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Wu S, Huang H, Sun R, Gao DS, Ye F, Huang J, Li E, Ni A, Lu KG, Chen K, Jiang J, Morel PA, Zhong Z, Lu B. Synergism Between IL21 and Anti-PD-1 Combination Therapy is Underpinned by the Coordinated Reprogramming of the Immune Cellular Network in the Tumor Microenvironment. CANCER RESEARCH COMMUNICATIONS 2023; 3:1460-1472. [PMID: 37546701 PMCID: PMC10402650 DOI: 10.1158/2767-9764.crc-23-0012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 05/17/2023] [Accepted: 07/07/2023] [Indexed: 08/08/2023]
Abstract
T cell-stimulating cytokines and immune checkpoint inhibitors (ICI) are an ideal combination for increasing response rates of cancer immunotherapy. However, the results of clinical trials have not been satisfying. It is important to understand the mechanism of synergy between these two therapeutic modalities. Here, through integrated analysis of multiple single-cell RNA sequencing (scRNA-seq) datasets of human tumor-infiltrating immune cells, we demonstrate that IL21 is produced by tumor-associated T follicular helper cells and hyperactivated/exhausted CXCL13+CD4+ T cells in the human tumor microenvironment (TME). In the mouse model, the hyperactivated/exhausted CD4+ T cell-derived IL21 enhances the helper function of CD4+ T cells that boost CD8+ T cell-mediated immune responses during PD-1 blockade immunotherapy. In addition, we demonstrated that IL21's antitumor activity did not require T-cell trafficking. Using scRNA-seq analysis of the whole tumor-infiltrating immune cells, we demonstrated that IL21 treatment in combination with anti-PD-1 blockade synergistically drives tumor antigen-specific CD8+ T cells to undergo clonal expansion and differentiate toward the hyperactive/exhausted functional state in the TME. In addition, IL21 treatment and anti-PD-1 blockade synergistically promote dendritic cell (DC) activation and maturation to mature DC as well as monocyte to type 1 macrophage (M1) differentiation in the TME. Furthermore, the combined treatment reprograms the immune cellular network by reshaping cell-cell communication in the TME. Our study establishes unique mechanisms of synergy between IL21 and PD-1-based ICI in the TME through the coordinated promotion of type 1 immune responses. Significance This study reveals how cytokine and checkpoint inhibitor therapy can be combined to increase the efficacy of cancer immunotherapy.
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Affiliation(s)
- Shaoxian Wu
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou, P.R. China
| | - Hao Huang
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou, P.R. China
| | - Runzi Sun
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - David Shihong Gao
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Fan Ye
- Anwita Biosciences Inc, San Carlos, California
| | | | - Ella Li
- Anwita Biosciences Inc, San Carlos, California
| | - Andrew Ni
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Kevin GuoKai Lu
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Kong Chen
- Pulmonary, Allergy and Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Jingting Jiang
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Changzhou, P.R. China
| | - Penelope A. Morel
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | | | - Binfeng Lu
- Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, New Jersey
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2
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Steele H, Cheng J, Willicut A, Dell G, Breckenridge J, Culberson E, Ghastine A, Tardif V, Herro R. TNF superfamily control of tissue remodeling and fibrosis. Front Immunol 2023; 14:1219907. [PMID: 37465675 PMCID: PMC10351606 DOI: 10.3389/fimmu.2023.1219907] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 06/13/2023] [Indexed: 07/20/2023] Open
Abstract
Fibrosis is the result of extracellular matrix protein deposition and remains a leading cause of death in USA. Despite major advances in recent years, there remains an unmet need to develop therapeutic options that can effectively degrade or reverse fibrosis. The tumor necrosis super family (TNFSF) members, previously studied for their roles in inflammation and cell death, now represent attractive therapeutic targets for fibrotic diseases. In this review, we will summarize select TNFSF and their involvement in fibrosis of the lungs, the heart, the skin, the gastrointestinal tract, the kidney, and the liver. We will emphasize their direct activity on epithelial cells, fibroblasts, and smooth muscle cells. We will further report on major clinical trials targeting these ligands. Whether in isolation or in combination with other anti-TNFSF member or treatment, targeting this superfamily remains key to improve efficacy and selectivity of currently available therapies for fibrosis.
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Affiliation(s)
- Hope Steele
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
- University of Cincinnati, Cincinnati, OH, United States
| | - Jason Cheng
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
| | - Ashley Willicut
- University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Garrison Dell
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
- University of Cincinnati, Cincinnati, OH, United States
| | - Joey Breckenridge
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
- University of Cincinnati, Cincinnati, OH, United States
| | - Erica Culberson
- University of Cincinnati College of Medicine, Cincinnati, OH, United States
| | - Andrew Ghastine
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
| | - Virginie Tardif
- Normandy University, UniRouen, Institut National de la Santé et de la Recherche Médicale (INSERM), UMR1096 (EnVI Laboratory), Rouen, France
| | - Rana Herro
- Division of Immunobiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, United States
- Department of Pediatrics, University of Cincinnati, Cincinnati, OH, United States
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3
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The BAFF-APRIL System in Cancer. Cancers (Basel) 2023; 15:cancers15061791. [PMID: 36980677 PMCID: PMC10046288 DOI: 10.3390/cancers15061791] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 03/13/2023] [Accepted: 03/13/2023] [Indexed: 03/17/2023] Open
Abstract
B cell-activating factor (BAFF; also known as CD257, TNFSF13B, BLyS) and a proliferation-inducing ligand (APRIL; also known as CD256, TNFSF13) belong to the tumor necrosis factor (TNF) family. BAFF was initially discovered as a B-cell survival factor, whereas APRIL was first identified as a protein highly expressed in various cancers. These discoveries were followed by over two decades of extensive research effort, which identified overlapping signaling cascades between BAFF and APRIL, controlling immune homeostasis in health and driving pathogenesis in autoimmunity and cancer, the latter being the focus of this review. High levels of BAFF, APRIL, and their receptors have been detected in different cancers and found to be associated with disease severity and treatment response. Here, we have summarized the role of the BAFF-APRIL system in immune cell differentiation and immune tolerance and detailed its pathogenic functions in hematological and solid cancers. We also highlight the emerging therapeutics targeting the BAFF-APRIL system in different cancer types.
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Jayaraman A, Srinivasan S, Uppuluri KB, Kar Mahapatra S. Unwinding the mechanism of macrophage repolarization potential of Oceanimonas sp. BPMS22-derived protein protease inhibitor through Toll-like receptor 4 against experimental visceral leishmaniasis. Front Cell Infect Microbiol 2023; 13:1120888. [PMID: 37033485 PMCID: PMC10073655 DOI: 10.3389/fcimb.2023.1120888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 03/06/2023] [Indexed: 04/11/2023] Open
Abstract
The Oceanimonas sp. BPMS22-derived protein protease inhibitor (PPI) has been proven to shift macrophages towards an inflammatory state and reduce Leishmania donovani infection in vitro and in vivo. The current study explored and validated the mechanistic aspects of the PPI and Toll-like receptor (TLR) interaction. The PPI exhibited the upregulation of TLR2, TLR4, and TLR6 during treatment which was proven to orchestrate parasite clearance effectively. An in silico study confirmed the high interaction with TLR4 and PPI. Immune blotting confirmed the significant upregulation of TLR4 in macrophages irrespective of L. donovani infection. Pharmacological inhibition and immune blot study confirmed the involvement of the PPI in TLR4-mediated phosphorylation of p38 MAPK and dephosphorylation of ERK1/2, repolarizing to pro-inflammatory macrophage state against experimental visceral leishmaniasis. In addition, in TLR4 knockdown condition, PPI treatment failed to diminish M2 phenotypical markers (CD68, Fizz1, Ym1, CD206, and MSR-2) and anti-inflammatory cytokines (IL-4, IL-10, and TGF-β). Simultaneously, the PPI failed to upregulate the M1 phenotypical markers and pro-inflammatory cytokines (IL-1β, IL-6, IL-12, and IFN-γ) (p < 0.001) during the TLR4 knockdown condition. In the absence of TLR4, the PPI also failed to reduce the parasite load and T-cell proliferation and impaired the delayed-type hypersensitivity response. The absence of pro-inflammatory cytokines was observed during a co-culture study with PPI-treated macrophages (in the TLR4 knockdown condition) with day 10 T-cell obtained from L. donovani-infected mice. This study supports the immunotherapeutic potential of the PPI as it interacted with TLR4 and promoted macrophage repolarization (M2-M1) to restrict the L. donovani parasite burden and helps in the mounting immune response against experimental visceral leishmaniasis.
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Affiliation(s)
- Adithyan Jayaraman
- Department of Biotechnology, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, India
| | - Sujatha Srinivasan
- Department of Biotechnology, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, India
| | - Kiran Babu Uppuluri
- Department of Biotechnology, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, India
- *Correspondence: Santanu Kar Mahapatra, ; Kiran Babu Uppuluri,
| | - Santanu Kar Mahapatra
- Department of Biotechnology, School of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur, India
- Department of Paramedical and Allied Health Sciences, Midnapore City College, Midnapore, India
- *Correspondence: Santanu Kar Mahapatra, ; Kiran Babu Uppuluri,
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Quah PS, Sutton V, Whitlock E, Figgett WA, Andrews DM, Fairfax KA, Mackay F. The effects of B-cell-activating factor on the population size, maturation and function of murine natural killer cells. Immunol Cell Biol 2022; 100:761-776. [PMID: 36106449 PMCID: PMC9828838 DOI: 10.1111/imcb.12585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 08/30/2022] [Accepted: 09/13/2022] [Indexed: 01/12/2023]
Abstract
The role of B-cell-activating factor (BAFF) in B-lymphocyte biology has been comprehensively studied, but its contributions to innate immunity remain unclear. Natural killer (NK) cells form the first line of defense against viruses and tumors, and have been shown to be defective in patients with systemic lupus erythematosus (SLE). The link between BAFF and NK cells in the development and progression of SLE remains unstudied. By assessing NK cell numbers in wild-type (WT), BAFF-/- (BAFF deficient), BAFF-R-/- (BAFF receptor deficient), TACI-/- (transmembrane activator and calcium modulator and cyclophilin ligand interactor deficient), BCMA-/- (B-cell maturation antigen deficient) and BAFF transgenic (Tg) mice, we observed that BAFF signaling through BAFF-R was essential for sustaining NK cell numbers in the spleen. However, according to the cell surface expression of CD27 and CD11b on NK cells, we found that BAFF was dispensable for NK cell maturation. Ex vivo and in vivo models showed that NK cells from BAFF-/- and BAFF Tg mice produced interferon-γ and killed tumor cells at a level similar to that in WT mice. Finally, we established that NK cells do not express receptors that interact with BAFF in the steady state or in the BAFF Tg mouse model of SLE. Our findings demonstrate that BAFF has an indirect effect on NK cell homeostasis and no effect on NK cell function.
