical Centre, Guangzhou, Guangdong, China.
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Duan X, Lv M, Liu A, Pang Y, Li Q, Su P, Gou M. Identification and evolution of transcription factors RHR gene family (NFAT and RBPJ) involving lamprey (Lethenteron reissneri) innate immunity. Mol Immunol 2021; 138:38-47. [PMID: 34332184 DOI: 10.1016/j.molimm.2021.07.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 07/15/2021] [Accepted: 07/16/2021] [Indexed: 10/20/2022]
Abstract
Nuclear factor of activated T cells (NFAT) and recombination signal binding protein (RBP) belong to the family of Rel homology region (RHR) transcription factors which regulate the expression of genes involved in different aspects of the immune response. To gain insights into the evolution and characterisation of RHR genes in lampreys, a jawless vertebrate, four RHR genes, including nuclear factor of activated T cells (NFAT) and recombination signal binding protein for immunoglobulin kappa J region (RBPJ), have been identified and cloned from the lamprey (Lethenteron reissneri) database. Evolutionary relationships of NFAT and RBPJ genes among different species were determined through molecular phylogenetic analysis. Motif, genetic structure, and tertiary structure analyses showed that NFATs and RBPJ are conserved and contain RHD and IPT domains. Moreover, synteny analysis showed that the neighbourhood genes of Lr-NFATs and Lr-RBPJ have undergone significant changes compared to jawed vertebrates. Real-time quantitative results demonstrated that the RHR gene family plays a significant role in immune defence. This study provides a new understanding of the origin and evolution of the RHR gene family in different species.
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Affiliation(s)
- Xuyuan Duan
- College of Life Science, Liaoning Normal University, Dalian, 116081, China; Lamprey Research Center, Liaoning Normal University, Dalian, 116081, China; Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian, 116034, China
| | - Menggang Lv
- College of Life Science, Liaoning Normal University, Dalian, 116081, China; Lamprey Research Center, Liaoning Normal University, Dalian, 116081, China; Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian, 116034, China
| | - Aijia Liu
- College of Life Science, Liaoning Normal University, Dalian, 116081, China; Lamprey Research Center, Liaoning Normal University, Dalian, 116081, China; Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian, 116034, China
| | - Yue Pang
- College of Life Science, Liaoning Normal University, Dalian, 116081, China; Lamprey Research Center, Liaoning Normal University, Dalian, 116081, China; Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian, 116034, China
| | - Qingwei Li
- College of Life Science, Liaoning Normal University, Dalian, 116081, China; Lamprey Research Center, Liaoning Normal University, Dalian, 116081, China; Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian, 116034, China
| | - Peng Su
- College of Life Science, Liaoning Normal University, Dalian, 116081, China; Lamprey Research Center, Liaoning Normal University, Dalian, 116081, China; Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian, 116034, China.
| | - Meng Gou
- College of Life Science, Liaoning Normal University, Dalian, 116081, China; Lamprey Research Center, Liaoning Normal University, Dalian, 116081, China; Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian, 116034, China.
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Di Lorenzo F, Duda KA, Lanzetta R, Silipo A, De Castro C, Molinaro A. A Journey from Structure to Function of Bacterial Lipopolysaccharides. Chem Rev 2021; 122:15767-15821. [PMID: 34286971 DOI: 10.1021/acs.chemrev.0c01321] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Lipopolysaccharide (LPS) is a crucial constituent of the outer membrane of most Gram-negative bacteria, playing a fundamental role in the protection of bacteria from environmental stress factors, in drug resistance, in pathogenesis, and in symbiosis. During the last decades, LPS has been thoroughly dissected, and massive information on this fascinating biomolecule is now available. In this Review, we will give the reader a third millennium update of the current knowledge of LPS with key information on the inherent peculiar carbohydrate chemistry due to often puzzling sugar residues that are uniquely found on it. Then, we will drive the reader through the complex and multifarious immunological outcomes that any given LPS can raise, which is strictly dependent on its chemical structure. Further, we will argue about issues that still remain unresolved and that would represent the immediate future of LPS research. It is critical to address these points to complete our notions on LPS chemistry, functions, and roles, in turn leading to innovative ways to manipulate the processes involving such a still controversial and intriguing biomolecule.
