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Deka A, Kumar N, Basu S, Chawla M, Bhattacharya N, Ali SA, Bhawna, Madan U, Kumar S, Das B, Sengupta D, Awasthi A, Basak S. Non-canonical NF-κB signaling limits the tolerogenic β-catenin-Raldh2 axis in gut dendritic cells to exacerbate intestinal pathologies. EMBO J 2024:10.1038/s44318-024-00182-6. [PMID: 39060515 DOI: 10.1038/s44318-024-00182-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 07/12/2024] [Accepted: 07/12/2024] [Indexed: 07/28/2024] Open
Abstract
Dendritic cell (DC) dysfunction is known to exacerbate intestinal pathologies, but the mechanisms compromising DC-mediated immune regulation in this context remain unclear. Here, we show that intestinal dendritic cells from a mouse model of experimental colitis exhibit significant levels of noncanonical NF-κB signaling, which activates the RelB:p52 heterodimer. Genetic inactivation of this pathway in DCs alleviates intestinal pathologies in mice suffering from colitis. Deficiency of RelB:p52 diminishes transcription of Axin1, a critical component of the β-catenin destruction complex, reinforcing β-catenin-dependent expression of Raldh2, which imparts tolerogenic DC attributes by promoting retinoic acid synthesis. DC-specific impairment of noncanonical NF-κB signaling leads to increased colonic numbers of Tregs and IgA+ B cells, which promote luminal IgA production and foster eubiosis. Experimentally introduced β-catenin haploinsufficiency in DCs with deficient noncanonical NF-κB signaling moderates Raldh2 activity, reinstating colitogenic sensitivity in mice. Finally, inflammatory bowel-disease patients also display a deleterious noncanonical NF-κB signaling signature in intestinal DCs. In sum, we establish how noncanonical NF-κB signaling in dendritic cells can subvert retinoic acid synthesis to fuel intestinal inflammation.
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Affiliation(s)
- Alvina Deka
- Systems Immunology Laboratory, National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Naveen Kumar
- Systems Immunology Laboratory, National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Swapnava Basu
- Systems Immunology Laboratory, National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Meenakshi Chawla
- Systems Immunology Laboratory, National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Namrata Bhattacharya
- Indraprastha Institute of Information Technology Delhi, New Delhi, India
- Australian Prostate Cancer Research Centre-Queensland, Institute of Health and Biomedical Innovation, School of Biomedical Sciences, Queensland University of Technology (QUT), Brisbane, QLD, Australia
| | - Sk Asif Ali
- Systems Immunology Laboratory, National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Bhawna
- Systems Immunology Laboratory, National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Upasna Madan
- Translational Health Science and Technology Institute, Faridabad, Haryana, India
| | - Shakti Kumar
- Translational Health Science and Technology Institute, Faridabad, Haryana, India
| | - Bhabatosh Das
- Translational Health Science and Technology Institute, Faridabad, Haryana, India
| | - Debarka Sengupta
- Indraprastha Institute of Information Technology Delhi, New Delhi, India
| | - Amit Awasthi
- Translational Health Science and Technology Institute, Faridabad, Haryana, India
| | - Soumen Basak
- Systems Immunology Laboratory, National Institute of Immunology, Aruna Asaf Ali Marg, New Delhi, 110067, India.
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Rubel MZU, Ichii O, Namba T, Masum MA, Chuluunbaatar T, Hiraishi M, Nakamura T, Kon Y. Systemic autoimmune abnormalities alter the morphology of mucosa-associated lymphoid tissues in the rectum of MRL/MpJ-Fas lpr/lpr mice. Exp Anim 2024; 73:270-285. [PMID: 38311397 PMCID: PMC11254493 DOI: 10.1538/expanim.23-0129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 01/28/2024] [Indexed: 02/10/2024] Open
Abstract
Systemic autoimmune diseases (ADs) might affect the morphology and function of gut-associated lymphoid tissue (LTs) indirectly; however, their exact relationship remains unclear. Therefore, we investigated mouse LTs in the anorectal canal and morphologically compared them between MRL/MpJ-Fas+/+ and MRL/MpJ-Faslpr/lpr mice. LT aggregations, also known as rectal mucosa-associated lymphoid tissues (RMALTs), were exclusively seen in the lamina propria and submucosa of the rectum. The mean size and number of the LT aggregations both significantly increased in MRL/MpJ-Faslpr/lpr mice compared to those in MRL/MpJ-Fas+/+ mice. The distance from the anorectal junction to the first LT aggregate was significantly shorter in MRL/MpJ-Faslpr/lpr mice than that in MRL/MpJ-Fas+/+ mice. Immunostaining revealed that the RMALTs included CD3+, CD4+, and CD8+ T cells; B220+ B cells; IBA1+ macrophages; Ki67+ proliferative cells; and PNAd+ high-endothelial venules (HEVs). The numbers of macrophages, proliferative cells, CD4+ T cells, CD8+ T cells, and HEVs were significantly increased in MRL/MpJ-Faslpr/lpr mice compared to those in MRL/MpJ mice. Furthermore, the gene expression levels of chemokines (Cxcl9 and Cxcl13) and their corresponding receptors (Cxcr3 and Cxcr5) were significantly higher in MRL/MpJ-Faslpr/lpr mice than those in MRL/MpJ-Fas+/+ mice. Although the morphology of rectal epithelium was comparable between the strains, M cell number was significantly higher in MRL/MpJ-Faslpr/lpr mice than in MRL/MpJ-Fas+/+ mice. Thus, ADs could alter RMALT morphology, and quantitative changes in T-cell subsets, proliferative cells, macrophages, HEVs, chemokine expression, and M cells could affect their cell composition and development.
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Affiliation(s)
- Md Zahir Uddin Rubel
- Laboratory of Anatomy, Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan
- Department of Poultry Science, Faculty of Animal Science and Veterinary Medicine, Sher-e-Bangla Agricultural University, Sheikh Kamal Unushod Bhaban Road, Dhaka 1207, Bangladesh
| | - Osamu Ichii
- Laboratory of Anatomy, Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan
- Laboratory of Agrobiomedical Science, Faculty of Agriculture, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido 060-8589, Japan
| | - Takashi Namba
- Laboratory of Anatomy, Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan
| | - Md Abdul Masum
- Laboratory of Anatomy, Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan
- Department of Anatomy, Histology, and Physiology, Faculty of Animal Science and Veterinary Medicine, Sher-e-Bangla Agricultural University, Sheikh Kamal Unushod Bhaban Road, Dhaka 1207, Bangladesh
| | - Tsolmon Chuluunbaatar
- Laboratory of Anatomy, Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan
- Department of Basic Science of Veterinary Medicine, School of Veterinary Medicine, Mongolian University of Life Science, VWP5+JPX, Ulaanbaatar 17024, Mongolia
| | - Masaya Hiraishi
- Laboratory of Anatomy, Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan
| | - Teppei Nakamura
- Laboratory of Laboratory Animal Science and Medicine, Department of Applied Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan
| | - Yasuhiro Kon
- Laboratory of Anatomy, Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido 060-0818, Japan
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3
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Zhang YF, Fan MY, Bai QR, Zhao R, Song S, Wu L, Lu JH, Liu JW, Wang Q, Li Y, Chen X. Precision therapy for ulcerative colitis: insights from mitochondrial dysfunction interacting with the immune microenvironment. Front Immunol 2024; 15:1396221. [PMID: 39026683 PMCID: PMC11254623 DOI: 10.3389/fimmu.2024.1396221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 06/19/2024] [Indexed: 07/20/2024] Open
Abstract
Background Accumulating evidence reveals mitochondrial dysfunction exacerbates intestinal barrier dysfunction and inflammation. Despite the growing knowledge of mitochondrial dysfunction and ulcerative colitis (UC), the mechanism of mitochondrial dysfunction in UC remains to be fully explored. Methods We integrated 1137 UC colon mucosal samples from 12 multicenter cohorts worldwide to create a normalized compendium. Differentially expressed mitochondria-related genes (DE-MiRGs) in individuals with UC were identified using the "Limma" R package. Unsupervised consensus clustering was utilized to determine the intrinsic subtypes of UC driven by DE-MiRGs. Weighted gene co-expression network analysis was employed to investigate module genes related to UC. Four machine learning algorithms were utilized for screening DE-MiRGs in UC and construct MiRGs diagnostic models. The models were developed utilizing the over-sampled training cohort, followed by validation in both the internal test cohort and the external validation cohort. Immune cell infiltration was assessed using the Xcell and CIBERSORT algorithms, while potential biological mechanisms were explored through GSVA and GSEA algorithms. Hub genes were selected using the PPI network. Results The study identified 108 DE-MiRGs in the colonic mucosa of patients with UC compared to healthy controls, showing significant enrichment in pathways associated with mitochondrial metabolism and inflammation. The MiRGs diagnostic models for UC were constructed based on 17 signature genes identified through various machine learning algorithms, demonstrated excellent predictive capabilities. Utilizing the identified DE-MiRGs from the normalized compendium, 941 patients with UC were stratified into three subtypes characterized by distinct cellular and molecular profiles. Specifically, the metabolic subtype demonstrated enrichment in epithelial cells, the immune-inflamed subtype displayed high enrichment in antigen-presenting cells and pathways related to pro-inflammatory activation, and the transitional subtype exhibited moderate activation across all signaling pathways. Importantly, the immune-inflamed subtype exhibited a stronger correlation with superior response to four biologics: infliximab, ustekinumab, vedolizumab, and golimumab compared to the metabolic subtype. Conclusion This analysis unveils the interplay between mitochondrial dysfunction and the immune microenvironment in UC, thereby offering novel perspectives on the potential pathogenesis of UC and precision treatment of UC patients, and identifying new therapeutic targets.
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Affiliation(s)
- Yi-fan Zhang
- The First Clinical Medical College, Shanxi Medical University, Taiyuan, China
- Department of Gastroenterology, The First Hospital of Shanxi Medical University, Taiyuan, China
| | - Meng-ying Fan
- The Anesthesiology College, Shanxi Medical University, Taiyuan, China
| | - Qi-rui Bai
- The Second Clinical Medical College, Shanxi Medical University, Taiyuan, China
| | - Rong Zhao
- The Second Clinical Medical College, Shanxi Medical University, Taiyuan, China
| | - Shan Song
- The Second Clinical Medical College, Shanxi Medical University, Taiyuan, China
| | - Li Wu
- School of Basic Medical Sciences, Shanxi Medical University, Taiyuan, China
| | - Jun-hui Lu
- The First Clinical Medical College, Shanxi Medical University, Taiyuan, China
- Department of Gastroenterology, The First Hospital of Shanxi Medical University, Taiyuan, China
| | - Jing-wei Liu
- The First Clinical Medical College, Shanxi Medical University, Taiyuan, China
- Department of Gastroenterology, The First Hospital of Shanxi Medical University, Taiyuan, China
| | - Qi Wang
- School of Basic Medical Sciences, Shanxi Medical University, Taiyuan, China
| | - Yuan Li
- Department of Gastroenterology, The First Hospital of Shanxi Medical University, Taiyuan, China
| | - Xing Chen
- Department of Gastroenterology, The First Hospital of Shanxi Medical University, Taiyuan, China
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Kurumi H, Yokoyama Y, Hirano T, Akita K, Hayashi Y, Kazama T, Isomoto H, Nakase H. Cytokine Profile in Predicting the Effectiveness of Advanced Therapy for Ulcerative Colitis: A Narrative Review. Biomedicines 2024; 12:952. [PMID: 38790914 PMCID: PMC11117845 DOI: 10.3390/biomedicines12050952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 04/19/2024] [Accepted: 04/23/2024] [Indexed: 05/26/2024] Open
Abstract
Cytokine-targeted therapies have shown efficacy in treating patients with ulcerative colitis (UC), but responses to these advanced therapies can vary. This variability may be due to differences in cytokine profiles among patients with UC. While the etiology of UC is not fully understood, abnormalities of the cytokine profiles are deeply involved in its pathophysiology. Therefore, an approach focused on the cytokine profile of individual patients with UC is ideal. Recent studies have demonstrated that molecular analysis of cytokine profiles in UC can predict response to each advanced therapy. This narrative review summarizes the molecules involved in the efficacy of various advanced therapies for UC. Understanding these associations may be helpful in selecting optimal therapeutic agents.
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Affiliation(s)
- Hiroki Kurumi
- Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, S-1, W-16, Chuo-ku, Sapporo 060-8543, Hokkaido, Japan; (H.K.)
- Division of Gastroenterology and Nephrology, Department of Multidisciplinary Internal Medicine, Tottori University Faculty of Medicine, 36-1, Nishi-cho, Yonago 683-8504, Tottori, Japan
| | - Yoshihiro Yokoyama
- Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, S-1, W-16, Chuo-ku, Sapporo 060-8543, Hokkaido, Japan; (H.K.)
| | - Takehiro Hirano
- Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, S-1, W-16, Chuo-ku, Sapporo 060-8543, Hokkaido, Japan; (H.K.)
| | - Kotaro Akita
- Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, S-1, W-16, Chuo-ku, Sapporo 060-8543, Hokkaido, Japan; (H.K.)
| | - Yuki Hayashi
- Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, S-1, W-16, Chuo-ku, Sapporo 060-8543, Hokkaido, Japan; (H.K.)
| | - Tomoe Kazama
- Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, S-1, W-16, Chuo-ku, Sapporo 060-8543, Hokkaido, Japan; (H.K.)
| | - Hajime Isomoto
- Division of Gastroenterology and Nephrology, Department of Multidisciplinary Internal Medicine, Tottori University Faculty of Medicine, 36-1, Nishi-cho, Yonago 683-8504, Tottori, Japan
| | - Hiroshi Nakase
- Department of Gastroenterology and Hepatology, Sapporo Medical University School of Medicine, S-1, W-16, Chuo-ku, Sapporo 060-8543, Hokkaido, Japan; (H.K.)
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5
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Noh JY, Farhataziz N, Kinter MT, Yan X, Sun Y. Colonic Dysregulation of Major Metabolic Pathways in Experimental Ulcerative Colitis. Metabolites 2024; 14:194. [PMID: 38668322 PMCID: PMC11052278 DOI: 10.3390/metabo14040194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/18/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Inflammatory bowel disease (IBD) is multifactorial chronic inflammatory disease in the gastrointestinal tract, affecting patients' quality of life profoundly. The incidence of IBD has been on the rise globally for the last two decades. Because the molecular mechanisms underlying the disease remain not well understood, therapeutic development is significantly impeded. Metabolism is a crucial cellular process to generate the energy needed for an inflammatory response and tissue repair. Comprehensive understanding of the metabolic pathways in IBD would help to unravel the disease pathogenesis/progression and facilitate therapeutic discoveries. Here, we investigated four metabolic pathways altered in experimental colitis. C57BL/6J mice were treated with dextran sulfate sodium (DSS) in drinking water for 7 days to induce experimental ulcerative colitis (UC). We conducted proteomics analysis for the colon samples using LC/MS, to profile key metabolic intermediates. Our findings revealed significant alterations in four major metabolic pathways: antioxidative defense, β-oxidation, glycolysis, and TCA cycle pathways. The energy metabolism by β-oxidation, glycolysis, and TCA cycle pathways were downregulated under UC, together with reduced antioxidative defense pathways. These results reveal metabolic re-programming in intestinal cells under UC, showing dysregulation in all four major metabolic pathways. Our study underscores the importance of metabolic drivers in the pathogenesis of IBD and suggests that the modification of metabolism may serve as a novel diagnostic/therapeutic approach for IBD.
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Affiliation(s)
- Ji Yeon Noh
- Department of Nutrition, Texas A&M University, College Station, TX 77843, USA; (J.Y.N.); (N.F.)
| | - Naser Farhataziz
- Department of Nutrition, Texas A&M University, College Station, TX 77843, USA; (J.Y.N.); (N.F.)
| | - Michael T. Kinter
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA;
| | - Xin Yan
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA;
| | - Yuxiang Sun
- Department of Nutrition, Texas A&M University, College Station, TX 77843, USA; (J.Y.N.); (N.F.)