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Affiliation(s)
- Pin Shie Quah
- Department of Immunology and PathologyCentral Clinical School, Monash UniversityMelbourneVICAustralia,Department of Microbiology and ImmunologyThe University of Melbourne, Peter Doherty Institute for Infection and ImmunityMelbourneVICAustralia
| | - Vivien Sutton
- Rosie Lew Cancer Immunology ProgramPeter MacCallum Cancer CentreMelbourneVICAustralia,Sir Peter MacCallum Department of OncologyThe University of MelbourneMelbourneVICAustralia
| | - Eden Whitlock
- Department of Microbiology and ImmunologyThe University of Melbourne, Peter Doherty Institute for Infection and ImmunityMelbourneVICAustralia,QIMR Berghofer Medical Research InstituteHerstonQLDAustralia
| | - William A Figgett
- Department of Immunology and PathologyCentral Clinical School, Monash UniversityMelbourneVICAustralia,Department of Microbiology and ImmunologyThe University of Melbourne, Peter Doherty Institute for Infection and ImmunityMelbourneVICAustralia,Garvan Institute of Medical ResearchDarlinghurstNSWAustralia
| | - Daniel M Andrews
- Department of Immunology and PathologyCentral Clinical School, Monash UniversityMelbourneVICAustralia,Bioproperties, RingwoodMelbourneVICAustralia
| | - Kirsten A Fairfax
- Blood Cells and Blood Cancer DivisionThe Walter and Eliza Hall Institute of Medical ResearchParkvilleVICAustralia,Menzies Institute for Medical ResearchUniversity of TasmaniaHobartTASAustralia,School of Medicine, College of Health and MedicineUniversity of TasmaniaHobartTASAustralia
| | - Fabienne Mackay
- Department of Immunology and PathologyCentral Clinical School, Monash UniversityMelbourneVICAustralia,Department of Microbiology and ImmunologyThe University of Melbourne, Peter Doherty Institute for Infection and ImmunityMelbourneVICAustralia,QIMR Berghofer Medical Research InstituteHerstonQLDAustralia,Faculty of MedicineThe University of QueenslandBrisbaneQLDAustralia
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6
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Zhang Y, Tian J, Xiao F, Zheng L, Zhu X, Wu L, Zhao C, Wang S, Rui K, Zou H, Lu L. B cell-activating factor and its targeted therapy in autoimmune diseases. Cytokine Growth Factor Rev 2021; 64:57-70. [DOI: 10.1016/j.cytogfr.2021.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 12/18/2022]
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7
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Vellozo NS, Rigoni TS, Lopes MF. New Therapeutic Tools to Shape Monocyte Functional Phenotypes in Leishmaniasis. Front Immunol 2021; 12:704429. [PMID: 34249011 PMCID: PMC8267810 DOI: 10.3389/fimmu.2021.704429] [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: 05/03/2021] [Accepted: 06/14/2021] [Indexed: 01/25/2023] Open
Abstract
In the innate immunity to Leishmania infection tissue-resident macrophages and inflammatory monocytes accumulate host-cell, effector, and efferocytosis functions. In addition, neutrophils, as host, effector, and apoptotic cells, as well as tissue-resident and monocyte-derived dendritic cells (DCs) imprint innate and adaptive immunity to Leishmania parasites. Macrophages develop phenotypes ranging from antimicrobial M1 to parasite-permissive M2, depending on mouse strain, Leishmania species, and T-cell cytokines. The Th1 (IFN-γ) and Th2 (IL-4) cytokines, which induce classically-activated (M1) or alternatively-activated (M2) macrophages, underlie resistance versus susceptibility to leishmaniasis. While macrophage phenotypes have been well discussed, new developments addressed the monocyte functional phenotypes in Leishmania infection. Here, we will emphasize the role of inflammatory monocytes to access how potential host-directed therapies for leishmaniasis, such as all-trans-retinoic acid (ATRA) and the ligand of Receptor Activator of Nuclear Factor-Kappa B (RANKL) might modulate immunity to Leishmania infection, by directly targeting monocytes to develop M1 or M2 phenotypes.
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Affiliation(s)
- Natália S Vellozo
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Thaís S Rigoni
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marcela F Lopes
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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8
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Davidson A. Renal Mononuclear Phagocytes in Lupus Nephritis. ACR Open Rheumatol 2021; 3:442-450. [PMID: 34060247 PMCID: PMC8280821 DOI: 10.1002/acr2.11269] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 04/29/2021] [Indexed: 01/16/2023] Open
Abstract
Renal mononuclear phagocytes are a highly pleiotropic group of immune cells of myeloid origin that play multiple protective and pathogenic roles in tissue homeostasis, inflammation, repair, and fibrosis. Infiltration of kidneys with these cells is a hallmark of lupus nephritis and is associated with more severe disease and with increased risk of progression to end‐stage renal disease. This review presents current knowledge of the diversity of these cells and their involvement in kidney inflammation and resolution and describes how they contribute to the chronic inflammation of lupus nephritis. A better understanding of the subset heterogeneity and diverse functions of mononuclear phagocytes in the lupus nephritis kidney should provide fertile ground for the development of new therapeutic approaches that promote the differentiation and survival of protective subsets while targeting pathogenic cell subsets that cause inflammation and fibrosis.
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Affiliation(s)
- Anne Davidson
- Feinstein Institutes for Medical Research, Manhasset, New York
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9
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Wang J, Yang C, Hou X, Xu J, Yun Y, Qin L, Yang P. Rapamycin Modulates the Proinflammatory Memory-Like Response of Microglia Induced by BAFF. Front Immunol 2021; 12:639049. [PMID: 34054807 PMCID: PMC8158300 DOI: 10.3389/fimmu.2021.639049] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 04/21/2021] [Indexed: 11/21/2022] Open
Abstract
Background Recently trained immunity of microglia provided an opportunity to study the chronic effect of microglial activation and its metabolic rewiring in neuroimmunological diseases. Since elevated levels of B cell-activating factor (BAFF) have been proved to be associated with some chronic neuroimmunological disorders. Here, we used the trained innate immunity model to analyze the effect of BAFF, a vital regulator of the adaptive immune system, on long-term microglial activation and metabolic reprogramming in vitro and in vivo. Methods and results In vitro, BV2 cells and mouse primary microglial cells were incubated with BAFF for 24 h (BAFF priming). After 5 days of resting, microglia were restimulated with LPS (LPS restimulation) or BAFF (BAFF restimulation). BAFF priming induced a pro-inflammatory trained immunity-phenotype of both BV2 cells and primary microglial cells, which was indicated by morphological change, secretion of pro-inflammatory cytokine and chemokine upon LPS restimulation or BAFF restimulation. The production of lactate and NAD+/NADH ratio were elevated 5 days after BAFF priming. The activation of the Akt/mTOR/HIF-1α pathway was induced by BAFF priming and lasted for 5 days. Pretreating the BV2 cells or mouse primary microglial cells with rapamycin blocked mTOR/HIF-1α activation and cellular metabolic reprogramming induced by BAFF training. Consistently, rapamycin efficiently suppressed the trained immunity-like responses of microglia triggered by BAFF. In vivo, adult male mice were treated with BAFF by intracerebroventricular injection for priming and 7 days later with BAFF for restimulation. BAFF training activated microglia in the cortex and hippocampus. The production of proinflammatory cytokines and chemokines was elevated after BAFF training. Conclusion Our current data, for the first time, demonstrate that BAFF priming induces a proinflammatory memory-like response of microglia not only to LPS but also to BAFF itself. Rapamycin inhibits microglial priming triggered by BAFF through targeting the mTOR/HIF-1α signaling pathway. Our data reveal a novel role of BAFF in trained immunity and that rapamycin may be a potential therapeutic target of neuroimmunological diseases.
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Affiliation(s)
- Jianing Wang
- Department of Rheumatology and Immunology, First Affiliated Hospital, China Medical University, Shenyang, China
| | - Chunshu Yang
- Department of 1st Cancer Institute, First Affiliated Hospital, China Medical University, Shenyang, China
| | - Xiaoyu Hou
- Department of Rheumatology and Immunology, First Affiliated Hospital, China Medical University, Shenyang, China
| | - Jingyi Xu
- Department of Rheumatology and Immunology, First Affiliated Hospital, China Medical University, Shenyang, China
| | - Yang Yun
- Department of Nephrology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Ling Qin
- Department of Physiology, College of Basic Medical Science, China Medical University, Shenyang, China
| | - Pingting Yang
- Department of Rheumatology and Immunology, First Affiliated Hospital, China Medical University, Shenyang, China
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Cascalho M, Platt JL. TNFRSF13B Diversification Fueled by B Cell Responses to Environmental Challenges-A Hypothesis. Front Immunol 2021; 12:634544. [PMID: 33679786 PMCID: PMC7925820 DOI: 10.3389/fimmu.2021.634544] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Accepted: 01/21/2021] [Indexed: 12/30/2022] Open
Abstract
B cell differentiation and memory are controlled by the transmembrane activator and CAML interactor (TACI), a receptor encoded by TNFRSF13B. TNFRSF13B mutations are frequently found in common variable immunodeficiency (CVID) and in IgA -deficiency; yet, ~98% of those with mutant TNFRSF13B are healthy. Indeed, TNFRSF13B is among the 5% most polymorphic genes in man. Other mammals evidence polymorphism at comparable loci. We hypothesize that TNFRSF13B diversity might promote rather than detract from well-being by controlling key elements of innate immunity. We shall discuss how extraordinary diversity of TNFRSF13B could have evolved and persisted across diverse species of mammals by controlling innate and adaptive B cell responses in apparently paradoxical ways.
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Affiliation(s)
- Marilia Cascalho
- Department of Surgery and Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI, United States
| | - Jeffrey L Platt
- Department of Surgery and Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI, United States
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Saidoune F, Even G, Lamri Y, Chezel J, Gaston AT, Escoubet B, Papo T, Charles N, Nicoletti A, Sacre K. Effects of BAFF Neutralization on Atherosclerosis Associated With Systemic Lupus Erythematosus. Arthritis Rheumatol 2020; 73:255-264. [PMID: 32783382 DOI: 10.1002/art.41485] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 08/06/2020] [Indexed: 01/29/2023]
Abstract
OBJECTIVE Cardiovascular disease (CVD) is the leading cause of death in systemic lupus erythematosus (SLE). B cells play a key role in the pathogenesis of lupus, and anti-BAFF therapy has been approved for use in SLE. Since mature B cells also promote atherosclerosis, we undertook this study to evaluate, in a mouse model and in SLE patients, whether BAFF neutralization has an atheroprotective effect in SLE. METHODS The effect of BAFF on atherosclerosis associated with lupus was investigated in the atherosclerosis/lupus-prone apolipoprotein E-knockout D227K mouse model and in a cohort of SLE patients. Mice were treated with a blocking anti-BAFF monoclonal antibody (mAb), while fed a standard chow diet. Carotid plaque and carotid intima-media thickness were assessed by ultrasound at baseline and during follow-up in SLE patients who were asymptomatic for CVD. RESULTS Anti-BAFF mAb in ApoE-/- D227K mice induced B cell depletion, efficiently treated lupus, and improved atherosclerosis lesions (21% decrease; P = 0.007) in mice with low plasma cholesterol levels but worsened the lesions (17% increase; P = 0.06) in mice with high cholesterol levels. The atheroprotective effect of the BAFF-BAFF receptor signaling inhibition on B cells was counterbalanced by the proatherogenic effect of the BAFF-TACI signaling inhibition on macrophages. In SLE patients, blood BAFF levels were associated with subclinical atherosclerosis (r = 0.26, P = 0.03). Anti-BAFF mAb treatment had a differential effect on the intima-media thickness progression in SLE patients depending on body mass index. CONCLUSION Depending on the balance between lipid-induced and B cell-induced proatherogenic conditions, anti-BAFF could be detrimental or beneficial, respectively, to atherosclerosis development in SLE.
