51
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Wu X, Xia Y, He F, Zhu C, Ren W. Intestinal mycobiota in health and diseases: from a disrupted equilibrium to clinical opportunities. MICROBIOME 2021; 9:60. [PMID: 33715629 PMCID: PMC7958491 DOI: 10.1186/s40168-021-01024-x] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 02/04/2021] [Indexed: 05/08/2023]
Abstract
Bacteria, viruses, protozoa, and fungi establish a complex ecosystem in the gut. Like other microbiota, gut mycobiota plays an indispensable role in modulating intestinal physiology. Notably, the most striking characteristics of intestinal fungi are their extraintestinal functions. Here, we provide a comprehensive review of the importance of gut fungi in the regulation of intestinal, pulmonary, hepatic, renal, pancreatic, and brain functions, and we present possible opportunities for the application of gut mycobiota to alleviate/treat human diseases. Video Abstract.
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Affiliation(s)
- Xiaoyan Wu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, Guangdong Provincial Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, 510642 China
| | - Yaoyao Xia
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, Guangdong Provincial Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, 510642 China
| | - Fang He
- College of Animal Science and Technology, Southwest University, Chongqing, 400716 China
| | - Congrui Zhu
- College of Veterinary Medicine, Kansas State University, Manhattan, KS USA
| | - Wenkai Ren
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory of Lingnan Modern Agriculture, National Engineering Research Center for Breeding Swine Industry, Guangdong Provincial Key Laboratory of Animal Nutrition Control, College of Animal Science, South China Agricultural University, Guangzhou, 510642 China
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52
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Xia L, Oyang L, Lin J, Tan S, Han Y, Wu N, Yi P, Tang L, Pan Q, Rao S, Liang J, Tang Y, Su M, Luo X, Yang Y, Shi Y, Wang H, Zhou Y, Liao Q. The cancer metabolic reprogramming and immune response. Mol Cancer 2021; 20:28. [PMID: 33546704 PMCID: PMC7863491 DOI: 10.1186/s12943-021-01316-8] [Citation(s) in RCA: 398] [Impact Index Per Article: 132.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 01/15/2021] [Indexed: 02/07/2023] Open
Abstract
The overlapping metabolic reprogramming of cancer and immune cells is a putative determinant of the antitumor immune response in cancer. Increased evidence suggests that cancer metabolism not only plays a crucial role in cancer signaling for sustaining tumorigenesis and survival, but also has wider implications in the regulation of antitumor immune response through both the release of metabolites and affecting the expression of immune molecules, such as lactate, PGE2, arginine, etc. Actually, this energetic interplay between tumor and immune cells leads to metabolic competition in the tumor ecosystem, limiting nutrient availability and leading to microenvironmental acidosis, which hinders immune cell function. More interestingly, metabolic reprogramming is also indispensable in the process of maintaining self and body homeostasis by various types of immune cells. At present, more and more studies pointed out that immune cell would undergo metabolic reprogramming during the process of proliferation, differentiation, and execution of effector functions, which is essential to the immune response. Herein, we discuss how metabolic reprogramming of cancer cells and immune cells regulate antitumor immune response and the possible approaches to targeting metabolic pathways in the context of anticancer immunotherapy. We also describe hypothetical combination treatments between immunotherapy and metabolic intervening that could be used to better unleash the potential of anticancer therapies.
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Affiliation(s)
- Longzheng Xia
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Linda Oyang
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Jinguan Lin
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Shiming Tan
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Yaqian Han
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Nayiyuan Wu
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Pin Yi
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China.,University of South China, 421001, Hengyang, Hunan, China
| | - Lu Tang
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China.,University of South China, 421001, Hengyang, Hunan, China
| | - Qing Pan
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China.,University of South China, 421001, Hengyang, Hunan, China
| | - Shan Rao
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Jiaxin Liang
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Yanyan Tang
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Min Su
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Xia Luo
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Yiqing Yang
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Yingrui Shi
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Hui Wang
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Yujuan Zhou
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China.
| | - Qianjin Liao
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China.
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Crittenden S, Goepp M, Pollock J, Robb CT, Smyth DJ, Zhou Y, Andrews R, Tyrrell V, Gkikas K, Adima A, O'Connor RA, Davies L, Li XF, Yao HX, Ho GT, Zheng X, Mair A, Vermeren S, Qian BZ, Mole DJ, Gerasimidis K, Schwarze JKJ, Breyer RM, Arends MJ, O'Donnell VB, Iredale JP, Anderton SM, Narumiya S, Maizels RM, Rossi AG, Howie SE, Yao C. Prostaglandin E 2 promotes intestinal inflammation via inhibiting microbiota-dependent regulatory T cells. SCIENCE ADVANCES 2021; 7:eabd7954. [PMID: 33579710 PMCID: PMC7880593 DOI: 10.1126/sciadv.abd7954] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 12/24/2020] [Indexed: 05/26/2023]
Abstract
The gut microbiota fundamentally regulates intestinal homeostasis and disease partially through mechanisms that involve modulation of regulatory T cells (Tregs), yet how the microbiota-Treg cross-talk is physiologically controlled is incompletely defined. Here, we report that prostaglandin E2 (PGE2), a well-known mediator of inflammation, inhibits mucosal Tregs in a manner depending on the gut microbiota. PGE2 through its receptor EP4 diminishes Treg-favorable commensal microbiota. Transfer of the gut microbiota that was modified by PGE2-EP4 signaling modulates mucosal Treg responses and exacerbates intestinal inflammation. Mechanistically, PGE2-modified microbiota regulates intestinal mononuclear phagocytes and type I interferon signaling. Depletion of mononuclear phagocytes or deficiency of type I interferon receptor diminishes PGE2-dependent Treg inhibition. Together, our findings provide emergent evidence that PGE2-mediated disruption of microbiota-Treg communication fosters intestinal inflammation.
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Affiliation(s)
- Siobhan Crittenden
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Marie Goepp
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Jolinda Pollock
- SRUC Veterinary Services, Scotland's Rural College, Easter Bush Estate EH26 0PZ, UK
| | - Calum T Robb
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Danielle J Smyth
- Wellcome Centre for Molecular Parasitology, Institute for Infection, Immunity and Inflammation, University of Glasgow, Glasgow G12 8TA, UK
| | - You Zhou
- Systems Immunity University Research Institute and Division of Infection and Immunity, Cardiff University, Cardiff CF14 4XN, UK
| | - Robert Andrews
- Systems Immunity University Research Institute and Division of Infection and Immunity, Cardiff University, Cardiff CF14 4XN, UK
| | - Victoria Tyrrell
- Systems Immunity University Research Institute and Division of Infection and Immunity, Cardiff University, Cardiff CF14 4XN, UK
| | - Konstantinos Gkikas
- Human Nutrition, School of Medicine, Dentistry and Nursing, University of Glasgow, Glasgow G31 2ER, UK
| | - Alexander Adima
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Richard A O'Connor
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Luke Davies
- Systems Immunity University Research Institute and Division of Infection and Immunity, Cardiff University, Cardiff CF14 4XN, UK
| | - Xue-Feng Li
- MRC Centre for Reproductive Health, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Hatti X Yao
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Gwo-Tzer Ho
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Xiaozhong Zheng
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Amil Mair
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Sonja Vermeren
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Bin-Zhi Qian
- MRC Centre for Reproductive Health, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Damian J Mole
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Konstantinos Gerasimidis
- Human Nutrition, School of Medicine, Dentistry and Nursing, University of Glasgow, Glasgow G31 2ER, UK
| | - Jürgen K J Schwarze
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Richard M Breyer
- Department of Veterans Affairs, Tennessee Valley Health Authority, and Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Mark J Arends
- Division of Pathology, Cancer Research UK Edinburgh Centre, The University of Edinburgh, Institute of Genetics and Molecular Medicine, Edinburgh EH4 2XR, UK
| | - Valerie B O'Donnell
- Systems Immunity University Research Institute and Division of Infection and Immunity, Cardiff University, Cardiff CF14 4XN, UK
| | - John P Iredale
- Senate House, University of Bristol, Bristol BS8 1TH, UK
| | - Stephen M Anderton
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Shuh Narumiya
- Alliance Laboratory for Advanced Medical Research and Department of Drug Discovery Medicine, Medical Innovation Center, Kyoto University Graduate School of Medicine, Kyoto 606-8507, Japan
| | - Rick M Maizels
- Wellcome Centre for Molecular Parasitology, Institute for Infection, Immunity and Inflammation, University of Glasgow, Glasgow G12 8TA, UK
| | - Adriano G Rossi
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Sarah E Howie
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Chengcan Yao
- Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh EH16 4TJ, UK.
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54
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Schander JA, Marvaldi C, Correa F, Wolfson ML, Cella M, Aisemberg J, Jensen F, Franchi AM. Maternal environmental enrichment modulates the immune response against an inflammatory challenge during gestation and protects the offspring. J Reprod Immunol 2021; 144:103273. [PMID: 33515908 DOI: 10.1016/j.jri.2021.103273] [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: 10/30/2020] [Revised: 12/11/2020] [Accepted: 01/06/2021] [Indexed: 02/07/2023]
Abstract
The production of pro-inflammatory cytokines during inflammatory processes has been associated with preterm birth (PTB) and fetal injury in humans and mice. We previously demonstrated that exposition to an enriched environment (EE), defined as a noninvasive and biological significant stimulus of the sensory pathway combined with voluntary physical activity, prevented PTB and perinatal death induced by the systemic administration of bacterial lipopolysaccharide (LPS) in mice. This work aimed to analyze whether EE modulates the immune response to the inflammatory process induced by LPS in peripheral blood and the amniotic fluid (AF). We observed that EE modulated maternal white blood cell count and its response to LPS. Furthermore, we found higher levels of IL-10 and a higher percentage of B cells in AF from EE exposed mothers compared to controls. Albeit LPS significantly increased IL-6 levels in AF from both groups, it was 3.6 times higher in control environment (CE) exposed group when compared to EE. Similarly, levels of IL-22 were significantly increased by LPS in both groups, but it was 6.7 times higher in EE group. Interestingly, levels of PGE2 in AF were only increased in the EE-LPS treated group, and a positive correlation between IL-22 and PGE2 levels was observed. During lactation, EE prevented LPS-induced delay in physical landmarks analyzed to assess offspring development. Our results suggest that EE modulates the immune response to systemic LPS-administration protecting the offspring. We propose that an EE-like protocol could be designed for pregnant women aiming at preventing the sequelae present in premature children.
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Affiliation(s)
- Julieta Aylen Schander
- Laboratorio de Fisiopatología de la Preñez y el Parto, Centro de Estudios Farmacológicos y Botánicos, CONICET-UBA, Buenos Aires, Argentina.
| | - Carolina Marvaldi
- Laboratorio de Fisiopatología de la Preñez y el Parto, Centro de Estudios Farmacológicos y Botánicos, CONICET-UBA, Buenos Aires, Argentina
| | - Fernando Correa
- Laboratorio de Fisiopatología de la Preñez y el Parto, Centro de Estudios Farmacológicos y Botánicos, CONICET-UBA, Buenos Aires, Argentina
| | - Manuel Luis Wolfson
- Laboratorio de Fisiopatología de la Preñez y el Parto, Centro de Estudios Farmacológicos y Botánicos, CONICET-UBA, Buenos Aires, Argentina
| | - Maximiliano Cella
- Laboratorio de Fisiopatología de la Preñez y el Parto, Centro de Estudios Farmacológicos y Botánicos, CONICET-UBA, Buenos Aires, Argentina
| | - Julieta Aisemberg
- Laboratorio de Fisiopatología de la Preñez y el Parto, Centro de Estudios Farmacológicos y Botánicos, CONICET-UBA, Buenos Aires, Argentina
| | - Federico Jensen
- Laboratorio de Inmunología de la Reproducción, Centro de Estudios Farmacológicos y Botánicos, CONICET-UBA, Buenos Aires, Argentina
| | - Ana María Franchi
- Laboratorio de Fisiopatología de la Preñez y el Parto, Centro de Estudios Farmacológicos y Botánicos, CONICET-UBA, Buenos Aires, Argentina
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55
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Sokolowska M, Rovati GE, Diamant Z, Untersmayr E, Schwarze J, Lukasik Z, Sava F, Angelina A, Palomares O, Akdis CA, O’Mahony L, Sanak M, Dahlen S, Woszczek G. Current perspective on eicosanoids in asthma and allergic diseases: EAACI Task Force consensus report, part I. Allergy 2021; 76:114-130. [PMID: 32279330 DOI: 10.1111/all.14295] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 03/13/2020] [Accepted: 03/25/2020] [Indexed: 12/25/2022]
Abstract
Eicosanoids are biologically active lipid mediators, comprising prostaglandins, leukotrienes, thromboxanes, and lipoxins, involved in several pathophysiological processes relevant to asthma, allergies, and allied diseases. Prostaglandins and leukotrienes are the most studied eicosanoids and established inducers of airway pathophysiology including bronchoconstriction and airway inflammation. Drugs inhibiting the synthesis of lipid mediators or their effects, such as leukotriene synthesis inhibitors, leukotriene receptors antagonists, and more recently prostaglandin D2 receptor antagonists, have been shown to modulate features of asthma and allergic diseases. This review, produced by an European Academy of Allergy and Clinical Immunology (EAACI) task force, highlights our current understanding of eicosanoid biology and its role in mediating human pathology, with a focus on new findings relevant for clinical practice, development of novel therapeutics, and future research opportunities.