- Department of Biochemistry & Biophysics, Texas A&M University, College Station, TX 77843, USA
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Wu D, Khan FA, Zhang K, Pandupuspitasari NS, Negara W, Guan K, Sun F, Huang C. Retinoic acid signaling in development and differentiation commitment and its regulatory topology. Chem Biol Interact 2024; 387:110773. [PMID: 37977248 DOI: 10.1016/j.cbi.2023.110773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/11/2023] [Accepted: 10/20/2023] [Indexed: 11/19/2023]
Abstract
Retinoic acid (RA), the derivative of vitamin A/retinol, is a signaling molecule with important implications in health and disease. It is a well-known developmental morphogen that functions mainly through the transcriptional activity of nuclear RA receptors (RARs) and, uncommonly, through other nuclear receptors, including peroxisome proliferator-activated receptors. Intracellular RA is under spatiotemporally fine-tuned regulation by synthesis and degradation processes catalyzed by retinaldehyde dehydrogenases and P450 family enzymes, respectively. In addition to dictating the transcription architecture, RA also impinges on cell functioning through non-genomic mechanisms independent of RAR transcriptional activity. Although RA-based differentiation therapy has achieved impressive success in the treatment of hematologic malignancies, RA also has pro-tumor activity. Here, we highlight the relevance of RA signaling in cell-fate determination, neurogenesis, visual function, inflammatory responses and gametogenesis commitment. Genetic and post-translational modifications of RAR are also discussed. A better understanding of RA signaling will foster the development of precision medicine to improve the defects caused by deregulated RA signaling.
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Affiliation(s)
- Di Wu
- Institute of Reproductive Medicine, School of Medicine, Nantong University, Nantong, 226001, China
| | - Faheem Ahmed Khan
- Research Center for Animal Husbandry, National Research and Innovation Agency, Jakarta Pusat, 10340, Indonesia
| | - Kejia Zhang
- Institute of Reproductive Medicine, School of Medicine, Nantong University, Nantong, 226001, China
| | | | - Windu Negara
- Research Center for Animal Husbandry, National Research and Innovation Agency, Jakarta Pusat, 10340, Indonesia
| | - Kaifeng Guan
- School of Advanced Agricultural Sciences, Peking University, Beijing, 100871, China.
| | - Fei Sun
- Institute of Reproductive Medicine, School of Medicine, Nantong University, Nantong, 226001, China.
| | - Chunjie Huang
- Institute of Reproductive Medicine, School of Medicine, Nantong University, Nantong, 226001, China.
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Gordon H, Wichmann K, Lewis A, Sanders T, Wildemann M, Hoti I, Hornsby E, Kok KB, Silver A, Lindsay JO, Stagg AJ. Human Intestinal Dendritic Cells Can Overcome Retinoic Acid Signaling to Generate Proinflammatory CD4 T Cells with Both Gut and Skin Homing Properties. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:96-106. [PMID: 37955427 DOI: 10.4049/jimmunol.2300340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 09/18/2023] [Indexed: 11/14/2023]
Abstract
Retinoic acid, produced by intestinal dendritic cells (DCs), promotes T cell trafficking to the intestinal mucosa by upregulating α4β7 integrin and inhibiting the generation of cutaneous leukocyte Ag (CLA) required for skin entry. In the present study, we report that activation of human naive CD4 T cells in an APC-free system generates cells expressing α4β7 alone; in contrast, activation by intestinal DCs that produce retinoic acid and induce high levels of α4β7 also results in CLA expression, generating CLA+α4β7+ "dual tropic" cells, with both gut and skin trafficking potential, that also express high levels of α4β1 integrin. DC generation of CLA+α4β7+ T cells is associated with upregulation of FUT7, a fucosyltransferase involved in CLA generation; requires cell contact; and is enhanced by IL-12/IL-23. The blood CD4+ T cell population contains CLA+α4β7+ cells, which are significantly enriched for cells capable of IFN-γ, IL-17, and TNF-α production compared with conventional CLA-α4β7+ cells. Dual tropic lymphocytes are increased in intestinal tissue from patients with Crohn's disease, and single-cell RNA-sequencing analysis identifies a transcriptionally distinct cluster of FUT7-expressing cells present only in inflamed tissue; expression of genes associated with cell proliferation suggests that these cells are undergoing local activation. The expression of multiple trafficking molecules by CLA+α4β7+ T cells can enable their recruitment by alternative pathways to both skin and gut; they may contribute to both intestinal and cutaneous manifestations of inflammatory bowel disease.
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Affiliation(s)
- Hannah Gordon
- Centre for Immunobiology, Blizard Institute, Faculty of Medicine and dentistry, Barts and The London Medical School, Queen Mary University of London, London, United Kingdom
| | - Katherine Wichmann
- Centre for Immunobiology, Blizard Institute, Faculty of Medicine and dentistry, Barts and The London Medical School, Queen Mary University of London, London, United Kingdom
| | - Amy Lewis
- Centre for Genomics and Child Health, Blizard Institute, Faculty of Medicine and dentistry, Barts and The London Medical School, Queen Mary University of London, London, United Kingdom
| | - Theodore Sanders
- Centre for Immunobiology, Blizard Institute, Faculty of Medicine and dentistry, Barts and The London Medical School, Queen Mary University of London, London, United Kingdom
| | - Martha Wildemann
- Centre for Immunobiology, Blizard Institute, Faculty of Medicine and dentistry, Barts and The London Medical School, Queen Mary University of London, London, United Kingdom
| | - Inva Hoti
- Centre for Immunobiology, Blizard Institute, Faculty of Medicine and dentistry, Barts and The London Medical School, Queen Mary University of London, London, United Kingdom
| | - Eve Hornsby
- Centre for Immunobiology, Blizard Institute, Faculty of Medicine and dentistry, Barts and The London Medical School, Queen Mary University of London, London, United Kingdom
| | - K Bel Kok
- Department of Gastroenterology, Barts Health NHS Trust, London, United Kingdom
| | - Andrew Silver
- Centre for Genomics and Child Health, Blizard Institute, Faculty of Medicine and dentistry, Barts and The London Medical School, Queen Mary University of London, London, United Kingdom
| | - James O Lindsay
- Centre for Immunobiology, Blizard Institute, Faculty of Medicine and dentistry, Barts and The London Medical School, Queen Mary University of London, London, United Kingdom
- Department of Gastroenterology, Barts Health NHS Trust, London, United Kingdom
| | - Andrew J Stagg
- Centre for Immunobiology, Blizard Institute, Faculty of Medicine and dentistry, Barts and The London Medical School, Queen Mary University of London, London, United Kingdom
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8
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Chang X, Song YH, Xia T, He ZX, Zhao SB, Wang ZJ, Gu L, Li ZS, Xu C, Wang SL, Bai Y. Macrophage-derived exosomes promote intestinal mucosal barrier dysfunction in inflammatory bowel disease by regulating TMIGD1 via mircroRNA-223. Int Immunopharmacol 2023; 121:110447. [PMID: 37301121 DOI: 10.1016/j.intimp.2023.110447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/31/2023] [Accepted: 06/01/2023] [Indexed: 06/12/2023]
Abstract
BACKGROUND & AIM Exosomes are effective mediators of cell-to-cell interactions and transport several regulatory molecules, including microRNAs (miRNAs), involved in diverse fundamental biological processes. The role of macrophage-derived exosomes in the development of inflammatory bowel disease (IBD) has not been previously reported. This study investigated specific miRNAs in macrophage-derived exosomes in IBD and their molecular mechanism. METHODS A dextran sulfate sodium (DSS)-induced IBD mouse model was established. The culture supernatant of murine bone marrow-derived macrophages (BMDMs) cultured with or without lipopolysaccharide (LPS) was used for isolating exosomes, which were subjected to miRNA sequencing. Lentiviruses were used to alter miRNA expression and investigate the role of macrophage-derived exosomal miRNAs. Both mouse and human organoids were co-cultured with macrophages in a Transwell system to model cellular IBD in vitro. RESULTS LPS-induced macrophages released exosomes containing various miRNAs and exacerbated IBD. Based on miRNA sequencing of macrophage-derived exosomes, miR-223 was selected for further analysis. Exosomes with upregulated miR-223 expression contributed to the exacerbation of intestinal barrier dysfunction in vivo, which was further verified using both mouse and human colon organoids. Furthermore, time-dependent analysis of the mRNAs in DSS-induced colitis mouse tissue and miR-223 target gene prediction were performed to select the candidate gene, resulting in the identification of the barrier-related factor Tmigd1. CONCLUSION Macrophage-derived exosomal miR-223 has a novel role in the progression of DSS-induced colitis by inducing intestinal barrier dysfunction through the inhibition of TMIGD1.
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Affiliation(s)
- Xin Chang
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China; Department of Gastroenterology, the General Hospital of Central Theater Command, Wuhan, China
| | - Yi-Hang Song
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Tian Xia
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Zi-Xuan He
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Sheng-Bing Zhao
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Zhi-Jie Wang
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Lun Gu
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Zhao-Shen Li
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Can Xu
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China.
| | - Shu-Ling Wang
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China.
| | - Yu Bai
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China.
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9
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Chen Q, Bei S, Zhang Z, Wang X, Zhu Y. Identification of diagnostic biomarks and immune cell infiltration in ulcerative colitis. Sci Rep 2023; 13:6081. [PMID: 37055577 PMCID: PMC10102327 DOI: 10.1038/s41598-023-33388-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 04/12/2023] [Indexed: 04/15/2023] Open
Abstract
We aimed to explore diagnostic biomarks and immune cell infiltration characteristics in ulcerative colitis (UC). We used the dataset GSE38713 as the training set and dataset GSE94648 as the test set. A total of 402 differentially expressed genes (DEGs) were obtained from GSE38713. Annotating, visualizing, and integrating discovery of these differential genes was performed using Gene Ontology (GO), Kyoto Gene and Genome Encyclopedia Pathway (KEGG), and Gene Set Enrichment Analysis (GSEA). Protein-protein interaction networks were constructed from the STRING database, and protein functional modules were identified using the CytoHubba plugin of Cytoscape. Random forest and LASSO regression were used to screen for UC-related diagnostic markers, and ROC curves were generated to validate their diagnostic value. The composition of 22 immune cells was analyzed, and the immune cell infiltration in UC was analyzed using CIBERSORT. Results: Seven diagnostic markers associated with UC were identified: TLCD3A, KLF9, EFNA1, NAAA,WDR4, CKAP4, and CHRNA1. Immune cell infiltration assessment revealed that macrophages M1, activated dendritic cells, and neutrophil cells infiltrated relatively more compared to normal control samples. Our results suggest a new functional feature of UC and suggest potential biomarkers for UC through comprehensive analysis of integrated gene expression data.
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Affiliation(s)
- Qin Chen
- Department of Anorectal, Kunming Municipal Hospital of Traditional Chinese Medicine, The Third Affiliated Hospital of Yunnan University of Chinese Medicine, No. 25 Dongfeng East Road, Panlong District, Kunming, 650011, Yunnan Province, China.
| | - Shaosheng Bei
- Department of Anorectal, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Zhiyun Zhang
- Department of Anorectal, Kunming Municipal Hospital of Traditional Chinese Medicine, The Third Affiliated Hospital of Yunnan University of Chinese Medicine, No. 25 Dongfeng East Road, Panlong District, Kunming, 650011, Yunnan Province, China
| | - Xiaofeng Wang
- Department of Colorectal Surgery, Guang'an Men Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yunying Zhu
- Department of Anorectal, Kunming Municipal Hospital of Traditional Chinese Medicine, The Third Affiliated Hospital of Yunnan University of Chinese Medicine, No. 25 Dongfeng East Road, Panlong District, Kunming, 650011, Yunnan Province, China
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10
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Bang YJ. Vitamin A: a key coordinator of host-microbe interactions in the intestine. BMB Rep 2023; 56:133-139. [PMID: 36751944 PMCID: PMC10068342 DOI: 10.5483/bmbrep.2023-0005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/25/2023] [Accepted: 02/06/2023] [Indexed: 09/29/2023] Open
Abstract
The human intestine is home to a dense community of microbiota that plays a key role in human health and disease. Nutrients are essential regulators of both host and microbial physiology and function as key coordinators of host-microbe interactions. Therefore, understanding the specific roles and underlying mechanisms of each nutrient in regulating the host-microbe interactions will be essential in developing new strategies for improving human health through microbiota and nutrient intervention. This review will give a basic overview of the role of vitamin A, an essential micronutrient, on human health, and highlight recent findings on the mechanisms by which it regulates the host-microbe interactions. [BMB Reports 2023; 56(3): 133-139].
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Affiliation(s)
- Ye-Ji Bang
- Department of Biomedical Science, College of Medicine, Seoul National University, Seoul 03080, Korea
- Department of Microbiology and Immunology, College of Medicine, Seoul National University, Seoul 03080, Korea
- Institute of Infectious Diseases, Seoul National University College of Medicine, Seoul 03080, Korea
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11
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Yousaf H, Khan MIU, Ali I, Munir MU, Lee KY. Emerging role of macrophages in non-infectious diseases: An update. Biomed Pharmacother 2023; 161:114426. [PMID: 36822022 DOI: 10.1016/j.biopha.2023.114426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/16/2023] [Accepted: 02/17/2023] [Indexed: 02/23/2023] Open
Abstract
In the past three decades, a huge body of evidence through various research studies conducted on animal models, has demonstrated that the macrophages are centralized of all the leukocytes involved in diseases and, particularly, their role in non-infectious diseases has been studied extensively for which they have also been referred to as the "double-edged swords". The most versatile of all immunocytes, macrophages play a key role in health and diseases. Various experimental models have demonstrated the conventional paradigms such as the M1/M2 dichotomy, which is not as obvious and presents a complex characterization of the macrophages in the disease immunology. In human diseases, this M1-M2 continuum shows a complex web of mechanisms, which are majorly divided into the pro-inflammatory roles (derived mainly by the cytokines: IL-1, IL-6, IL-12, IL-23, and tumor necrosis factor) and anti-inflammatory roles (CCl-17, CCl-22, CCL-2, transforming growth factor (TGF), and interleukin-10), which are involved in the wound healing and pathogen-suppression. The conventional division of these macrophages as M1 and M2 is derived from the opposing functions of these macrophages; where M1 is involved in the tissue damage and pro-inflammatory roles and M2 promotes cell proliferation and the resolution of inflammation. Both these pathways down-regulate each other in diseases through a plethora of enzymatic and cytokine mediators.
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Affiliation(s)
- Hassan Yousaf
- Institute of Molecular Biology and Biotechnology (IMBB), University of Lahore, Lahore, Pakistan
| | - Malik Ihsan Ullah Khan
- Institute of Molecular Biology and Biotechnology (IMBB), University of Lahore, Lahore, Pakistan.
| | - Iftikhar Ali
- Department of Life Sciences, University of Management and Technology, Lahore, Pakistan
| | - Muhammad Usman Munir
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University Sakaka, Aljouf 72388, Saudi Arabia
| | - Ka Yiu Lee
- Swedish Winter Sports Research Centre, Department of Health Sciences, Mid Sweden University, Ostersund, Sweden.
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12
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Saez A, Herrero-Fernandez B, Gomez-Bris R, Sánchez-Martinez H, Gonzalez-Granado JM. Pathophysiology of Inflammatory Bowel Disease: Innate Immune System. Int J Mol Sci 2023; 24:ijms24021526. [PMID: 36675038 PMCID: PMC9863490 DOI: 10.3390/ijms24021526] [Citation(s) in RCA: 84] [Impact Index Per Article: 84.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 12/30/2022] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Inflammatory bowel disease (IBD), comprising Crohn's disease (CD) and ulcerative colitis (UC), is a heterogeneous state of chronic intestinal inflammation with no exact known cause. Intestinal innate immunity is enacted by neutrophils, monocytes, macrophages, and dendritic cells (DCs), and innate lymphoid cells and NK cells, characterized by their capacity to produce a rapid and nonspecific reaction as a first-line response. Innate immune cells (IIC) defend against pathogens and excessive entry of intestinal microorganisms, while preserving immune tolerance to resident intestinal microbiota. Changes to this equilibrium are linked to intestinal inflammation in the gut and IBD. IICs mediate host defense responses, inflammation, and tissue healing by producing cytokines and chemokines, activating the complement cascade and phagocytosis, or presenting antigens to activate the adaptive immune response. IICs exert important functions that promote or ameliorate the cellular and molecular mechanisms that underlie and sustain IBD. A comprehensive understanding of the mechanisms underlying these clinical manifestations will be important for developing therapies targeting the innate immune system in IBD patients. This review examines the complex roles of and interactions among IICs, and their interactions with other immune and non-immune cells in homeostasis and pathological conditions.