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Affiliation(s)
- Fanny Saidoune
- Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS ERL8252, Laboratoire d'Excellence Inflamex, Université de Paris, Paris, France
| | - Guillaume Even
- Université de Paris, INSERM U1148, Laboratoire d'Excellence Inflamex, Paris, France
| | - Yasmine Lamri
- Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS ERL8252, Laboratoire d'Excellence Inflamex, Université de Paris, Paris, France
| | - Julie Chezel
- Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS ERL8252, Laboratoire d'Excellence Inflamex, Université de Paris, Hôpital Bichat-Claude-Bernard, AP-HP, Paris, France
| | - Anh-Thu Gaston
- Université de Paris, INSERM U1148, Laboratoire d'Excellence Inflamex, Paris, France
| | - Brigitte Escoubet
- Université de Paris, Hôpital Bichat-Claude-Bernard, AP-HP, Paris, France
| | - Thomas Papo
- Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS ERL8252, Laboratoire d'Excellence Inflamex, Université de Paris, Hôpital Bichat-Claude-Bernard, AP-HP, Paris, France
| | - Nicolas Charles
- Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS ERL8252, Laboratoire d'Excellence Inflamex, Université de Paris, Paris, France
| | - Antonino Nicoletti
- Université de Paris, INSERM U1148, Laboratoire d'Excellence Inflamex, Paris, France
| | - Karim Sacre
- Centre de Recherche sur l'Inflammation, INSERM UMR1149, CNRS ERL8252, Laboratoire d'Excellence Inflamex, Université de Paris, Hôpital Bichat-Claude-Bernard, AP-HP, Paris, France
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Tan AHM, Tso GHW, Zhang B, Teo PY, Ou X, Ng SW, Wong AXF, Tan SJX, Sanny A, Kim SSY, Lee AP, Xu S, Lam KP. TACI Constrains T H17 Pathogenicity and Protects against Gut Inflammation. iScience 2020; 23:101707. [PMID: 33205021 PMCID: PMC7653077 DOI: 10.1016/j.isci.2020.101707] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 05/20/2020] [Accepted: 10/07/2020] [Indexed: 11/24/2022] Open
Abstract
TACI (transmembrane activator and calcium modulator and cyclophilin ligand interactor) plays critical roles in B cells by promoting immunoglobulin class switching and plasma cell survival. However, its expression and function in T cells remain controversial. We show here that TACI expression can be strongly induced in murine CD4+ T cells in vitro by cytokines responsible for TH17 but not TH1 or TH2 differentiation. Frequencies and numbers of TH17 cells were elevated in TACI-/ - compared with wild-type mice as well as among TACI-/ - versus wild-type CD4+ T cells in mixed bone marrow chimeras, arguing for a T cell-intrinsic effect in the contribution of TACI deficiency to TH17 cell accumulation. TACI-/ - mice were more susceptible to severe colitis induced by dextran sodium sulfate or adoptive T cell transfer, suggesting that TACI negatively regulates TH17 function and limits intestinal inflammation in a cell-autonomous manner. Finally, transcriptomic and biochemical analyses revealed that TACI-/ - CD4+ T cells exhibited enhanced activation of TH17-promoting transcription factors NFAT, IRF4, c-MAF, and JUNB. Taken together, these findings reveal an important role of TACI in constraining TH17 pathogenicity and protecting against gut disease.
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Affiliation(s)
- Andy Hee-Meng Tan
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, 20 Biopolis Way, #06-01 Centros, Singapore 138668, Singapore
| | - Gloria Hoi Wan Tso
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, 20 Biopolis Way, #06-01 Centros, Singapore 138668, Singapore
| | - Biyan Zhang
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, 20 Biopolis Way, #06-01 Centros, Singapore 138668, Singapore
| | - Pei-Yun Teo
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, 20 Biopolis Way, #06-01 Centros, Singapore 138668, Singapore
| | - Xijun Ou
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, 20 Biopolis Way, #06-01 Centros, Singapore 138668, Singapore
| | - Sze-Wai Ng
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, 20 Biopolis Way, #06-01 Centros, Singapore 138668, Singapore
| | - Alex Xing Fah Wong
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, 20 Biopolis Way, #06-01 Centros, Singapore 138668, Singapore
| | - Sean Jing Xiang Tan
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, 20 Biopolis Way, #06-01 Centros, Singapore 138668, Singapore
| | - Arleen Sanny
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, 20 Biopolis Way, #06-01 Centros, Singapore 138668, Singapore
| | - Susana Soo-Yeon Kim
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, 20 Biopolis Way, #06-01 Centros, Singapore 138668, Singapore
| | - Alison P Lee
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, 20 Biopolis Way, #06-01 Centros, Singapore 138668, Singapore
| | - Shengli Xu
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, 20 Biopolis Way, #06-01 Centros, Singapore 138668, Singapore.,Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117599, Singapore
| | - Kong-Peng Lam
- Bioprocessing Technology Institute, Agency for Science, Technology and Research, 20 Biopolis Way, #06-01 Centros, Singapore 138668, Singapore.,Singapore Immunology Network, Agency for Science, Technology and Research, Singapore 138648, Singapore.,Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117599, Singapore.,Departments of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117599, Singapore.,Departments of Pediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117599, Singapore.,School of Biological Sciences, Nanyang Technological University, Singapore 639798, Singapore
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13
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Krayem I, Lipoldová M. Role of host genetics and cytokines in Leishmania infection. Cytokine 2020; 147:155244. [PMID: 33059974 DOI: 10.1016/j.cyto.2020.155244] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 07/20/2020] [Accepted: 08/08/2020] [Indexed: 12/29/2022]
Abstract
Cytokines and chemokines are important regulators of innate and specific responses in leishmaniasis, a disease that currently affects 12 million people. We overviewed the current information about influences of genetically engineered mouse models of cytokine and chemokine on leishmaniasis. We found that genetic background of the host, parasite species and sub-strain, as well as experimental design often modify effects of genetically engineered cytokine genes. Next we analyzed genes and QTLs (quantitative trait loci) that control response to Leishmania species in mouse in order to establish relationship between genetic control of cytokine expression and organ pathology. These studies revealed a network-like complexity of the combined effects of the multiple functionally diverse QTLs and their individual specificity. Genetic control of organ pathology and systemic immune response overlap only partially. Some QTLs control both organ pathology and systemic immune response, but the effects of genes and loci with the strongest impact on disease are cytokine-independent, whereas several loci modify cytokines levels in serum without influencing organ pathology. Understanding this genetic control might be important in development of vaccines designed to stimulate certain cytokine spectrum.
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Affiliation(s)
- Imtissal Krayem
- Laboratory of Molecular and Cellular Immunology, Institute of Molecular Genetics of the Czech Academy of Sciences, Vídeňská 1083, 14220 Prague, Czech Republic
| | - Marie Lipoldová
- Laboratory of Molecular and Cellular Immunology, Institute of Molecular Genetics of the Czech Academy of Sciences, Vídeňská 1083, 14220 Prague, Czech Republic; Department of Natural Sciences, Faculty of Biomedical Engineering, Czech Technical University in Prague, Sítná 3105, 272 01 Kladno, Czech Republic.
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14
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Grasset EK, Chorny A, Casas-Recasens S, Gutzeit C, Bongers G, Thomsen I, Chen L, He Z, Matthews DB, Oropallo MA, Veeramreddy P, Uzzan M, Mortha A, Carrillo J, Reis BS, Ramanujam M, Sintes J, Magri G, Maglione PJ, Cunningham-Rundles C, Bram RJ, Faith J, Mehandru S, Pabst O, Cerutti A. Gut T cell-independent IgA responses to commensal bacteria require engagement of the TACI receptor on B cells. Sci Immunol 2020; 5:eaat7117. [PMID: 32737068 PMCID: PMC8349226 DOI: 10.1126/sciimmunol.aat7117] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 07/09/2020] [Indexed: 12/29/2022]
Abstract
The gut mounts secretory immunoglobulin A (SIgA) responses to commensal bacteria through nonredundant T cell-dependent (TD) and T cell-independent (TI) pathways that promote the establishment of mutualistic host-microbiota interactions. SIgAs from the TD pathway target penetrant bacteria, and their induction requires engagement of CD40 on B cells by CD40 ligand on T follicular helper cells. In contrast, SIgAs from the TI pathway bind a larger spectrum of bacteria, but the mechanism underpinning their production remains elusive. Here, we show that the intestinal TI pathway required CD40-independent B cell-activating signals from TACI, a receptor for the innate CD40 ligand-like factors BAFF and APRIL. TACI-induced SIgA responses targeted a fraction of the gut microbiota without shaping its overall composition. Of note, TACI was dispensable for TD induction of IgA in gut-associated lymphoid organs. Thus, BAFF/APRIL signals acting on TACI orchestrate commensal bacteria-specific SIgA responses through an intestinal TI program.
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Affiliation(s)
- E K Grasset
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
- Department of Medicine, Center for Molecular Medicine, Karolinska Institutet, Karolinska University Hospital, SE-171 77 Stockholm, Sweden
| | - A Chorny
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - S Casas-Recasens
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - C Gutzeit
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | | | - I Thomsen
- Institute of Molecular Medicine, Aachen University, Aachen D-52074, Germany
| | - L Chen
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Z He
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - D B Matthews
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - M A Oropallo
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - P Veeramreddy
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - M Uzzan
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - A Mortha
- Department of Immunology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - J Carrillo
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- IrsiCaixa, Hospital Germans Trias i Pujol, Badalona 08916, Spain
| | - B S Reis
- Laboratory of Mucosal Immunology, The Rockefeller University, New York, NY 10065, USA
| | - M Ramanujam
- Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharmaceuticals, Ridgefield, CT 06877, USA
| | - J Sintes
- Program for Inflammatory and Cardiovascular Disorders, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona 08003, Spain
| | - G Magri
- Program for Inflammatory and Cardiovascular Disorders, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona 08003, Spain
| | - P J Maglione
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - C Cunningham-Rundles
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - R J Bram
- Departments of Pediatrics and Immunology, Mayo Clinic, Rochester, MN 55905, USA
| | - J Faith
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - S Mehandru
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - O Pabst
- Institute of Molecular Medicine, Aachen University, Aachen D-52074, Germany
| | - A Cerutti
- Department of Medicine, Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
- Program for Inflammatory and Cardiovascular Disorders, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona 08003, Spain
- Catalan Institute for Research and Advanced Studies (ICREA), Barcelona 08003, Spain
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15
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Kampa M, Notas G, Stathopoulos EN, Tsapis A, Castanas E. The TNFSF Members APRIL and BAFF and Their Receptors TACI, BCMA, and BAFFR in Oncology, With a Special Focus in Breast Cancer. Front Oncol 2020; 10:827. [PMID: 32612943 PMCID: PMC7308424 DOI: 10.3389/fonc.2020.00827] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 04/28/2020] [Indexed: 12/11/2022] Open
Abstract
Tumor necrosis factor (TNF) superfamily consists of 19 ligands and 29 receptors and is related to multiple cellular events from proliferation and differentiation to apoptosis and tumor reduction. In this review, we overview the whole system, and we focus on A proliferation-inducing ligand (APRIL, TNFSF13) and B cell-activating factor (BAFF, TNFSF13B) and their receptors transmembrane activator and Ca2+ modulator (CAML) interactor (TACI, TNFRSF13B), B cell maturation antigen (BCMA, TNFRSF17), and BAFF receptor (BAFFR, TNFRSF13C). We explore their role in cancer and novel biological therapies introduced for multiple myeloma and further focus on breast cancer, in which the modulation of this system seems to be of potential interest, as a novel therapeutic target. Finally, we discuss some precautions which should be taken into consideration, while targeting the APRIL–BAFF system.