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Affiliation(s)
- Milena Sokolowska
- Swiss Institute of Allergy and Asthma Research University of Zurich Davos Switzerland
- Christine Kühne ‐ Center for Allergy Research and Education (CK‐CARE) Davos Switzerland
| | - G. Enrico Rovati
- Department of Pharmaceutical Sciences University of Milan Milan Italy
| | - Zuzana Diamant
- Department of Respiratory Medicine & Allergology Skane University Hospital Lund Sweden
- Department of Respiratory Medicine First Faculty of Medicine Charles University and Thomayer Hospital Prague Czech Republic
| | - Eva Untersmayr
- Institute of Pathophysiology and Allergy Research Center for Pathophysiology, Infectiology and Immunology Medical University of Vienna Vienna Austria
| | - Jargen Schwarze
- Child Life and Health and Centre for Inflammation Research The University of Edinburgh Edinburgh UK
| | - Zuzanna Lukasik
- Swiss Institute of Allergy and Asthma Research University of Zurich Davos Switzerland
| | - Florentina Sava
- London North Genomic Laboratory Hub Great Ormond Street Hospital for Children NHS Foundation Trust London UK
| | - Alba Angelina
- Department of Biochemistry and Molecular Biology School of Chemistry Complutense University Madrid Spain
| | - Oscar Palomares
- Department of Biochemistry and Molecular Biology School of Chemistry Complutense University Madrid Spain
| | - Cezmi A. Akdis
- Swiss Institute of Allergy and Asthma Research University of Zurich Davos Switzerland
- Christine Kühne ‐ Center for Allergy Research and Education (CK‐CARE) Davos Switzerland
| | - Liam O’Mahony
- Departments of Medicine and Microbiology APC Microbiome Ireland University College Cork Cork Ireland
| | - Marek Sanak
- Department of Medicine Jagiellonian University Medical College Krakow Poland
| | - Sven‐Erik Dahlen
- Institute of Environmental Medicine Karolinska Institute Stockholm Sweden
- Centre for Allergy Research Karolinska Institute Stockholm Sweden
| | - Grzegorz Woszczek
- MRC/Asthma UK Centre in Allergic Mechanisms of Asthma School of Immunology & Microbial Sciences King's College London London UK
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Wang R, Wang Y, Harris DCH, Cao Q. Innate lymphoid cells in kidney diseases. Kidney Int 2020; 99:1077-1087. [PMID: 33387602 DOI: 10.1016/j.kint.2020.11.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 11/05/2020] [Accepted: 11/18/2020] [Indexed: 12/16/2022]
Abstract
It is well known that innate immune cells, including dendritic cells, macrophages, and natural killer cells, contribute to pathogenesis and protection in various kidney diseases. The understanding of innate immunity has been advanced recently by the discovery of a new group of innate lymphoid cells (ILCs), including ILC1, ILC2, and ILC3. ILCs lack adaptive antigen receptors, yet can be triggered by various pathogens and rapidly provide an abundant source of immunomodulatory cytokines to exert immediate immune reactions and direct subsequent innate and adaptive immune responses. ILCs play critical roles in immunity, tissue homeostasis, and pathological inflammation. In this review, we highlight the biological function of ILC subpopulations in the normal kidney, and their important roles in acute and chronic kidney diseases, thus demonstrating the emerging importance of ILC-regulated immunity in this special organ and providing insights for future research directions and therapeutic interventions.
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Affiliation(s)
- Ruifeng Wang
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, The University of Sydney, Sydney, New South Wales, Australia
| | - Yiping Wang
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, The University of Sydney, Sydney, New South Wales, Australia
| | - David C H Harris
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, The University of Sydney, Sydney, New South Wales, Australia.
| | - Qi Cao
- Centre for Transplant and Renal Research, Westmead Institute for Medical Research, The University of Sydney, Sydney, New South Wales, Australia.
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57
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Lan L, Xu M, Li J, Liu L, Xu M, Zhou C, Shen L, Tang Z, Wan F. Mas-related G protein-coupled receptor D participates in inflammatory pain by promoting NF-κB activation through interaction with TAK1 and IKK complex. Cell Signal 2020; 76:109813. [DOI: 10.1016/j.cellsig.2020.109813] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 10/15/2020] [Accepted: 10/16/2020] [Indexed: 01/28/2023]
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58
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Song D, Lai L, Ran Z. Metabolic Regulation of Group 3 Innate Lymphoid Cells and Their Role in Inflammatory Bowel Disease. Front Immunol 2020; 11:580467. [PMID: 33193381 PMCID: PMC7649203 DOI: 10.3389/fimmu.2020.580467] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 09/30/2020] [Indexed: 12/16/2022] Open
Abstract
Inflammatory bowel disease (IBD) is characterized by chronic and relapsing inflammatory disorder of the intestine. IBD is associated with complex pathogenesis, and considerable data suggest that innate lymphoid cells contribute to the development and progression of the condition. Group 3 innate lymphoid cells (ILC3s) not only play a protective role in maintaining intestinal homeostasis and gut barrier function, but also a pathogenic role in intestinal inflammation. ILC3s can sense environmental and host-derived signals and combine these cues to modulate cell expansion, migration and function, and transmit information to the broader immune system. Herein, we review current knowledge of how ILC3s can be regulated by dietary nutrients, microbiota and their metabolites, as well as other metabolites. In addition, we describe the phenotypic and functional alterations of ILC3s in IBD and discuss the therapeutic potential of ILC3s in the treatment of IBD.
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Affiliation(s)
- Dongjuan Song
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Inflammatory Bowel Disease Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Institute of Digestive Disease, Shanghai, China
| | - Lijie Lai
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Inflammatory Bowel Disease Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Institute of Digestive Disease, Shanghai, China
| | - Zhihua Ran
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Inflammatory Bowel Disease Research Center, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Institute of Digestive Disease, Shanghai, China
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59
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Alhouayek M, Ameraoui H, Muccioli GG. Bioactive lipids in inflammatory bowel diseases - From pathophysiological alterations to therapeutic opportunities. Biochim Biophys Acta Mol Cell Biol Lipids 2020; 1866:158854. [PMID: 33157277 DOI: 10.1016/j.bbalip.2020.158854] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 10/16/2020] [Accepted: 10/27/2020] [Indexed: 12/12/2022]
Abstract
Inflammatory bowel diseases (IBDs), such as Crohn's disease and ulcerative colitis, are lifelong diseases that remain challenging to treat. IBDs are characterized by alterations in intestinal barrier function and dysregulation of the innate and adaptive immunity. An increasing number of lipids are found to be important regulators of inflammation and immunity as well as gut physiology. Therefore, the study of lipid mediators in IBDs is expected to improve our understanding of disease pathogenesis and lead to novel therapeutic opportunities. Here, through selected examples - such as fatty acids, specialized proresolving mediators, lysophospholipids, endocannabinoids, and oxysterols - we discuss how lipid signaling is involved in IBD physiopathology and how modulating lipid signaling pathways could affect IBDs.
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Affiliation(s)
- Mireille Alhouayek
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, Université catholique de Louvain, 1200 Bruxelles, Belgium.
| | - Hafsa Ameraoui
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, Université catholique de Louvain, 1200 Bruxelles, Belgium
| | - Giulio G Muccioli
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, Université catholique de Louvain, 1200 Bruxelles, Belgium.
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60
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Cheng Q, Wu H, Du Y. The roles of small-molecule inflammatory mediators in rheumatoid arthritis. Scand J Immunol 2020; 93:e12982. [PMID: 33025632 DOI: 10.1111/sji.12982] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 09/17/2020] [Accepted: 09/25/2020] [Indexed: 12/11/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by synovial inflammation and joint destruction. Although great progress has been made in the treatment of RA with antagonists of pro-inflammatory cytokines such as TNF-α, IL-6 and IL-1, the disease remains refractory in some patients. Previous studies have found that small-molecule inflammatory mediators, such as prostaglandins, leukotrienes, reactive oxygen species, nitric oxide, lipoxins and platelet-activating factor, play a significant role in the development of RA. Such compounds help to induce, maintain or reduce inflammation and could therefore be potential therapeutic targets. In this review, we describe the roles of various classes of small-molecule inflammatory mediators in RA and discuss the effects of some drugs that modulate their activity. Many drugs targeting these mediators have demonstrated good efficacy in mouse models of RA but not in patients. However, it is clear that many small-molecule inflammatory mediators play key roles in the pathogenesis of RA, and a better understanding of the underlying molecular pathways may assist in the development of targeted therapies that are efficacious in RA patients.
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Affiliation(s)
- Qi Cheng
- Department of Rheumatology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China.,Department of Clinic Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Huaxiang Wu
- Department of Rheumatology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Yan Du
- Department of Rheumatology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
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Robb CT, Goepp M, Rossi AG, Yao C. Non-steroidal anti-inflammatory drugs, prostaglandins, and COVID-19. Br J Pharmacol 2020; 177:4899-4920. [PMID: 32700336 PMCID: PMC7405053 DOI: 10.1111/bph.15206] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/09/2020] [Accepted: 07/13/2020] [Indexed: 02/06/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the cause of the novel coronavirus disease 2019 (COVID-19), a highly pathogenic and sometimes fatal respiratory disease responsible for the current 2020 global pandemic. Presently, there remains no effective vaccine or efficient treatment strategies against COVID-19. Non-steroidal anti-inflammatory drugs (NSAIDs) are medicines very widely used to alleviate fever, pain, and inflammation (common symptoms of COVID-19 patients) through effectively blocking production of prostaglandins (PGs) via inhibition of cyclooxyganase enzymes. PGs can exert either proinflammatory or anti-inflammatory effects depending on the inflammatory scenario. In this review, we survey the potential roles that NSAIDs and PGs may play during SARS-CoV-2 infection and the development and progression of COVID-19. LINKED ARTICLES: This article is part of a themed issue on The Pharmacology of COVID-19. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v177.21/issuetoc.
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Affiliation(s)
- Calum T. Robb
- Centre for Inflammation Research, Queen's Medical Research InstituteThe University of EdinburghEdinburghUK
| | - Marie Goepp
- Centre for Inflammation Research, Queen's Medical Research InstituteThe University of EdinburghEdinburghUK
| | - Adriano G. Rossi
- Centre for Inflammation Research, Queen's Medical Research InstituteThe University of EdinburghEdinburghUK
| | - Chengcan Yao
- Centre for Inflammation Research, Queen's Medical Research InstituteThe University of EdinburghEdinburghUK
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Yang M, Wang Y, Zhang Y, Li Y, Li Q, Tan J. Role of Interleukin-33 in Staphylococcus epidermidis-Induced Septicemia. Front Immunol 2020; 11:534099. [PMID: 33178181 PMCID: PMC7593707 DOI: 10.3389/fimmu.2020.534099] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 09/10/2020] [Indexed: 11/13/2022] Open
Abstract
Interleukin (IL)-33 is a member of the IL-1 family, which plays an important role in inflammatory response. In this study, we evaluated the effect of IL-33 on septicemia and the underlying mechanisms by establishing a Staphylococcus epidermidis (S. epidermidis)-induced septicemic mouse model. The expression of IL-33, IL-1α, IL-1β, IL-6, IL-17A, IL-22, and PGE2 were measured by double antibody sandwich enzyme-linked immunosorbent assay, and bacterial colony formation in peripheral blood and kidneys were counted postinfection. The percentages of neutrophils, eosinophils, and inflammatory monocytes were evaluated by flow cytometry, and tissue damage was assessed by hematoxylin and eosin (H&E) staining. The survival of septicemic mice was monitored daily. IL-33 expression was significantly augmented following S. epidermidis infection. High IL-33 expression significantly decreased the survival of model mice, and aggravated the damage of lung, liver, and kidney tissues. However, administration of ST2 (receptor for IL-33) to the S. epidermidis-infected mice blocked the IL-33 signaling pathway, which elevated PGE2, IL-17A, and IL-22, and promoted healing of organ damage. In addition, ST2 suppressed the mobilization of inflammatory monocytes, but promoted the accumulation of neutrophils and eosinophils in S. epidermidis-infected mice. Inhibition of PGE2, IL-17A, and IL-22 facilitated the development of septicemia and organ damage in S. epidermidis-infected mice, as well as reducing their survival. Our findings reveal that IL-33 aggravates organ damage in septicemic mice by inhibiting PGE2, IL-17A, and IL-22 production.