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Affiliation(s)
- Angela Saez
- LamImSys Lab, Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
- Facultad de Ciencias Experimentales, Universidad Francisco de Vitoria (UFV), 28223 Pozuelo de Alarcón, Spain
| | - Beatriz Herrero-Fernandez
- LamImSys Lab, Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
- Departamento de Fisiología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), 28029 Madrid, Spain
| | - Raquel Gomez-Bris
- LamImSys Lab, Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
- Departamento de Fisiología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), 28029 Madrid, Spain
| | - Hector Sánchez-Martinez
- LamImSys Lab, Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
| | - Jose M. Gonzalez-Granado
- LamImSys Lab, Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
- Department of Immunology, Ophthalmology and ENT, School of Medicine, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain
- CIBER de Enfermedades Cardiovasculares (CIBERCV), 28029 Madrid, Spain
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), 28029 Madrid, Spain
- Correspondence: ; Tel.: +34-913908766
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13
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Filardy AA, Ferreira JRM, Rezende RM, Kelsall BL, Oliveira RP. The intestinal microenvironment shapes macrophage and dendritic cell identity and function. Immunol Lett 2023; 253:41-53. [PMID: 36623708 PMCID: PMC9907447 DOI: 10.1016/j.imlet.2023.01.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 12/12/2022] [Accepted: 01/04/2023] [Indexed: 01/09/2023]
Abstract
The gut comprises the largest body interface with the environment and is continuously exposed to nutrients, food antigens, and commensal microbes, as well as to harmful pathogens. Subsets of both macrophages and dendritic cells (DCs) are present throughout the intestinal tract, where they primarily inhabit the gut-associate lymphoid tissue (GALT), such as Peyer's patches and isolated lymphoid follicles. In addition to their role in taking up and presenting antigens, macrophages and DCs possess extensive functional plasticity and these cells play complementary roles in maintaining immune homeostasis in the gut by preventing aberrant immune responses to harmless antigens and microbes and by promoting host defense against pathogens. The ability of macrophages and DCs to induce either inflammation or tolerance is partially lineage imprinted, but can also be dictated by their activation state, which in turn is determined by their specific microenvironment. These cells express several surface and intracellular receptors that detect danger signals, nutrients, and hormones, which can affect their activation state. DCs and macrophages play a fundamental role in regulating T cells and their effector functions. Thus, modulation of intestinal mucosa immunity by targeting antigen presenting cells can provide a promising approach for controlling pathological inflammation. In this review, we provide an overview on the characteristics, functions, and origins of intestinal macrophages and DCs, highlighting the intestinal microenvironmental factors that influence their functions during homeostasis. Unraveling the mechanisms by which macrophages and DCs regulate intestinal immunity will deepen our understanding on how the immune system integrates endogenous and exogenous signals in order to maintain the host's homeostasis.
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Affiliation(s)
- Alessandra A Filardy
- Laboratório de Imunologia Celular, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Brazil.
| | - Jesuino R M Ferreira
- Laboratório de Imunologia Celular, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Brazil
| | - Rafael M Rezende
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, USA
| | - Brian L Kelsall
- Laboratory of Molecular Immunology, NIAID, National Institutes of Health, USA
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14
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Emerging Role of Dendritic Cell Intervention in the Treatment of Inflammatory Bowel Disease. BIOMED RESEARCH INTERNATIONAL 2022; 2022:7025634. [PMID: 36262975 PMCID: PMC9576373 DOI: 10.1155/2022/7025634] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 09/27/2022] [Indexed: 11/17/2022]
Abstract
Dendritic cells (DCs) are the most important antigen-presenting cells and are pivotal in initiating effective adaptive immune responses to induce immune tolerance and maintain immune homeostasis. Inflammatory bowel disease (IBD), including Crohn’s disease and ulcerative colitis, is chronic, intestinal inflammatory and autoimmune disorder. DCs participate in IBD pathogenesis. This review is aimed at briefly discussing the role of DCs in IBD and the relationship between them and highlighting the prominent role of these cells in the treatment of these disorders.
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15
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Neuwirth T, Knapp K, Stary G. (Not) Home alone: Antigen presenting cell - T Cell communication in barrier tissues. Front Immunol 2022; 13:984356. [PMID: 36248804 PMCID: PMC9556809 DOI: 10.3389/fimmu.2022.984356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 09/13/2022] [Indexed: 11/30/2022] Open
Abstract
Priming of T cells by antigen presenting cells (APCs) is essential for T cell fate decisions, enabling T cells to migrate to specific tissues to exert their effector functions. Previously, these interactions were mainly explored using blood-derived cells or animal models. With great advances in single cell RNA-sequencing techniques enabling analysis of tissue-derived cells, it has become clear that subsets of APCs are responsible for priming and modulating heterogeneous T cell effector responses in different tissues. This composition of APCs and T cells in tissues is essential for maintaining homeostasis and is known to be skewed in infection and inflammation, leading to pathological T cell responses. This review highlights the commonalities and differences of T cell priming and subsequent effector function in multiple barrier tissues such as the skin, intestine and female reproductive tract. Further, we provide an overview of how this process is altered during tissue-specific infections which are known to cause chronic inflammation and how this knowledge could be harnessed to modify T cell responses in barrier tissue.
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Affiliation(s)
- Teresa Neuwirth
- Department of Dermatology, Medical University of Vienna, Vienna, Austria,CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Katja Knapp
- Department of Dermatology, Medical University of Vienna, Vienna, Austria,CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Georg Stary
- Department of Dermatology, Medical University of Vienna, Vienna, Austria,CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria,Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases, Vienna, Austria,*Correspondence: Georg Stary,
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16
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Differential Effects of Anti-TNFα and Anti-α4β7 Drugs on Circulating Dendritic Cells Migratory Capacity in Inflammatory Bowel Disease. Biomedicines 2022; 10:biomedicines10081885. [PMID: 36009431 PMCID: PMC9405461 DOI: 10.3390/biomedicines10081885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/28/2022] [Accepted: 08/02/2022] [Indexed: 11/16/2022] Open
Abstract
Inflammatory bowel disease (IBD) is an idiopathic and chronic disorder that includes ulcerative colitis (UC) and Crohn’s disease (CD). Both diseases show an uncontrolled intestinal immune response that generates tissue inflammation. Dendritic cells (DCs) are antigen-presenting cells that play a key role in tolerance maintenance in the gastrointestinal mucosa. Although it has been reported that DC recruitment by the intestinal mucosa is more prominent in IBD patients, the specific mechanisms governing this migration are currently unknown. In this study, the expression of several homing markers and the migratory profile of circulating DC subsets towards intestinal chemo-attractants were evaluated and the effect of biological drugs with different mechanisms of action, such as anti-TNFα or anti-integrin α4β7 (vedolizumab), on this mechanism in healthy controls (HCs) and IBD patients was also assessed. Our results revealed that type 2 conventional DCs (cDC2) express differential homing marker profiles in UC and CD patients compared to HCs. Indeed, integrin β7 was differentially modulated by vedolizumab in CD and UC. Additionally, although CCL2 displayed a chemo-attractant effect over cDC2, while biological therapies did not modulate the expression of the homing markers, we paradoxically found that anti-TNF-treated cDC2 increased their migratory capacity towards CCL2 in HCs and IBD. Our results therefore suggest a key role for cDC2 migration towards the intestinal mucosa in IBD, something that could be explored in order to develop novel diagnostic biomarkers or to unravel new immunomodulatory targets in IBD.
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17
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Ruan S, Zha L. Moronic acid improves intestinal inflammation in mice with chronic colitis by inhibiting intestinal macrophage polarization. J Biochem Mol Toxicol 2022; 36:e23188. [PMID: 35924425 DOI: 10.1002/jbt.23188] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/31/2022] [Accepted: 07/25/2022] [Indexed: 11/06/2022]
Abstract
This study focuses on exploring the role and mechanism of moronic acid (MOA), a small triterpenoid molecule, against inflammatory bowel disease (IBD). Intestinal macrophages were cultured in vitro, and their M1 polarization was induced by lipopolysaccharide (LPS) and interferon gamma (IFN-γ). After intervention with MOA, the proportion of M1 macrophages was detected, and the levels of inflammatory cytokines (TNF-α, IL-6, and IL-1β) were examined by ELISA. IFA staining was performed to determine the P50 and CD86 expressions, while DCFH-DA was used to determine the reactive oxygen species (ROS) level, as well as the p-P50 and NLRP3 protein levels. Additionally, we also used N-acetylcysteine, a ROS inhibitor, to further explore the association between MOA and ROS-NF-κB signaling. In murine experimentation, colitis was induced in mice with DSS. After MOA intervention, we assessed the mucosal barrier damage, tissue ROS, as well as protein and inflammatory cytokine levels. MOA could inhibit the M1 polarization of intestinal macrophages, suppress the expressions of inflammatory cytokines, and reduce the level of ROS-NF-κB-NLRP3 signaling. After inhibiting ROS through NAC treatment, the effect of MOA was evidently weakened. Clearly, MOA exerted its activity via ROS. In the murine model, MOA could lower the CD86 level in the intestinal tissues, inhibit the M1 polarization of macrophages, and reduce the tissue levels of inflammatory cytokines. This study finds that MOA can regulate ROS-NF-κB-NLRP3 signaling by inhibiting ROS, thereby suppressing the M1 polarization of intestinal macrophages, which plays a protective role in IBD.
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Affiliation(s)
- Shuiliang Ruan
- Department of Gastroenterology, the Second Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Li Zha
- Department of Gastroenterology, the Second Affiliated Hospital of Jiaxing University, Jiaxing, China
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18
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Sidell N, Kane MA. Actions of Retinoic Acid in the Pathophysiology of HIV Infection. Nutrients 2022; 14:nu14081611. [PMID: 35458172 PMCID: PMC9029687 DOI: 10.3390/nu14081611] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/01/2022] [Accepted: 04/02/2022] [Indexed: 02/05/2023] Open
Abstract
The vitamin A metabolite all-trans retinoic acid (RA) plays a key role in tissue homeostasis and mucosal immunity. RA is produced by gut-associated dendritic cells, which are among the first cells encountered by HIV. Acute HIV infection results in rapid reduction of RA levels and dysregulation of immune cell populations whose identities and function are largely controlled by RA. Here, we discuss the potential link between the roles played by RA in shaping intestinal immune responses and the manifestations and pathogenesis of HIV-associated enteropathy and similar conditions observed in SIV-infected non-human primate models. We also present data demonstrating the ability of RA to enhance the activation of replication-competent viral reservoirs from subjects on suppressive anti-retroviral therapy. The data suggest that retinoid supplementation may be a useful adjuvant for countering the pathologic condition of the gastro-intestinal tract associated with HIV infection and as part of a strategy for reactivating viral reservoirs as a means of depleting latent viral infection.
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Affiliation(s)
- Neil Sidell
- Department of Obstetrics and Gynecology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Correspondence: (N.S.); (M.A.K.)
| | - Maureen A. Kane
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, MD 21201, USA
- Correspondence: (N.S.); (M.A.K.)
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19
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Bos A, van Egmond M, Mebius R. The role of retinoic acid in the production of immunoglobulin A. Mucosal Immunol 2022; 15:562-572. [PMID: 35418672 DOI: 10.1038/s41385-022-00509-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 03/09/2022] [Accepted: 03/26/2022] [Indexed: 02/04/2023]
Abstract
Vitamin A and its derivative retinoic acid (RA) play important roles in the regulation of mucosal immunity. The effect of vitamin A metabolism on T lymphocyte immunity has been well documented, but its role in mucosal B lymphocyte regulation is less well described. Intestinal immunoglobulin A (IgA) is key in orchestrating a balanced gut microbiota composition. Here, we describe the contribution of RA to IgA class switching in tissues including the lamina propria, mesenteric lymph nodes, Peyer's patches and isolated lymphoid follicles. RA can either indirectly skew T cells or directly affect B cell differentiation. IgA levels in healthy individuals are under the control of the metabolism of vitamin A, providing a steady supply of RA. However, IgA levels are altered in inflammatory bowel disease patients, making control of the metabolism of vitamin A a potential therapeutic target. Thus, dietary vitamin A is a key player in regulating IgA production within the intestine, acting via multiple immunological pathways.
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Affiliation(s)
- Amelie Bos
- Amsterdam UMC, Department of Molecular Cell Biology and Immunology, Research Institute of Amsterdam Institute for Infection and Immunity, Vrije Universiteit, Amsterdam, The Netherlands
| | - Marjolein van Egmond
- Amsterdam UMC, Department of Molecular Cell Biology and Immunology, Research Institute of Amsterdam Institute for Infection and Immunity, Vrije Universiteit, Amsterdam, The Netherlands.,Amsterdam UMC, Department of Surgery, Research Institute of Amsterdam Institute for Infection and Immunity, Vrije Universiteit, Amsterdam, The Netherlands
| | - Reina Mebius
- Amsterdam UMC, Department of Molecular Cell Biology and Immunology, Research Institute of Amsterdam Institute for Infection and Immunity, Vrije Universiteit, Amsterdam, The Netherlands.
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20
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MEFV and NLRP3 Inflammasome Expression Is Attributed to Immature Macrophages and Correlates with Serum Inflammatory Proteins in Crohn´s Disease Patients. Inflammation 2022; 45:1631-1650. [PMID: 35190924 PMCID: PMC8860375 DOI: 10.1007/s10753-022-01647-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 02/03/2022] [Accepted: 02/07/2022] [Indexed: 12/27/2022]
Abstract
Inflammasomes are intracellular protein complexes whose activation results in proinflammatory cytokines. Inflammasomes are implicated in Crohn´s disease (CD) pathogenesis, yet the contribution of inflammasomes in intestinal epithelial cells (IECs) versus lamina propria (LP) macrophages is poorly understood. Whether inflammasome expression in intestinal tissue reflects the serum inflammatory protein profile of patients is also not known. We aimed to determine the intestinal cell types where inflammasome expression is increased in CD and if they correlate with the serum protein profile. RT-PCR and NanoString nCounter technology were used to characterize inflammasome gene expression in CD patients and controls. The mucosa, LP and IEC cell fractions and FACS-sorted cells were analyzed. Proximity extension assay with a 92-protein panel was used to determine the serum inflammatory protein profile. Compositional analysis was used to correlate ileum inflammasome gene expression with intestinal mononuclear phagocyte populations. We show that NLRP3 and MEFV inflammasome sensors and downstream effector expression including IL-1β are increased in inflamed mucosa of IBD patients and correlate with disease activity. Inflammasome gene expression increased with the abundance of immature intestinal macrophages, and increased IL-1β released by CD LP cells correlated with immature macrophage frequency. Inflammasome gene expression was also increased in circulating monocytes, the precursors of immature intestinal macrophages. Finally, the serum inflammatory profile of CD patients correlates with ileal expression of genes related to NLRP3 and MEFV inflammasomes. Overall, we show that MEFV and NLRP3 inflammasome expression in CD intestine is attributed to the accumulation of immature macrophages and correlates with serum inflammatory proteins.
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21
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Nikolakis D, de Voogd FAE, Pruijt MJ, Grootjans J, van de Sande MG, D’Haens GR. The Role of the Lymphatic System in the Pathogenesis and Treatment of Inflammatory Bowel Disease. Int J Mol Sci 2022; 23:ijms23031854. [PMID: 35163775 PMCID: PMC8836364 DOI: 10.3390/ijms23031854] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/26/2022] [Accepted: 02/01/2022] [Indexed: 02/04/2023] Open
Abstract
Although the number of therapeutic options for the treatment of inflammatory bowel disease (IBD) has increased in recent years, patients suffer from decreased quality of life due to non-response or loss of response to the currently available treatments. An increased understanding of the disease’s etiology could provide novel insights for treatment strategies in IBD. Lymphatic system components are generally linked to immune responses and presumably related to inflammatory diseases pathophysiology. This review aims to summarize findings on immune-mediated mechanisms in lymphoid tissues linked with IBD pathogenesis and (potential) novel treatments. Enhanced innate and adaptive immune responses were observed in mesenteric lymph nodes (MLNs) and other lymphoid structures, such as Peyer’s patches, in patients with IBD and in animal models. Furthermore, the phenomenon of lymphatic obstruction in the form of granulomas in MLNs and lymphatic vessels correlates with disease activity. There is also evidence that abnormalities in the lymphatic stromal components and lymph node microbiome are common in IBD and could be exploited therapeutically. Finally, novel agents targeting lymphocyte trafficking have been added to the treatment armamentarium in the field of IBD. Overall, gut-associated lymphoid tissue plays a key role in IBD immunopathogenesis, which could offer novel therapeutic targets.