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Affiliation(s)
- Marilena Kampa
- Laboratory of Experimental Endocrinology, School of Medicine, University of Crete, Heraklon, Greece
| | - George Notas
- Laboratory of Experimental Endocrinology, School of Medicine, University of Crete, Heraklon, Greece
| | | | - Andreas Tsapis
- Laboratory of Experimental Endocrinology, School of Medicine, University of Crete, Heraklon, Greece
| | - Elias Castanas
- Laboratory of Experimental Endocrinology, School of Medicine, University of Crete, Heraklon, Greece
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16
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Rigoni TS, Vellozo NS, Cabral-Piccin M, Fabiano-Coelho L, Lopes UG, Filardy AA, DosReis GA, Lopes MF. RANK Ligand Helps Immunity to Leishmania major by Skewing M2-Like Into M1 Macrophages. Front Immunol 2020; 11:886. [PMID: 32477357 PMCID: PMC7235166 DOI: 10.3389/fimmu.2020.00886] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 04/16/2020] [Indexed: 01/16/2023] Open
Abstract
Macrophages host Leishmania major infection, which causes cutaneous Leishmaniasis in humans. In the murine model, resistance to infection depends on the host immunity mediated by CD4 T-cell cytokines and macrophages. In association to other stimuli, the Th1 cytokine IFN-γ induces NO-mediated microbial killing by M1/classically-activated macrophages. By contrast, the Th2 cytokine IL-4 promotes M2/alternatively activated macrophages, which express arginase-1 and shelter infection. Other cytokines, such as RANKL, might also participate in the crosstalk between T cells and macrophages to restrict parasite infection. RANKL and its receptor RANK are known to play an essential role in bone remodeling, by inducing osteoclatogenesis. It has also been shown that RANKL stimulates antigen-presenting cells, such as DCs and macrophages, to enhance T cell responses. Here we investigated how RANKL directly modulates the effector macrophage phenotypes and immunity to L. major parasites. We found that inflammatory peritoneal macrophages from B6 mice express RANK and M2 features, such as CD301 (MGL) and CD206 (mannose receptor). Nonetheless, treatment with RANKL or IFN-γ induced macrophage differentiation into more mature F40/80hi macrophages able to produce IL-12 and TNF-α. In parallel, macrophages treated with RANKL, IFN-γ, or RANKL along with IFN-γ progressively downregulated the expression of the M2 hallmarks MGL, arginase-1, and CCL17. Moreover, a synergism between IFN-γ and RANKL enhanced inducible NO synthase (iNOS) expression and NO production by macrophages. These results are consistent with the idea that RANKL helps IFN-γ to induce a M2-like to M1 phenotype shift. Accordingly, concomitant treatment with RANKL and IFN-γ promoted macrophage-mediated immunity to L. major, by inducing NO and ROS-dependent parasite killing. Furthermore, by cooperating with IFN-γ, endogenous RANKL engages CD4 T-cell help toward L. major-infected macrophages to upregulate M1 and Th1 cytokine responses. Therefore, RANKL, in combination with IFN-γ, is a potential local therapeutic tool to improve immune responses in Leishmaniasis, by skewing M2-like into effector M1 macrophages.
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Affiliation(s)
- Thaís S Rigoni
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Natália S Vellozo
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mariela Cabral-Piccin
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Laryssa Fabiano-Coelho
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ulisses G Lopes
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alessandra A Filardy
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.,Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - George A DosReis
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.,Instituto Nacional para Pesquisa Translacional em Saúde e Ambiente na Região Amazônica, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Rio de Janeiro, Brazil
| | - Marcela F Lopes
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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17
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Borhis G, Trovato M, Ibrahim HM, Isnard S, Le Grand R, Bosquet N, Richard Y. Impact of BAFF Blockade on Inflammation, Germinal Center Reaction and Effector B-Cells During Acute SIV Infection. Front Immunol 2020; 11:252. [PMID: 32194549 PMCID: PMC7061218 DOI: 10.3389/fimmu.2020.00252] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 01/30/2020] [Indexed: 12/14/2022] Open
Abstract
Memory B-cell dysfunctions and inefficient antibody response suggest germinal center (GC) impairments during HIV/SIV infection with possible contribution of overproduced B-cell activating factor (BAFF). To address this question, we compared proportions and functions of various B-cell subsets and follicular helper T-cells (TFH) in untreated (Placebo) and BR3-Fc treated (Treated) SIV-infected macaques. From day 2 post-infection (dpi), Treated macaques received one weekly injection of BR3-Fc molecule, a soluble BAFF antagonist, for 4 weeks. Whereas, the kinetics of CD4+ T-cell loss and plasma viral loads were comparable in both groups, BAFF blockade delayed the peak of inflammatory cytokines (CXCL10, IFNα), impaired the renewal of plasmacytoid dendritic cells and fostered the decline of plasma CXCL13 titers after 14 dpi. In Treated macaques, proportions of total and naïve B-cells were reduced in blood and spleen whereas SIV-induced loss of marginal zone (MZ) B-cells was only accentuated in blood and terminal ileum. Proportions of spleen GC B-cells and TFH were similar in both groups, with CD8+ T-cells and rare Foxp3+ being present in spleen GC. Regardless of treatment, sorted TFH produced similar levels of IL21, CXCL13, and IFNγ but no IL2, IL4, or BAFF and exhibited similar capacities to support IgG production by autologous or heterologous B-cells. Consistently, most TFH were negative for BAFF-R and TACI. Higher proportions of resting and atypical (CD21lo) memory B-cells were present in Treated macaques compared to Placebo. In both groups, we found higher levels of BAFF-R expression on MZ and resting memory B-cells but low levels on atypical memory B-cells. TACI was present on 20-30% of MZ, resting and atypical memory B-cells in Placebo macaques. BAFF blockade decreased TACI expression on these B-cell subsets as well as titers of SIV-specific and vaccine-specific antibodies arguing for BAFF being mandatory for plasma cell survival. Irrespective of treatment, GC B-cells expressed BAFF-R at low level and were negative for TACI. In addition to key information on spleen BAFF-R and TACI expression, our data argue for BAFF contributing to the GC reaction in terminal ileum but being dispensable for the generation of atypical memory B-cells and GC reaction in spleen during T-dependent response against SIV.
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Affiliation(s)
- Gwenoline Borhis
- Université de Paris, Institut Cochin, INSERM, CNRS, Paris, France
| | - Maria Trovato
- Université de Paris, Institut Cochin, INSERM, CNRS, Paris, France
| | - Hany M Ibrahim
- Université de Paris, Institut Cochin, INSERM, CNRS, Paris, France
| | - Stephane Isnard
- Université de Paris, Institut Cochin, INSERM, CNRS, Paris, France
| | - Roger Le Grand
- CEA, Université Paris Sud, INSERM U1184, Immunology of Viral Infections and Autoimmune Diseases (IMVA), IDMIT Department/IBFJ, Fontenay-aux-Roses, France
| | - Nathalie Bosquet
- CEA, Université Paris Sud, INSERM U1184, Immunology of Viral Infections and Autoimmune Diseases (IMVA), IDMIT Department/IBFJ, Fontenay-aux-Roses, France
| | - Yolande Richard
- Université de Paris, Institut Cochin, INSERM, CNRS, Paris, France
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18
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Khan S, Chan YT, Revelo XS, Winer DA. The Immune Landscape of Visceral Adipose Tissue During Obesity and Aging. Front Endocrinol (Lausanne) 2020; 11:267. [PMID: 32499756 PMCID: PMC7243349 DOI: 10.3389/fendo.2020.00267] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 04/14/2020] [Indexed: 12/16/2022] Open
Abstract
Obesity and aging represent major health burdens to the global adult population. Both conditions promote the development of associated metabolic diseases such as insulin resistance. The visceral adipose tissue (VAT) is a site that becomes dysfunctional during obesity and aging, and plays a significant role during their pathophysiology. The changes in obese and aging VAT are now recognized to be partly driven by a chronic local inflammatory state, characterized by immune cells that typically adopt an inflammatory phenotype during metabolic disease. Here, we summarize the current knowledge on the immune cell landscape of the VAT during lean, obese, and aged conditions, highlighting their similarities and differences. We also briefly discuss possible linked mechanisms that fuel obesity- and age-associated VAT dysfunction.
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Affiliation(s)
- Saad Khan
- Department of Immunology, University of Toronto, Toronto, ON, Canada
- Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Hospital Research Institute (TGHRI), University Health Network, Toronto, ON, Canada
| | - Yi Tao Chan
- Department of Immunology, University of Toronto, Toronto, ON, Canada
- Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Hospital Research Institute (TGHRI), University Health Network, Toronto, ON, Canada
| | - Xavier S. Revelo
- Center for Immunology, University of Minnesota, Minneapolis, MN, United States
- Department of Integrative Biology and Physiology, University of Minnesota, Minneapolis, MN, United States
- *Correspondence: Xavier S. Revelo
| | - Daniel A. Winer
- Department of Immunology, University of Toronto, Toronto, ON, Canada
- Division of Cellular & Molecular Biology, Diabetes Research Group, Toronto General Hospital Research Institute (TGHRI), University Health Network, Toronto, ON, Canada
- Department of Pathology, University Health Network, Toronto, ON, Canada
- Buck Institute for Research on Aging, Novato, CA, United States
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
- Daniel A. Winer
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19
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Jackson SW, Davidson A. BAFF inhibition in SLE-Is tolerance restored? Immunol Rev 2019; 292:102-119. [PMID: 31562657 PMCID: PMC6935406 DOI: 10.1111/imr.12810] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 09/13/2019] [Indexed: 02/06/2023]
Abstract
The B cell activating factor (BAFF) inhibitor, belimumab, is the first biologic drug approved for the treatment of SLE, and exhibits modest, but durable, efficacy in decreasing disease flares and organ damage. BAFF and its homolog APRIL are TNF-like cytokines that support the survival and differentiation of B cells at distinct developmental stages. BAFF is a crucial survival factor for transitional and mature B cells that acts as rheostat for the maturation of low-affinity autoreactive cells. In addition, BAFF augments innate B cell responses via complex interactions with the B cell receptor (BCR) and Toll like receptor (TLR) pathways. In this manner, BAFF impacts autoreactive B cell activation via extrafollicular pathways and fine tunes affinity selection within germinal centers (GC). Finally, BAFF and APRIL support plasma cell survival, with differential impacts on IgM- and IgG-producing populations. Therapeutically, BAFF and combined BAFF/APRIL inhibition delays disease onset in diverse murine lupus strains, although responsiveness to BAFF inhibition is model dependent, in keeping with heterogeneity in clinical responses to belimumab treatment in humans. In this review, we discuss the mechanisms whereby BAFF/APRIL signals promote autoreactive B cell activation, discuss whether altered selection accounts for therapeutic benefits of BAFF inhibition, and address whether new insights into BAFF/APRIL family complexity can be exploited to improve human lupus treatments.
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Affiliation(s)
- Shaun W Jackson
- Seattle Children's Research Institute, Seattle, WA, USA
- Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, USA
| | - Anne Davidson
- Feinstein Institutes for Medical Research, Manhasset, NY, USA
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20
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Azuma N, Omachi S, Hanazawa W, Morimoto A, Sanjoba C, Matsumoto Y, Fujii W, Goto Y. Variable dependency on BAFF in IgG antibody production during Leishmania infection. Parasitol Int 2019; 74:101997. [PMID: 31626986 DOI: 10.1016/j.parint.2019.101997] [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: 04/26/2019] [Revised: 09/22/2019] [Accepted: 10/08/2019] [Indexed: 10/25/2022]
Abstract
B-cell activating factor (BAFF) is known as a cytokine responsible for survival and activation of B cells. However, involvement of the molecule in IgG antibody production during infection remains elusive. In this study, dependency of antibody production in Leishmania infection on BAFF was examined by using BAFF-knockout (BAFF-KO) mice. When BAFF-KO mice were infected with L. major, there was no significant difference in lesion development or parasite burden from those in infected wildtype mice. In contrast, levels of IgG antibodies to Leishmania crude antigen were lower in BAFF-KO mice, suggesting that antibody production during L. major infection is BAFF-dependent. ELISA using defined leishmanial antigens demonstrated that the influence of BAFF on antibody production during L. major varies depending on antigens; IgG production to tandem repeat proteins were more affected by BAFF than non-repeat antigens. On the contrary, all of the defined antigens tested were strongly affected by BAFF for IgG antibody production during L. donovani infection. These results suggest degree of BAFF contribution to antibody production during infection is variable depending on the type of infection and even on the type of antigen in a given infection. These results may explain contradictory roles of BAFF in antibody production in previous works.