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Affiliation(s)
- Flaviana Di Lorenzo
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia 4, 80126 Naples, Italy.,Task Force on Microbiome Studies, University of Naples Federico II, Via Cinthia 4, 80126 Naples, Italy
| | - Katarzyna A Duda
- Research Center Borstel Leibniz Lung Center, Parkallee 4a, 23845 Borstel, Germany
| | - Rosa Lanzetta
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia 4, 80126 Naples, Italy
| | - Alba Silipo
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia 4, 80126 Naples, Italy.,Task Force on Microbiome Studies, University of Naples Federico II, Via Cinthia 4, 80126 Naples, Italy
| | - Cristina De Castro
- Task Force on Microbiome Studies, University of Naples Federico II, Via Cinthia 4, 80126 Naples, Italy.,Department of Agricultural Sciences, University of Naples Federico II, Via Università 96, 80055 Portici, Naples, Italy
| | - Antonio Molinaro
- Department of Chemical Sciences, University of Naples Federico II, Via Cinthia 4, 80126 Naples, Italy.,Task Force on Microbiome Studies, University of Naples Federico II, Via Cinthia 4, 80126 Naples, Italy.,Department of Chemistry, School of Science, Osaka University, 1-1 Osaka University Machikaneyama, Toyonaka, Osaka 560-0043, Japan
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42
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Wang J, Li F, Xu Y, Zheng X, Zhang C, Hu C, Xu Y, Mi W, Li X, Zhang Y. Dissecting immune cell stat regulation network reveals biomarkers to predict ICB therapy responders in melanoma. J Transl Med 2021; 19:296. [PMID: 34238310 PMCID: PMC8265039 DOI: 10.1186/s12967-021-02962-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 06/25/2021] [Indexed: 01/10/2023] Open
Abstract
Background Immunotherapy is a revolutionary strategy in cancer therapy, but the resistance of which is one of the important challenges. Detecting the regulation of immune cells and biomarkers concerning immune checkpoint blockade (ICB) therapy is of great significance. Methods Here, we firstly constructed regulation networks for 11 immune cell clusters by integrating biological pathway data and single cell sequencing data in metastatic melanoma with or without ICB therapy. We then dissected these regulation networks and identified differently expressed genes between responders and non-responders. Finally, we trained and validated a logistic regression model based on ligands and receptors in the regulation network to predict ICB therapy response. Results We discovered the regulation of genes across eleven immune cell stats. Functional analysis indicated that these stat-specific networks consensually enriched in immune response corrected pathways and highlighted antigen processing and presentation as a core pathway in immune cell regulation. Furthermore, some famous ligands like SIRPA, ITGAM, CD247and receptors like CD14, IL2 and HLA-G were differently expressed between cells of responders and non-responders. A predictive model of gene sets containing ligands and receptors performed accuracy prediction with AUCs above 0.7 in a validation dataset suggesting that they may be server as biomarkers for predicting immunotherapy response. Conclusions In summary, our study presented the gene–gene regulation landscape across 11 immune cell clusters and analysis of these networks revealed several important aspects and immunotherapy response biomarkers, which may provide novel insights into immune related mechanisms and immunotherapy response prediction. Supplementary Information The online version contains supplementary material available at 10.1186/s12967-021-02962-8.
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Affiliation(s)
- Jingwen Wang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Feng Li
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Yanjun Xu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Xuan Zheng
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Chunlong Zhang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Congxue Hu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Yingqi Xu
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Wanqi Mi
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China
| | - Xia Li
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China.
| | - Yunpeng Zhang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, 150081, China.