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Affiliation(s)
- Dimitrios Nikolakis
- Department of Gastroenterology, Amsterdam Institute for Gastroenterology Endocrinology and Metabolism, Academic Medical Center, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (D.N.); (F.A.E.d.V.); (M.J.P.); (J.G.)
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology & Immunology Center (ARC), Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands;
- Department of Experimental Immunology, Amsterdam Institute for Infection & Immunity, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
- Onassis Foundation, 4 Aeschinou Street, 10558 Athens, Greece
| | - Floris A. E. de Voogd
- Department of Gastroenterology, Amsterdam Institute for Gastroenterology Endocrinology and Metabolism, Academic Medical Center, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (D.N.); (F.A.E.d.V.); (M.J.P.); (J.G.)
| | - Maarten J. Pruijt
- Department of Gastroenterology, Amsterdam Institute for Gastroenterology Endocrinology and Metabolism, Academic Medical Center, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (D.N.); (F.A.E.d.V.); (M.J.P.); (J.G.)
| | - Joep Grootjans
- Department of Gastroenterology, Amsterdam Institute for Gastroenterology Endocrinology and Metabolism, Academic Medical Center, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (D.N.); (F.A.E.d.V.); (M.J.P.); (J.G.)
| | - Marleen G. van de Sande
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology & Immunology Center (ARC), Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands;
- Department of Experimental Immunology, Amsterdam Institute for Infection & Immunity, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Geert R. D’Haens
- Department of Gastroenterology, Amsterdam Institute for Gastroenterology Endocrinology and Metabolism, Academic Medical Center, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (D.N.); (F.A.E.d.V.); (M.J.P.); (J.G.)
- Correspondence:
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Kapoor K, Eissa N, Tshikudi D, Bernstein CN, Ghia JE. Impact of intrarectal chromofungin treatment on dendritic cells-related markers in different immune compartments in colonic inflammatory conditions. World J Gastroenterol 2021; 27:8138-8155. [PMID: 35068859 PMCID: PMC8704268 DOI: 10.3748/wjg.v27.i47.8138] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 05/12/2021] [Accepted: 12/08/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Chromofungin (CHR: chromogranin-A 47-66) is a chromogranin-A derived peptide with anti-inflammatory and anti-microbial properties. Ulcerative colitis (UC) is characterized by a colonic decrease of CHR and a dysregulation of dendritic CD11c+ cells.
AIM To investigate the association between CHR treatment and dendritic cells (DCs)-related markers in different immune compartments in colitis.
METHODS A model of acute UC-like colitis using dextran sulphate sodium (DSS) was used in addition to biopsies collected from UC patients.
RESULTS Intrarectal CHR treatment reduced the severity of DSS-induced colitis and was associated with a significant decrease in the expression of CD11c, CD40, CD80, CD86 and interleukin (IL)-12p40 in the inflamed colonic mucosa and CD11c, CD80, CD86 IL-6 and IL-12p40 within the mesenteric lymph nodes and the spleen. Furthermore, CHR treatment decreased CD80 and CD86 expression markers of splenic CD11c+ cells and decreased NF-κB expression in the colon and of splenic CD11c+ cells. In vitro, CHR decreased CD40, CD80, CD86 IL-6 and IL-12p40 expression in naïve bone marrow-derived CD11c+ DCs stimulated with lipopolysaccharide. Pharmacological studies demonstrated an impact of CHR on the NF-κB pathway. In patients with active UC, CHR level was reduced and showed a negative linear relationship with CD11c and CD86.
CONCLUSION CHR has protective properties against intestinal inflammation via the regulation of DC-related markers and CD11c+ cells. CHR could be a potential therapy of UC.
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Affiliation(s)
- Kunal Kapoor
- Department of Immunology, University of Manitoba, Winnipeg R3E0T5, MB, Canada
| | - Nour Eissa
- Department of Immunology, University of Manitoba, Winnipeg R3E0T5, MB, Canada
- Children's Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg R3E0T5, MB, Canada
- Section of Gastroenterology, Department of Internal Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg R3E0T5, MB, Canada
- University of Manitoba IBD Clinical and Research Centre, University of Manitoba, Winnipeg R3E0T5, MB, Canada
| | - Diane Tshikudi
- Department of Immunology, University of Manitoba, Winnipeg R3E0T5, MB, Canada
| | - Charles N Bernstein
- Section of Gastroenterology, Department of Internal Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg R3E0T5, MB, Canada
- University of Manitoba IBD Clinical and Research Centre, University of Manitoba, Winnipeg R3E0T5, MB, Canada
| | - Jean-Eric Ghia
- Department of Immunology, University of Manitoba, Winnipeg R3E0T5, MB, Canada
- Children's Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg R3E0T5, MB, Canada
- Section of Gastroenterology, Department of Internal Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg R3E0T5, MB, Canada
- University of Manitoba IBD Clinical and Research Centre, University of Manitoba, Winnipeg R3E0T5, MB, Canada
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23
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Lécuyer E, Le Roy T, Gestin A, Lacombe A, Philippe C, Ponnaiah M, Huré JB, Fradet M, Ichou F, Boudebbouze S, Huby T, Gautier E, Rhimi M, Maguin E, Kapel N, Gérard P, Venteclef N, Garlatti M, Chassaing B, Lesnik P. Tolerogenic Dendritic Cells Shape a Transmissible Gut Microbiota That Protects From Metabolic Diseases. Diabetes 2021; 70:2067-2080. [PMID: 34078628 PMCID: PMC8576430 DOI: 10.2337/db20-1177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 05/26/2021] [Indexed: 11/13/2022]
Abstract
Excess chronic contact between microbial motifs and intestinal immune cells is known to trigger a low-grade inflammation involved in many pathologies such as obesity and diabetes. The important skewing of intestinal adaptive immunity in the context of diet-induced obesity (DIO) is well described, but how dendritic cells (DCs) participate in these changes is still poorly documented. To address this question, we challenged transgenic mice with enhanced DC life span and immunogenicity (DChBcl-2 mice) with a high-fat diet. Those mice display resistance to DIO and metabolic alterations. The DIO-resistant phenotype is associated with healthier parameters of intestinal barrier function and lower intestinal inflammation. DChBcl-2 DIO-resistant mice demonstrate a particular increase in tolerogenic DC numbers and function, which is associated with strong intestinal IgA, T helper 17, and regulatory T-cell immune responses. Microbiota composition and function analyses reveal that the DChBcl-2 mice microbiota is characterized by lower immunogenicity and an enhanced butyrate production. Cohousing experiments and fecal microbial transplantations are sufficient to transfer the DIO resistance status to wild-type mice, demonstrating that maintenance of DCs' tolerogenic ability sustains a microbiota able to drive DIO resistance. The tolerogenic function of DCs is revealed as a new potent target in metabolic disease management.
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Affiliation(s)
- Emelyne Lécuyer
- INSERM, UMRS 1166 Institute of Cardiometabolism and Nutrition, Sorbonne Université, Paris, France
| | - Tiphaine Le Roy
- INSERM, UMRS 1166 Institute of Cardiometabolism and Nutrition, Sorbonne Université, Paris, France
- Institute of Cardiometabolism and Nutrition, Hôpital Pitié-Salpêtrière, Paris, France
- Sorbonne/INSERM, Nutrition et obésités: approches systémiques (nutriOmics), Hôpital Pitié- Salpêtrière, Paris, France
| | - Aurélie Gestin
- INSERM, UMRS 1166 Institute of Cardiometabolism and Nutrition, Sorbonne Université, Paris, France
- Institute of Cardiometabolism and Nutrition, Hôpital Pitié-Salpêtrière, Paris, France
| | - Amélie Lacombe
- Institute of Cardiometabolism and Nutrition, Hôpital Pitié-Salpêtrière, Paris, France
| | - Catherine Philippe
- Micalis Institute, INRAE, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Maharajah Ponnaiah
- Institute of Cardiometabolism and Nutrition, Hôpital Pitié-Salpêtrière, Paris, France
| | - Jean-Baptiste Huré
- INSERM, UMRS 1166 Institute of Cardiometabolism and Nutrition, Sorbonne Université, Paris, France
| | - Magali Fradet
- Institute of Cardiometabolism and Nutrition, Hôpital Pitié-Salpêtrière, Paris, France
| | - Farid Ichou
- Institute of Cardiometabolism and Nutrition, Hôpital Pitié-Salpêtrière, Paris, France
| | - Samira Boudebbouze
- Micalis Institute, INRAE, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Thierry Huby
- INSERM, UMRS 1166 Institute of Cardiometabolism and Nutrition, Sorbonne Université, Paris, France
- Institute of Cardiometabolism and Nutrition, Hôpital Pitié-Salpêtrière, Paris, France
| | - Emmanuel Gautier
- INSERM, UMRS 1166 Institute of Cardiometabolism and Nutrition, Sorbonne Université, Paris, France
- Institute of Cardiometabolism and Nutrition, Hôpital Pitié-Salpêtrière, Paris, France
| | - Moez Rhimi
- Micalis Institute, INRAE, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Emmanuelle Maguin
- Micalis Institute, INRAE, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Nathalie Kapel
- Laboratoire de Coprologie Fonctionnelle, Hôpital Pitié-Salpêtrière, Paris, France
- INSERM UMRS 1139, Université de Paris, Paris, France
| | - Philippe Gérard
- Micalis Institute, INRAE, AgroParisTech, Université Paris-Saclay, Jouy-en-Josas, France
| | - Nicolas Venteclef
- INSERM, Cordeliers Research Centre, Immunity and Metabolism of Diabetes (IMMEDIAB), Université de Paris, Paris, France
| | - Michèle Garlatti
- INSERM, UMRS 1166 Institute of Cardiometabolism and Nutrition, Sorbonne Université, Paris, France
| | - Benoit Chassaing
- Neuroscience Institute and Institute for Biomedical Sciences, Georgia State University, Atlanta, GA
- INSERM, U1016, Team "Mucosal microbiota in chronic inflammatory diseases," Paris, France
| | - Philippe Lesnik
- INSERM, UMRS 1166 Institute of Cardiometabolism and Nutrition, Sorbonne Université, Paris, France
- Institute of Cardiometabolism and Nutrition, Hôpital Pitié-Salpêtrière, Paris, France
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24
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Probiotic-Induced Tolerogenic Dendritic Cells: A Novel Therapy for Inflammatory Bowel Disease? Int J Mol Sci 2021; 22:ijms22158274. [PMID: 34361038 PMCID: PMC8348973 DOI: 10.3390/ijms22158274] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/22/2021] [Accepted: 07/24/2021] [Indexed: 12/11/2022] Open
Abstract
Inflammatory bowel diseases (IBDs) are immune-mediated, chronic relapsing diseases with a rising prevalence worldwide in both adult and pediatric populations. Treatment options for immune-mediated diseases, including IBDs, are traditional steroids, immunomodulators, and biologics, none of which are capable of inducing long-lasting remission in all patients. Dendritic cells (DCs) play a fundamental role in inducing tolerance and regulating T cells and their tolerogenic functions. Hence, modulation of intestinal mucosal immunity by DCs could provide a novel, additional tool for the treatment of IBD. Recent evidence indicates that probiotic bacteria might impact immunomodulation both in vitro and in vivo by regulating DCs’ maturation and producing tolerogenic DCs (tolDCs) which, in turn, might dampen inflammation. In this review, we will discuss this evidence and the mechanisms of action of probiotics and their metabolites in inducing tolDCs in IBDs and some conditions associated with them.
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25
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Bos AV, Erkelens MN, Koenders STA, van der Stelt M, van Egmond M, Mebius RE. Clickable Vitamins as a New Tool to Track Vitamin A and Retinoic Acid in Immune Cells. Front Immunol 2021; 12:671283. [PMID: 34305901 PMCID: PMC8298001 DOI: 10.3389/fimmu.2021.671283] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 06/02/2021] [Indexed: 01/24/2023] Open
Abstract
The vitamin A derivative, retinoid acid (RA) is key player in guiding adaptive mucosal immune responses. However, data on the uptake and metabolism of vitamin A within human immune cells has remained largely elusive because retinoids are small, lipophilic molecules which are difficult to detect. To overcome this problem and to be able to study the effect of vitamin A metabolism in human immune cell subsets, we have synthesized novel bio-orthogonal retinoid-based probes (clickable probes), which are structurally and functionally indistinguishable from vitamin A. The probes contain a functional group (an alkyne) to conjugate to a fluorogenic dye to monitor retinoid molecules in real-time in immune cells. We demonstrate, by using flow cytometry and microscopy, that multiple immune cells have the capacity to internalize retinoids to varying degrees, including human monocyte-derived dendritic cells (DCs) and naïve B lymphocytes. We observed that naïve B cells lack the enzymatic machinery to produce RA, but use exogenous retinoic acid to enhance CD38 expression. Furthermore, we showed that human DCs metabolize retinal into retinoic acid, which in co-culture with naïve B cells led to of the induction of CD38 expression. These data demonstrate that in humans, DCs can serve as an exogenous source of RA for naïve B cells. Taken together, through the use of clickable vitamins our data provide valuable insight in the mechanism of vitamin A metabolism and its importance for human adaptive immunity.
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Affiliation(s)
- Amelie V Bos
- Department of Molecular Cell Biology and Immunology, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands
| | - Martje N Erkelens
- Department of Molecular Cell Biology and Immunology, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands
| | - Sebastiaan T A Koenders
- Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands
| | - Mario van der Stelt
- Department of Molecular Physiology, Leiden Institute of Chemistry, Leiden University, Leiden, Netherlands
| | - Marjolein van Egmond
- Department of Molecular Cell Biology and Immunology, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands.,Department of Surgery, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands
| | - Reina E Mebius
- Department of Molecular Cell Biology and Immunology, Amsterdam University Medical Center, location VUmc, Amsterdam, Netherlands
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26
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van der Lelie D, Oka A, Taghavi S, Umeno J, Fan TJ, Merrell KE, Watson SD, Ouellette L, Liu B, Awoniyi M, Lai Y, Chi L, Lu K, Henry CS, Sartor RB. Rationally designed bacterial consortia to treat chronic immune-mediated colitis and restore intestinal homeostasis. Nat Commun 2021; 12:3105. [PMID: 34050144 PMCID: PMC8163890 DOI: 10.1038/s41467-021-23460-x] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 04/29/2021] [Indexed: 12/12/2022] Open
Abstract
Environmental factors, mucosal permeability and defective immunoregulation drive overactive immunity to a subset of resident intestinal bacteria that mediate multiple inflammatory conditions. GUT-103 and GUT-108, live biotherapeutic products rationally designed to complement missing or underrepresented functions in the dysbiotic microbiome of IBD patients, address upstream targets, rather than targeting a single cytokine to block downstream inflammation responses. GUT-103, composed of 17 strains that synergistically provide protective and sustained engraftment in the IBD inflammatory environment, prevented and treated chronic immune-mediated colitis. Therapeutic application of GUT-108 reversed established colitis in a humanized chronic T cell-mediated mouse model. It decreased pathobionts while expanding resident protective bacteria; produced metabolites promoting mucosal healing and immunoregulatory responses; decreased inflammatory cytokines and Th-1 and Th-17 cells; and induced interleukin-10-producing colonic regulatory cells, and IL-10-independent homeostatic pathways. We propose GUT-108 for treating and preventing relapse for IBD and other inflammatory conditions characterized by unbalanced microbiota and mucosal permeability.