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Affiliation(s)
- Natsuho Azuma
- Laboratory of Molecular Immunology, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Satoko Omachi
- Laboratory of Molecular Immunology, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Wakana Hanazawa
- Laboratory of Molecular Immunology, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Ayako Morimoto
- Laboratory of Molecular Immunology, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Chizu Sanjoba
- Laboratory of Molecular Immunology, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Yoshitsugu Matsumoto
- Laboratory of Molecular Immunology, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Wataru Fujii
- Laboratory of Applied Genetics, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Yasuyuki Goto
- Laboratory of Molecular Immunology, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan.
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21
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Chandrasekaran P, Izadjoo S, Stimely J, Palaniyandi S, Zhu X, Tafuri W, Mosser DM. Regulatory Macrophages Inhibit Alternative Macrophage Activation and Attenuate Pathology Associated with Fibrosis. THE JOURNAL OF IMMUNOLOGY 2019; 203:2130-2140. [PMID: 31541024 DOI: 10.4049/jimmunol.1900270] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Accepted: 08/14/2019] [Indexed: 12/24/2022]
Abstract
Diversity and plasticity are the hallmarks of macrophages. The two most well-defined macrophage subsets are the classically activated macrophages (CAMϕs) and the IL-4-derived alternatively activated macrophages (AAMϕs). Through a series of studies, we previously identified and characterized a distinct population of macrophages with immunoregulatory functions, collectively termed regulatory macrophages (RMϕs). Although considerable advances have been made in understanding these various macrophage subsets, it is not known whether macrophages of one activation state can influence the other. In this study, we examined whether RMϕs capable of inhibiting inflammatory responses of CAMϕs could also inhibit AAMϕs and their profibrotic responses. Our results demonstrated that RMϕs significantly dampened the alternate activation phenotype of AAMϕs generated in vitro and intrinsically occurring AAMϕs from TACI-/- macrophages. Further, RMϕs inhibited AAMϕ-promoted arginase activity and fibroblast proliferation in vitro. This inhibition occurred regardless of the strength, duration, and mode of alternative activation and was only partially dependent on IL-10. In the chlorhexidine gluconate-induced peritoneal fibrosis model, AAMϕs worsened the fibrosis, but RMϕs rescued mice from AAMϕ-mediated pathological conditions. Taken together, our study demonstrates that RMϕs are a specialized subset of macrophages with a nonredundant role in limiting overt proregenerative functions of AAMϕs, a role distinct from their well-defined role of suppression of inflammatory responses by CAMϕs.
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Affiliation(s)
- Prabha Chandrasekaran
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742.,Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20740
| | - Salman Izadjoo
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742.,Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20740
| | - Jessica Stimely
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742.,Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20740
| | - Senthilkumar Palaniyandi
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, MD 20470; and
| | - Xiaoping Zhu
- Virginia-Maryland Regional College of Veterinary Medicine, University of Maryland, College Park, MD 20470; and
| | - Wagner Tafuri
- Departamento de Patologia Geral, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil
| | - David M Mosser
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742; .,Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20740
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22
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Yang Z, Li H, Wang W, Zhang J, Jia S, Wang J, Wei J, Lei D, Hu K, Yang X. CCL2/CCR2 Axis Promotes the Progression of Salivary Adenoid Cystic Carcinoma via Recruiting and Reprogramming the Tumor-Associated Macrophages. Front Oncol 2019; 9:231. [PMID: 31024838 PMCID: PMC6465613 DOI: 10.3389/fonc.2019.00231] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Accepted: 03/14/2019] [Indexed: 12/14/2022] Open
Abstract
Objective: The present study investigated the roles and underlying mechanism of CCL2/CCR2 axis in the interactions between tumor cells and tumor-associated macrophages (TAMs) during the progression of salivary adenoid cystic carcinoma (SACC). Methods: Immunohistochemical staining and survival analysis were performed to study the correlation and clinical value of CD68, CD163, CCL2, and CCR2 expression in SACC cases. CCL2 silencing by RNA interference and CCR2 blocking by CCR2 specific antagonist (RS504393) were performed. ELISA, qRT-PCR, western blot, immunofluorescence, flow cytometry, CCK8, scratch wound healing, and transwell assays were used to explore the functional roles and possible mechanism of CCL2/CCR2 axis in the interactions between SACC cells and TAMs. The effects of targeting TAMs by blocking the CCL2/CCR2 axis were investigated in a xenograft mice model with SACC cells. Results: The high infiltration of TAMs marked by CD68 and high infiltration of M2 TAMs marked by CD163 were significantly correlated with the expression of CCL2 and CCR2 in SACC tissues. Notably, the high infiltration of TAMs and the overexpression of CCL2 were obviously associated with the clinical progression and poor prognosis of SACC. SACC cells derived CCL2 could activate its receptor CCR2 expression in TAMs in vitro. The in vitro results further indicated that the SACC cells derived CCL2 was involved in the recruitment, M2 polarization, and GDNF expression of TAMs through the CCL2/CCR2 axis. Meanwhile, TAMs derived GDNF promoted the proliferation, migration, and invasion of SACC cells through the GDNF/p-RET pathway. Treating immunodeficient mice with the CCR2 antagonist (RS504393) greatly inhibited the infiltration of TAMs and the tumorigenicity of SACC cells. Conclusion: These new findings indicated that the CCL2/CCR2 axis promoted the progression of SACC cells via recruiting and reprogramming TAMs. Targeting TAMs by blocking the CCL2/CCR2 axis might be a prospective strategy for SACC therapy.
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Affiliation(s)
- Zihui Yang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Huan Li
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Weiqi Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Jianying Zhang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Sen Jia
- Department of Oral and Maxillofacial Surgery, Xi'an Medical University, Xi'an, China
| | - Jun Wang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Jianhua Wei
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Delin Lei
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Kaijin Hu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China
| | - Xinjie Yang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, China
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23
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Tsiantoulas D, Sage AP, Göderle L, Ozsvar-Kozma M, Murphy D, Porsch F, Pasterkamp G, Menche J, Schneider P, Mallat Z, Binder CJ. B Cell-Activating Factor Neutralization Aggravates Atherosclerosis. Circulation 2018; 138:2263-2273. [PMID: 29858401 PMCID: PMC6181204 DOI: 10.1161/circulationaha.117.032790] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
BACKGROUND Atherosclerotic cardiovascular disease (heart attacks and strokes) is the major cause of death globally and is caused by the buildup of a plaque in the arterial wall. Genomic data showed that the B cell-activating factor (BAFF) receptor pathway, which is specifically essential for the survival of conventional B lymphocytes (B-2 cells), is a key driver of coronary heart disease. Deletion or antibody-mediated blockade of BAFF receptor ablates B-2 cells and decreases experimental atherosclerosis. Anti-BAFF immunotherapy is approved for treatment of autoimmune systemic lupus erythematosus, and can therefore be expected to limit their associated cardiovascular risk. However, direct effects of anti-BAFF immunotherapy on atherosclerosis remain unknown. METHODS To investigate the effect of BAFF neutralization in atherosclerosis, the authors treated Apoe-/- and Ldlr-/- mice with a well-characterized blocking anti-BAFF antibody. Moreover, to investigate the mechanism by which BAFF impacts atherosclerosis, the authors studied atherosclerosis-prone mice that lack the alternative receptor for BAFF: transmembrane activator and calcium modulator and cyclophilin ligand interactor. RESULTS The authors demonstrate here that anti-BAFF antibody treatment increased atherosclerosis in mice, despite efficient depletion of mature B-2 cells, suggesting a unique mechanism of action. Indeed, myeloid cell-specific deletion of transmembrane activator and calcium modulator and cyclophilin ligand interactor also results in increased atherosclerosis, while B cell-specific transmembrane activator and calcium modulator and cyclophilin ligand interactor deletion had no effect. Mechanistically, BAFF-transmembrane activator and calcium modulator and cyclophilin ligand interactor signaling represses macrophage IRF7-dependent (but not NF-κB-dependent) Toll-like receptor 9 responses including proatherogenic CXCL10 production. CONCLUSIONS These data identify a novel B cell-independent anti-inflammatory role for BAFF in atherosclerosis and may have important clinical implications.
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Affiliation(s)
- Dimitrios Tsiantoulas
- Department of Laboratory Medicine, Medical University of Vienna (D.T., L.G., M.O.-K., F.P., C.J.B.),CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences (D.T., L.G., M.O.-K., F.P., J.M., C.J.B.)
| | - Andrew P. Sage
- Division of Cardiovascular Medicine, University of Cambridge, UK (A.P.S., D.M., Z.M.)
| | - Laura Göderle
- Department of Laboratory Medicine, Medical University of Vienna (D.T., L.G., M.O.-K., F.P., C.J.B.),CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences (D.T., L.G., M.O.-K., F.P., J.M., C.J.B.)
| | - Maria Ozsvar-Kozma
- Department of Laboratory Medicine, Medical University of Vienna (D.T., L.G., M.O.-K., F.P., C.J.B.),CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences (D.T., L.G., M.O.-K., F.P., J.M., C.J.B.)
| | - Deirdre Murphy
- Division of Cardiovascular Medicine, University of Cambridge, UK (A.P.S., D.M., Z.M.)
| | - Florentina Porsch
- Department of Laboratory Medicine, Medical University of Vienna (D.T., L.G., M.O.-K., F.P., C.J.B.),CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences (D.T., L.G., M.O.-K., F.P., J.M., C.J.B.)
| | | | - Jörg Menche
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences (D.T., L.G., M.O.-K., F.P., J.M., C.J.B.)
| | - Pascal Schneider
- Department of Biochemistry, University of Lausanne, Epalinges, Switzerland (P.S.)
| | - Ziad Mallat
- Division of Cardiovascular Medicine, University of Cambridge, UK (A.P.S., D.M., Z.M.).,Institut National de la Santé et de la Recherche Médicale, Paris Cardiovascular Research Center (PARCC), Paris, France (Z.M.)
| | - Christoph J. Binder
- Department of Laboratory Medicine, Medical University of Vienna (D.T., L.G., M.O.-K., F.P., C.J.B.),CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences (D.T., L.G., M.O.-K., F.P., J.M., C.J.B.)