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43
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Smalley I, Chen Z, Phadke M, Li J, Yu X, Wyatt C, Evernden B, Messina JL, Sarnaik A, Sondak VK, Zhang C, Law V, Tran N, Etame A, Macaulay RJB, Eroglu Z, Forsyth PA, Rodriguez PC, Chen YA, Smalley KSM. Single-Cell Characterization of the Immune Microenvironment of Melanoma Brain and Leptomeningeal Metastases. Clin Cancer Res 2021; 27:4109-4125. [PMID: 34035069 DOI: 10.1158/1078-0432.ccr-21-1694] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 05/13/2021] [Accepted: 05/19/2021] [Indexed: 12/14/2022]
Abstract
PURPOSE Melanoma brain metastases (MBM) and leptomeningeal melanoma metastases (LMM) are two different manifestations of melanoma CNS metastasis. Here, we used single-cell RNA sequencing (scRNA-seq) to define the immune landscape of MBM, LMM, and melanoma skin metastases. EXPERIMENTAL DESIGN scRNA-seq was undertaken on 43 patient specimens, including 8 skin metastases, 14 MBM, and 19 serial LMM specimens. Detailed cell type curation was performed, the immune landscapes were mapped, and key results were validated by IHC and flow cytometry. Association analyses were undertaken to identify immune cell subsets correlated with overall survival. RESULTS The LMM microenvironment was characterized by an immune-suppressed T-cell landscape distinct from that of brain and skin metastases. An LMM patient with long-term survival demonstrated an immune repertoire distinct from that of poor survivors and more similar to normal cerebrospinal fluid (CSF). Upon response to PD-1 therapy, this extreme responder showed increased levels of T cells and dendritic cells in their CSF, whereas poor survivors showed little improvement in their T-cell responses. In MBM patients, therapy led to increased immune infiltrate, with similar T-cell transcriptional diversity noted between skin metastases and MBM. A correlation analysis across the entire immune landscape identified the presence of a rare population of dendritic cells (DC3) that was associated with increased overall survival and positively regulated the immune environment through modulation of activated T cells and MHC expression. CONCLUSIONS Our study provides the first atlas of two distinct sites of melanoma CNS metastases and defines the immune cell landscape that underlies the biology of this devastating disease.
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Affiliation(s)
- Inna Smalley
- The Department of Tumor Biology, The Moffitt Cancer Center and Research Institute, Tampa, Florida.
| | - Zhihua Chen
- Department of Bioinformatics and Biostatistics, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Manali Phadke
- The Department of Tumor Biology, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Jiannong Li
- Department of Bioinformatics and Biostatistics, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Xiaoqing Yu
- Department of Bioinformatics and Biostatistics, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Clayton Wyatt
- The Department of Tumor Biology, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Brittany Evernden
- Department of Neurooncology, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Jane L Messina
- Department of Cutaneous Oncology, The Moffitt Cancer Center and Research Institute, Tampa, Florida.,Department of Pathology, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Amod Sarnaik
- Department of Cutaneous Oncology, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Vernon K Sondak
- Department of Cutaneous Oncology, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Chaomei Zhang
- Molecular Genomics Core, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Vincent Law
- Department of Neurooncology, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Nam Tran
- Department of Neurooncology, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Arnold Etame
- Department of Neurooncology, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Robert J B Macaulay
- Department of Neurooncology, The Moffitt Cancer Center and Research Institute, Tampa, Florida.,Department of Pathology, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Zeynep Eroglu
- Department of Cutaneous Oncology, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Peter A Forsyth
- Department of Neurooncology, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Paulo C Rodriguez
- Department of Immunology, The Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Y Ann Chen
- Department of Bioinformatics and Biostatistics, The Moffitt Cancer Center and Research Institute, Tampa, Florida.