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Affiliation(s)
| | - Akihiko Oka
- Departments of Medicine, Microbiology and Immunology, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Internal Medicine II, Shimane University Faculty of Medicine, Shimane, Japan
| | | | - Junji Umeno
- Departments of Medicine, Microbiology and Immunology, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Fukuoka, Japan
| | | | | | | | | | - Bo Liu
- Departments of Medicine, Microbiology and Immunology, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Muyiwa Awoniyi
- Departments of Medicine, Microbiology and Immunology, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Yunjia Lai
- Department of Environmental Sciences and Engineering, Gillings School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Liang Chi
- Department of Environmental Sciences and Engineering, Gillings School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Kun Lu
- Department of Environmental Sciences and Engineering, Gillings School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | | | - R Balfour Sartor
- Departments of Medicine, Microbiology and Immunology, Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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27
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Fernández-Tomé S, Indiano-Romacho P, Mora-Gutiérrez I, Pérez-Rodríguez L, Ortega Moreno L, Marin AC, Baldán-Martín M, Moreno-Monteagudo JA, Santander C, Chaparro M, Hernández-Ledesma B, Gisbert JP, Bernardo D. Lunasin Peptide is a Modulator of the Immune Response in the Human Gastrointestinal Tract. Mol Nutr Food Res 2021; 65:e2001034. [PMID: 33890400 DOI: 10.1002/mnfr.202001034] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 02/11/2021] [Indexed: 12/29/2022]
Abstract
INTRODUCTION Lunasin is a soybean bioactive peptide with a variety of beneficial properties against chronic disorders. However, its effect in human primary intestinal cells remains unknown. Hence, this study aims to characterize its ex vivo biological activity in the human intestinal mucosa. METHODS AND RESULTS Human intestinal biopsies, obtained from healthy controls, are ex vivo conditioned with lunasin both in the presence/absence of lipopolysaccharide (LPS). Peptide maintains its stability during biopsy culture by HPLC-MS/MS analysis. Lunasin is bioactive in the human mucosa, as it induces IL-1β, TNF-α, IL-17A, CCL2, and PGE2/COX-2 gene expression together with an increased expression of tolerogenic IL-10 and TGFβ, while it also downregulates the expression of iNOS and subunit p65 from NF-κB. Indeed, lunasin also abrogates the LPS-induced pro-inflammatory response, downregulating IL-17A, IFNγ, and IL-8 expression, and inducing IL-10 and TGFβ expression. These results are also mirrored in the cell-free culture supernatants at the protein level by Multiplex. Moreover, lunasin further induces a regulatory phenotype and function on human intestinal conventional dendritic cell and macrophage subsets as assessed by flow cytometry. CONCLUSIONS We hereby have characterized lunasin as an immunomodulatory peptide with potential capacity to prevent immune and inflammatory-mediated disorders in the human gastrointestinal tract.
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Affiliation(s)
- Samuel Fernández-Tomé
- Servicio de Aparato Digestivo. Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain
| | - Pedro Indiano-Romacho
- Instituto de Investigación en Ciencias de la Alimentación (CIAL, CSIC-UAM, CEI UAM+CSIC), Madrid, Spain
| | - Irene Mora-Gutiérrez
- Servicio de Aparato Digestivo. Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain
| | - Leticia Pérez-Rodríguez
- Instituto de Investigación en Ciencias de la Alimentación (CIAL, CSIC-UAM, CEI UAM+CSIC), Madrid, Spain
| | - Lorena Ortega Moreno
- Servicio de Aparato Digestivo. Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain.,Departamento de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Alicia C Marin
- Servicio de Aparato Digestivo. Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain
| | - Montserrat Baldán-Martín
- Servicio de Aparato Digestivo. Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain
| | - José Andrés Moreno-Monteagudo
- Servicio de Aparato Digestivo. Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain
| | - Cecilio Santander
- Servicio de Aparato Digestivo. Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain.,Departamento de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - María Chaparro
- Servicio de Aparato Digestivo. Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain.,Departamento de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Blanca Hernández-Ledesma
- Instituto de Investigación en Ciencias de la Alimentación (CIAL, CSIC-UAM, CEI UAM+CSIC), Madrid, Spain
| | - Javier P Gisbert
- Servicio de Aparato Digestivo. Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain.,Departamento de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - David Bernardo
- Servicio de Aparato Digestivo. Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria Princesa (IIS-IP), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid, Spain.,Instituto de Biomedicina y Genética Molecular de Valladolid (IBGM), Universidad de Valladolid-CSIC, Valladolid, Spain
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28
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Jin J, Jung IH, Moon SH, Jeon S, Jeong SJ, Sonn SK, Seo S, Lee MN, Song EJ, Kweon HY, Kim S, Kim TK, Kim J, Cho HR, Choi JH, Kwon B, Oh GT. CD137 Signaling Regulates Acute Colitis via RALDH2-Expressing CD11b -CD103 + DCs. Cell Rep 2021; 30:4124-4136.e5. [PMID: 32209473 DOI: 10.1016/j.celrep.2020.02.103] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Revised: 12/21/2019] [Accepted: 02/27/2020] [Indexed: 12/23/2022] Open
Abstract
CD137, a potent costimulatory receptor for CD8+ T cells, is expressed in various non-T cells, but little is known about its regulatory functions in these cells. In this study, we show that CD137 signaling, specifically in intestinal CD11b-CD103+ dendritic cells (DCs), restricts acute colitis progression. Mechanistically, CD137 engagement activates TAK1 and subsequently stimulates the AMPK-PGC-1α axis to enhance expression of the Aldh1a2 gene encoding the retinoic acid (RA) metabolizing enzyme RALDH2. RA can act on CD11b+CD103- DCs and induce SOCS3 expression, which, in turn, suppresses p38MAPK activation and interleukin-23 (IL-23) production. Administration of RA in DC-specific CD137-/- mice represses IL-23-producing CD11b+CD103- DCs and TH17 cells, indicating that RA is a major inhibitory effector molecule against intestinal CD11b+CD103- DCs. Additionally, the therapeutic effect of the anti-CD137 antibody is abrogated in DC-specific CD137-/- mice. Taken together, our results define a mechanism of paracrine immunoregulation operating between adjacent DC subsets in the intestine.
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Affiliation(s)
- Jing Jin
- Immune and Vascular Cell Network Research Center, National Creative Initiatives, Department of Life Sciences, Ewha Womans University, Seoul 120-750, South Korea
| | - In-Hyuk Jung
- Cardiovascular Division, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Shin Hye Moon
- Immune and Vascular Cell Network Research Center, National Creative Initiatives, Department of Life Sciences, Ewha Womans University, Seoul 120-750, South Korea
| | - Sejin Jeon
- Immune and Vascular Cell Network Research Center, National Creative Initiatives, Department of Life Sciences, Ewha Womans University, Seoul 120-750, South Korea
| | - Se-Jin Jeong
- Cardiovascular Division, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Seong-Keun Sonn
- Immune and Vascular Cell Network Research Center, National Creative Initiatives, Department of Life Sciences, Ewha Womans University, Seoul 120-750, South Korea
| | - Seungwoon Seo
- Immune and Vascular Cell Network Research Center, National Creative Initiatives, Department of Life Sciences, Ewha Womans University, Seoul 120-750, South Korea
| | - Mi-Ni Lee
- Immune and Vascular Cell Network Research Center, National Creative Initiatives, Department of Life Sciences, Ewha Womans University, Seoul 120-750, South Korea
| | - Eun Ju Song
- Immune and Vascular Cell Network Research Center, National Creative Initiatives, Department of Life Sciences, Ewha Womans University, Seoul 120-750, South Korea
| | - Hyae Yon Kweon
- Immune and Vascular Cell Network Research Center, National Creative Initiatives, Department of Life Sciences, Ewha Womans University, Seoul 120-750, South Korea
| | - Sinai Kim
- Immune and Vascular Cell Network Research Center, National Creative Initiatives, Department of Life Sciences, Ewha Womans University, Seoul 120-750, South Korea
| | - Tae Kyeong Kim
- Immune and Vascular Cell Network Research Center, National Creative Initiatives, Department of Life Sciences, Ewha Womans University, Seoul 120-750, South Korea
| | - Juyang Kim
- School of Biological Sciences and Biomedical Research Center, University of Ulsan, Ulsan 44610, South Korea
| | - Hong Rae Cho
- Department of Surgery and Biomedical Research Center, Ulsan University Hospital, College of Medicine, University of Ulsan, Ulsan 44610, South Korea
| | - Jae-Hoon Choi
- Department of Life Science, College of Natural Sciences, Research Institute for Natural Sciences, Hanyang University, Seoul 133-791, South Korea
| | - Byungsuk Kwon
- School of Biological Sciences and Biomedical Research Center, University of Ulsan, Ulsan 44610, South Korea.
| | - Goo Taeg Oh
- Immune and Vascular Cell Network Research Center, National Creative Initiatives, Department of Life Sciences, Ewha Womans University, Seoul 120-750, South Korea.
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29
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Yang ZJ, Wang BY, Wang TT, Wang FF, Guo YX, Hua RX, Shang HW, Lu X, Xu JD. Functions of Dendritic Cells and Its Association with Intestinal Diseases. Cells 2021; 10:cells10030583. [PMID: 33800865 PMCID: PMC7999753 DOI: 10.3390/cells10030583] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 02/25/2021] [Accepted: 03/04/2021] [Indexed: 12/13/2022] Open
Abstract
Dendritic cells (DCs), including conventional DCs (cDCs) and plasmacytoid DCs (pDCs), serve as the sentinel cells of the immune system and are responsible for presenting antigen information. Moreover, the role of DCs derived from monocytes (moDCs) in the development of inflammation has been emphasized. Several studies have shown that the function of DCs can be influenced by gut microbes including gut bacteria and viruses. Abnormal changes/reactions in intestinal DCs are potentially associated with diseases such as inflammatory bowel disease (IBD) and intestinal tumors, allowing DCs to be a new target for the treatment of these diseases. In this review, we summarized the physiological functions of DCs in the intestinal micro-environment, their regulatory relationship with intestinal microorganisms and their regulatory mechanism in intestinal diseases.
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Affiliation(s)
- Ze-Jun Yang
- Clinical Medicine of “5 + 3” Program, Capital Medical University, Beijing 100069, China; (Z.-J.Y.); (F.-F.W.); (R.-X.H.)
| | - Bo-Ya Wang
- Undergraduate Student of 2018 Eight Years Program of Clinical Medicine, Peking University Health Science Center, Beijing 100081, China;
| | - Tian-Tian Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China;
| | - Fei-Fei Wang
- Clinical Medicine of “5 + 3” Program, Capital Medical University, Beijing 100069, China; (Z.-J.Y.); (F.-F.W.); (R.-X.H.)
| | - Yue-Xin Guo
- Oral Medicine of “5 + 3” Program, Capital Medical University, Beijing 100069, China;
| | - Rong-Xuan Hua
- Clinical Medicine of “5 + 3” Program, Capital Medical University, Beijing 100069, China; (Z.-J.Y.); (F.-F.W.); (R.-X.H.)
| | - Hong-Wei Shang
- Morphological Experiment Center, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (H.-W.S.); (X.L.)
| | - Xin Lu
- Morphological Experiment Center, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China; (H.-W.S.); (X.L.)
| | - Jing-Dong Xu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China;
- Correspondence:
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Han X, Ding S, Jiang H, Liu G. Roles of Macrophages in the Development and Treatment of Gut Inflammation. Front Cell Dev Biol 2021; 9:625423. [PMID: 33738283 PMCID: PMC7960654 DOI: 10.3389/fcell.2021.625423] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 02/08/2021] [Indexed: 12/14/2022] Open
Abstract
Macrophages, which are functional plasticity cells, have the ability to phagocytize and digest foreign substances and acquire pro-(M1-like) or anti-inflammatory (M2-like) phenotypes according to their microenvironment. The large number of macrophages in the intestinal tract, play a significant role in maintaining the homeostasis of microorganisms on the surface of the intestinal mucosa and in the continuous renewal of intestinal epithelial cells. They are not only responsible for innate immunity, but also participate in the development of intestinal inflammation. A clear understanding of the function of macrophages, as well as their role in pathogens and inflammatory response, will delineate the next steps in the treatment of intestinal inflammatory diseases. In this review, we discuss the origin and development of macrophages and their role in the intestinal inflammatory response or infection. In addition, the effects of macrophages in the occurrence and development of inflammatory bowel disease (IBD), and their role in inducing fibrosis, activating T cells, reducing colitis, and treating intestinal inflammation were also reviewed in this paper.
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Affiliation(s)
- Xuebing Han
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, China
| | - Sujuan Ding
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, China
| | - Hongmei Jiang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, China
| | - Gang Liu
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, China
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Liu JL, Wang CY, Cheng TY, Rixiati Y, Ji C, Deng M, Yao S, Yuan LH, Zhao YY, Shen T, Li JM. Circadian Clock Disruption Suppresses PDL1 + Intraepithelial B Cells in Experimental Colitis and Colitis-Associated Colorectal Cancer. Cell Mol Gastroenterol Hepatol 2021; 12:251-276. [PMID: 33652118 PMCID: PMC8141473 DOI: 10.1016/j.jcmgh.2021.02.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 02/12/2021] [Accepted: 02/16/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND & AIMS The circadian clock is crucial for physiological homeostasis including gut homeostasis. Disorder of the circadian clock may contribute to many diseases including inflammatory bowel disease (IBD). However, the role and the mechanisms of circadian clock involvement in IBD still are unclear. METHODS Disorder of the circadian clock including chronic social jet lag and circadian clock gene deficiency mice (Bmal1-/-, and Per1-/-Per2-/-) were established. Dextran sulfate sodium (DSS) and/or azoxymethane were used to induce mouse models of colitis and its associated colorectal cancer. Flow cytometry, immunohistochemistry, immunofluorescence, Western blot, and reverse-transcription quantitative polymerase chain reaction were used to analyze the characteristics of immune cells and their related molecules. RESULTS Mice with disorders of the circadian clock including chronic social jet lag and circadian clock gene deficiency were susceptible to colitis. Functionally, regulatory B (Breg) cells highly expressing Programmed cell death 1 ligand 1 (PDL1) in intestinal intraepithelial lymphocytes (IELs) helped to alleviate the severity of colitis after DSS treatment and was dysregulated in DSS-treated Bmal1-/- mice. Notably, interleukin 33 in the intestinal microenvironment was key for Bmal1-regulated PDL1+ Breg cells and interleukin 33 was a target of Bmal1 transcriptionally. Dysregulated PDL1+ B cells induced cell death of activated CD4+ T cells in DSS-treated Bmal1-/- mice. Consequently, circadian clock disorder was characterized as decreased numbers of Breg+ PDL1+ cells in IELs and dysfunction of CD4+ T cells promoted colitis-associated colorectal cancer (CRC) in mice. In clinical samples from CRC patients, low expression of Bmal1 gene in paracancerous tissues and center area of tumor was associated closely with a poorer prognosis of CRC patients. CONCLUSIONS Our study uncovers the importance of the circadian clock regulating PDL1+ Breg+ cells of IELs in IBD and IBD-associated CRC.
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Affiliation(s)
- Jing-Lin Liu
- Department of Pathology, Soochow University Medical School, Suzhou, China
| | - Chu-Yi Wang
- Department of Pathology, Soochow University Medical School, Suzhou, China
| | - Tian-Yu Cheng
- Department of Pathology, Soochow University Medical School, Suzhou, China
| | | | - Cheng Ji
- Department of Pathology, Soochow University Medical School, Suzhou, China
| | - Min Deng
- Department of Pathology, Soochow University Medical School, Suzhou, China
| | - Su Yao
- Department of Pathology, Guangdong General Hospital, Guangzhou, China
| | - Li-Hua Yuan
- Suzhou Institute of Nano-tech and Nano-bionics, Chinese Academy of Sciences, Suzhou, China
| | - Yuan-Yuan Zhao
- Department of Pathology, Soochow University Medical School, Suzhou, China
| | - Tong Shen
- Department of Pathology, Soochow University Medical School, Suzhou, China.
| | - Jian-Ming Li
- Department of Pathology, Soochow University Medical School, Suzhou, China; Department of Pathology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China.