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24
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Parra M, Yang J, Weitner M, Derrick S, Yang A, Schmidt T, Singh B, Moreno A, Akkoyunlu M. TACI Contributes to Plasmodium yoelii Host Resistance by Controlling T Follicular Helper Cell Response and Germinal Center Formation. Front Immunol 2018; 9:2612. [PMID: 30473702 PMCID: PMC6237915 DOI: 10.3389/fimmu.2018.02612] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 10/23/2018] [Indexed: 01/22/2023] Open
Abstract
The delay in parasite-specific B cell development leaves people in malaria endemic areas vulnerable to repeated Plasmodium infections. Here, we investigated the role of transmembrane activator and calcium-modulator and cyclophilin ligand interactor (TACI), a molecule involved in the generation of antigen-specific antibody secreting cells, in host response to non-lethal Plasmodium yoelii infection. We found that TACI deficiency not only resulted in higher peak parasitemia levels in P. yoelii challenged mice, but also led to a delay in parasite clearance and anti-P. yoelii Merozoite Surface Protein 1(C-terminal 19-kDa fragment [rMSP-119]) protein and anti-rMSP-119 and anti-P. yoelii IgG antibody development. There was also a delay in the generation of splenic high affinity antibody secreting cells that recognize rMSP-119 protein as compared to wild-type mice. Interestingly, coinciding with the delay in parasite clearance there was a delay in the resolution of T follicular helper (TFH) cell and germinal center (GC) B cell responses in TACI -/- mice. The persistence of TFH and GC B cells is likely a result of enhanced interaction between TFH and GC B cells because inducible costimulator ligand (ICOSL) expression was significantly higher on TACI -/- GC B cells than wild-type cells. The difference in the kinetics of GC reaction appeared to also impact the emergence of plasma cells (PC) because there was a delay in the generation of TACI -/- mice PC. Nevertheless, following the recovery from P. yoelii infection, TACI -/- and wild-type mice were both protected from a rechallenge infection. Establishment of protective B cell response was responsible for the resolution of parasitemia because B cells purified from recovered TACI -/- or wild-type mice were equally protective when introduced to naïve wild-type mice prior to P. yoelii challenge. Thus, despite the increased susceptibility of TACI -/- mice to P. yoelii infection and a delay in the development of protective antibody levels, TACI -/- mice are able to clear the infection and resist rechallenge infection.
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Affiliation(s)
- Marcela Parra
- US Food and Drug Administration, Division of Bacterial Allergenic and Parasitic Diseases, Center for Biologics Evaluation and Research, Silver Spring, MD, United States
| | - Jiyeon Yang
- US Food and Drug Administration, Division of Bacterial Allergenic and Parasitic Diseases, Center for Biologics Evaluation and Research, Silver Spring, MD, United States
| | - Megan Weitner
- US Food and Drug Administration, Division of Bacterial Allergenic and Parasitic Diseases, Center for Biologics Evaluation and Research, Silver Spring, MD, United States
| | - Steven Derrick
- US Food and Drug Administration, Division of Bacterial Allergenic and Parasitic Diseases, Center for Biologics Evaluation and Research, Silver Spring, MD, United States
| | - Amy Yang
- US Food and Drug Administration, Division of Bacterial Allergenic and Parasitic Diseases, Center for Biologics Evaluation and Research, Silver Spring, MD, United States
| | - Thomas Schmidt
- US Food and Drug Administration, Division of Bacterial Allergenic and Parasitic Diseases, Center for Biologics Evaluation and Research, Silver Spring, MD, United States
| | - Balwan Singh
- Emory Vaccine Center, Yerkes National Primate Research Center, Emory University, Atlanta, GA, United States
| | - Alberto Moreno
- Emory Vaccine Center, Yerkes National Primate Research Center, Emory University, Atlanta, GA, United States.,Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, GA, United States
| | - Mustafa Akkoyunlu
- US Food and Drug Administration, Division of Bacterial Allergenic and Parasitic Diseases, Center for Biologics Evaluation and Research, Silver Spring, MD, United States
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26
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Tomiotto-Pellissier F, Bortoleti BTDS, Assolini JP, Gonçalves MD, Carloto ACM, Miranda-Sapla MM, Conchon-Costa I, Bordignon J, Pavanelli WR. Macrophage Polarization in Leishmaniasis: Broadening Horizons. Front Immunol 2018; 9:2529. [PMID: 30429856 PMCID: PMC6220043 DOI: 10.3389/fimmu.2018.02529] [Citation(s) in RCA: 116] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 10/15/2018] [Indexed: 01/14/2023] Open
Abstract
Leishmaniasis is a vector-borne neglected tropical disease that affects more than 700,000 people annually. Leishmania parasites cause the disease, and different species trigger a distinct immune response and clinical manifestations. Macrophages are the final host cells for the proliferation of Leishmania parasites, and these cells are the key to a controlled or exacerbated response that culminates in clinical manifestations. M1 and M2 are the two main macrophage phenotypes. M1 is a pro-inflammatory subtype with microbicidal properties, and M2, or alternatively activated, is an anti-inflammatory/regulatory subtype that is related to inflammation resolution and tissue repair. The present review elucidates the roles of M1 and M2 polarization in leishmaniasis and highlights the role of the salivary components of the vector and the action of the parasite in the macrophage plasticity.
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Affiliation(s)
- Fernanda Tomiotto-Pellissier
- Biosciences and Biotechnology Postgraduate Program, Carlos Chagas Institute (ICC), Fiocruz, Curitiba, Brazil.,Laboratory of Immunoparasitology, Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
| | - Bruna Taciane da Silva Bortoleti
- Biosciences and Biotechnology Postgraduate Program, Carlos Chagas Institute (ICC), Fiocruz, Curitiba, Brazil.,Laboratory of Immunoparasitology, Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
| | - João Paulo Assolini
- Laboratory of Immunoparasitology, Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
| | - Manoela Daiele Gonçalves
- Laboratory of Biotransformation and Phytochemistry, Department of Chemistry, State University of Londrina, Universitary Hospital, Londrina, Brazil
| | | | | | - Ivete Conchon-Costa
- Laboratory of Immunoparasitology, Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
| | - Juliano Bordignon
- Biosciences and Biotechnology Postgraduate Program, Carlos Chagas Institute (ICC), Fiocruz, Curitiba, Brazil.,Laboratory of Molecular Virology, Carlos Chagas Institute (ICC), Fiocruz, Curitiba, Brazil
| | - Wander Rogério Pavanelli
- Biosciences and Biotechnology Postgraduate Program, Carlos Chagas Institute (ICC), Fiocruz, Curitiba, Brazil.,Laboratory of Immunoparasitology, Department of Pathological Sciences, State University of Londrina, Londrina, Brazil
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27
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Liu L, Inouye KE, Allman WR, Coleman AS, Siddiqui S, Hotamisligil GS, Akkoyunlu M. TACI-Deficient Macrophages Protect Mice Against Metaflammation and Obesity-Induced Dysregulation of Glucose Homeostasis. Diabetes 2018; 67:1589-1603. [PMID: 29871859 PMCID: PMC6054430 DOI: 10.2337/db17-1089] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Accepted: 05/16/2018] [Indexed: 02/07/2023]
Abstract
Transmembrane activator and calcium modulator and cyclophilin ligand interactor (TACI) is a receptor for the TNF superfamily cytokines, B cell-activating factor (BAFF), and A proliferation-inducing ligand (APRIL). Here, we demonstrate that TACI-deficient mice subjected to high-fat diet (HFD) are protected from weight gain and dysregulated glucose homeostasis. Resistance to HFD-induced metabolic changes in TACI-deficient mice does not involve TACI-mediated adipogenesis. Instead, accumulation of M2 macrophages (Mϕs), eosinophils, and type 2 innate lymphoid cells in visceral adipose tissue (VAT) is implicated in the protection from obesity-induced assaults. In support of this hypothesis, adoptively transferred TACI-deficient peritoneal or adipose tissue Mϕs, but not B cells, can improve glucose metabolism in the obese host. Interestingly, the transferred TACI-deficient Mϕs not only home to host VAT but also trigger the accumulation of host M2 Mϕs and eosinophils in VAT. The increase in host M2 Mϕs in VAT is likely a result of eosinophil recruitment in response to eotaxin-2 produced by TACI-deficient Mϕs. Insulin signaling experiments revealed that IL-10 secreted by TACI-deficient Mϕs is responsible for maintaining adipocyte insulin sensitivity. Thus, the adoptive transfer experiments offer a model where TACI-deficient Mϕs accumulate in VAT and protect against metaflammation and obesity-associated dysregulation of glucose metabolism.
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Affiliation(s)
- Lunhua Liu
- Laboratory of Bacterial Polysaccharides, Division of Bacterial Parasitic and Allergenic Products, U.S. Food and Drug Administration, Silver Spring, MD
| | - Karen Etsuko Inouye
- Department of Genetics and Complex Diseases and Sabri Ülker Center, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Windy Rose Allman
- Laboratory of Bacterial Polysaccharides, Division of Bacterial Parasitic and Allergenic Products, U.S. Food and Drug Administration, Silver Spring, MD
| | - Adam Steven Coleman
- Laboratory of Bacterial Polysaccharides, Division of Bacterial Parasitic and Allergenic Products, U.S. Food and Drug Administration, Silver Spring, MD
| | - Shafiuddin Siddiqui
- Laboratory of Bacterial Polysaccharides, Division of Bacterial Parasitic and Allergenic Products, U.S. Food and Drug Administration, Silver Spring, MD
| | - Gökhan Siddik Hotamisligil
- Department of Genetics and Complex Diseases and Sabri Ülker Center, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Mustafa Akkoyunlu
- Laboratory of Bacterial Polysaccharides, Division of Bacterial Parasitic and Allergenic Products, U.S. Food and Drug Administration, Silver Spring, MD
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28
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Sharma N, Akkoyunlu M, Rabin RL. Macrophages-common culprit in obesity and asthma. Allergy 2018; 73:1196-1205. [PMID: 29178573 DOI: 10.1111/all.13369] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/21/2017] [Indexed: 12/29/2022]
Abstract
Macrophages are essential innate immune cells that also regulate local metabolism. Endogenous or exogenous stimuli may polarize macrophages toward phenotypes that serve distinct innate immunological metabolic functions. IFN-γ or lipopolysaccharide (LPS) polarizes macrophages toward the M1, or "classically activated" phenotype that participates in defense against intracellular pathogens. IL-4, IL-13, or chitin polarizes macrophages toward the M2, or "alternatively activated" phenotype, which defends against multicellular nematodes and fungi. As macrophages polarize in local environments, M1 and M2 macrophages may coexist in different organs and may differentially affect asthma and obesity, two comorbid diseases where polarized macrophages contribute to their pathogenesis. While M1 macrophages are considered beneficial in asthma and contribute to the pathology of obesity, M2 macrophages contribute to the pathology of asthma, but limit metabolic syndrome associated with obesity. Here, we discuss the roles for M1 and M2 macrophages in asthma and obesity, and propose a model by which M1-mediated inflammation in adipose tissue enhances M2-mediated inflammation in the asthmatic lung.
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Affiliation(s)
- N. Sharma
- Division of Bacterial, Parasitic and Allergenic Products Center for Biologics Evaluation and Research Office of Vaccines Research and Review U.S. Food and Drug Administration Silver Spring MD USA
| | - M. Akkoyunlu
- Division of Bacterial, Parasitic and Allergenic Products Center for Biologics Evaluation and Research Office of Vaccines Research and Review U.S. Food and Drug Administration Silver Spring MD USA
| | - R. L. Rabin
- Division of Bacterial, Parasitic and Allergenic Products Center for Biologics Evaluation and Research Office of Vaccines Research and Review U.S. Food and Drug Administration Silver Spring MD USA
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29
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Shi Y, Zhang Z, Qu X, Zhu X, Zhao L, Wei R, Guo Q, Sun L, Yin X, Zhang Y, Li X. Roles of STAT3 in leukemia (Review). Int J Oncol 2018; 53:7-20. [PMID: 29749432 DOI: 10.3892/ijo.2018.4386] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 04/24/2018] [Indexed: 11/06/2022] Open
Abstract
Leukemia is a type of hematopoietic malignancy, and the incidence rate in the United States and European Union increases by an average of 0.6 to 0.7% annually. The incidence rate in China is approximately 5.17/100,000 individuals, and the mortality rate is 3.94/100,000 individuals. Leukemia is the most common tumor affecting children and adults under 35 years of age, and is one of the major diseases leading to the death of adolescents. Signal transducer and activator of transcription 3 (STAT3) is a vital regulatory factor of signal transduction and transcriptional activation, and once activated, the phosphorylated form of STAT3 (p-STAT3) is transferred into the nucleus to regulate the transcription of target genes, and plays important roles in cell proliferation, differentiation, apoptosis and other physiological processes. An increasing number of studies have confirmed that the abnormal activation of STAT3 is involved in the development of tumors. In this review, the roles of STAT3 in the pathogenesis, diagnosis, treatment and prognosis of leukemia are discussed in the aspects of cell proliferation, differentiation and apoptosis, with the aim to further clarify the roles of STAT3 in leukemia, and shed light into possible novel targets and strategies for clinical diagnosis and treatment.