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Affiliation(s)
- Min Yang
- Department of Neurosurgery, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yiwen Wang
- Department of Neonatology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yonghong Zhang
- Department of Neonatology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yanjun Li
- Department of Neonatology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qifeng Li
- Department of Pediatric Neurosurgery, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jintong Tan
- Department of Neonatology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Norel X, Sugimoto Y, Ozen G, Abdelazeem H, Amgoud Y, Bouhadoun A, Bassiouni W, Goepp M, Mani S, Manikpurage HD, Senbel A, Longrois D, Heinemann A, Yao C, Clapp LH. International Union of Basic and Clinical Pharmacology. CIX. Differences and Similarities between Human and Rodent Prostaglandin E 2 Receptors (EP1-4) and Prostacyclin Receptor (IP): Specific Roles in Pathophysiologic Conditions. Pharmacol Rev 2020; 72:910-968. [PMID: 32962984 PMCID: PMC7509579 DOI: 10.1124/pr.120.019331] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Prostaglandins are derived from arachidonic acid metabolism through cyclooxygenase activities. Among prostaglandins (PGs), prostacyclin (PGI2) and PGE2 are strongly involved in the regulation of homeostasis and main physiologic functions. In addition, the synthesis of these two prostaglandins is significantly increased during inflammation. PGI2 and PGE2 exert their biologic actions by binding to their respective receptors, namely prostacyclin receptor (IP) and prostaglandin E2 receptor (EP) 1-4, which belong to the family of G-protein-coupled receptors. IP and EP1-4 receptors are widely distributed in the body and thus play various physiologic and pathophysiologic roles. In this review, we discuss the recent advances in studies using pharmacological approaches, genetically modified animals, and genome-wide association studies regarding the roles of IP and EP1-4 receptors in the immune, cardiovascular, nervous, gastrointestinal, respiratory, genitourinary, and musculoskeletal systems. In particular, we highlight similarities and differences between human and rodents in terms of the specific roles of IP and EP1-4 receptors and their downstream signaling pathways, functions, and activities for each biologic system. We also highlight the potential novel therapeutic benefit of targeting IP and EP1-4 receptors in several diseases based on the scientific advances, animal models, and human studies. SIGNIFICANCE STATEMENT: In this review, we present an update of the pathophysiologic role of the prostacyclin receptor, prostaglandin E2 receptor (EP) 1, EP2, EP3, and EP4 receptors when activated by the two main prostaglandins, namely prostacyclin and prostaglandin E2, produced during inflammatory conditions in human and rodents. In addition, this comparison of the published results in each tissue and/or pathology should facilitate the choice of the most appropriate model for the future studies.
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Affiliation(s)
- Xavier Norel
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Yukihiko Sugimoto
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Gulsev Ozen
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Heba Abdelazeem
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Yasmine Amgoud
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Amel Bouhadoun
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Wesam Bassiouni
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Marie Goepp
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Salma Mani
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Hasanga D Manikpurage
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Amira Senbel
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Dan Longrois
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Akos Heinemann
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Chengcan Yao
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
| | - Lucie H Clapp
- Université de Paris, Institut National de la Sante et de la Recherche Medicale (INSERM), UMR-S 1148, CHU X. Bichat, Paris, France (X.N., G.O., H.A., Y.A., A.B., S.M., H.D.M., A.S., D.L.); Université Sorbonne Paris Nord, Villetaneuse, France (X.N., H.A., Y.A., A.B., S.M., D.L.); Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan (Y.S.); Istanbul University, Faculty of Pharmacy, Department of Pharmacology, Istanbul, Turkey (G.O.); Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt (A.S., H.A., W.B.); Centre for Inflammation Research, Queen's Medical Research Institute, The University of Edinburgh, Edinburgh, United Kingdom (C.Y., M.G.); Institut Supérieur de Biotechnologie de Monastir (ISBM), Université de Monastir, Monastir, Tunisia (S.M.); CHU X. Bichat, AP-HP, Paris, France (D.L.); Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Division of Pharmacology, Medical University of Graz, Graz, Austria (A.H.); and Centre for Cardiovascular Physiology & Pharmacology, University College London, London, United Kingdom (L.H.C.)
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Huang Y, Rajput IR, Sanganyado E, Yajing S, Yu F, Liang B, Liu W. Immune stimulation effect of PBDEs via prostaglandin pathway in pantropical spotted dolphin: An in vitro study. CHEMOSPHERE 2020; 254:126717. [PMID: 32339795 DOI: 10.1016/j.chemosphere.2020.126717] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 04/03/2020] [Accepted: 04/04/2020] [Indexed: 06/11/2023]
Abstract
Pantropical spotted dolphins are apex predators and have a long lifespan, which makes them susceptible to chemical pollutants such as polybrominated diphenyl ethers (PBDEs), which are associated with immunotoxicity in wildlife. However, the effects of PBDEs and their mechanism of immunotoxicity in dolphins is largely unknown. Previously, we established fibroblast cell lines obtained from pantropical spotted dolphins (PSD-LWHT) as an in vitro model for assessing the toxicological implications of chemical pollutants in dolphins. In this study, we used the novel immortalized fibroblast cell line to explore the potential immune stimulation effect of PBDEs via prostaglandins signaling pathways to better understand the immunotoxicity pathway of PBDEs in dolphins. BDE-47, -100, and -209 exposure generally resulted in an increase in inflammatory cytokine expression, PGE2 levels, and COX-2 gene expression but BDE-209 resulted in a suppression in IL-10 production. Both protein and mRNA expression of COX-2 and PTGES increased significantly following exposure to the PBDEs. The results suggested BDE-100 and -209 increased prostaglandin E2 (PGE2) production via increased expression of COX-2 and PTGES expression. Only BDE-100 increased expression level of the prostaglandin E2 receptor EP4 while BDE-47 and BDE-209 decreased its expression. This probably explained why suppressive effect on the expression level of anti-inflammatory cytokines were only found in exposure with BDE-47 and BDE-209 rather than BDE-100. The results showed that PBDEs stimulate innate immune response by triggering PGE2-EPs-cAMP-cytokines signaling.
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Affiliation(s)
- Ying Huang
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Science, Shantou University, Shantou, Guangdong, 515063, China
| | - Imran Rashid Rajput
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Science, Shantou University, Shantou, Guangdong, 515063, China; Faculty of Veterinary and Animal Science, Department of Biotechnology, Lasbela Univesity of Agriculture Water and Marine Science, 89250, Uthal, Balochistan, Pakistan
| | - Edmond Sanganyado
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Science, Shantou University, Shantou, Guangdong, 515063, China
| | - Sun Yajing
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Science, Shantou University, Shantou, Guangdong, 515063, China
| | - Fei Yu
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Science, Shantou University, Shantou, Guangdong, 515063, China
| | - Bo Liang
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Science, Shantou University, Shantou, Guangdong, 515063, China.
| | - Wenhua Liu
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Science, Shantou University, Shantou, Guangdong, 515063, China.
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65
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Wawrzyniak P, Noureddine N, Wawrzyniak M, Lucchinetti E, Krämer SD, Rogler G, Zaugg M, Hersberger M. Nutritional Lipids and Mucosal Inflammation. Mol Nutr Food Res 2020; 65:e1901269. [PMID: 32780927 DOI: 10.1002/mnfr.201901269] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 07/24/2020] [Indexed: 12/19/2022]
Abstract
Inflammatory bowel disease (IBD) is characterized by chronic relapsing inflammation in the intestine. Given their role in regulation of inflammation, long-chain n-3 polyunsaturated fatty acids (PUFAs) represent a potential supplementary therapeutic approach to current drug regimens used for IBD. Mechanistically, there is ample evidence for an anti-inflammatory and pro-resolution effect of long-chain n-3 PUFAs after they incorporate into cell membrane phospholipids. They disrupt membrane rafts and when released from the membrane suppress inflammatory signaling by activating PPAR-γ and free fatty acid receptor 4; furthermore, they shift the lipid mediator profile from pro-inflammatory eicosanoids to specialized pro-resolving mediators. The allocation of long-chain n-3 PUFAs also leads to a higher microbiome diversity in the gut, increases short-chain fatty acid-producing bacteria, and improves intestinal barrier function by sealing epithelial tight junctions. In line with these mechanistic studies, most epidemiological studies support a beneficial effect of long-chain n-3 PUFAs intake on reducing the incidence of IBD. However, the results from intervention trials on the prevention of relapse in IBD patients show no or only a marginal effect of long-chain n-3 PUFAs supplementation. In light of the current literature, international recommendations are supported that adequate diet-derived n-3 PUFAs might be beneficial in maintaining remission in IBD patients.
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Affiliation(s)
- Paulina Wawrzyniak
- Division of Clinical Chemistry and Biochemistry, University Children's Hospital Zurich, Zurich, 8032, Switzerland.,Children's Research Center, University Children's Hospital Zurich, Zurich, 8032, Switzerland
| | - Nazek Noureddine
- Division of Clinical Chemistry and Biochemistry, University Children's Hospital Zurich, Zurich, 8032, Switzerland.,Children's Research Center, University Children's Hospital Zurich, Zurich, 8032, Switzerland.,Center for Integrative Human Physiology, University of Zurich, Zurich, 8057, Switzerland
| | - Marcin Wawrzyniak
- Department of Gastroenterology and Hepatology, University Hospital Zurich and University of Zurich, Zurich, 8091, Switzerland
| | - Eliana Lucchinetti
- Department of Anesthesiology and Pain Medicine and Cardiovascular Research Centre, University of Alberta, Edmonton, T6G 2R3, Canada
| | - Stefanie D Krämer
- Institute of Pharmaceutical Sciences, Department of Chemistry and Applied Biosciences, ETH Zurich, Zurich, 8093, Switzerland
| | - Gerhard Rogler
- Department of Gastroenterology and Hepatology, University Hospital Zurich and University of Zurich, Zurich, 8091, Switzerland
| | - Michael Zaugg
- Department of Anesthesiology and Pain Medicine and Cardiovascular Research Centre, University of Alberta, Edmonton, T6G 2R3, Canada.,Department of Pharmacology, University of Alberta, Edmonton, T6G 2R3, Canada
| | - Martin Hersberger
- Division of Clinical Chemistry and Biochemistry, University Children's Hospital Zurich, Zurich, 8032, Switzerland.,Children's Research Center, University Children's Hospital Zurich, Zurich, 8032, Switzerland.,Center for Integrative Human Physiology, University of Zurich, Zurich, 8057, Switzerland
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66
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Gonzalez-Pujana A, Vining KH, Zhang DKY, Santos-Vizcaino E, Igartua M, Hernandez RM, Mooney DJ. Multifunctional biomimetic hydrogel systems to boost the immunomodulatory potential of mesenchymal stromal cells. Biomaterials 2020; 257:120266. [PMID: 32763614 DOI: 10.1016/j.biomaterials.2020.120266] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 07/17/2020] [Accepted: 07/26/2020] [Indexed: 02/06/2023]
Abstract
Mesenchymal stromal cells (MSCs) hold great therapeutic potential, in part because of their immunomodulatory properties. However, these properties can be transient and depend on multiple factors. Here, we developed a multifunctional hydrogel system to synergistically enhance the immunomodulatory properties of MSCs, using a combination of sustained inflammatory licensing and three-dimensional (3D) encapsulation in hydrogels with tunable mechanical properties. The immunomodulatory extracellular matrix hydrogels (iECM) consist of an interpenetrating network of click functionalized-alginate and fibrillar collagen, in which interferon γ (IFN-γ) loaded heparin-coated beads are incorporated. The 3D microenvironment significantly enhanced the expression of a wide panel of pivotal immunomodulatory genes in bone marrow-derived primary human MSCs (hMSCs), compared to two-dimensional (2D) tissue culture. Moreover, the inclusion of IFN-γ loaded heparin-coated beads prolonged the expression of key regulatory genes upregulated upon licensing, including indoleamine 2,3-dioxygenase 1 (IDO1) and galectin-9 (GAL9). At a protein level, iECM hydrogels enhanced the secretion of the licensing responsive factor Gal-9 by hMSCs. Its presence in hydrogel conditioned media confirmed the correct release and diffusion of the factors secreted by hMSCs from the system. Furthermore, co-culture of iECM-encapsulated hMSCs and activated human T cells resulted in suppressed proliferation, demonstrating direct regulation on immune cells. These data highlight the potential of iECM hydrogels to enhance the immunomodulatory properties of hMSCs in cell therapies.