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Minakshi P, Kumar R, Ghosh M, Brar B, Barnela M, Lakhani P. Application of Polymeric Nano-Materials in Management of Inflammatory Bowel Disease. Curr Top Med Chem 2021; 20:982-1008. [PMID: 32196449 DOI: 10.2174/1568026620666200320113322] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 01/25/2020] [Accepted: 02/24/2020] [Indexed: 02/06/2023]
Abstract
Inflammatory Bowel Disease (IBD) is an umbrella term used to describe disorders that involve Crohn's disease (CD), ulcerative colitis (UC) and pouchitis. The disease occurrence is more prevalent in the working group population which not only hampers the well being of an individual but also has negative economical impact on society. The current drug regime used therapy is very costly owing to the chronic nature of the disease leading to several side effects. The condition gets more aggravated due to the lower concentration of drug at the desired site. Therefore, in the present scenario, a therapy is needed which can maximize efficacy, adhere to quality of life, minimize toxicity and doses, be helpful in maintaining and stimulating physical growth of mucosa with minimum disease complications. In this aspect, nanotechnology intervention is one promising field as it can act as a carrier to reduce toxicity, doses and frequency which in turn help in faster recovery. Moreover, nanomedicine and nanodiagnostic techniques will further open a new window for treatment in understanding pathogenesis along with better diagnosis which is poorly understood till now. Therefore the present review is more focused on recent advancements in IBD in the application of nanotechnology.
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Affiliation(s)
- Prasad Minakshi
- Department of Animal Biotechnology, LLR University of Veterinary and Animal Sciences, Hisar-125001, Haryana, India
| | - Rajesh Kumar
- Department of Veterinary Physiology & Biochemistry, LUVAS, Hisar-125 004, India
| | - Mayukh Ghosh
- Department of Veterinary Physiology and Biochemistry, RGSC, Banaras Hindu University, Mirzapur (UP) - 231001, India
| | - Basanti Brar
- Department of Animal Biotechnology, LLR University of Veterinary and Animal Sciences, Hisar-125001, Haryana, India
| | - Manju Barnela
- Department of Nano & Biotechnology, Guru Jambheshwar University, Hisar-125001, Haryana, India
| | - Preeti Lakhani
- Department of Veterinary Physiology & Biochemistry, LUVAS, Hisar-125 004, India
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LOU Z, ZHAO H, LYU G. [Mechanism and intervention of mucosal immune regulation based on "lung and large intestine being interior-exteriorly related" theory of traditional Chinese medicine]. Zhejiang Da Xue Xue Bao Yi Xue Ban 2020; 49:665-678. [PMID: 33448169 PMCID: PMC8800704 DOI: 10.3785/j.issn.1008-9292.2020.12.01] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 10/23/2020] [Indexed: 04/14/2023]
Abstract
The "lung and large intestine being interior-exteriorly related" is one of the classical theories in traditional Chinese medicine, which indicates a close correlation between the lung and large intestine in physiology and pathology, and plays a pivotal role in guiding the treatment of the lung and bowel diseases. Modern medicine has revealed some connections between the lung and large intestine in tissue origin and mucosal immunity, and preliminarily illuminated the material basis and possible regulatory mechanism of the theory. Recently, this theory has been applied to guide the treatment of refractory lung and intestine diseases such as COVID-19 and ulcerative colitis and has obtained reliable efficacy. Existing research results show that the anatomical homogeneity of lung and large intestine promotes the correlation between lung-bowel mucosal immunity, and mucosal immunity and migration and homing of innate lymphocytes are one of the physiological and pathological mechanisms for lung and large intestine to share. Under the guidance of this theory, Chinese medicines with heat-clearing and detoxifying or tonic effects are commonly used in the treatment of the lung and intestinal diseases by regulating lung-bowel mucosal immunity and they can be candidate drugs to treat lung/intestinal diseases simultaneously. However, the existing studies on immune regulation are mainly focused on the expression levels of sIgA and cytokines, as well as the changes in the number of immune cells such as innate lymphocytes and B lymphocytes. While the following aspects need further investigation: the airway/intestinal mucous hypersecretion, the functional changes of pulmonary and intestinal mucosal barrier immune cells, the dynamic process of lung/intestinal mucosal immune interaction, the intervention effect of local pulmonary/intestinal microecology, the correlation and biological basis between the heat-clearing and detoxifying effect and the tonic effect, and its regulation of pulmonary/intestinal mucosal immunity. In this paper, we try to analyze the internal relationship between lung and intestine related diseases from the point of view of the common mucosal immune system of lung and intestine, and summarize the characteristics and rules of traditional Chinese medicine compound and its active ingredients, which have regulatory effect on lung and intestine mucosal immune system, so as to further explain the theoretical connotation of "lung and large intestine being interior-exteriorly related" and provide reference for the research and development of drugs for related diseases.
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Ehteshamfar S, Akhbari M, Afshari JT, Seyedi M, Nikfar B, Shapouri‐Moghaddam A, Ghanbarzadeh E, Momtazi‐Borojeni AA. Anti-inflammatory and immune-modulatory impacts of berberine on activation of autoreactive T cells in autoimmune inflammation. J Cell Mol Med 2020; 24:13573-13588. [PMID: 33135395 PMCID: PMC7754052 DOI: 10.1111/jcmm.16049] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 09/29/2020] [Accepted: 10/12/2020] [Indexed: 02/06/2023] Open
Abstract
Autoreactive inflammatory CD4+ T cells, such as T helper (Th)1 and Th17 subtypes, have been found to associate with the pathogenesis of autoimmune disorders. On the other hand, CD4+ Foxp3+ T regulatory (Treg) cells are crucial for the immune tolerance and have a critical role in the suppression of the excessive immune and inflammatory response promoted by these Th cells. In contrast, dendritic cells (DCs) and macrophages are immune cells that through their inflammatory functions promote autoreactive T-cell responses in autoimmune conditions. In recent years, there has been increasing attention to exploring effective immunomodulatory or anti-inflammatory agents from the herbal collection of traditional medicine. Berberine, an isoquinoline alkaloid, is one of the main active ingredients extracted from medicinal herbs and has been shown to exert various biological and pharmacological effects that are suggested to be mainly attributed to its anti-inflammatory and immunomodulatory properties. Several lines of experimental study have recently investigated the therapeutic potential of berberine for treating autoimmune conditions in animal models of human autoimmune diseases. Here, we aimed to seek mechanisms underlying immunomodulatory and anti-inflammatory effects of berberine on autoreactive inflammatory responses in autoimmune conditions. Reported data reveal that berberine can directly suppress functions and differentiation of pro-inflammatory Th1 and Th17 cells, and indirectly decrease Th cell-mediated inflammation through modulating or suppressing other cells assisting autoreactive inflammation, such as Tregs, DCs and macrophages.
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Affiliation(s)
- Seyed‐Morteza Ehteshamfar
- Department of ImmunologyFaculty of MedicineBuAli Research InstituteMashhad University of Medical SciencesMashhadIran
| | - Masoume Akhbari
- Department of Molecular MedicineSchool of MedicineQazvin University of Medical SciencesQazvinIran
| | - Jalil Tavakol Afshari
- Department of ImmunologyFaculty of MedicineBuAli Research InstituteMashhad University of Medical SciencesMashhadIran
| | | | - Banafsheh Nikfar
- Pars Advanced and Minimally Invasive Medical Manners Research CenterPars HospitalIran University of Medical SciencesTehranIran
| | - Abbas Shapouri‐Moghaddam
- Department of ImmunologyFaculty of MedicineBuAli Research InstituteMashhad University of Medical SciencesMashhadIran
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Sun T, Nguyen A, Gommerman JL. Dendritic Cell Subsets in Intestinal Immunity and Inflammation. THE JOURNAL OF IMMUNOLOGY 2020; 204:1075-1083. [PMID: 32071090 DOI: 10.4049/jimmunol.1900710] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 10/11/2019] [Indexed: 12/21/2022]
Abstract
The mammalian intestine is a complex environment that is constantly exposed to Ags derived from food, microbiota, and metabolites. Intestinal dendritic cells (DC) have the responsibility of establishing oral tolerance against these Ags while initiating immune responses against mucosal pathogens. We now know that DC are a heterogeneous population of innate immune cells composed of classical and monocyte-derived DC, Langerhans cells, and plasmacytoid DC. In the intestine, DC are found in organized lymphoid tissues, such as the mesenteric lymph nodes and Peyer's patches, as well as in the lamina propria. In this Brief Review, we review recent work that describes a division of labor between and collaboration among gut DC subsets in the context of intestinal homeostasis and inflammation. Understanding relationships between DC subtypes and their biological functions will rationalize oral vaccine design and will provide insights into treatments that quiet pathological intestinal inflammation.
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Affiliation(s)
- Tian Sun
- Department of Immunology, Faculty of Medicine, University of Toronto, Toronto, Ontario M5S1A8, Canada
| | - Albert Nguyen
- Department of Immunology, Faculty of Medicine, University of Toronto, Toronto, Ontario M5S1A8, Canada
| | - Jennifer L Gommerman
- Department of Immunology, Faculty of Medicine, University of Toronto, Toronto, Ontario M5S1A8, Canada
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Durant L, Stentz R, Noble A, Brooks J, Gicheva N, Reddi D, O’Connor MJ, Hoyles L, McCartney AL, Man R, Pring ET, Dilke S, Hendy P, Segal JP, Lim DNF, Misra R, Hart AL, Arebi N, Carding SR, Knight SC. Bacteroides thetaiotaomicron-derived outer membrane vesicles promote regulatory dendritic cell responses in health but not in inflammatory bowel disease. MICROBIOME 2020; 8:88. [PMID: 32513301 PMCID: PMC7282036 DOI: 10.1186/s40168-020-00868-z] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 05/13/2020] [Indexed: 06/09/2023]
Abstract
BACKGROUND Bacteroides thetaiotaomicron (Bt) is a prominent member of the human intestinal microbiota that, like all gram-negative bacteria, naturally generates nanosized outer membrane vesicles (OMVs) which bud off from the cell surface. Importantly, OMVs can cross the intestinal epithelial barrier to mediate microbe-host cell crosstalk involving both epithelial and immune cells to help maintain intestinal homeostasis. Here, we have examined the interaction between Bt OMVs and blood or colonic mucosa-derived dendritic cells (DC) from healthy individuals and patients with Crohn's disease (CD) or ulcerative colitis (UC). RESULTS In healthy individuals, Bt OMVs stimulated significant (p < 0.05) IL-10 expression by colonic DC, whereas in peripheral blood-derived DC they also stimulated significant (p < 0.001 and p < 0.01, respectively) expression of IL-6 and the activation marker CD80. Conversely, in UC Bt OMVs were unable to elicit IL-10 expression by colonic DC. There were also reduced numbers of CD103+ DC in the colon of both UC and CD patients compared to controls, supporting a loss of regulatory DC in both diseases. Furthermore, in CD and UC, Bt OMVs elicited a significantly lower proportion of DC which expressed IL-10 (p < 0.01 and p < 0.001, respectively) in blood compared to controls. These alterations in DC responses to Bt OMVs were seen in patients with inactive disease, and thus are indicative of intrinsic defects in immune responses to this commensal in inflammatory bowel disease (IBD). CONCLUSIONS Overall, our findings suggest a key role for OMVs generated by the commensal gut bacterium Bt in directing a balanced immune response to constituents of the microbiota locally and systemically during health which is altered in IBD patients. Video Abstract.
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Affiliation(s)
- Lydia Durant
- Antigen Presentation Research Group, Imperial College London, Northwick Park & St. Mark’s Hospital Campus, Watford Rd, Harrow, Greater London HA1 3UJ UK
| | - Régis Stentz
- Gut Microbes and Health Research Programme, Quadram Institute Bioscience, Norwich, NR4 7UQ UK
| | - Alistair Noble
- Antigen Presentation Research Group, Imperial College London, Northwick Park & St. Mark’s Hospital Campus, Watford Rd, Harrow, Greater London HA1 3UJ UK
| | - Johanne Brooks
- Gut Microbes and Health Research Programme, Quadram Institute Bioscience, Norwich, NR4 7UQ UK
- Norwich Medical School, University of East Anglia, Norwich, NR4 7TJ UK
| | - Nadezhda Gicheva
- Gut Microbes and Health Research Programme, Quadram Institute Bioscience, Norwich, NR4 7UQ UK
| | - Durga Reddi
- Antigen Presentation Research Group, Imperial College London, Northwick Park & St. Mark’s Hospital Campus, Watford Rd, Harrow, Greater London HA1 3UJ UK
| | - Matthew J. O’Connor
- Antigen Presentation Research Group, Imperial College London, Northwick Park & St. Mark’s Hospital Campus, Watford Rd, Harrow, Greater London HA1 3UJ UK
| | - Lesley Hoyles
- Department of Biosciences, Nottingham Trent University, Clifton Campus, Nottingham, NG11 8NS UK
| | - Anne L. McCartney
- Food Microbial Sciences Unit, University of Reading, Whiteknights, Reading, RG6 6UR UK
| | - Ripple Man
- St Mark’s Hospital, London North West University Healthcare NHS Trust, Harrow, Greater London HA1 3UJ UK
| | - E. Tobias Pring
- Antigen Presentation Research Group, Imperial College London, Northwick Park & St. Mark’s Hospital Campus, Watford Rd, Harrow, Greater London HA1 3UJ UK
- St Mark’s Hospital, London North West University Healthcare NHS Trust, Harrow, Greater London HA1 3UJ UK
| | - Stella Dilke
- Antigen Presentation Research Group, Imperial College London, Northwick Park & St. Mark’s Hospital Campus, Watford Rd, Harrow, Greater London HA1 3UJ UK
- St Mark’s Hospital, London North West University Healthcare NHS Trust, Harrow, Greater London HA1 3UJ UK
| | - Philip Hendy
- Antigen Presentation Research Group, Imperial College London, Northwick Park & St. Mark’s Hospital Campus, Watford Rd, Harrow, Greater London HA1 3UJ UK
- St Mark’s Hospital, London North West University Healthcare NHS Trust, Harrow, Greater London HA1 3UJ UK
| | - Jonathan P. Segal
- St Mark’s Hospital, London North West University Healthcare NHS Trust, Harrow, Greater London HA1 3UJ UK
| | - Dennis N. F. Lim
- St Mark’s Hospital, London North West University Healthcare NHS Trust, Harrow, Greater London HA1 3UJ UK
| | - Ravi Misra
- St Mark’s Hospital, London North West University Healthcare NHS Trust, Harrow, Greater London HA1 3UJ UK
| | - Ailsa L. Hart
- St Mark’s Hospital, London North West University Healthcare NHS Trust, Harrow, Greater London HA1 3UJ UK
| | - Naila Arebi
- St Mark’s Hospital, London North West University Healthcare NHS Trust, Harrow, Greater London HA1 3UJ UK
| | - Simon R. Carding
- Gut Microbes and Health Research Programme, Quadram Institute Bioscience, Norwich, NR4 7UQ UK
- Norwich Medical School, University of East Anglia, Norwich, NR4 7TJ UK
| | - Stella C. Knight
- Antigen Presentation Research Group, Imperial College London, Northwick Park & St. Mark’s Hospital Campus, Watford Rd, Harrow, Greater London HA1 3UJ UK
- St Mark’s Hospital, London North West University Healthcare NHS Trust, Harrow, Greater London HA1 3UJ UK
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Rajakumar A, Kane MA, Yu J, Taylor RN, Sidell N. Aberrant retinoic acid production in the decidua: Implications for pre-eclampsia. J Obstet Gynaecol Res 2020; 46:1007-1016. [PMID: 32343034 DOI: 10.1111/jog.14262] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 04/03/2020] [Indexed: 01/05/2023]
Abstract
Fine-tuning of the endometrium during the evanescent 'window of implantation' relies upon an array of diverse and redundant signaling molecules, particularly the ovarian steroids E2 and P4, but also growth factors, eicosanoids, and vitamins including the vitamin A compounds (retinoids). Pregnancy complications such as preeclampsia (PE) can result from aberrations in the production or function of these molecules that arise during this critical period of decidual development. Such aberrations may be reflected by incomplete decidualization, reduced spiral artery modification, and/or loss of immune tolerance to the developing fetus. Our understanding of the role of the active retinoid metabolite all-trans retinoic acid (RA) in maintaining immune balance in certain tissues, along with data describing its role in decidualization, present a compelling argument that aberrant RA signaling in the decidua can play a significant role in the etiology of PE. Recent findings that decidualization and expression of the anti-angiogenic gene product, 'soluble fms-like tyrosine kinase-1' (sFLT1) are negatively correlated and that sFLT1 expression is directly inhibited by RA, provide additional evidence of the critical role of this retinoid in regulating early vascular development in the decidua. This review provides insight into the production and function of RA in the decidua and how modifications in its metabolism and signaling might lead to certain pregnancy disorders such as PE.