| | - Keiran S M Smalley
- The Department of Tumor Biology, The Moffitt Cancer Center and Research Institute, Tampa, Florida. .,Department of Cutaneous Oncology, The Moffitt Cancer Center and Research Institute, Tampa, Florida
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Moriya T, Kitagawa K, Hayakawa Y, Hemmi H, Kaisho T, Ueha S, Ikebuchi R, Yasuda I, Nakanishi Y, Honda T, Matsushima K, Kabashima K, Ueda M, Kusumoto Y, Chtanova T, Tomura M. Immunogenic tumor cell death promotes dendritic cell migration and inhibits tumor growth via enhanced T cell immunity. iScience 2021; 24:102424. [PMID: 33997702 PMCID: PMC8102907 DOI: 10.1016/j.isci.2021.102424] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 02/04/2021] [Accepted: 04/09/2021] [Indexed: 12/21/2022] Open
Abstract
Immunogenic tumor cell death enhances anti-tumor immunity. However, the mechanisms underlying this effect are incompletely understood. We established a system to induce tumor cell death in situ and investigated its effect on dendritic cell (DC) migration and T cell responses using intravital photolabeling in mice expressing KikGR photoconvertible protein. We demonstrate that tumor cell death induces phagocytosis of tumor cells by tumor-infiltrating (Ti)-DCs, and HMGB1-TLR4 and ATP-P2X7 receptor signaling-dependent Ti-DC emigration to draining lymph nodes (dLNs). This led to an increase in anti-tumor CD8+ T cells of memory precursor effector phenotype and secondary tumor growth inhibition in a CD103+ DC-dependent manner. However, combining tumor cell death induction with lipopolysaccharide treatment stimulated Ti-DC maturation and emigration to dLNs but did not improve tumor immunity. Thus, immunogenic tumor cell death enhances tumor immunity by increasing Ti-DC migration to dLNs where they promote anti-tumor T cell responses and tumor growth inhibition. Immunogenic cell death (ICD) promotes egress of tumor-infiltrating (Ti)-DCs to dLNs ICD induced Ti-DC migration to dLNs utilizes P2X7R and HMGB1 signaling pathways LPS treatment attenuates the anti-tumor effects of ICD CD103+ DCs are required at the time of ICD for suppression of secondary tumor growth
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Affiliation(s)
- Taiki Moriya
- Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka 584-8540, Japan
| | - Kurumi Kitagawa
- Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka 584-8540, Japan
| | - Yuuki Hayakawa
- Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka 584-8540, Japan
| | - Hiroaki Hemmi
- Department of Immunology, Institute of Advanced Medicine, Wakayama Medical University, Graduate school of Medicine, Wakayama, Wakayama 641-8509, Japan
| | - Tsuneyasu Kaisho
- Department of Immunology, Institute of Advanced Medicine, Wakayama Medical University, Graduate school of Medicine, Wakayama, Wakayama 641-8509, Japan
| | - Satoshi Ueha
- Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute for Biomedical Sciences, Tokyo University of Science, Noda City Chiba 278-0022, Japan
| | - Ryoyo Ikebuchi
- Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka 584-8540, Japan.,Research Fellow of Japan Society for the Promotion of Science, Tokyo, Japan
| | - Ippei Yasuda
- Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka 584-8540, Japan
| | - Yasutaka Nakanishi
- Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka 584-8540, Japan
| | - Tetsuya Honda
- Department of Dermatology, Kyoto University, Graduate School of Medicine, Sakyou-ku, Kyoto 606-8507, Japan
| | - Koji Matsushima
- Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute for Biomedical Sciences, Tokyo University of Science, Noda City Chiba 278-0022, Japan
| | - Kenji Kabashima
- Department of Dermatology, Kyoto University, Graduate School of Medicine, Sakyou-ku, Kyoto 606-8507, Japan
| | - Mizuki Ueda
- Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka 584-8540, Japan
| | - Yutaka Kusumoto
- Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka 584-8540, Japan
| | - Tatyana Chtanova
- Immunology Theme, Garvan Institute of Medical Research, Darlinghurst, NSW 2010, Australia.,School of Biotechnology and Biomolecular Sciences, Faculty of Science, University of New South Wales Sydney, Kensington, NSW 2033 Australia