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Affiliation(s)
- Ainhoa Gonzalez-Pujana
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain; Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN). Vitoria-Gasteiz, Spain
| | - Kyle H Vining
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, MA, USA
| | - David K Y Zhang
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, MA, USA
| | - Edorta Santos-Vizcaino
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain; Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN). Vitoria-Gasteiz, Spain
| | - Manoli Igartua
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain; Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN). Vitoria-Gasteiz, Spain
| | - Rosa Maria Hernandez
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain; Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN). Vitoria-Gasteiz, Spain.
| | - David J Mooney
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, MA, USA.
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67
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Huang N, Wang M, Peng J, Wei H. Role of arachidonic acid-derived eicosanoids in intestinal innate immunity. Crit Rev Food Sci Nutr 2020; 61:2399-2410. [PMID: 32662287 DOI: 10.1080/10408398.2020.1777932] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Arachidonic acid (ARA), an n-6 essential fatty acid, plays an important role in human and animal growth and development. The ARA presents in the membrane phospholipids can be released by phospholipase A2. These free arachidonic acid molecules are then used to produce eicosanoids through three different pathways. Previous studies have demonstrated that eicosanoids have a wide range of physiological functions. Although they are generally considered to be pro-inflammatory molecules, recent advances have elucidated they have an effect on innate immunity via regulating the development, and differentiation of innate immune cells and the function of the intestinal epithelial barrier. Here, we review eicosanoids generation in intestine and their role in intestinal innate immunity, focusing on intestinal epithelial barrier, innate immune cell in lamina propria (LP) and their crosstalk.
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Affiliation(s)
- Ningning Huang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, PR China
| | - Miaomiao Wang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, PR China
| | - Jian Peng
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, PR China
| | - Hongkui Wei
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, PR China
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68
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Innate lymphoid cells control signaling circuits to regulate tissue-specific immunity. Cell Res 2020; 30:475-491. [PMID: 32376911 PMCID: PMC7264134 DOI: 10.1038/s41422-020-0323-8] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 04/15/2020] [Indexed: 12/21/2022] Open
Abstract
The multifaceted organization of the immune system involves not only patrolling lymphocytes that constantly monitor antigen-presenting cells in secondary lymphoid organs but also immune cells that establish permanent tissue-residency. The integration in the respective tissue and the adaption to the organ milieu enable tissue-resident cells to establish signaling circuits with parenchymal cells to coordinate immune responses and maintain tissue homeostasis. Innate lymphoid cells (ILCs) are tissue-resident innate immune cells that have a similar functional diversity to T cells including lineage-specifying transcription factors that drive certain effector programs. Since their formal discovery 10 years ago, it has become clear that ILCs are present in almost every tissue but strongly enriched at barrier surfaces, where they regulate immunity to infection, chronic inflammation, and tissue maintenance. In this context, recent research has identified ILCs as key in orchestrating tissue homeostasis through their ability to sustain bidirectional interactions with epithelial cells, neurons, stromal cells, adipocytes, and many other tissue-resident cells. In this review, we provide a comprehensive discussion of recent studies that define the development and heterogeneity of ILC populations and their impact on innate and adaptive immunity. Further, we discuss emerging research on the influence of the nervous system, circadian rhythm, and developmental plasticity on ILC function. Uncovering the signaling circuits that control development and function of ILCs will provide an integrated view on how immune responses in tissues are synchronized with functional relevance far beyond the classical view of the role of the immune system in discrimination between self/non-self and host defense.
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69
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Seo GY, Giles DA, Kronenberg M. The role of innate lymphoid cells in response to microbes at mucosal surfaces. Mucosal Immunol 2020; 13:399-412. [PMID: 32047273 PMCID: PMC7186215 DOI: 10.1038/s41385-020-0265-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 01/24/2020] [Accepted: 01/27/2020] [Indexed: 02/04/2023]
Abstract
Innate lymphoid cells (ILCs) are a lymphocyte population that is mostly resident at mucosal surfaces. They help to induce an appropriate immune response to the microbiome at homeostasis. In healthy people, the mucosal immune system works symbiotically with organisms that make up the microbiota. ILCs play a critical role in orchestrating this balance, as they can both influence and in turn be influenced by the microbiome. ILCs also are important regulators of the early response to infections by diverse types of pathogenic microbes at mucosal barriers. Their rapid responses initiate inflammatory programs, production of antimicrobial products and repair processes. This review will focus on the role of ILCs in response to the microbiota and to microbial infections of the lung and intestine.
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Affiliation(s)
- Goo-Young Seo
- Division of Developmental Immunology, La Jolla Institute for Immunology, 9420 Athena Circle La Jolla, CA, 92037, USA
| | - Daniel A Giles
- Division of Developmental Immunology, La Jolla Institute for Immunology, 9420 Athena Circle La Jolla, CA, 92037, USA
| | - Mitchell Kronenberg
- Division of Developmental Immunology, La Jolla Institute for Immunology, 9420 Athena Circle La Jolla, CA, 92037, USA,Division of Biology, University of California San Diego, La Jolla, CA 92037, USA,Correspondence:
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70
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Das UN. Response to: Bioactive Lipids and Coronavirus (COVID-19)-further Discussion. Arch Med Res 2020; 51:445-449. [PMID: 32345532 PMCID: PMC7158824 DOI: 10.1016/j.arcmed.2020.04.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 04/10/2020] [Indexed: 12/31/2022]
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71
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Tsuge K, Inazumi T, Shimamoto A, Sugimoto Y. Molecular mechanisms underlying prostaglandin E2-exacerbated inflammation and immune diseases. Int Immunol 2020; 31:597-606. [PMID: 30926983 DOI: 10.1093/intimm/dxz021] [Citation(s) in RCA: 137] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Accepted: 03/18/2019] [Indexed: 01/12/2023] Open
Abstract
Prostaglandins (PGs) are the major lipid mediators in animals and which are biosynthesized from arachidonic acid by the cyclooxygenases (COX-1 or COX-2) as the rate-limiting enzymes. Prostaglandin E2 (PGE2), which is the most abundantly detected PG in various tissues, exerts versatile physiological and pathological actions via four receptor subtypes (EP1-4). Non-steroidal anti-inflammatory drugs, such as aspirin and indomethacin, exert potent anti-inflammatory actions by the inhibition of COX activity and the resulting suppression of PG production. Therefore, PGE2 has been shown to exacerbate several inflammatory responses and immune diseases. Recently, studies using mice deficient in each PG receptor subtype have clarified the detailed mechanisms underlying PGE2-associated inflammation and autoimmune diseases involving each EP receptor. Here, we review the recent advances in our understanding of the roles of PGE2 receptors in the progression of acute and chronic inflammation and autoimmune diseases. PGE2 induces acute inflammation through mast cell activation via the EP3 receptor. PGE2 also induces chronic inflammation and various autoimmune diseases through T helper 1 (Th1)-cell differentiation, Th17-cell proliferation and IL-22 production from Th22 cells via the EP2 and EP4 receptors. The possibility of EP receptor-targeted drug development for the treatment of immune diseases is also discussed.
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Affiliation(s)
- Kyoshiro Tsuge
- Department of Regenerative Medicine Research, Faculty of Pharmaceutical Sciences, Sanyo-Onoda City University, Sanyo-Onoda, Yamaguchi, Japan
| | - Tomoaki Inazumi
- Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan.,Japan Agency for Medical Research and Development-Core Research for Evolutional Science and Technology, Chiyoda-ku, Tokyo, Japan
| | - Akira Shimamoto
- Department of Regenerative Medicine Research, Faculty of Pharmaceutical Sciences, Sanyo-Onoda City University, Sanyo-Onoda, Yamaguchi, Japan
| | - Yukihiko Sugimoto
- Department of Pharmaceutical Biochemistry, Graduate School of Pharmaceutical Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan.,Japan Agency for Medical Research and Development-Core Research for Evolutional Science and Technology, Chiyoda-ku, Tokyo, Japan
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72
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Smeda M, Kij A, Proniewski B, Matyjaszczyk-Gwarda K, Przyborowski K, Jasztal A, Derszniak K, Berkowicz P, Kieronska-Rudek A, Stojak M, Sternak M, Chlopicki S. Unexpected effects of long-term treatment with acetylsalicylic acid on late phase of pulmonary metastasis in murine model of orthotopic breast cancer. PLoS One 2020; 15:e0230520. [PMID: 32251451 PMCID: PMC7135281 DOI: 10.1371/journal.pone.0230520] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 03/02/2020] [Indexed: 12/20/2022] Open
Abstract
Long-term administration of acetylsalicylic acid (ASA) was effective in prevention of colorectal cancer, whereas the efficacy of this compound in other cancer types, including breast cancer, has been less convincingly documented. Indeed, the antimetastatic effect of low-dose ASA was observed only in the early intravascular phase of metastasis of breast cancer. In the present work, we characterized the effects of long-term treatment with ASA on the late phase of pulmonary metastasis in a mouse orthotopic 4T1 breast cancer model. Mice were treated with ASA at a dose of 12 mg·kg-1 of body weight daily starting one week prior to inoculation of 4T1 breast cancer cells, and the treatment was continued throughout progression of the disease. ASA administration decreased platelet TXB2 production in ex vivo assays but did not change thrombin-induced platelet reactivity. Although the number of metastases in the lungs remained unchanged in ASA-treated mice, infiltration of inflammatory cells was increased concomitantly with higher G-CSF and serotonin concentrations in the lungs. Pulmonary NO production was compromised compared to control 4T1 mice. ASA treatment also evoked an increase in platelet and granulocyte counts and decreased systemic NO bioavailability along with increased markers of systemic oxidant stress such as higher GSSG/lower GSH concentrations in RBC. Analysis of eicosanoids in stirred blood demonstrated that administration of ASA at a dose of 12 mg·kg-1 to cancer-bearing mice had an effect beyond inhibition of platelet COX-1, suggesting long-term treatment with low-dose aspirin is not a selective murine platelet COX-1/TXA2 pathway inhibitor in cancer-bearing mice. In summary, quite surprisingly, long-term treatment with low-dose ASA administered until the advanced phase of breast cancer in a murine orthotopic model of 4T1 breast cancer negatively affected the phenotype of the disease.
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Affiliation(s)
- Marta Smeda
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
| | - Agnieszka Kij
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
| | - Bartosz Proniewski
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
| | | | - Kamil Przyborowski
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
| | - Agnieszka Jasztal
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
| | - Katarzyna Derszniak
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
| | - Piotr Berkowicz
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
- Department of Pharmacology, Jagiellonian University Medical College, Krakow, Poland
| | - Anna Kieronska-Rudek
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
| | - Marta Stojak
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
| | - Magdalena Sternak
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
| | - Stefan Chlopicki
- Jagiellonian Centre for Experimental Therapeutics, Jagiellonian University, Krakow, Poland
- Department of Pharmacology, Jagiellonian University Medical College, Krakow, Poland
- * E-mail:
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73
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Chang RQ, Zhou WJ, Li DJ, Li MQ. Innate Lymphoid Cells at the Maternal-Fetal Interface in Human Pregnancy. Int J Biol Sci 2020; 16:957-969. [PMID: 32140065 PMCID: PMC7053337 DOI: 10.7150/ijbs.38264] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 01/06/2020] [Indexed: 12/12/2022] Open
Abstract
Pregnancy constitutes a major challenge to the maternal immune system, which must tolerate fetal alloantigen encoded by paternal genes. In addition to their role in inducing maternal-fetal immune tolerance, accumulating evidence indicates that decidual immune cells are involved in several processes required for a successful pregnancy, including trophoblast invasion as well as tissue and spiral artery remodeling. Innate lymphoid cells (ILCs), an important branch of the innate immune system, which has expanded rapidly in recent years, are strong actors in mucosal immunity, tissue homeostasis and metabolism regulation. With the recent identification of ILCs in the human decidua, the role of ILCs at the maternal-fetal interface raises concern. Herein, we review the presence and characterization of ILCs in the human decidua, as well as their function in normal pregnancy and pathological pregnancy, including reproductive failure, preeclampsia and others.