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Affiliation(s)
- Yin Shi
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan, Shandong 250062, P.R. China
| | - Zhen Zhang
- Laboratory for Molecular Immunology, Institute of Basic Medicine, Shandong Academy of Medical Sciences, Jinan, Shandong 250062, P.R. China
| | - Xintao Qu
- Department of Bone and Joint Surgery Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong 250013, P.R. China
| | - Xiaoxiao Zhu
- Laboratory for Molecular Immunology, Institute of Basic Medicine, Shandong Academy of Medical Sciences, Jinan, Shandong 250062, P.R. China
| | - Lin Zhao
- Laboratory for Molecular Immunology, Institute of Basic Medicine, Shandong Academy of Medical Sciences, Jinan, Shandong 250062, P.R. China
| | - Ran Wei
- Laboratory for Molecular Immunology, Institute of Basic Medicine, Shandong Academy of Medical Sciences, Jinan, Shandong 250062, P.R. China
| | - Qiang Guo
- Laboratory for Molecular Immunology, Institute of Basic Medicine, Shandong Academy of Medical Sciences, Jinan, Shandong 250062, P.R. China
| | - Linlin Sun
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan, Shandong 250062, P.R. China
| | - Xunqiang Yin
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan, Shandong 250062, P.R. China
| | - Yunhong Zhang
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan, Shandong 250062, P.R. China
| | - Xia Li
- Laboratory for Molecular Immunology, Institute of Basic Medicine, Shandong Academy of Medical Sciences, Jinan, Shandong 250062, P.R. China
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30
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Liu L, Allman WR, Coleman AS, Takeda K, Lin TL, Akkoyunlu M. Delayed onset of autoreactive antibody production and M2-skewed macrophages contribute to improved survival of TACI deficient MRL-Fas/Lpr mouse. Sci Rep 2018; 8:1308. [PMID: 29358664 PMCID: PMC5778001 DOI: 10.1038/s41598-018-19827-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Accepted: 01/09/2018] [Indexed: 12/24/2022] Open
Abstract
Anti-B cell activating factor belonging to TNF-family (BAFF) antibody therapy is indicated for the treatment of patients with active systemic lupus erythematosus (SLE). We hypothesized that the BAFF receptor, transmembrane activator and calcium-modulator and cyclophilin interactor (TACI) may be responsible for the generation of antibody secreting plasma cells in SLE. To test this hypothesis, we generated TACI deficient MRL-Fas/Lpr (LPR-TACI−/−) mouse. TACI deficiency resulted in improved survival of MRL-Fas/Lpr mice and delayed production of anti-dsDNA and anti-SAM/RNP antibodies. There was also a delay in the onset of proteinuria and the accumulation of IgG and inflammatory macrophages (Mϕs) in the glomeruli of young LPR-TACI−/− mice compared to wild-type mice. Underscoring the role of TACI in influencing Mϕ phenotype, the transfer of Mϕs from 12-week-old LPR-TACI−/− mice to age-matched sick wild-type animals led to a decrease in proteinuria and improvement in kidney pathology. The fact that, in LPR-TACI−/− mouse a more pronounced delay was in IgM and IgG3 autoreactive antibody isotypes and the kinetics of follicular helper T (Tfh) cell-development was comparable between the littermates suggest a role for TACI in T cell-independent autoantibody production in MRL-Fas/Lpr mouse prior to the onset of T cell-dependent antibody production.
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Affiliation(s)
- Lunhua Liu
- Laboratory of Bacterial Polysaccharides, Division of Bacterial Parasitic and Allergenic Products, Silver Spring, MD, 20993, United States of America
| | - Windy Rose Allman
- Laboratory of Bacterial Polysaccharides, Division of Bacterial Parasitic and Allergenic Products, Silver Spring, MD, 20993, United States of America
| | - Adam Steven Coleman
- Laboratory of Bacterial Polysaccharides, Division of Bacterial Parasitic and Allergenic Products, Silver Spring, MD, 20993, United States of America
| | - Kazuyo Takeda
- Microscopy and Imaging Core Facility, Division of Viral Products, Silver Spring, MD, 20993, United States of America
| | - Tsai-Lien Lin
- Vaccine Evaluation Branch, Division of Biostatistics, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, MD, 20993, United States of America
| | - Mustafa Akkoyunlu
- Laboratory of Bacterial Polysaccharides, Division of Bacterial Parasitic and Allergenic Products, Silver Spring, MD, 20993, United States of America.
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Pinna RA, Dos Santos AC, Perce-da-Silva DS, da Silva LA, da Silva RNR, Alves MR, Santos F, de Oliveira Ferreira J, Lima-Junior JC, Villa-Verde DM, De Luca PM, Carvalho-Pinto CE, Banic DM. Correlation of APRIL with production of inflammatory cytokines during acute malaria in the Brazilian Amazon. IMMUNITY INFLAMMATION AND DISEASE 2018; 6:207-220. [PMID: 29314720 PMCID: PMC5946147 DOI: 10.1002/iid3.208] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 10/18/2017] [Accepted: 10/20/2017] [Indexed: 02/06/2023]
Abstract
INTRODUCTION A proliferation-inducing ligand (APRIL) and B cell activation factor (BAFF) are known to play a significant role in the pathogenesis of several diseases, including BAFF in malaria. The aim of this study was to investigate whether APRIL and BAFF plasma concentrations could be part of inflammatory responses associated with P. vivax and P. falciparum malaria in patients from the Brazilian Amazon. METHODS Blood samples were obtained from P. vivax and P. falciparum malaria patients (n = 52) resident in Porto Velho before and 15 days after the beginning of treatment and from uninfected individuals (n = 12). We investigated APRIL and BAFF circulating levels and their association with parasitaemia, WBC counts, and cytokine/chemokine plasma levels. The expression levels of transmembrane activator and calcium-modulating cyclophilin ligand interactor (TACI) on PBMC from a subset of 5 P. vivax-infected patients were analyzed by flow cytometry. RESULTS APRIL plasma levels were transiently increased during acute P. vivax and P. falciparum infections whereas BAFF levels were only increased during acute P. falciparum malaria. Although P. vivax and P. falciparum malaria patients have similar cytokine profiles during infection, in P. vivax acute phase malaria, APRIL but not BAFF levels correlated positively with IL-1, IL-2, IL-4, IL-6, and IL-13 levels. We did not find any association between P. vivax parasitaemia and APRIL levels, while an inverse correlation was found between P. falciparum parasitaemia and APRIL levels. The percentage of TACI positive CD4+ and CD8+ T cells were increased in the acute phase P. vivax malaria. CONCLUSION These findings suggest that the APRIL and BAFF inductions reflect different host strategies for controlling infection with each malaria species.
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Affiliation(s)
- Raquel A Pinna
- Laboratory of Clinical Immunology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Avenida Brasil 4365, Manguinhos, Rio de Janeiro, RJ, Brazil, 21040-360
| | - Adriana C Dos Santos
- Laboratory of Experimental Pathology, Institute of Biology, Fluminense Federal University, Niterói, RJ, Brazil, 24020-140
| | - Daiana S Perce-da-Silva
- Laboratory of Clinical Immunology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Avenida Brasil 4365, Manguinhos, Rio de Janeiro, RJ, Brazil, 21040-360
| | - Luciene A da Silva
- Laboratory of Clinical Immunology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Avenida Brasil 4365, Manguinhos, Rio de Janeiro, RJ, Brazil, 21040-360
| | - Rodrigo N Rodrigues da Silva
- Laboratory of Imunoparasitology Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Avenida Brasil 4365, Manguinhos, Rio de Janeiro, RJ, Brazil, 21040-360
| | - Marcelo R Alves
- Laboratory of Research in Pharmacogenetics, National Institute of Infectology, Oswaldo Cruz Foundation, Avenida Brasil 4365, Manguinhos, Rio de Janeiro, RJ, Brazil, 21040-360
| | - Fátima Santos
- Laboratory of Entomology, LACEN/RO, Rua Anita Garibalde, 4130 - Costa e Silva, Porto Velho, RO, Brazil, 76803-620
| | - Joseli de Oliveira Ferreira
- Laboratory of Imunoparasitology Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Avenida Brasil 4365, Manguinhos, Rio de Janeiro, RJ, Brazil, 21040-360
| | - Josué C Lima-Junior
- Laboratory of Imunoparasitology Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Avenida Brasil 4365, Manguinhos, Rio de Janeiro, RJ, Brazil, 21040-360
| | - Déa M Villa-Verde
- Laboratory on Thymus Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Avenida Brasil 4365, Manguinhos, Rio de Janeiro, RJ, Brazil, 21040-360
| | - Paula M De Luca
- Laboratory of Imunoparasitology Research, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Avenida Brasil 4365, Manguinhos, Rio de Janeiro, RJ, Brazil, 21040-360
| | - Carla E Carvalho-Pinto
- Laboratory of Experimental Pathology, Institute of Biology, Fluminense Federal University, Niterói, RJ, Brazil, 24020-140
| | - Dalma M Banic
- Laboratory of Clinical Immunology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Avenida Brasil 4365, Manguinhos, Rio de Janeiro, RJ, Brazil, 21040-360
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Dou H, Yan Z, Zhang M, Xu X. APRIL promotes non-small cell lung cancer growth and metastasis by targeting ERK1/2 signaling. Oncotarget 2017; 8:109289-109300. [PMID: 29312608 PMCID: PMC5752521 DOI: 10.18632/oncotarget.22672] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 11/09/2017] [Indexed: 12/12/2022] Open
Abstract
Non-small-cell lung cancer (NSCLC) is the major subtype of lung cancer, which is the most common cause of cancer-related mortality in the world. It is a complex disease involving multiple genetic alterations. As a cytokine belonging to the Tumor Necrosis Factor-α (TNF- α) family, the - a proliferation-inducing ligand (APRIL) expression and its signaling have been studied in many human solid tumor types, but the data on APRIL signaling in NSCLC are lacking. The aim of this study was to evaluate the APRIL expression and investigate its signaling in NSCLC. The expression of APRIL and its receptors, B cell maturation antigen (BCMA) and transmembrane activator and calcium-modulatorand cyclophilin ligand interactor (TACI), was analyzed by using immunohistochemistry in NSCLC samples. Quantitative RT-PCR was performed to evaluate mRNA expression of APRIL, BCMA and TACI in human lung adenocarcinoma cell lines A549, H1299, and H1650. Cell proliferation was measured by using the cell proliferation and cytotoxicity assay kit 8 (CCK8) assay, cell migration by using wound healing assay, and cell invasion by using transwall assay. The protein level of APRIL, BCMA and TAC, and the activation of extracellular regulated protein kinases 1/2 (ERK1/2) signaling, were determined by western blot. Our results indicated, APRIL and its receptors BCMA and TACI, were overexpressed in most of human NSCLC samples and cell lines; APRIL promoted tumor proliferation, migration and metastasis in A549 and H1299 cells via BCMA and TACI. Furthermore, ERK1/2 activation was involved in APRIL signaling through TACI but not BCMA in A549 and H1299 cells. APRIL might serve as a potential prognostic biomarker for NSCLC, and APRIL related signaling pathway could be a therapeutic target for NSCLC.