| | - Michio Tomura
- Laboratory of Immunology, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka 584-8540, Japan
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45
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Marongiu L, Mingozzi F, Cigni C, Marzi R, Di Gioia M, Garrè M, Parazzoli D, Sironi L, Collini M, Sakaguchi R, Morii T, Crosti M, Moro M, Schurmans S, Catelani T, Rotem R, Colombo M, Shears S, Prosperi D, Zanoni I, Granucci F. Inositol 1,4,5-trisphosphate 3-kinase B promotes Ca 2+ mobilization and the inflammatory activity of dendritic cells. Sci Signal 2021; 14:14/676/eaaz2120. [PMID: 33785611 DOI: 10.1126/scisignal.aaz2120] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Innate immune responses to Gram-negative bacteria depend on the recognition of lipopolysaccharide (LPS) by a receptor complex that includes CD14 and TLR4. In dendritic cells (DCs), CD14 enhances the activation not only of TLR4 but also that of the NFAT family of transcription factors, which suppresses cell survival and promotes the production of inflammatory mediators. NFAT activation requires Ca2+ mobilization. In DCs, Ca2+ mobilization in response to LPS depends on phospholipase C γ2 (PLCγ2), which produces inositol 1,4,5-trisphosphate (IP3). Here, we showed that the IP3 receptor 3 (IP3R3) and ITPKB, a kinase that converts IP3 to inositol 1,3,4,5-tetrakisphosphate (IP4), were both necessary for Ca2+ mobilization and NFAT activation in mouse and human DCs. A pool of IP3R3 was located on the plasma membrane of DCs, where it colocalized with CD14 and ITPKB. Upon LPS binding to CD14, ITPKB was required for Ca2+ mobilization through plasma membrane-localized IP3R3 and for NFAT nuclear translocation. Pharmacological inhibition of ITPKB in mice reduced both LPS-induced tissue swelling and the severity of inflammatory arthritis to a similar extent as that induced by the inhibition of NFAT using nanoparticles that delivered an NFAT-inhibiting peptide specifically to phagocytic cells. Our results suggest that ITPKB may represent a promising target for anti-inflammatory therapies that aim to inhibit specific DC functions.
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Affiliation(s)
- Laura Marongiu
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Francesca Mingozzi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Clara Cigni
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Roberta Marzi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Marco Di Gioia
- Harvard Medical School and Division of Immunology, Division of Gastroenterology, Boston Children's Hospital, Boston, MA 02115, USA
| | | | | | - Laura Sironi
- Department of Physics, University of Milano-Bicocca, Piazza della Scienza 3, 20126 Milan, Italy
| | - Maddalena Collini
- Department of Physics, University of Milano-Bicocca, Piazza della Scienza 3, 20126 Milan, Italy
| | - Reiko Sakaguchi
- Institute for Integrated Cell-Material Sciences, Kyoto University Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Takashi Morii
- Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Mariacristina Crosti
- INGM, Istituto Nazionale di Genetica Molecolare "Romeo ed Enrica Invernizzi", 20122 Milan, Italy
| | - Monica Moro
- INGM, Istituto Nazionale di Genetica Molecolare "Romeo ed Enrica Invernizzi", 20122 Milan, Italy
| | - Stéphane Schurmans
- Laboratory of Functional Genetics, GIGA-B34, University of Liège, 4000 Liège, Belgium
| | - Tiziano Catelani
- Piattaforma Interdipartimentale di Microscopia, University of Milano-Bicocca, Piazza della Scienza 3, 20126 Milan, Italy
| | - Rany Rotem
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Miriam Colombo
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Stephen Shears
- Signal Transduction Laboratory, NIEHS/NIH, 111 TW Alexander Drive, Research Triangle Park, NC 27709, USA
| | - Davide Prosperi
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy
| | - Ivan Zanoni
- Harvard Medical School and Division of Immunology, Division of Gastroenterology, Boston Children's Hospital, Boston, MA 02115, USA.,Division of Immunology, Harvard Medical School, Boston Children's Hospital, Boston, MA 02115, USA