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Affiliation(s)
- Rui-Qi Chang
- Laboratory for Reproductive Immunology, NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University Shanghai Medical College, Shanghai 200082, People's Republic of China
| | - Wen-Jie Zhou
- Laboratory for Reproductive Immunology, NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University Shanghai Medical College, Shanghai 200082, People's Republic of China
| | - Da-Jin Li
- Laboratory for Reproductive Immunology, NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University Shanghai Medical College, Shanghai 200082, People's Republic of China.,Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, 200011, People's Republic of China
| | - Ming-Qing Li
- Laboratory for Reproductive Immunology, NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University Shanghai Medical College, Shanghai 200082, People's Republic of China.,Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai, 200011, People's Republic of China
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74
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Microbial Sensing by Intestinal Myeloid Cells Controls Carcinogenesis and Epithelial Differentiation. Cell Rep 2020; 24:2342-2355. [PMID: 30157428 PMCID: PMC6177233 DOI: 10.1016/j.celrep.2018.07.066] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 05/24/2018] [Accepted: 07/18/2018] [Indexed: 12/20/2022] Open
Abstract
Physiologic microbe-host interactions in the intestine require the maintenance of the microbiota in a luminal compartment through a complex interplay between epithelial and immune cells. However, the roles of mucosal myeloid cells in this process remain incompletely understood. In this study, we identified that decreased myeloid cell phagocytic activity promotes colon tumorigenesis. We show that this is due to bacterial accumulation in the lamina propria and present evidence that the underlying mechanism is bacterial induction of prostaglandin production by myeloid cells. Moreover, we show that similar events in the normal colonic mucosa lead to reductions in Tuft cells, goblet cells, and the mucus barrier of the colonic epithelium. These alterations are again linked to the induction of prostaglandin production in response to bacterial penetration of the mucosa. Altogether, our work highlights immune cell-epithelial cell interactions triggered by the microbiota that control intestinal immunity, epithelial differentiation, and carcinogenesis.
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75
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Das UN. Molecular pathobiology of scleritis and its therapeutic implications. Int J Ophthalmol 2020; 13:163-175. [PMID: 31956585 DOI: 10.18240/ijo.2020.01.23] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 09/12/2019] [Indexed: 11/23/2022] Open
Abstract
Scleritis and other autoimmune diseases are characterized by an imbalance in the levels of pro-inflammatory and anti-inflammatory molecules with the balance tilted more towards the former due to the failure of recognition of self. The triggering of inflammatory process could be ascribed to the presence of cytoplasmic DNA/chromatin that leads to activation of cytosolic DNA-sensing cGAS-STING (cyclic GMP-AMP synthase linked to stimulator of interferon genes) pathway and enhanced expression of NF-κB that results in an increase in the production of pro-inflammatory bioactive lipids. Bioactive lipids gamma-linolenic acid (GLA), dihomo-GLA (DGLA), prostaglandin E1 (PGE1), prostacyclin (PGI2) and lipoxin A4, resolvins, protectins and maresins have anti-inflammatory actions, bind to DNA to render it non-antigenic and are decreased in autoimmune diseases. These results suggest that efforts designed to enhance the production of anti-inflammatory bioactive lipids may form a new approach to autoimmune diseases. Local injection or infusion of lipoxins, resolvins, protectins and maresins or their precursors such as arachidonic acid may be exploited in the prevention and management of autoimmune diseases including scleritis, uveitis and lupus/rheumatoid arthritis.
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Affiliation(s)
- Undurti N Das
- UND Life Sciences, Battle Ground, WA 98604, USA.,BioScience Research Centre and Department of Medicine, GVP Medical College and Hospital, Visakhapatnam 530048, India
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76
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Gonzalez-Pujana A, Igartua M, Santos-Vizcaino E, Hernandez RM. Mesenchymal stromal cell based therapies for the treatment of immune disorders: recent milestones and future challenges. Expert Opin Drug Deliv 2020; 17:189-200. [PMID: 31918562 DOI: 10.1080/17425247.2020.1714587] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Introduction: Mesenchymal stromal cells (MSCs) present unique immunomodulatory properties that make them promising candidates for the treatment of inflammatory and immune disorders. MSC-mediated immunomodulation is a complex combination of mechanisms, in which the secretome plays a fundamental role. The plethora of bioactive molecules MSCs produce, such as indoleamine 2,3-dioxygenase (IDO) or prostaglandin E2 (PGE2), efficiently regulates innate and adaptive immunity. As a result, MSCs have been extensively employed in preclinical studies, leading to the conduction of multiple clinical trials.Areas covered: This review summarizes the effects of some of the key biomolecules in the MSC secretome and the advances in preclinical studies exploring the treatment of disorders including graft-versus-host disease (GvHD) or inflammatory bowel disease (IBD). Further, late-stage clinical trials and the first MSC-based therapies that recently obtained regulatory approval are discussed.Expert opinion: Extensive research supports the potential of MSC-based immunomodulatory therapies. However, to establish the bases for clinical translation, the future of study lies in the standardization of protocols and in the development of strategies that boost the therapeutic properties of MSCs.
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Affiliation(s)
- Ainhoa Gonzalez-Pujana
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country, UPV/EHU, Vitoria-Gasteiz, Spain.,Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz, Spain
| | - Manoli Igartua
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country, UPV/EHU, Vitoria-Gasteiz, Spain.,Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz, Spain
| | - Edorta Santos-Vizcaino
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country, UPV/EHU, Vitoria-Gasteiz, Spain.,Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz, Spain
| | - Rosa Maria Hernandez
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country, UPV/EHU, Vitoria-Gasteiz, Spain.,Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz, Spain
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Maurano F, Ogita T, Luongo D, Rotondi Aufiero V, Bergamo P, Mazzarella G, Tanabe S, Rossi M. Innate immunity is a late event in the onset of gliadin-specific enteropathy in the HLA-DQ8 mice. Immunobiology 2020; 225:151903. [PMID: 31928782 DOI: 10.1016/j.imbio.2020.151903] [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: 10/11/2019] [Accepted: 01/05/2020] [Indexed: 12/30/2022]
Abstract
Celiac disease (CD) is a food enteropathy that occurs in genetically susceptible individuals following the ingestion of gluten. Both gluten cytotoxicity and immunity activation play a role in CD pathogenesis; however, the chronological assessment of the different pathogenic mechanisms remains elusive. The models developed so far have only partially addressed this issue. Herein, Ab°DQ8 transgenic mice were administered wheat gliadin and indomethacin for 10 days to induce enteropathy. Gliadin-induced alteration of the small intestinal architecture was associated with increased expression of tissue transglutaminase in the lamina propria and a marked hypoxic environment. Enteropathic mice showed activation of innate immunity, featuring an increase of pro-inflammatory IFN-γ and IL-15 mRNAs, as well as CD11c+CD103+, CD11b+CD11c+, and CD11b+CD103+ dendritic cell subsets. However, the temporal assessment of examined parameters indicated that the induction of innate immunity during the generation of the mucosal lesion, occurred belatedly, highlighting a major role of gliadin intrinsic cytotoxicity in the pathogenic mechanism of this model. These results have important implications for the use of this model to test the impact of biotechnological interventions to reduce the cytotoxicity of gliadin.
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Affiliation(s)
- Francesco Maurano
- Institute of Food Sciences, National Research Council, Avellino, Italy
| | - Tasuku Ogita
- Department of Biomolecular Innovation, Institute for Biomedical Sciences, Shinshu University, 8304 Minamiminowa, Kamiina, Nagano 399-4598, Japan
| | - Diomira Luongo
- Institute of Food Sciences, National Research Council, Avellino, Italy
| | | | - Paolo Bergamo
- Institute of Food Sciences, National Research Council, Avellino, Italy
| | | | - Soichi Tanabe
- Hiroshima University, Graduate School of Biosphere Science, Hiroshima, Japan
| | - Mauro Rossi
- Institute of Food Sciences, National Research Council, Avellino, Italy.
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Abstract
Our own studies and those of others have shown that defects in essential fatty acid (EFA) metabolism occurs in age-related disorders such as obesity, type 2 diabetes mellitus, hypertension, atherosclerosis, coronary heart disease, immune dysfunction and cancer. It has been noted that in all these disorders there could occur a defect in the activities of desaturases, cyclo-oxygenase (COX), and lipoxygenase (LOX) enzymes leading to a decrease in the formation of their long-chain products gamma-linolenic acid (GLA), arachidonic acid, eicosapentaenoic acid (EPA), docosapentaenoic acid (DPA) and docosahexaenoic acid (DHA). This leads to an increase in the production of pro-inflammatory prostaglandin E2 (PGE2), thromboxanes (TXs), and leukotrienes (LTs) and a decrease in anti-inflammatory lipoxin A4, resolvins, protectins and maresins. All these bioactive molecules are termed as bioactive lipids (BALs). This imbalance in the metabolites of EFAs leads to low-grade systemic inflammation and at times acute inflammatory events at specific local sites that trigger the development of various age-related disorders such as obesity, type 2 diabetes mellitus, hypertension, coronary heart disease, atherosclerosis, and immune dysfunction as seen in rheumatoid arthritis, lupus, nephritis and other localized inflammatory conditions. This evidence implies that methods designed to restore BALs to normal can prevent age-related disorders and enhance longevity and health.
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Poorani R, Bhatt AN, Das UN. Modulation of pro-inflammatory and pro-resolution mediators by γ-linolenic acid: an important element in radioprotection against ionizing radiation. Arch Med Sci 2020; 16:1448-1456. [PMID: 33224346 PMCID: PMC7667419 DOI: 10.5114/aoms.2020.92469] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 01/16/2019] [Indexed: 01/25/2023] Open
Abstract
INTRODUCTION The current study explored the radio-protective property of γ-linolenic acid (GLA) in C57BL/6J mice against low linear energy transfer ionizing radiation (IR; X-rays) and its modulatory effect on the production of lipid mediators such as prostaglandin E2 (PGE2), leukotriene E4 and lipoxin A4 (LXA4) in mice plasma. METHODS The effect of GLA pre-treatment on radiation induced inflammation was assessed by estimating plasma levels of high mobility group box 1 protein (HMGB1), TMOP/NO and various anti-oxidant enzymes. RESULTS γ-linolenic acid pre-treated mice exposed to lethal IR dose (7.5 Gy) showed a decrease in plasma levels of HMGB1, PGE2 and LXA4 and a fall in TMOP/NO ratio and improvement in anti-oxidant enzymes: catalase, glutathione transferase and glutathione peroxidase compared to IR mice, suggesting that GLA suppresses IR-induced inflammation and restores the pro- vs. anti-oxidant ratio to near normal, which could explain its radioprotective action. CONCLUSIONS GLA showed radioprotective action.
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Affiliation(s)
- Rangachar Poorani
- Institute of Nuclear Medicine and Allied Sciences, DRDO, Delhi, India
- BioScience Research Centre and Department of Medicine, GVP Hospital and Medical College, Visakhapatnam, India
| | - Anant N. Bhatt
- Institute of Nuclear Medicine and Allied Sciences, DRDO, Delhi, India
| | - Undurti N. Das
- BioScience Research Centre and Department of Medicine, GVP Hospital and Medical College, Visakhapatnam, India
- UND Life Sciences, Battle Ground, WA, USA
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80
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Park T, Chen H, Kim HY. GPR110 (ADGRF1) mediates anti-inflammatory effects of N-docosahexaenoylethanolamine. J Neuroinflammation 2019; 16:225. [PMID: 31730008 PMCID: PMC6858791 DOI: 10.1186/s12974-019-1621-2] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 10/22/2019] [Indexed: 02/08/2023] Open
Abstract
Background Neuroinflammation is a widely accepted underlying condition for various pathological processes in the brain. In a recent study, synaptamide, an endogenous metabolite derived from docosahexaenoic acid (DHA, 22:6n-3), was identified as a specific ligand to orphan adhesion G-protein-coupled receptor 110 (GPR110, ADGRF1). Synaptamide has been shown to suppress lipopolysaccharide (LPS)-induced neuroinflammation in mice, but involvement of GPR110 in this process has not been established. In this study, we investigated the possible immune regulatory role of GPR110 in mediating the anti-neuroinflammatory effects of synaptamide under a systemic inflammatory condition. Methods For in vitro studies, we assessed the role of GPR110 in synaptamide effects on LPS-induced inflammatory responses in adult primary mouse microglia, immortalized murine microglial cells (BV2), primary neutrophil, and peritoneal macrophage by using quantitative PCR (qPCR) and enzyme-linked immunosorbent assay (ELISA) as well as neutrophil migration and ROS production assays. To evaluate in vivo effects, wild-type (WT) and GPR110 knock-out (KO) mice were injected with LPS intraperitoneally (i.p.) or TNF intravenously (i.v.) followed by synaptamide (i.p.), and expression of proinflammatory mediators was measured by qPCR, ELISA, and western blot analysis. Activated microglia in the brain and NF-kB activation in cells were examined microscopically after immunostaining for Iba-1 and RelA, respectively. Results Intraperitoneal (i.p.) administration of LPS increased TNF and IL-1β in the blood and induced pro-inflammatory cytokine expression in the brain. Subsequent i.p. injection of the GPR110 ligand synaptamide significantly reduced LPS-induced inflammatory responses in wild-type (WT) but not in GPR110 knock-out (KO) mice. In cultured microglia, synaptamide increased cAMP and inhibited LPS-induced proinflammatory cytokine expression by inhibiting the translocation of NF-κB subunit RelA into the nucleus. These effects were abolished by blocking synaptamide binding to GPR110 using an N-terminal targeting antibody. GPR110 expression was found to be high in neutrophils and macrophages where synaptamide also caused a GPR110-dependent increase in cAMP and inhibition of LPS-induced pro-inflammatory mediator expression. Intravenous injection of TNF, a pro-inflammatory cytokine that increases in the circulation after LPS treatment, elicited inflammatory responses in the brain which were dampened by the subsequent injection (i.p.) of synaptamide in a GPR110-dependent manner. Conclusion Our study demonstrates the immune-regulatory function of GPR110 in both brain and periphery, collectively contributing to the anti-neuroinflammatory effects of synaptamide under a systemic inflammatory condition. We suggest GPR110 activation as a novel therapeutic strategy to ameliorate inflammation in the brain as well as periphery.