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Affiliation(s)
- Hengli Dou
- Department of Neurosurgery, The Fourth Hospital of Jinan, Jinan 250013, Shandong, China
| | - Zhaohua Yan
- Department of Neurosurgery, The Fourth Hospital of Jinan, Jinan 250013, Shandong, China
| | - Meng Zhang
- Department of Neurosurgery, The Fourth Hospital of Jinan, Jinan 250013, Shandong, China
| | - Xiaoxin Xu
- Department of Neurosurgery, The Fourth Hospital of Jinan, Jinan 250013, Shandong, China
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Abstract
The two ligands B cell-activating factor of the tumor necrosis factor family (BAFF) and a proliferation-inducing ligand (APRIL) and the three receptors BAFF receptor (BAFF-R), transmembrane activator and calcium-modulating cyclophilin ligand interactor (TACI), and B cell maturation antigen (BCMA) are members of the "BAFF system molecules." BAFF system molecules are primarily involved in B cell homeostasis. The relevance of BAFF system molecules in host responses to microbial assaults has been investigated in clinical studies and in mice deficient for each of these molecules. Many microbial products modulate the expression of these molecules. Data from clinical studies suggest a correlation between increased expression levels of BAFF system molecules and elevated B cell responses. Depending on the pathogen, heightened B cell responses may strengthen the host response or promote susceptibility. Whereas pathogen-mediated increases in the expression levels of the ligands and/or the receptors appear to promote microbial clearance, certain pathogens have evolved to ablate B cell responses by suppressing the expression of TACI and/or BAFF-R on B cells. Other than its well-established role in B cell responses, the TACI-mediated activation of macrophages is also implicated in resistance to intracellular pathogens. An improved understanding of the role that BAFF system molecules play in infection may assist in devising novel strategies for vaccine development.
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Omachi S, Fujii W, Azuma N, Morimoto A, Sanjoba C, Matsumoto Y, Goto Y. B-cell activating factor deficiency suppresses splenomegaly during Leishmania donovani infection. Biochem Biophys Res Commun 2017; 489:528-533. [PMID: 28583852 DOI: 10.1016/j.bbrc.2017.06.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 06/01/2017] [Indexed: 11/25/2022]
Abstract
B-cell activating factor (BAFF) is a critical regulator for B-cell development and differentiation. We previously reported elevation of serum BAFF levels in patients with visceral leishmaniasis (VL). In this study, we examined if BAFF is involved in pathologies during infection of Leishmania donovani. BALB/cA mice infected with L. donovani showed significant elevation in serum BAFF and IgG levels as seen in VL patients. In contrast, elevation of serum IgG by L. donovani infection was significantly suppressed in BAFF-deficient mice. The spleen weight of the BAFF-deficient mice after infection was significantly lower than that of the infected wild-type mice, whereas comparable degree of hepatomegaly and anemia were observed in those mice. In the enlarged spleen of L. donovani-infected wild-type mice, increase of CD19+ lymphocytes was more prominent than that of CD3+ cells, suggesting the contribution of B cell increase to splenomegaly during VL. Besides, increase of CD19+ lymphocytes was not found in BAFF-deficient mice after L. donovani infection. Taken together, these results suggest that BAFF is involved in strong B cell activation, which has a pathological role in splenomegaly but not in hepatomegaly or anemia, during VL.
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Affiliation(s)
- Satoko Omachi
- Laboratory of Molecular Immunology, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Wataru Fujii
- Laboratory of Applied Genetics, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Natsuho Azuma
- Laboratory of Molecular Immunology, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Ayako Morimoto
- Laboratory of Molecular Immunology, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Chizu Sanjoba
- Laboratory of Molecular Immunology, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Yoshitsugu Matsumoto
- Laboratory of Molecular Immunology, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan
| | - Yasuyuki Goto
- Laboratory of Molecular Immunology, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan.
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Sage AP, Mallat Z. Readapting the adaptive immune response - therapeutic strategies for atherosclerosis. Br J Pharmacol 2017; 174:3926-3939. [PMID: 28052311 DOI: 10.1111/bph.13700] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 12/13/2016] [Accepted: 12/20/2016] [Indexed: 02/06/2023] Open
Abstract
Cardiovascular diseases remain a major global health issue, with the development of atherosclerosis as a major underlying cause. Our treatment of cardiovascular disease has improved greatly over the past three decades, but much remains to be done reduce disease burden. Current priorities include reducing atherosclerosis advancement to clinically significant stages and preventing plaque rupture or erosion. Inflammation and involvement of the adaptive immune system influences all these aspects and therefore is one focus for future therapeutic development. The atherosclerotic vascular wall is now recognized to be invaded from both sides (arterial lumen and adventitia), for better or worse, by the adaptive immune system. Atherosclerosis is also affected at several stages by adaptive immune responses, overall providing many opportunities to target these responses and to reduce disease progression. Protective influences that may be defective in diseased individuals include humoral responses to modified LDL and regulatory T cell responses. There are many strategies in development to boost these pathways in humans, including vaccine-based therapies. The effects of various existing adaptive immune targeting therapies, such as blocking critical co-stimulatory pathways or B cell depletion, on cardiovascular disease are beginning to emerge with important consequences for both autoimmune disease patients and the potential for wider use of such therapies. Entering the translation phase for adaptive immune targeting therapies is an exciting and promising prospect. LINKED ARTICLES This article is part of a themed section on Targeting Inflammation to Reduce Cardiovascular Disease Risk. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.22/issuetoc and http://onlinelibrary.wiley.com/doi/10.1111/bcp.v82.4/issuetoc.
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Affiliation(s)
- Andrew P Sage
- Division of Cardiovascular Medicine, Department of Medicine, University of Cambridge, Cambridge, UK
| | - Ziad Mallat
- Division of Cardiovascular Medicine, Department of Medicine, University of Cambridge, Cambridge, UK.,INSERM U970, Paris Cardiovascular Research Center, Paris, France, Université Paris Descartes, Sorbonne Paris Cité, Paris, France
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Ley K, Pramod AB, Croft M, Ravichandran KS, Ting JP. How Mouse Macrophages Sense What Is Going On. Front Immunol 2016; 7:204. [PMID: 27313577 PMCID: PMC4890338 DOI: 10.3389/fimmu.2016.00204] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Accepted: 05/10/2016] [Indexed: 01/26/2023] Open
Abstract
Macrophages are central to both innate and adaptive immunity. With few exceptions, macrophages are the first cells that sense trouble and respond to disturbances in almost all tissues and organs. They sense their environment, inhibit or kill pathogens, take up apoptotic and necrotic cells, heal tissue damage, and present antigens to T cells. Although the origins (yolk sac versus monocyte-derived) and phenotypes (functions, gene expression profiles, surface markers) of macrophages vary between tissues, they have many receptors in common that are specific to one or a few molecular species. Here, we review the expression and function of almost 200 key macrophage receptors that help the macrophages sense what is going on, including pathogen-derived molecules, the state of the surrounding tissue cells, apoptotic and necrotic cell death, antibodies and immune complexes, altered self molecules, extracellular matrix components, and cytokines, including chemokines.
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Affiliation(s)
- Klaus Ley
- Division of Inflammation Biology, La Jolla Institute for Allergy and Immunology, La Jolla, CA, USA; Department of Bioengineering, University of California San Diego, La Jolla, CA, USA
| | - Akula Bala Pramod
- Division of Inflammation Biology, La Jolla Institute for Allergy and Immunology , La Jolla, CA , USA
| | - Michael Croft
- Division of Immune Regulation, La Jolla Institute for Allergy and Immunology , La Jolla, CA , USA
| | - Kodi S Ravichandran
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia , Charlottesville, VA , USA
| | - Jenny P Ting
- Department of Genetics, The Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill , Chapel Hill, NC , USA
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Schleicher U, Paduch K, Debus A, Obermeyer S, König T, Kling JC, Ribechini E, Dudziak D, Mougiakakos D, Murray PJ, Ostuni R, Körner H, Bogdan C. TNF-Mediated Restriction of Arginase 1 Expression in Myeloid Cells Triggers Type 2 NO Synthase Activity at the Site of Infection. Cell Rep 2016; 15:1062-1075. [PMID: 27117406 PMCID: PMC5065922 DOI: 10.1016/j.celrep.2016.04.001] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Revised: 02/09/2016] [Accepted: 03/25/2016] [Indexed: 12/30/2022] Open
Abstract
Neutralization or deletion of tumor necrosis factor (TNF) causes loss of control of intracellular pathogens in mice and humans, but the underlying mechanisms are incompletely understood. Here, we found that TNF antagonized alternative activation of macrophages and dendritic cells by IL-4. TNF inhibited IL-4-induced arginase 1 (Arg1) expression by decreasing histone acetylation, without affecting STAT6 phosphorylation and nuclear translocation. In Leishmania major-infected C57BL/6 wild-type mice, type 2 nitric oxide (NO) synthase (NOS2) was detected in inflammatory dendritic cells or macrophages, some of which co-expressed Arg1. In TNF-deficient mice, Arg1 was hyperexpressed, causing an impaired production of NO in situ. A similar phenotype was seen in L. major-infected BALB/c mice. Arg1 deletion in hematopoietic cells protected these mice from an otherwise lethal disease, although their disease-mediating T cell response (Th2, Treg) was maintained. Thus, deletion or TNF-mediated restriction of Arg1 unleashes the production of NO by NOS2, which is critical for pathogen control.
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Affiliation(s)
- Ulrike Schleicher
- Mikrobiologisches Institut - Klinische Mikrobiologie, Immunologie und Hygiene, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
- Medical Immunology Campus Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, 91054 Erlangen, Germany
| | - Katrin Paduch
- Mikrobiologisches Institut - Klinische Mikrobiologie, Immunologie und Hygiene, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
| | - Andrea Debus
- Mikrobiologisches Institut - Klinische Mikrobiologie, Immunologie und Hygiene, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
| | - Stephanie Obermeyer
- Mikrobiologisches Institut - Klinische Mikrobiologie, Immunologie und Hygiene, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
| | - Till König
- Abteilung Mikrobiologie und Hygiene, Institut für Medizinische Mikrobiologie und Hygiene, Albert-Ludwigs-Universität Freiburg, 79104 Freiburg, Germany
| | - Jessica C. Kling
- Menzies Institute for Medical Research Tasmania, Hobart, Tasmania 7000, Australia
| | - Eliana Ribechini
- Institute of Virology and Immunobiology, University of Würzburg, 97078 Würzburg, Germany.
| | - Diana Dudziak
- Medical Immunology Campus Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, 91054 Erlangen, Germany
- Laboratory of DC Biology, Department of Dermatology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
| | - Dimitrios Mougiakakos
- Medical Immunology Campus Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, 91054 Erlangen, Germany
- Department of Internal Medicine 5, Hematology and Oncology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054 Erlangen, Germany.
| | - Peter J. Murray
- Departments of Infectious Diseases and Immunology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
| | - Renato Ostuni
- Department of Experimental Oncology, European Institute of Oncology (IEO), 20139 Milan, Italy
| | - Heinrich Körner
- Menzies Institute for Medical Research Tasmania, Hobart, Tasmania 7000, Australia
| | - Christian Bogdan
- Mikrobiologisches Institut - Klinische Mikrobiologie, Immunologie und Hygiene, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, 91054 Erlangen, Germany
- Medical Immunology Campus Erlangen, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg, 91054 Erlangen, Germany
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