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Affiliation(s)
- Augustine Rajakumar
- Department of Gynecology & Obstetrics, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Maureen A Kane
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland, USA
| | - Jie Yu
- Department of Obstetrics & Gynecology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Robert N Taylor
- Department of Obstetrics & Gynecology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Neil Sidell
- Department of Gynecology & Obstetrics, Emory University School of Medicine, Atlanta, Georgia, USA
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Chapuy L, Sarfati M. Single-Cell Protein and RNA Expression Analysis of Mononuclear Phagocytes in Intestinal Mucosa and Mesenteric Lymph Nodes of Ulcerative Colitis and Crohn's Disease Patients. Cells 2020; 9:E813. [PMID: 32230977 PMCID: PMC7226791 DOI: 10.3390/cells9040813] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 03/19/2020] [Accepted: 03/24/2020] [Indexed: 12/21/2022] Open
Abstract
Inflammatory bowel diseases (IBDs), which include Crohn's disease (CD) and ulcerative colitis (UC), are driven by an abnormal immune response to commensal microbiota in genetically susceptible hosts. In addition to epithelial and stromal cells, innate and adaptive immune systems are both involved in IBD immunopathogenesis. Given the advances driven by single-cell technologies, we here reviewed the immune landscape and function of mononuclear phagocytes in inflamed non-lymphoid and lymphoid tissues of CD and UC patients. Immune cell profiling of IBD tissues using scRNA sequencing combined with multi-color cytometry analysis identifies unique clusters of monocyte-like cells, macrophages, and dendritic cells. These clusters reflect either distinct cell lineages (nature), or distinct or intermediate cell types with identical ontogeny, adapting their phenotype and function to the surrounding milieu (nurture and tissue imprinting). These advanced technologies will provide an unprecedented view of immune cell networks in health and disease, and thus may offer a personalized medicine approach to patients with IBD.
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Affiliation(s)
| | - Marika Sarfati
- Immunoregulation Laboratory, CRCHUM, Montreal, QC H2X 0A9, Canada;
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Jia Y, Anwaar S, Li L, Yin Z, Ye Z, Huang Z. A new target for the treatment of inflammatory bowel disease: Interleukin-37. Int Immunopharmacol 2020; 83:106391. [PMID: 32208166 DOI: 10.1016/j.intimp.2020.106391] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 02/22/2020] [Accepted: 03/08/2020] [Indexed: 12/19/2022]
Abstract
Interleukin (IL)-37 belongs to the IL-1 cytokine family. It has anti-inflammatory effects on numerous autoimmune diseases such as asthma, psoriasis, inflammatory bowel disease (IBD), systemic lupus erythematosus (SLE), multiple sclerosis (MS) and rheumatoid arthritis (RA). Mechanistically, IL-37 plays an anti-inflammatory role by regulating the expression of inflammatory factors in two ways: binding extracellular receptors IL-18R or transferring into the nucleus with Smad3. IBD is a kind of idiopathic intestinal inflammatory disease with unknown etiology and pathogenesis. Recent researches had proved that IL-37 is negatively involved in the pathogenesis and development of IBD. Among various inflammatory diseases, IL-37 has been shown to regulate inflammatory development by acting on various immune cells such as neutrophils, macrophages (Mϕ), dendritic cells (DCs), T cells and intestinal epithelial cells. This review summarizes the biological role of IL-37, and its immunoregulatory effects on the immune cells, especially anti-inflammatory function in both human and experimental models of IBD.
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Affiliation(s)
- Yuning Jia
- Biological Therapy Institute, Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Health Science Center, Shenzhen University, Shenzhen 518055, China
| | - Shoaib Anwaar
- Biological Therapy Institute, Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Health Science Center, Shenzhen University, Shenzhen 518055, China
| | - Linyun Li
- Biological Therapy Institute, Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Health Science Center, Shenzhen University, Shenzhen 518055, China
| | - Zhihua Yin
- Shenzhen City Futian Qu Rheumatology Specialist Hospital, Shenzhen 518089, China
| | - Zhizhon Ye
- Shenzhen City Futian Qu Rheumatology Specialist Hospital, Shenzhen 518089, China.
| | - Zhong Huang
- Biological Therapy Institute, Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Department of Immunology, Health Science Center, Shenzhen University, Shenzhen 518055, China.
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Caër C, Wick MJ. Human Intestinal Mononuclear Phagocytes in Health and Inflammatory Bowel Disease. Front Immunol 2020; 11:410. [PMID: 32256490 PMCID: PMC7093381 DOI: 10.3389/fimmu.2020.00410] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 02/21/2020] [Indexed: 12/18/2022] Open
Abstract
Inflammatory bowel disease (IBD), including Crohn's disease and ulcerative colitis, is a complex immune-mediated disease of the gastrointestinal tract that increases morbidity and negatively influences the quality of life. Intestinal mononuclear phagocytes (MNPs) have a crucial role in maintaining epithelial barrier integrity while controlling pathogen invasion by activating an appropriate immune response. However, in genetically predisposed individuals, uncontrolled immune activation to intestinal flora is thought to underlie the chronic mucosal inflammation that can ultimately result in IBD. Thus, MNPs are involved in fine-tuning mucosal immune system responsiveness and have a critical role in maintaining homeostasis or, potentially, the emergence of IBD. MNPs include monocytes, macrophages and dendritic cells, which are functionally diverse but highly complementary. Despite their crucial role in maintaining intestinal homeostasis, specific functions of human MNP subsets are poorly understood, especially during diseases such as IBD. Here we review the current understanding of MNP ontogeny, as well as the recently identified human intestinal MNP subsets, and discuss their role in health and IBD.
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Affiliation(s)
- Charles Caër
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Mary Jo Wick
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
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Jones GR, Brown SL, Phythian-Adams AT, Ivens AC, Cook PC, MacDonald AS. The Methyl-CpG-Binding Protein Mbd2 Regulates Susceptibility to Experimental Colitis via Control of CD11c + Cells and Colonic Epithelium. Front Immunol 2020; 11:183. [PMID: 32117307 PMCID: PMC7033935 DOI: 10.3389/fimmu.2020.00183] [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] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Accepted: 01/23/2020] [Indexed: 01/16/2023] Open
Abstract
Methyl-CpG-binding domain-2 (Mbd2) acts as an epigenetic regulator of gene expression, by linking DNA methylation to repressive chromatin structure. Although Mbd2 is widely expressed in gastrointestinal immune cells and is implicated in regulating intestinal cancer, anti-helminth responses and colonic inflammation, the Mbd2-expressing cell types that control these responses are incompletely defined. Indeed, epigenetic control of gene expression in cells that regulate intestinal immunity is generally poorly understood, even though such mechanisms may explain the inability of standard genetic approaches to pinpoint the causes of conditions like inflammatory bowel disease. In this study we demonstrate a vital role for Mbd2 in regulating murine colonic inflammation. Mbd2−/− mice displayed dramatically worse pathology than wild type controls during dextran sulfate sodium (DSS) induced colitis, with increased inflammatory (IL-1β+) monocytes. Profiling of mRNA from innate immune and epithelial cell (EC) populations suggested that Mbd2 suppresses inflammation and pathology via control of innate-epithelial cell crosstalk and T cell recruitment. Consequently, restriction of Mbd2 deficiency to CD11c+ dendritic cells and macrophages, or to ECs, resulted in increased DSS colitis severity. Our identification of this dual role for Mbd2 in regulating the inflammatory capacity of both CD11c+ cells and ECs highlights how epigenetic control mechanisms may limit intestinal inflammatory responses.
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Affiliation(s)
- Gareth-Rhys Jones
- Faculty of Biology, Medicine and Health, Manchester Collaborative Centre for Inflammation Research, Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, United Kingdom.,Manchester Academic Health Science Centre, Manchester, United Kingdom.,Centre for Inflammation Research, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Sheila L Brown
- Faculty of Biology, Medicine and Health, Manchester Collaborative Centre for Inflammation Research, Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, United Kingdom.,Manchester Academic Health Science Centre, Manchester, United Kingdom
| | - Alexander T Phythian-Adams
- Faculty of Biology, Medicine and Health, Manchester Collaborative Centre for Inflammation Research, Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, United Kingdom.,Manchester Academic Health Science Centre, Manchester, United Kingdom
| | - Alasdair C Ivens
- Centre for Immunity, Infection and Evolution, School of Biological Sciences, Institute of Immunology and Infection Research, University of Edinburgh, Edinburgh, United Kingdom
| | - Peter C Cook
- Faculty of Biology, Medicine and Health, Manchester Collaborative Centre for Inflammation Research, Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, United Kingdom.,Manchester Academic Health Science Centre, Manchester, United Kingdom
| | - Andrew S MacDonald
- Faculty of Biology, Medicine and Health, Manchester Collaborative Centre for Inflammation Research, Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, United Kingdom.,Manchester Academic Health Science Centre, Manchester, United Kingdom
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Alternatively Activated Macrophages Are the Primary Retinoic Acid-Producing Cells in Human Decidua. Reprod Sci 2020; 27:334-341. [PMID: 32046391 DOI: 10.1007/s43032-019-00030-7] [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] [Received: 01/16/2019] [Accepted: 04/08/2019] [Indexed: 12/18/2022]
Abstract
In situ production and metabolism of all-trans retinoic acid (RA) in decidual tissue are critically important for endometrial stromal differentiation, embryo implantation, and healthy placentation. However, the cellular source(s) of RA in this tissue has yet to be determined. To identify the primary RA-producing cells in human term decidua, we isolated cells from decidua basalis of delivered placenta and quantified cellular retinal dehydrogenase (RALDH) activity, a major biosynthetic enzyme whose activity determines the synthesis of RA from retinol, using an Aldefluor assay and flow cytometry. RA production in decidual tissue and sorted cell subpopulations was evaluated by liquid chromatography-tandem mass spectrometry. CD14+ cells (macrophages/monocytes) showed > 4-fold higher RALDH activity than stromal cells (CD10+), T cells (CD3+), or non-T lymphocytes (CD3-negative). CD11c+ cells that did not co-express CD14 showed about one-third the RALDH activity of their CD14 co-expressing counterparts. The highest RALDH activity was found in "alternatively activated" M2 macrophages delineated by the simultaneous expression of CD14 and CD163. The greater RA synthesizing capacity of M2 versus CD14+CD163-ve (M1) cells was confirmed by direct quantitation of RA biosynthesis from retinol. RA levels in whole decidua were correlated with M2 cell density but not with stromal cell (CD10+) number, the major cell type comprising the decidua. These results identified M2 monocyte/macrophages as the primary source of RA in human term decidua. This finding may have implications for certain pregnancy complications that are known to be associated with reduced numbers of decidual M2 cells.
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Chapuy L, Bsat M, Rubio M, Sarkizova S, Therrien A, Bouin M, Orlicka K, Weber A, Soucy G, Villani AC, Sarfati M. IL-12 and Mucosal CD14+ Monocyte-Like Cells Induce IL-8 in Colonic Memory CD4+ T Cells of Patients With Ulcerative Colitis but not Crohn's Disease. J Crohns Colitis 2020; 14:79-95. [PMID: 31206576 PMCID: PMC6930004 DOI: 10.1093/ecco-jcc/jjz115] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIMS CD14+ mononuclear phagocytes [MNPs] and T cells infiltrate colon in ulcerative colitis [UC]. Here we investigated how CD14+ MNPs and the cytokines they produce shape the colonic effector T cell profile. METHODS Colonic or mesenteric lymph node [mLNs] CD4+ T cells isolated from UC or Crohn's disease [CD] patients were stimulated with cytokines or autologous CD14+ MNPs. Cytokine expression was assessed by intracytoplasmic staining and multiplex ELISA. Unsupervised phenotypic multicolour analysis of colonic CD14+ MNPs was performed using the FlowSOM algorithm. RESULTS Among CD14+CD64+HLA-DR+SIRPα + MNPs, only the pro-inflammatory cytokine-producing CD163- subpopulation accumulated in inflamed UC colon and promoted mucosal IL-1β-dependent Th17, Th17/Th1, Th17/Th22 but not Th1 responses. Unsupervised phenotypic analysis of CD14+CD64+ MNPs segregated CD163- monocyte-like cells and CD163+ macrophages. Unexpectedly, IL-12, IL-1β and CD163-, but not CD163+, cells induced IL-8 expression in colonic CD4+ T cells, which co-expressed IFN-γ and/or IL-17 in UC and not CD. The CD163- monocyte-like cells increased the frequency of IL-8+IL-17+/-IFN-γ +/- T cells through IL-1β and IL-12. Finally, colonic IL-8+ T cells co-expressing GM-CSF, TNF-α and IL-6 were detected ex vivo and, promoted by IL-12 in the mucosa and mLNs in UC only. CONCLUSIONS Our findings established a link between monocyte-like CD163- MNPs, IL-12, IL-1β and the detection of colonic memory IL-8-producing CD4+ T cells, which might all contribute to the pathogenesis of UC.
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Affiliation(s)
- Laurence Chapuy
- Immunoregulation Laboratory, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Université de Montréal, Montréal, QC, Canada
| | - Marwa Bsat
- Immunoregulation Laboratory, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Université de Montréal, Montréal, QC, Canada
| | - Manuel Rubio
- Immunoregulation Laboratory, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Université de Montréal, Montréal, QC, Canada
| | - Sisi Sarkizova
- Department of Biomedical Informatics, Harvard Medical School, Boston, MA, USA,Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Amélie Therrien
- Immunoregulation Laboratory, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Université de Montréal, Montréal, QC, Canada,Centre Hospitalier de l’Université de Montréal (CHUM), Université de Montréal, Montréal, QC, Canada
| | - Mickael Bouin
- Centre Hospitalier de l’Université de Montréal (CHUM), Université de Montréal, Montréal, QC, Canada
| | - Katarzina Orlicka
- Centre Hospitalier de l’Université de Montréal (CHUM), Université de Montréal, Montréal, QC, Canada
| | - Audrey Weber
- Centre Hospitalier de l’Université de Montréal (CHUM), Université de Montréal, Montréal, QC, Canada
| | - Geneviève Soucy
- Centre Hospitalier de l’Université de Montréal (CHUM), Université de Montréal, Montréal, QC, Canada
| | - Alexandra-Chloé Villani
- Broad Institute of MIT and Harvard, Cambridge, MA, USA,Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Boston, MA, USA
| | - Marika Sarfati
- Immunoregulation Laboratory, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Université de Montréal, Montréal, QC, Canada,Corresponding author: Marika Sarfati, Immunoregulation Laboratory, Centre de Recherche du Centre Hospitalier de l’Université de Montréal (CRCHUM), Université de Montréal, Montréal, QC, Canada.
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He W, Kapate N, Shields CW, Mitragotri S. Drug delivery to macrophages: A review of targeting drugs and drug carriers to macrophages for inflammatory diseases. Adv Drug Deliv Rev 2019; 165-166:15-40. [PMID: 31816357 DOI: 10.1016/j.addr.2019.12.001] [Citation(s) in RCA: 122] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Revised: 11/28/2019] [Accepted: 12/04/2019] [Indexed: 12/16/2022]
Abstract
Macrophages play a key role in defending against foreign pathogens, healing wounds, and regulating tissue homeostasis. Driving this versatility is their phenotypic plasticity, which enables macrophages to respond to subtle cues in tightly coordinated ways. However, when this coordination is disrupted, macrophages can aid the progression of numerous diseases, including cancer, cardiovascular disease, and autoimmune disease. The central link between these disorders is aberrant macrophage polarization, which misguides their functional programs, secretory products, and regulation of the surrounding tissue microenvironment. As a result of their important and deterministic roles in both health and disease, macrophages have gained considerable attention as targets for drug delivery. Here, we discuss the role of macrophages in the initiation and progression of various inflammatory diseases, summarize the leading drugs used to regulate macrophages, and review drug delivery systems designed to target macrophages. We emphasize strategies that are approved for clinical use or are poised for clinical investigation. Finally, we provide a prospectus of the future of macrophage-targeted drug delivery systems.