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Affiliation(s)
- Taeyeop Park
- Laboratory of Molecular Signaling, National Institute of Alcohol Abuse and Alcoholism, 5625 Fishers Lane, Rm. 3N-07, Rockville, MD, 20852, USA
| | - Huazhen Chen
- Laboratory of Molecular Signaling, National Institute of Alcohol Abuse and Alcoholism, 5625 Fishers Lane, Rm. 3N-07, Rockville, MD, 20852, USA
| | - Hee-Yong Kim
- Laboratory of Molecular Signaling, National Institute of Alcohol Abuse and Alcoholism, 5625 Fishers Lane, Rm. 3N-07, Rockville, MD, 20852, USA.
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81
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Das UN. Bioactive lipids as modulators of immune check point inhibitors. Med Hypotheses 2019; 135:109473. [PMID: 31733534 DOI: 10.1016/j.mehy.2019.109473] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 11/02/2019] [Indexed: 02/07/2023]
Abstract
It is proposed that arachidonic acid (AA, 20:4 n-6) and other polyunsaturated fatty acids (PUFAs) in combination with immune check point inhibitors and tumor infiltrating lymphocytes (TILs) enhances the activity of T and NK cells and macrophages and thus, aids in the elimination of tumor cells and suppresses inflammatory side effects due to immune check point inhibitors.
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Affiliation(s)
- Undurti N Das
- UND Life Sciences, 2221 NW 5th St, Battle Ground, WA 98604, USA; BioScience Research Centre, GVP College of Engineering Campus and Department of Medicine, GVP Hospital and Medical College, Visakhapatnam 530048, India.
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82
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Zhang Z, Tang H, Chen P, Xie H, Tao Y. Demystifying the manipulation of host immunity, metabolism, and extraintestinal tumors by the gut microbiome. Signal Transduct Target Ther 2019; 4:41. [PMID: 31637019 PMCID: PMC6799818 DOI: 10.1038/s41392-019-0074-5] [Citation(s) in RCA: 133] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 08/27/2019] [Accepted: 08/27/2019] [Indexed: 02/06/2023] Open
Abstract
The trillions of microorganisms in the gut microbiome have attracted much attention recently owing to their sophisticated and widespread impacts on numerous aspects of host pathophysiology. Remarkable progress in large-scale sequencing and mass spectrometry has increased our understanding of the influence of the microbiome and/or its metabolites on the onset and progression of extraintestinal cancers and the efficacy of cancer immunotherapy. Given the plasticity in microbial composition and function, microbial-based therapeutic interventions, including dietary modulation, prebiotics, and probiotics, as well as fecal microbial transplantation, potentially permit the development of novel strategies for cancer therapy to improve clinical outcomes. Herein, we summarize the latest evidence on the involvement of the gut microbiome in host immunity and metabolism, the effects of the microbiome on extraintestinal cancers and the immune response, and strategies to modulate the gut microbiome, and we discuss ongoing studies and future areas of research that deserve focused research efforts.
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Affiliation(s)
- Ziying Zhang
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Department of Pathology, Xiangya Hospital, Central South University, 410078 Hunan, China
- NHC Key Laboratory of Carcinogenesis (Central South University), Cancer Research Institute and School of Basic Medicine, Central South University, 410078 Changsha, Hunan China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, Department of Thoracic Surgery, Second Xiangya Hospital, Central South University, 410011 Changsha, China
- Department of Oncology, Third Xiangya Hospital, Central South University, 410013 Changsha, China
| | - Haosheng Tang
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Department of Pathology, Xiangya Hospital, Central South University, 410078 Hunan, China
- NHC Key Laboratory of Carcinogenesis (Central South University), Cancer Research Institute and School of Basic Medicine, Central South University, 410078 Changsha, Hunan China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, Department of Thoracic Surgery, Second Xiangya Hospital, Central South University, 410011 Changsha, China
| | - Peng Chen
- Department of Urology, Xiangya Hospital, Central South University, 410008 Changsha, China
| | - Hui Xie
- Department of Thoracic and Cardiovascular Surgery, Second Xiangya Hospital of Central South University, 410011 Changsha, China
| | - Yongguang Tao
- Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education, Department of Pathology, Xiangya Hospital, Central South University, 410078 Hunan, China
- NHC Key Laboratory of Carcinogenesis (Central South University), Cancer Research Institute and School of Basic Medicine, Central South University, 410078 Changsha, Hunan China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, Department of Thoracic Surgery, Second Xiangya Hospital, Central South University, 410011 Changsha, China
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83
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Maseda D, Ricciotti E, Crofford LJ. Prostaglandin regulation of T cell biology. Pharmacol Res 2019; 149:104456. [PMID: 31553935 DOI: 10.1016/j.phrs.2019.104456] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 08/06/2019] [Accepted: 09/13/2019] [Indexed: 12/26/2022]
Abstract
Prostaglandins (PG) are pleiotropic bioactive lipids involved in the control of many physiological processes, including key roles in regulating inflammation. This links PG to the modulation of the quality and magnitude of immune responses. T cells, as a core part of the immune system, respond readily to inflammatory cues from their environment, and express a diverse array of PG receptors that contribute to their function and phenotype. Here we put in context our knowledge about how PG affect T cell biology, and review advances that bring light into how specific T cell functions that have been newly discovered are modulated through PG. We will also comment on drugs that target PG metabolism and sensing, their effect on T cell function during disease, and we will finally discuss how we can design new approaches that modulate PG in order to maximize desired therapeutic T cell effects.
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Affiliation(s)
- Damian Maseda
- Department of Microbiology, University of Pennsylvania School of Medicine, 8-138 Smillow Center for Translational Research, Philadelphia, PA, USA.
| | - Emanuela Ricciotti
- Department of Systems Pharmacology and Translational Therapeutics, Institute for Translational Medicine and Therapeutics, University of Pennsylvania, Philadelphia, PA, USA
| | - Leslie J Crofford
- Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA
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84
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Xiong J, Wang H, He J, Wang Q. Functions of Group 2 Innate Lymphoid Cells in Tumor Microenvironment. Front Immunol 2019; 10:1615. [PMID: 31354745 PMCID: PMC6635601 DOI: 10.3389/fimmu.2019.01615] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 06/28/2019] [Indexed: 12/13/2022] Open
Abstract
Innate lymphoid cells (ILCs), defined as a heterogeneous population of lymphocytes, have received much attention over recent years. They can be categorized into three subsets according to the expression profiles of transcription factors and differing levels of cytokine production. These cells are widely distributed in human organs and tissues, especially in mucosal tissue. The ILCs are involved in various physiological and pathological processes, including inflammation, worm expulsion, autoimmune disease and tumor progression, many of which have been investigated and clarified in recent studies. In the tumor microenvironment, group 2 innate lymphoid cells (ILC2s) have been proved to be able to either promote or inhibit tumor progression by producing different cytokines, recruiting diverse types of immune cells, expressing immunosuppressive molecules and by regulating the expression of certain inflammatory factors. This review summarizes recent research progress on the immunomodulatory functions of ILC2s in the tumor microenvironment and puts forward some perspectives for future study.
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Affiliation(s)
- Jia Xiong
- Institute of Immunology, Zhejiang University School of Medicine, Hangzhou, China
| | - Haofei Wang
- Department of Pharmacology, China Medical University School of Pharmacy, Shenyang, China
| | - Jia He
- Institute of Immunology, Zhejiang University School of Medicine, Hangzhou, China
| | - Qingqing Wang
- Institute of Immunology, Zhejiang University School of Medicine, Hangzhou, China
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85
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Stehle C, Hernández DC, Romagnani C. Innate lymphoid cells in lung infection and immunity. Immunol Rev 2019; 286:102-119. [PMID: 30294964 DOI: 10.1111/imr.12712] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 08/24/2018] [Indexed: 12/30/2022]
Abstract
In recent years, innate lymphoid cells (ILCs) have emerged as key mediators of protection and repair of mucosal surfaces during infection. The lung, a dynamic mucosal tissue that is exposed to a plethora of microbes, is a playground for respiratory infection-causing pathogens which are not only a major cause of fatalities worldwide, but are also associated with comorbidities and decreased quality of life. The lung provides a rich microenvironment to study ILCs in the context of innate protection mechanisms within the airways, unraveling their distinct functions not only in health but also in disease. In this review, we discuss how pulmonary ILCs play a role in protection against viral, parasitic, bacterial, and fungal challenge, along with the mechanisms underlying this ILC-mediated immunity.
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Affiliation(s)
- Christina Stehle
- Innate Immunity, Deutsches Rheuma-Forschungszentrum, Berlin, Germany
| | | | - Chiara Romagnani
- Innate Immunity, Deutsches Rheuma-Forschungszentrum, Berlin, Germany.,Medical Department I, Charité - Universitätsmedizin Berlin, Berlin, Germany
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86
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Wenink MH, Leijten EFA, Cupedo T, Radstake TRDJ. Review: Innate Lymphoid Cells: Sparking Inflammatory Rheumatic Disease? Arthritis Rheumatol 2019; 69:885-897. [PMID: 28217945 DOI: 10.1002/art.40068] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Accepted: 02/07/2017] [Indexed: 02/06/2023]
Affiliation(s)
| | | | - Tom Cupedo
- Erasmus University Medical Center, Rotterdam, The Netherlands
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88
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Zhu L, Xu C, Huo X, Hao H, Wan Q, Chen H, Zhang X, Breyer RM, Huang Y, Cao X, Liu DP, FitzGerald GA, Wang M. The cyclooxygenase-1/mPGES-1/endothelial prostaglandin EP4 receptor pathway constrains myocardial ischemia-reperfusion injury. Nat Commun 2019; 10:1888. [PMID: 31015404 PMCID: PMC6478873 DOI: 10.1038/s41467-019-09492-4] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Accepted: 03/14/2019] [Indexed: 01/09/2023] Open
Abstract
The use of nonsteroidal anti-inflammatory drugs that inhibit cyclooxygenase (COX)-1 and COX-2, increases heart failure risk. It is unknown whether microsomal (m) prostaglandin (PG) E synthase (S)-1, a target downstream of COX, regulates myocardial (M) ischemia/reperfusion (I/R) injury, a key determinant of heart failure. Here we report that COX-1 and mPGES-1 mediate production of substantial amounts of PGE2 and confer cardiac protection in MI/R. Deletion of mPges-1 impairs cardiac microvascular perfusion and increases inflammatory cell infiltration in mouse MI/R. Consistently, mPges-1 deletion depresses the arteriolar dilatory response to I/R in vivo and to acetylcholine ex vivo, and enhances leukocyte-endothelial cell interaction, which is mediated via PGE receptor-4 (EP4). Furthermore, endothelium-restricted Ep4 deletion impairs microcirculation, and exacerbates MI/R injury, irrespective of EP4 agonism. Treatment with misoprostol, a clinically available PGE analogue, improves microcirculation and reduces MI/R injury. Thus, mPGES-1, a key microcirculation protector, constrains MI/R injury and this beneficial effect is partially mediated via endothelial EP4. The use of nonsteroidal anti-inflammatory drugs inhibiting COX-1/2 is associated with an increased risk of heart failure. Here the authors show that mPGES-1, a therapeutic target downstream of COX enzymes, protects from cardiac ischemia/reperfusion injury, limiting leukocyte-endothelial interactions and preserving microvascular perfusion partly via the endothelial EP4 receptor.