| | - Francesca Granucci
- Department of Biotechnology and Biosciences, University of Milano-Bicocca, Piazza della Scienza 2, 20126 Milan, Italy. .,INGM, Istituto Nazionale di Genetica Molecolare "Romeo ed Enrica Invernizzi", 20122 Milan, Italy
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46
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Cohen G. Effect of High-Density Lipoprotein from Healthy Subjects and Chronic Kidney Disease Patients on the CD14 Expression on Polymorphonuclear Leukocytes. Int J Mol Sci 2021; 22:ijms22062830. [PMID: 33799511 PMCID: PMC7998954 DOI: 10.3390/ijms22062830] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 02/26/2021] [Accepted: 03/08/2021] [Indexed: 01/22/2023] Open
Abstract
In uremic patients, high-density lipoprotein (HDL) loses its anti-inflammatory features and can even become pro-inflammatory due to an altered protein composition. In chronic kidney disease (CKD), impaired functions of polymorphonuclear leukocytes (PMNLs) contribute to inflammation and an increased risk of cardiovascular disease. This study investigated the effect of HDL from CKD and hemodialysis (HD) patients on the CD14 expression on PMNLs. HDL was isolated using a one-step density gradient centrifugation. Isolation of PMNLs was carried out by discontinuous Ficoll-Hypaque density gradient centrifugation. CD14 surface expression was quantified by flow cytometry. The activity of the small GTPase Rac1 was determined by means of an activation pull-down assay. HDL increased the CD14 surface expression on PMNLs. This effect was more pronounced for HDL isolated from uremic patients. The acute phase protein serum amyloid A (SAA) caused higher CD14 expression, while SAA as part of an HDL particle did not. Lipid raft disruption with methyl-β-cyclodextrin led to a reduced CD14 expression in the absence and presence of HDL. HDL from healthy subjects but not from HD patients decreased the activity of Rac1. Considering the known anti-inflammatory effects of HDL, the finding that even HDL from healthy subjects increased the CD14 expression was unexpected. The pathophysiological relevance of this result needs further investigation.
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Affiliation(s)
- Gerald Cohen
- Department of Nephrology and Dialysis, Medical University of Vienna, A-1090 Vienna, Austria
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Lim N, Tesar S, Belmadani M, Poirier-Morency G, Mancarci BO, Sicherman J, Jacobson M, Leong J, Tan P, Pavlidis P. Curation of over 10 000 transcriptomic studies to enable data reuse. Database (Oxford) 2021; 2021:6143045. [PMID: 33599246 PMCID: PMC7904053 DOI: 10.1093/database/baab006] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 12/09/2020] [Accepted: 01/28/2021] [Indexed: 01/07/2023]
Abstract
Vast amounts of transcriptomic data reside in public repositories, but effective reuse remains challenging. Issues include unstructured dataset metadata, inconsistent data processing and quality control, and inconsistent probe-gene mappings across microarray technologies. Thus, extensive curation and data reprocessing are necessary prior to any reuse. The Gemma bioinformatics system was created to help address these issues. Gemma consists of a database of curated transcriptomic datasets, analytical software, a web interface and web services. Here we present an update on Gemma's holdings, data processing and analysis pipelines, our curation guidelines, and software features. As of June 2020, Gemma contains 10 811 manually curated datasets (primarily human, mouse and rat), over 395 000 samples and hundreds of curated transcriptomic platforms (both microarray and RNA sequencing). Dataset topics were represented with 10 215 distinct terms from 12 ontologies, for a total of 54 316 topic annotations (mean topics/dataset = 5.2). While Gemma has broad coverage of conditions and tissues, it captures a large majority of available brain-related datasets, accounting for 34% of its holdings. Users can access the curated data and differential expression analyses through the Gemma website, RESTful service and an R package. Database URL: https://gemma.msl.ubc.ca/home.html.