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Affiliation(s)
- Wei He
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA; Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Neha Kapate
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA; Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - C Wyatt Shields
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
| | - Samir Mitragotri
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA.
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Veiga N, Goldsmith M, Diesendruck Y, Ramishetti S, Rosenblum D, Elinav E, Behlke MA, Benhar I, Peer D. Leukocyte-specific siRNA delivery revealing IRF8 as a potential anti-inflammatory target. J Control Release 2019; 313:33-41. [PMID: 31634546 DOI: 10.1016/j.jconrel.2019.10.001] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 10/03/2019] [Accepted: 10/04/2019] [Indexed: 12/27/2022]
Abstract
Interferon regulatory factor 8 (IRF8) protein plays a critical role in the differentiation, polarization, and activation of mononuclear phagocytic cells. In light of previous studies, we explored the therapeutic potential of IRF8 inhibition as immunomodulatory therapy for inflammatory bowel disease (IBD). To this end, we utilized siRNA-loaded lipid-based nanoparticles (siLNPs) and demonstrated a ∼90% reduction of IRF8 mRNA levels in vitro (PV < 0.0001), alongside a notable reduction in IRF8 protein. Moreover, silencing IRF8 ex vivo in splenocytes lead to a profound downregulation of IRF8 protein, followed by an immunomodulatory effect, as represented by a decrease in the secretion of TNFα, IL6 and IL12/IL23 (IL12p40) proinflammatory cytokines (PV = 0.0045, 0.0330, <0.0001, respectively). In order to silence IRF8 in vivo, selectively in inflammatory leukocytes, we used siLNPs that were coated with anti-Ly6C antibodies via our recently published ASSET targeting approach. Through this strategy, we have demonstrated a selective binding of the targeted-LNPs (T-LNPs) to Ly6C + inflammatory leukocytes. Finally, an immunomodulatory effect was demonstrated in vivo in an IBD mouse model with a profound decrease of TNFα, IL6, IL12/IL23, and IL1β pro-inflammatory cytokines (n = 5, PV < 0.0001, <0.0001, <0.0001, 0.02, respectively) and an improvement of colon-morphology as assessed by colon-length measurements and colonoscopy (PV < 0.0001). Overall, using antibody-targeted siLNPs, we showed a notable reduction of IRF8 mRNA and protein and demonstrated a targeted immunomodulation therapeutic effect ex vivo and in vivo, in the DSS colitis model. We claim that a selective silencing of IRF8 in inflammatory leukocytes (such as Ly6C+) may serve as a therapeutic approach for treating inflammatory disorders.
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Affiliation(s)
- Nuphar Veiga
- Laboratory of Precision NanoMedicine, Tel Aviv, 69978, Israel; School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv, 69978, Israel; Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv, 69978, Israel; Center for Nanoscience and Nanotechnology, Tel Aviv, 69978, Israel; Cancer Biology Research Center, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Meir Goldsmith
- Laboratory of Precision NanoMedicine, Tel Aviv, 69978, Israel; School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv, 69978, Israel; Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv, 69978, Israel; Center for Nanoscience and Nanotechnology, Tel Aviv, 69978, Israel; Cancer Biology Research Center, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Yael Diesendruck
- School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv, 69978, Israel
| | - Srinivas Ramishetti
- Laboratory of Precision NanoMedicine, Tel Aviv, 69978, Israel; School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv, 69978, Israel; Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv, 69978, Israel; Center for Nanoscience and Nanotechnology, Tel Aviv, 69978, Israel; Cancer Biology Research Center, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Daniel Rosenblum
- Laboratory of Precision NanoMedicine, Tel Aviv, 69978, Israel; School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv, 69978, Israel; Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv, 69978, Israel; Center for Nanoscience and Nanotechnology, Tel Aviv, 69978, Israel; Cancer Biology Research Center, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Eran Elinav
- Immunology Department, Weizmann Institute of Science, Rehovot, Israel
| | - Mark A Behlke
- Integrated DNA Technologies, Inc., Coralville, IA, 52241, USA
| | - Itai Benhar
- School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv, 69978, Israel
| | - Dan Peer
- Laboratory of Precision NanoMedicine, Tel Aviv, 69978, Israel; School of Molecular Cell Biology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv, 69978, Israel; Department of Materials Sciences and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv, 69978, Israel; Center for Nanoscience and Nanotechnology, Tel Aviv, 69978, Israel; Cancer Biology Research Center, Tel Aviv University, Tel Aviv, 69978, Israel.
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Hwang S, Jo M, Hong JE, Park CO, Lee CG, Yun M, Rhee KJ. Zerumbone Suppresses Enterotoxigenic Bacteroides fragilis Infection-Induced Colonic Inflammation through Inhibition of NF-κΒ. Int J Mol Sci 2019; 20:ijms20184560. [PMID: 31540059 PMCID: PMC6770904 DOI: 10.3390/ijms20184560] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 09/08/2019] [Accepted: 09/10/2019] [Indexed: 02/06/2023] Open
Abstract
Enterotoxigenic Bacteroides fragilis (ETBF) is human intestinal commensal bacterium and a potent initiator of colitis through secretion of the metalloprotease Bacteroides fragilis toxin (BFT). BFT induces cleavage of E-cadherin in colon cells, which subsequently leads to NF-κB activation. Zerumbone is a key component of the Zingiber zerumbet (L.) Smith plant and can exhibit anti-bacterial and anti-inflammatory effects. However, whether zerumbone has anti-inflammatory effects in ETBF-induced colitis remains unknown. The aim of this study was to determine the anti-inflammatory effect of orally administered zerumbone in a murine model of ETBF infection. Wild-type C57BL/6 mice were infected with ETBF and orally administered zerumbone (30 or 60 mg/kg) once a day for 7 days. Treatment of ETBF-infected mice with zerumbone prevented weight loss and splenomegaly and reduced colonic inflammation with decreased macrophage infiltration. Zerumbone treatment significantly decreased expression of IL-17A, TNF-α, KC, and inducible nitric oxide synthase (iNOS) in colonic tissues of ETBF-infected mice. In addition, serum levels of KC and nitrite was also diminished. Zerumbone-treated ETBF-infected mice also showed decreased NF-κB signaling in the colon. HT29/C1 colonic epithelial cells treated with zerumbone suppressed BFT-induced NF-κB signaling and IL-8 secretion. However, BFT-mediated E-cadherin cleavage was unaffected. Furthermore, zerumbone did not affect ETBF colonization in mice. In conclusion, zerumbone decreased ETBF-induced colitis through inhibition of NF-κB signaling.
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Affiliation(s)
- Soonjae Hwang
- Department of Biomedical Laboratory Science, College of Health Sciences, Yonsei University at Wonju, Wonju, Gangwon-do 26493, Korea.
- Cell Therapy and Tissue Engineering Center, Yonsei University Wonju College of Medicine, Wonju, Gangwon-do 26426, Korea.
| | - Minjeong Jo
- Department of Biomedical Laboratory Science, College of Health Sciences, Yonsei University at Wonju, Wonju, Gangwon-do 26493, Korea.
| | - Ju Eun Hong
- Department of Biomedical Laboratory Science, College of Health Sciences, Yonsei University at Wonju, Wonju, Gangwon-do 26493, Korea.
| | - Chan Oh Park
- Department of Biomedical Laboratory Science, College of Health Sciences, Yonsei University at Wonju, Wonju, Gangwon-do 26493, Korea.
| | - Chang Gun Lee
- Department of Biomedical Laboratory Science, College of Health Sciences, Yonsei University at Wonju, Wonju, Gangwon-do 26493, Korea.
| | - Miyong Yun
- Department of Bioindustry and Bioresource Engineering, College of Life Sciences, Sejong University, Seoul 05006, Korea.
| | - Ki-Jong Rhee
- Department of Biomedical Laboratory Science, College of Health Sciences, Yonsei University at Wonju, Wonju, Gangwon-do 26493, Korea.
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Markota A, Metzger R, Heiseke AF, Jandl L, Dursun E, Eisenächer K, Reindl W, Haller D, Krug AB. Comparison of iron-reduced and iron-supplemented semisynthetic diets in T cell transfer colitis. PLoS One 2019; 14:e0218332. [PMID: 31276514 PMCID: PMC6611680 DOI: 10.1371/journal.pone.0218332] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 05/30/2019] [Indexed: 12/18/2022] Open
Abstract
Clinical observations in inflammatory bowel disease patients and experimental studies in rodents suggest that iron in the intestinal lumen derived from iron-rich food or oral iron supplementation could exacerbate inflammation and that iron depletion from the diet could be protective. To test the hypothesis that dietary iron reduction is protective against colitis development, the impact of iron reduction in the diet below 10 mg/kg on the course of CD4+ CD62L+ T cell transfer colitis was investigated in adult C57BL/6 mice. Weight loss as well as clinical and histological signs of inflammation were comparable between mice pretreated with semisynthetic diets with either < 10mg/kg iron content or supplemented with 180 mg/kg iron in the form of ferrous sulfate or hemin. Accumulation and activation of Ly6Chigh monocytes, changes in dendritic cell subset composition and induction of proinflammatory Th1/Th17 cells in the inflamed colon were not affected by the iron content of the diets. Thus, dietary iron reduction did not protect adult mice against severe intestinal inflammation in T cell transfer induced colitis.
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Affiliation(s)
- Anamarija Markota
- Institute for Immunology, Biomedical Center, Ludwig-Maximilians-University Munich, Martinsried, Germany
| | - Rebecca Metzger
- Institute for Immunology, Biomedical Center, Ludwig-Maximilians-University Munich, Martinsried, Germany
| | - Alexander F. Heiseke
- Institute for Immunology, Biomedical Center, Ludwig-Maximilians-University Munich, Martinsried, Germany
| | - Lisa Jandl
- Institute for Immunology, Biomedical Center, Ludwig-Maximilians-University Munich, Martinsried, Germany
| | - Ezgi Dursun
- Institute for Immunology, Biomedical Center, Ludwig-Maximilians-University Munich, Martinsried, Germany
| | - Katharina Eisenächer
- Institute for Immunology, Biomedical Center, Ludwig-Maximilians-University Munich, Martinsried, Germany
| | - Wolfgang Reindl
- Klinikum Mannheim, II. Medizinische Klinik, Mannheim, Germany
| | - Dirk Haller
- Chair for Nutrition and Immunology, Technical University Munich, Freising, Germany
| | - Anne B. Krug
- Institute for Immunology, Biomedical Center, Ludwig-Maximilians-University Munich, Martinsried, Germany
- * E-mail:
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Dotan I, Allez M, Danese S, Keir M, Tole S, McBride J. The role of integrins in the pathogenesis of inflammatory bowel disease: Approved and investigational anti-integrin therapies. Med Res Rev 2019; 40:245-262. [PMID: 31215680 PMCID: PMC6973243 DOI: 10.1002/med.21601] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 04/12/2019] [Accepted: 05/13/2019] [Indexed: 12/12/2022]
Abstract
Inflammatory bowel disease (IBD) is characterized by uncontrolled inflammation in the gastrointestinal tract. The underlying pathobiology of IBD includes an increase in infiltrating gut-homing lymphocytes. Although lymphocyte homing is typically a tightly regulated and stepwise process involving multiple integrins and adhesion molecules expressed on endothelial cells, the distinct roles of integrin-expressing immune cells is not fully understood in the pathology of IBD. In this review, we detail the involvement of integrins expressed on specific lymphocyte subsets in the pathogenesis of IBD and discuss the current status of approved and investigational integrin-targeted therapies.
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Affiliation(s)
- Iris Dotan
- Division of Gastroenterology, Rabin Medical Center, Petah Tikva, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Matthieu Allez
- Department of Gastroenterology, Hôpital Saint-Louis, AP-HP, INSERM U1160, University Denis Diderot, Paris, France
| | - Silvio Danese
- Gastrointestinal Immunopathology Laboratory and IBD Unit, Humanitas Clinical and Research Center, Milan, Italy
| | - Mary Keir
- Department of Research and Early Development, Genentech, South San Francisco, California
| | - Swati Tole
- Department of Product Development, Genentech, South San Francisco, California
| | - Jacqueline McBride
- Department of Research and Early Development, Genentech, South San Francisco, California
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Chu A, Najafzadeh P, Sullivan P, Cone B, Elshimali R, Shakeri H, Janzen C, Mah V, Wadehra M. Aldehyde dehydrogenase isoforms and inflammatory cell populations are differentially expressed in term human placentas affected by intrauterine growth restriction. Placenta 2019; 81:9-17. [PMID: 31138432 PMCID: PMC6719708 DOI: 10.1016/j.placenta.2019.03.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 03/21/2019] [Accepted: 03/28/2019] [Indexed: 11/18/2022]
Abstract
OBJECTIVE Intrauterine growth restriction (IUGR) is a complication of pregnancy that has both short- and long-term sequelae for affected mothers and offspring. The pathophysiology of disease stems from poor nutrient and oxygen provision to the fetus, resulting in increased oxidative stress within the placenta. As the milieu within the local microenvironment alters macrophage differentiation, we hypothesized that macrophage plasticity may be altered in placentas associated with IUGR, and that macrophages would show hallmarks of lipid peroxidation including altered aldehyde metabolism. METHODS In human placentas taken from normal pregnancies resulting in appropriate-for-gestational-age (AGA) newborns and placentas associated with IUGR, placental macrophages were evaluated by immunohistochemistry and shown in IUGR to resemble pro-inflammatory activated M1-type macrophages. To link oxidative stress to macrophages, the expression of aldehyde dehydrogenase (ALDHs) isozymes ALDH1, ALDH2, and ALDH3 was assessed. RESULTS All three isozymes displayed preferential staining for distinct cellular populations within the term human placenta. ALDH1 and ALDH2 were strongly expressed in placental Hofbauer and decidual stromal cells. ALDH3, in contrast, was present in extravillous trophoblasts. Comparing AGA and IUGR-associated placentas, ALDH1 and ALDH2 trended to have greater expression in macrophage populations but lower expression in decidual cell populations in IUGR-associated placentas. ALDH3 had higher expression in IUGR-associated placentas but localized specifically to extravillous trophoblast populations. CONCLUSION Therefore, we speculate that specific ALDH isozymes have cell-specific functions related to differentiation, inflammation, or oxidative stress responses that are altered in IUGR-associated term human placentas. This family of isozymes may be a novel method to identify human placentas affected by placental insufficiency/IUGR.
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Affiliation(s)
- Alison Chu
- Department of Pediatrics, Division of Neonatology and Developmental Biology, David Geffen School of Medicine at UCLA, 10833 LeConte Avenue, Room B2-375 MDCC, Los Angeles, CA, 90095, USA.
| | - Parisa Najafzadeh
- Department of Pathology and Laboratory Medicine, 4525 MacDonald Research Laboratories, Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA.
| | - Peggy Sullivan
- Department of Pathology and Laboratory Medicine, 4525 MacDonald Research Laboratories, Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA.
| | - Brian Cone
- Department of Pathology and Laboratory Medicine, 4525 MacDonald Research Laboratories, Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA
| | - Ryan Elshimali
- Department of Pathology and Laboratory Medicine, 4525 MacDonald Research Laboratories, Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA.
| | - Hania Shakeri
- Department of Pathology and Laboratory Medicine, 4525 MacDonald Research Laboratories, Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA.
| | - Carla Janzen
- Department of Obstetrics and Gynecology, David Geffen School of Medicine at UCLA, 10833 Le Conte Avenue, Room 22-172, Los Angeles, CA, 90095, USA.
| | - Vei Mah
- Department of Pathology and Laboratory Medicine, 4525 MacDonald Research Laboratories, Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA.
| | - Madhuri Wadehra
- Department of Pathology and Laboratory Medicine, 4525 MacDonald Research Laboratories, Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, USA; Jonsson Comprehensive Cancer Center, David Geffen School of Medicine at UCLA, 8-684 Factor Building, Los Angeles, CA, 90095, USA; Center to Eliminate Cancer Health Disparities, Charles Drew University, 1731 East 120th Street, Los Angeles, CA, 90059, USA.
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Fernández-Tomé S, Hernández-Ledesma B, Chaparro M, Indiano-Romacho P, Bernardo D, Gisbert JP. Role of food proteins and bioactive peptides in inflammatory bowel disease. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2019.03.017] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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