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Affiliation(s)
- Liyuan Zhu
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China
| | - Chuansheng Xu
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China
| | - Xingyu Huo
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China
| | - Huifeng Hao
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China
| | - Qing Wan
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China
| | - Hong Chen
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China
| | - Xu Zhang
- Tianjin Key Laboratory of Metabolic Diseases and Department of Physiology, Tianjin Medical University, Tianjin, 300070, China
| | - Richard M Breyer
- Division of Nephrology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, 37212, USA
| | - Yu Huang
- Institute of Vascular Medicine and Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Xuetao Cao
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100005, China
| | - De-Pei Liu
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100005, China
| | - Garret A FitzGerald
- Institute for Translational Medicine and Therapeutics, Perelman School of Medicine, Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Miao Wang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China. .,Clinical Pharmacology Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China.
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89
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Ouyang W, O'Garra A. IL-10 Family Cytokines IL-10 and IL-22: from Basic Science to Clinical Translation. Immunity 2019; 50:871-891. [PMID: 30995504 DOI: 10.1016/j.immuni.2019.03.020] [Citation(s) in RCA: 554] [Impact Index Per Article: 110.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 03/01/2019] [Accepted: 03/21/2019] [Indexed: 12/12/2022]
Abstract
Cytokines are among the most important effector and messenger molecules in the immune system. They profoundly participate in immune responses during infection and inflammation, protecting against or contributing to diseases such as allergy, autoimmunity, and cancer. Manipulating cytokine pathways, therefore, is one of the most effective strategies to treat various diseases. IL-10 family cytokines exert essential functions to maintain tissue homeostasis during infection and inflammation through restriction of excessive inflammatory responses, upregulation of innate immunity, and promotion of tissue repairing mechanisms. Their important functions in diseases are supported by data from many preclinical models, human genetic studies, and clinical interventions. Despite significant efforts, however, there is still no clinically approved therapy through manipulating IL-10 family cytokines. Here, we summarize the recent progress in understanding the biology of this family of cytokines, suggesting more specific strategies to maneuver these cytokines for the effective treatment of inflammatory diseases and cancers.
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Affiliation(s)
- Wenjun Ouyang
- Department of Inflammation and Oncology Research, Amgen, South San Francisco, CA 94080, USA.
| | - Anne O'Garra
- Laboratory of Immunoregulation and Infection, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK.
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90
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Jacquelot N, Luong K, Seillet C. Physiological Regulation of Innate Lymphoid Cells. Front Immunol 2019; 10:405. [PMID: 30915072 PMCID: PMC6422966 DOI: 10.3389/fimmu.2019.00405] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 02/15/2019] [Indexed: 12/17/2022] Open
Abstract
Discovery of innate lymphoid cells (ILCs) have provoked a paradigm shift in our understanding of the immune protection. Their constitutive presence and activity at the body's barrier surfaces ensure the maintenance of the tissue homeostasis and immune protection. This complex family has distinct and non-redundant functions that can have both beneficial and detrimental effects on disease outcome. The capacity of ILCs to perform their function effectively relies on their ability to sense and integrate intrinsic and extrinsic signals. Recent studies have shown that ILCs are not only sensitive to pathogen-derived stimuli but are also very well equipped to sense host-derived signals such as neuropeptides, hormones, and metabolites. The integration of these signals represents a complex and constant cross-talk between the immune system and the physiological systems of the body, including the nervous, endocrine, digestive, and reproductive systems. The physiological regulation of ILCs constitutes an important step in our understanding of the events leading to the protective and pathological properties of these cells. This review summarizes the recent advances in the understanding of the regulation of ILCs by physiological signals and their consequences on the maintenance of tissue homeostasis.
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Affiliation(s)
- Nicolas Jacquelot
- Molecular Immunology Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia
| | - Kylie Luong
- Molecular Immunology Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia
| | - Cyril Seillet
- Molecular Immunology Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia
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91
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Sensing of physiological regulators by innate lymphoid cells. Cell Mol Immunol 2019; 16:442-451. [PMID: 30842626 DOI: 10.1038/s41423-019-0217-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 02/05/2019] [Indexed: 12/17/2022] Open
Abstract
Maintenance of homeostasis and immune protection rely on the coordinated action of different physiological systems. Bidirectional communication between the immune system and physiological systems is required to sense and restore any disruption of equilibrium. Recent transcriptomic analyses of innate lymphoid cells (ILCs) from different tissues have revealed that ILCs express a large array of receptors involved in the recognition of neuropeptides, hormones and metabolic signals. ILCs rapidly secrete effector cytokines that are central in the development and activation of early immune responses, but they also constitutively secrete mediators that are important for tissue homeostasis. To achieve these functions effectively, ILCs integrate intrinsic and extrinsic signals that modulate their constitutive and induced activity. Disruption of the regulation of ILCs by physiological regulators leads to altered immune responses with harmful consequences for the organism. An understanding of these complex interactions between the immune system and physiological mediators is crucial to decipher the events leading to the protective versus pathological effects of these cells.
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92
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Abstract
Persistent, in particular neuropathic pain affects millions of people worldwide. However, the response rate of patients to existing analgesic drugs is less than 50%. There are several possibilities to increase this response rate, such as optimization of the pharmacokinetic and pharmacodynamic properties of analgesics. Another promising approach is to use prognostic biomarkers in patients to determine the optimal pharmacological therapy for each individual. Here, we discuss recent efforts to identify plasma and CSF biomarkers, as well as genetic biomarkers and sensory testing, and how these readouts could be exploited for the prediction of a suitable pharmacological treatment. Collectively, the information on single biomarkers may be stored in knowledge bases and processed by machine-learning and related artificial intelligence techniques, resulting in the optimal pharmacological treatment for individual pain patients. We highlight the potential for biomarker-based individualized pain therapies and discuss biomarker reliability and their utility in clinical practice, as well as limitations of this approach.
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93
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Mu J, Chen Q, Zhu L, Wu Y, Liu S, Zhao Y, Ma T. Influence of gut microbiota and intestinal barrier on enterogenic infection after liver transplantation. Curr Med Res Opin 2019; 35:241-248. [PMID: 29701490 DOI: 10.1080/03007995.2018.1470085] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Liver transplantation is currently a standard therapy for patients with end-stage liver diseases and hepatocellular carcinoma. Given that liver transplantation has undergone a thriving development in these decades, the survival rates after liver transplantation have markedly improved as a result of the critical advancement in surgical techniques, immunosuppressive therapies, and post-operative care. However, infection remains a fatal complication after liver transplantation surgery. In particular, enterogenic infection represents a major complication in liver transplant recipients. This article gives an overview of infection cases after liver transplantation and focuses on the discussion of enterogenic infection in terms of its pathophysiology, risk factor, outcome, and treatment.
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Affiliation(s)
- Jingzhou Mu
- a College of Basic Medicine , Dalian Medical University , Dalian , Liaoning Province , PR China
| | - Qiuyu Chen
- a College of Basic Medicine , Dalian Medical University , Dalian , Liaoning Province , PR China
| | - Liang Zhu
- a College of Basic Medicine , Dalian Medical University , Dalian , Liaoning Province , PR China
| | - Yunhong Wu
- b College of Public Health , Dalian Medical University , Dalian , Liaoning Province , PR China
| | - Suping Liu
- a College of Basic Medicine , Dalian Medical University , Dalian , Liaoning Province , PR China
| | - Yufei Zhao
- a College of Basic Medicine , Dalian Medical University , Dalian , Liaoning Province , PR China
| | - Tonghui Ma
- a College of Basic Medicine , Dalian Medical University , Dalian , Liaoning Province , PR China
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94
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Yao C, Narumiya S. Prostaglandin-cytokine crosstalk in chronic inflammation. Br J Pharmacol 2019; 176:337-354. [PMID: 30381825 PMCID: PMC6329627 DOI: 10.1111/bph.14530] [Citation(s) in RCA: 133] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2018] [Revised: 10/13/2018] [Accepted: 10/17/2018] [Indexed: 12/28/2022] Open
Abstract
Chronic inflammation underlies various debilitating disorders including autoimmune, neurodegenerative, vascular and metabolic diseases as well as cancer, where aberrant activation of the innate and acquired immune systems is frequently seen. Since non-steroidal anti-inflammatory drugs exert their effects by inhibiting COX and suppressing PG biosynthesis, PGs have been traditionally thought to function mostly as mediators of acute inflammation. However, an inducible COX isoform, COX-2, is often highly expressed in tissues of the chronic disorders, suggesting an as yet unidentified role of PGs in chronic inflammation. Recent studies have shown that in addition to their short-lived actions in acute inflammation, PGs crosstalk with cytokines and amplify the cytokine actions on various types of inflammatory cells and drive pathogenic conversion of these cells by critically regulating their gene expression. One mode of such PG-mediated amplification is to induce the expression of relevant cytokine receptors, which is typically observed in Th1 cell differentiation and Th17 cell expansion, events leading to chronic immune inflammation. Another mode of amplification is cooperation of PGs with cytokines at the transcription level. Typically, PGs and cytokines synergistically activate NF-κB to induce the expression of inflammation-related genes, one being COX-2 itself, which makes PG-mediated positive feedback loops. This signalling consequently enhances the expression of various NF-κB-induced genes including chemokines to macrophages and neutrophils, which enables sustained infiltration of these cells and further amplifies chronic inflammation. In addition, PGs are also involved in tissue remodelling such as fibrosis and angiogenesis. In this article, we review these findings and discuss their relevance to human diseases.
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Affiliation(s)
- Chengcan Yao
- Centre for Inflammation Research, Queen's Medical Research InstituteThe University of EdinburghEdinburghUK
| | - Shuh Narumiya
- Alliance Laboratory for Advanced Medical Research and Department of Drug Discovery Medicine, Medical Innovation CenterKyoto University Graduate School of MedicineKyotoJapan
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95
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Maseda D, Zackular JP, Trindade B, Kirk L, Roxas JL, Rogers LM, Washington MK, Du L, Koyama T, Viswanathan VK, Vedantam G, Schloss PD, Crofford LJ, Skaar EP, Aronoff DM. Nonsteroidal Anti-inflammatory Drugs Alter the Microbiota and Exacerbate Clostridium difficile Colitis while Dysregulating the Inflammatory Response. mBio 2019; 10:mBio.02282-18. [PMID: 30622186 PMCID: PMC6325247 DOI: 10.1128/mbio.02282-18] [Citation(s) in RCA: 30] [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] [Indexed: 02/08/2023] Open
Abstract
Clostridium difficile infection (CDI) is a major public health threat worldwide. The use of nonsteroidal anti-inflammatory drugs (NSAIDs) is associated with enhanced susceptibility to and severity of CDI; however, the mechanisms driving this phenomenon have not been elucidated. NSAIDs alter prostaglandin (PG) metabolism by inhibiting cyclooxygenase (COX) enzymes. Here, we found that treatment with the NSAID indomethacin prior to infection altered the microbiota and dramatically increased mortality and the intestinal pathology associated with CDI in mice. We demonstrated that in C. difficile-infected animals, indomethacin treatment led to PG deregulation, an altered proinflammatory transcriptional and protein profile, and perturbed epithelial cell junctions. These effects were paralleled by increased recruitment of intestinal neutrophils and CD4+ cells and also by a perturbation of the gut microbiota. Together, these data implicate NSAIDs in the disruption of protective COX-mediated PG production during CDI, resulting in altered epithelial integrity and associated immune responses.IMPORTANCEClostridium difficile infection (CDI) is a spore-forming anaerobic bacterium and leading cause of antibiotic-associated colitis. Epidemiological data suggest that use of nonsteroidal anti-inflammatory drugs (NSAIDs) increases the risk for CDI in humans, a potentially important observation given the widespread use of NSAIDs. Prior studies in rodent models of CDI found that NSAID exposure following infection increases the severity of CDI, but mechanisms to explain this are lacking. Here we present new data from a mouse model of antibiotic-associated CDI suggesting that brief NSAID exposure prior to CDI increases the severity of the infectious colitis. These data shed new light on potential mechanisms linking NSAID use to worsened CDI, including drug-induced disturbances to the gut microbiome and colonic epithelial integrity. Studies were limited to a single NSAID (indomethacin), so future studies are needed to assess the generalizability of our findings and to establish a direct link to the human condition.