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Affiliation(s)
- Nathaniel Lim
- Genome Science and Technology Graduate Program, University of British Columbia, Vancouver, BC V6T1Z4, Canada,Michael Smith Laboratories, University of British Columbia, 2185 East Mall, Vancouver, BC V6T1Z4, Canada
| | - Stepan Tesar
- Michael Smith Laboratories, University of British Columbia, 2185 East Mall, Vancouver, BC V6T1Z4, Canada
| | - Manuel Belmadani
- Michael Smith Laboratories, University of British Columbia, 2185 East Mall, Vancouver, BC V6T1Z4, Canada
| | - Guillaume Poirier-Morency
- Michael Smith Laboratories, University of British Columbia, 2185 East Mall, Vancouver, BC V6T1Z4, Canada
| | - Burak Ogan Mancarci
- Michael Smith Laboratories, University of British Columbia, 2185 East Mall, Vancouver, BC V6T1Z4, Canada,Bioinformatics Graduate Program, University of British Columbia, Vancouver, BC V6T1Z4, Canada
| | - Jordan Sicherman
- Michael Smith Laboratories, University of British Columbia, 2185 East Mall, Vancouver, BC V6T1Z4, Canada,Bioinformatics Graduate Program, University of British Columbia, Vancouver, BC V6T1Z4, Canada
| | - Matthew Jacobson
- Michael Smith Laboratories, University of British Columbia, 2185 East Mall, Vancouver, BC V6T1Z4, Canada
| | - Justin Leong
- Michael Smith Laboratories, University of British Columbia, 2185 East Mall, Vancouver, BC V6T1Z4, Canada
| | - Patrick Tan
- Michael Smith Laboratories, University of British Columbia, 2185 East Mall, Vancouver, BC V6T1Z4, Canada
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Veglia F, Hashimoto A, Dweep H, Sanseviero E, De Leo A, Tcyganov E, Kossenkov A, Mulligan C, Nam B, Masters G, Patel J, Bhargava V, Wilkinson P, Smirnov D, Sepulveda MA, Singhal S, Eruslanov EB, Cristescu R, Loboda A, Nefedova Y, Gabrilovich DI. Analysis of classical neutrophils and polymorphonuclear myeloid-derived suppressor cells in cancer patients and tumor-bearing mice. J Exp Med 2021; 218:211778. [PMID: 33566112 PMCID: PMC7879582 DOI: 10.1084/jem.20201803] [Citation(s) in RCA: 122] [Impact Index Per Article: 40.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 11/28/2020] [Accepted: 01/07/2021] [Indexed: 01/08/2023] Open
Abstract
In this study, using single-cell RNA-seq, cell mass spectrometry, flow cytometry, and functional analysis, we characterized the heterogeneity of polymorphonuclear neutrophils (PMNs) in cancer. We describe three populations of PMNs in tumor-bearing mice: classical PMNs, polymorphonuclear myeloid-derived suppressor cells (PMN-MDSCs), and activated PMN-MDSCs with potent immune suppressive activity. In spleens of mice, PMN-MDSCs gradually replaced PMNs during tumor progression. Activated PMN-MDSCs were found only in tumors, where they were present at the very early stages of the disease. These populations of PMNs in mice could be separated based on the expression of CD14. In peripheral blood of cancer patients, we identified two distinct populations of PMNs with characteristics of classical PMNs and PMN-MDSCs. The gene signature of tumor PMN-MDSCs was similar to that in mouse activated PMN-MDSCs and was closely associated with negative clinical outcome in cancer patients. Thus, we provide evidence that PMN-MDSCs are a distinct population of PMNs with unique features and potential for selective targeting opportunities.
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Affiliation(s)
| | | | | | | | | | | | | | - Charles Mulligan
- Helen F. Graham Cancer Center and Research Institute, Christiana Care, Newark, DE
| | - Brian Nam
- Helen F. Graham Cancer Center and Research Institute, Christiana Care, Newark, DE
| | - Gregory Masters
- Helen F. Graham Cancer Center and Research Institute, Christiana Care, Newark, DE
| | - Jaymala Patel
- Janssen Research and Development, LLC, Pharmaceutical Companies of Johnson & Johnson, Spring House, PA
| | - Vipul Bhargava
- Janssen Research and Development, LLC, Pharmaceutical Companies of Johnson & Johnson, Spring House, PA
| | - Patrick Wilkinson
- Janssen Research and Development, LLC, Pharmaceutical Companies of Johnson & Johnson, Spring House, PA
| | - Denis Smirnov
- Janssen Research and Development, LLC, Pharmaceutical Companies of Johnson & Johnson, Spring House, PA
| | - Manuel A Sepulveda
- Janssen Research and Development, LLC, Pharmaceutical Companies of Johnson & Johnson, Spring House, PA
| | - Sunil Singhal
- Division of Thoracic Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, PA
| | - Evgeniy B Eruslanov
- Division of Thoracic Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, PA
| | - Razvan Cristescu
- Department of Genetics and Pharmacogenomics, Merck Research Laboratories, Merck & Co., Inc., Boston, MA
| | - Andrey Loboda
- Department of Genetics and Pharmacogenomics, Merck Research Laboratories, Merck & Co., Inc., Boston, MA
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Gui Q, Jiang Z, Zhang L. Insights into the modulatory role of cyclosporine A and its research advances in acute inflammation. Int Immunopharmacol 2021; 93:107420. [PMID: 33540245 DOI: 10.1016/j.intimp.2021.107420] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 01/06/2021] [Accepted: 01/18/2021] [Indexed: 12/12/2022]
Abstract
Cyclosporine A(CsA), a classic immunosuppressant, is mainly applied for solid organ transplantation and some autoimmune diseases by suppressing T lymphocytes. Early studies showed that the application of CsA is primarily focused on chronic but not acute inflammation, nevertheless, increasing evidence supporting a role for CsA in acute inflammation, although most of proofs come from experimental models. It has long been known to us that the nuclear factor of activated T cells (NFAT) is the target of CsA to regulate T lymphocytes. However, NFAT also contributes to the regulation of innate immune cells, thus, CsA can not only target lymphocytes but also innate immune cells such as monocytes/macrophages, dendritic cells and neutrophils, which provides a basis for CsA to act on acute inflammation. Moreover, some other pathophysiological events in acute inflammation such as decreased vascular activity, mitochondrial dysfunction and endogenous cell apoptosis can also be alleviated by CsA. There being a moderate successes in the application of CsA for experimental acute inflammation such as sepsis, trauma/hemorrhagic shock and ischemic/reperfusion injury, yet data of the clinical treatment is not clear. In this review, we will critically analyze the existing hypotheses, summarize the application of CsA and its possible mechanisms in various acute inflammation over the past few decades, hope to provide some clues for the clinical treatment of acute inflammation.
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Affiliation(s)
- Qiuyi Gui
- New Drug Screening Center, Jiangsu Center for Pharmacodynamics Research and Evaluation, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Zhenzhou Jiang
- New Drug Screening Center, Jiangsu Center for Pharmacodynamics Research and Evaluation, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China; Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, China Pharmaceutical University, Nanjing 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing 210009, China.
| | - Luyong Zhang
- New Drug Screening Center, Jiangsu Center for Pharmacodynamics Research and Evaluation, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China; Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, China; Jiangsu Key Laboratory of Druggability of Biopharmaceuticals, China Pharmaceutical University, Nanjing 210009, China.
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50
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Differential signaling patterns of stimulated bone marrow-derived dendritic cells under α1-antitrypsin-enriched conditions. Cell Immunol 2021; 361:104281. [PMID: 33453508 DOI: 10.1016/j.cellimm.2020.104281] [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: 01/31/2020] [Revised: 07/17/2020] [Accepted: 11/21/2020] [Indexed: 11/22/2022]
Abstract
Dendritic cells (DCs) mature upon an inflammatory trigger. However, an inflammatory trigger can lead to a semi-mature phenotype, allowing DCs to evoke tolerance and expedite the resolution of inflammation. This duality likely involves context-dependent modulation of inflammatory signaling. Human α1-antitrypsin (hAAT) promotes semimature DCs. We examined changes in a wide spectrum of signaling cascades in stimulated murine bone marrow-derived cells with hAAT. Upon stimulation by IL-1β+IFNγ, hAAT-treated cells depicted an attenuated calcium flux. Disrupting PKA or NF-κB pathways revoked only some hAAT-mediated outcomes. hAAT-treated cells exhibited a distict pattern of kinase phosphorylation. hAAT-mediated increase in Treg cells in-vitro required intact inflammatory signaling pathways. Taken together, hAAT appears to require a stimulated microenvironment to promote inflammatory resolution, setting it aside from classical anti-inflammatory agents. Further studies are required to identify the specific molecules targeted by hAAT that mediate these and other outcomes.
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