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Affiliation(s)
- Damian Maseda
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Joseph P Zackular
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Bruno Trindade
- Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Leslie Kirk
- Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Jennifer Lising Roxas
- School of Animal and Comparative Biomedical Sciences, University of Arizona, Tucson, Arizona, USA
| | - Lisa M Rogers
- Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Mary K Washington
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Liping Du
- Center for Quantitative Sciences, Department of Biostatistics, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Tatsuki Koyama
- Center for Quantitative Sciences, Department of Biostatistics, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - V K Viswanathan
- School of Animal and Comparative Biomedical Sciences, University of Arizona, Tucson, Arizona, USA
| | - Gayatri Vedantam
- School of Animal and Comparative Biomedical Sciences, University of Arizona, Tucson, Arizona, USA
| | - Patrick D Schloss
- Department of Microbiology and Immunology, University of Michigan, Ann Arbor, Michigan, USA
| | - Leslie J Crofford
- Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Eric P Skaar
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - David M Aronoff
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
- Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
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96
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Wang S, Li J, Wu S, Cheng L, Shen Y, Ma W, She W, Yang C, Wang J, Jiang W. Type 3 innate lymphoid cell: a new player in liver fibrosis progression. Clin Sci (Lond) 2018; 132:2565-2582. [PMID: 30459204 DOI: 10.1042/cs20180482] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 11/14/2018] [Accepted: 11/19/2018] [Indexed: 12/13/2022]
Abstract
Type 3 innate lymphoid cell (ILC3) has recently emerged as a crucial effector in inflammatory and fibrotic diseases. The present study was designed to determine the roles of ILC3 in liver fibrosis. By flow cytometry, we documented increased frequencies of peripheral ILC3 (Lin-CD127+CD117+CD294- lymphocytes) in patients, especially at the advanced stage of hepatitis B virus (HBV)-related chronic liver diseases, and demonstrated their correlations with disease progression. The in vitro fibrogenic effects by ILC3 were determined by co-culture experiments with LX-2 (a human hepatic stellate cell (HSC) line). The data indicate that pathogenic ILC3 can directly promote LX-2 fibrogenesis in non-contact manners by producing interleukin (IL)-17A and IL-22. Additionally, they had indirect fibrogenic effects by producing IL-22 to suppress interferon (IFN)-γ (a well-known anti-fibrotic cytokine) production by other immune cells. In carbon tetrachloride (CCl4)-induced wild-type mouse liver fibrosis models, we also documented significantly increased frequencies of both non-natural killer (NK) ILC (Lin-CD127+ lymphocytes) and ILC3 (Lin-CD127+RORγt+ lymphocytes) in liver and spleen specimens. Furthermore, the ILC3 from fibrotic mice contained more IL-17A+ILC3 and IL-22+ILC3 subsets than those from normal and less-fibrotic mice. The in vivo effects of ILC3 in liver fibrogenesis were further determined using RAG-1-/- mice with ILC depletion and further adoptive transfer of ILC3 from wild-type mice. The immunohistochemical staining of liver specimens showed the beneficial effects by ILC depletion and the detrimental effects by ILC3 transfer in CCl4-induced mouse liver fibrosis models. Collectively, ILC3 plays a pro-fibrotic role in liver fibrosis progression.
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Affiliation(s)
- Siqi Wang
- Department of Gastroenterology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jing Li
- Department of Gastroenterology, Tongji Hospital, Tongji University, Shanghai, China
| | - Shengdi Wu
- Department of Gastroenterology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Lisha Cheng
- Department of Gastroenterology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yue Shen
- Department of Gastroenterology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Wei Ma
- Department of Gastroenterology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Weimin She
- Department of Gastroenterology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Changqing Yang
- Department of Gastroenterology, Tongji Hospital, Tongji University, Shanghai, China
| | - Jiyao Wang
- Department of Gastroenterology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Wei Jiang
- Department of Gastroenterology, Zhongshan Hospital, Fudan University, Shanghai, China
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97
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Das UN. Beneficial role of bioactive lipids in the pathobiology, prevention, and management of HBV, HCV and alcoholic hepatitis, NAFLD, and liver cirrhosis: A review. J Adv Res 2018; 17:17-29. [PMID: 31193303 PMCID: PMC6526165 DOI: 10.1016/j.jare.2018.12.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2018] [Revised: 12/18/2018] [Accepted: 12/18/2018] [Indexed: 02/06/2023] Open
Abstract
HBV, HBC, and alcoholic and non-alcoholic fatty liver disease lead to liver cirrhosis. All these are inflammatory conditions with PUFA deficiency state. HBV, HCV, and alcohol inhibit PUFA metabolism. PUFAs and their metabolites have anti-viral and cytoprotective actions. PUFAs and vitamin C may be of benefit in NAFLD, AFLD, and liver cirrhosis.
It has been suggested that hepatitis B virus (HBV)- and hepatitis C virus (HCV)-induced hepatic damage and cirrhosis and associated hypoalbuminemia, non-alcoholic fatty liver disease (NAFLD), and alcoholic fatty liver disease (AFLD) are due to an imbalance between pro-inflammatory and anti-inflammatory bioactive lipids. Increased tumour necrosis factor (TNF)-α production induced by HBV and HCV leads to a polyunsaturated fatty acid (PUFA) deficiency and hypoalbuminemia. Albumin mobilizes PUFAs from the liver and other tissues and thus may aid in enhancing the formation of anti-inflammatory lipoxins, resolvins, protectins, maresins and prostaglandin E1 (PGE1) and suppressing the production of pro-inflammatory PGE2. As PUFAs exert anti-viral and anti-bacterial effects, the presence of adequate levels of PUFAs could inactivate HCV and HBV and prevent spontaneous bacterial peritonitis observed in cirrhosis. PUFAs, PGE1, lipoxins, resolvins, protectins, and maresins suppress TNF-α and other pro-inflammatory cytokines, exert cytoprotective effects, and modulate stem cell proliferation and differentiation to promote recovery following hepatitis, NAFLD and AFLD. Based on this evidence, it is proposed that the administration of albumin in conjunction with PUFAs and their anti-inflammatory products could be beneficial for the prevention of and recovery from NAFLD, hepatitis and cirrhosis of the liver. NAFLD is common in obesity, type 2 diabetes mellitus, and metabolic syndrome, suggesting that even these diseases could be due to alterations in the metabolism of PUFAs and other bioactive lipids. Hence, PUFAs and co-factors needed for their metabolism and albumin may be of benefit in the prevention and management of HBV, HCV, alcoholic hepatitis and NAFLD, and liver cirrhosis.
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Affiliation(s)
- Undurti N Das
- UND Life Sciences, 2221 NW 5th St, Battle Ground, WA 98604, USA.,Department of Medicine and BioScience Research Centre, GVP Hospital and Medical College, Visakhapatnam 530048, India
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98
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Maseda D, Banerjee A, Johnson EM, Washington MK, Kim H, Lau KS, Crofford LJ. mPGES-1-Mediated Production of PGE 2 and EP4 Receptor Sensing Regulate T Cell Colonic Inflammation. Front Immunol 2018; 9:2954. [PMID: 30619314 PMCID: PMC6302013 DOI: 10.3389/fimmu.2018.02954] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 11/30/2018] [Indexed: 01/14/2023] Open
Abstract
PGE2 is a lipid mediator of the initiation and resolution phases of inflammation, as well as a regulator of immune system responses to inflammatory events. PGE2 is produced and sensed by T cells, and autocrine or paracrine PGE2 can affect T cell phenotype and function. In this study, we use a T cell-dependent model of colitis to evaluate the role of PGE2 on pathological outcome and T-cell phenotypes. CD4+ T effector cells either deficient in mPGES-1 or the PGE2 receptor EP4 are less colitogenic. Absence of T cell autocrine mPGES1-dependent PGE2 reduces colitogenicity in association with an increase in CD4+RORγt+ cells in the lamina propria. In contrast, recipient mice deficient in mPGES-1 exhibit more severe colitis that corresponds with a reduced capacity to generate FoxP3+ T cells, especially in mesenteric lymph nodes. Thus, our research defines how mPGES-1-driven production of PGE2 by different cell types in distinct intestinal locations impacts T cell function during colitis. We conclude that PGE2 has profound effects on T cell phenotype that are dependent on the microenvironment.
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Affiliation(s)
- Damian Maseda
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, United States.,Division of Rheumatology and Immunology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Amrita Banerjee
- Department of Cell and Developmental Biology, Epithelial Biology Center, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - Elizabeth M Johnson
- Division of Rheumatology and Immunology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Mary Kay Washington
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Hyeyon Kim
- Department of Cell and Developmental Biology, Epithelial Biology Center, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - Ken S Lau
- Department of Cell and Developmental Biology, Epithelial Biology Center, Vanderbilt University School of Medicine, Nashville, TN, United States
| | - Leslie J Crofford
- Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, United States.,Division of Rheumatology and Immunology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
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99
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Wei J, Gronert K. Eicosanoid and Specialized Proresolving Mediator Regulation of Lymphoid Cells. Trends Biochem Sci 2018; 44:214-225. [PMID: 30477730 DOI: 10.1016/j.tibs.2018.10.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 10/19/2018] [Accepted: 10/20/2018] [Indexed: 12/12/2022]
Abstract
Eicosanoids and specialized proresolving mediators (SPMs) regulate leukocyte function and inflammation. They are ideally positioned at the interface of the innate and adaptive immune responses when lymphocytes interact with leukocytes. Receptors for leukotriene B4 (LTB4), prostaglandin E2 (PGE2), and SPMs are expressed on lymphocytes. Evidence points toward an essential role of these lipid mediators (LMs) in direct regulation of lymphocyte functions. SPMs, which include lipoxins, demonstrate comprehensive protective actions with lymphocytes. LTB4 and PGE2 regulation of lymphocytes is diverse and depends on the interaction of lymphocytes with other cells. Importantly, both LTB4 and PGE2 are essential regulators of T cell antitumor activity. These LMs are attractive therapeutic targets to control dysregulated innate and adaptive immune responses, promote lymphocyte antitumor activity, and prevent tumor immune evasion.
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Affiliation(s)
- Jessica Wei
- Vision Science Program, School of Optometry, Infectious Disease and Immunity Program, University of California Berkeley, Berkeley, CA 94720, USA
| | - Karsten Gronert
- Vision Science Program, School of Optometry, Infectious Disease and Immunity Program, University of California Berkeley, Berkeley, CA 94720, USA.
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100
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Perkins DJ, Richard K, Hansen AM, Lai W, Nallar S, Koller B, Vogel SN. Autocrine-paracrine prostaglandin E 2 signaling restricts TLR4 internalization and TRIF signaling. Nat Immunol 2018; 19:1309-1318. [PMID: 30397349 PMCID: PMC6240378 DOI: 10.1038/s41590-018-0243-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 09/14/2018] [Indexed: 12/12/2022]
Abstract
The unique cell biology of Toll-like receptor 4 (TLR4) allows it to initiate two signal transduction cascades: a Mal (TIRAP)–MyD88-dependent signal from the cell surface that regulates proinflammatory cytokines and a TRAM–TRIF-dependent signal from endosomes that drives type I interferon production. Negative feedback circuits to limit TLR4 signals from both locations are necessary to balance the inflammatory response. We describe a negative feedback loop driven by autocrine-paracrine prostaglandin E2 (PGE2), and the PGE2 receptor, EP4, which restricted TRIF-dependent signals and IFN-β induction through regulation of TLR4 trafficking. Inhibition of PGE2 production or EP4 antagonism increased the rate of TLR4 endosomal translocation, and amplified TRIF-dependent IRF3 and caspase 8 activation. This PGE2-driven mechanism restricted TLR4-TRIF signaling in vitro upon infection of macrophages by Gram-negative pathogens Escherichia coli and Citrobacter rodentium and protected mice against Salmonella enteritidis serovar Typhimurium (ST)-induced mortality. Thus, PGE2 restricts TLR4-TRIF signaling specifically in response to lipopolysaccharide.
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Affiliation(s)
- Darren J Perkins
- Department of Microbiology and Immunology, University of Maryland, Baltimore, School of Medicine, Baltimore, MD, USA.
| | - Katharina Richard
- Department of Microbiology and Immunology, University of Maryland, Baltimore, School of Medicine, Baltimore, MD, USA
| | - Anne-Marie Hansen
- Department of Microbiology and Immunology, University of Maryland, Baltimore, School of Medicine, Baltimore, MD, USA
| | - Wendy Lai
- Department of Microbiology and Immunology, University of Maryland, Baltimore, School of Medicine, Baltimore, MD, USA
| | - Shreeram Nallar
- Department of Microbiology and Immunology, University of Maryland, Baltimore, School of Medicine, Baltimore, MD, USA
| | - Beverly Koller
- Department of Genetics, UNC School of Medicine, Chapel Hill, NC, USA
| | - Stefanie N Vogel
- Department of Microbiology and Immunology, University of Maryland, Baltimore, School of Medicine, Baltimore, MD, USA.
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