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Zhang M, Wang QR, Hou X, Wang Q, Yang X, Zhou T, Liu X, Wu L, Wang J, Jin X, Liu Z, Huang B. Blockage of mechanosensitive Piezo1 channel alleviates the severity of experimental malaria-associated acute lung injury. Parasit Vectors 2024; 17:46. [PMID: 38303078 PMCID: PMC10832208 DOI: 10.1186/s13071-024-06144-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 01/17/2024] [Indexed: 02/03/2024] Open
Abstract
BACKGROUND Malaria-associated acute lung injury (MA-ALI) is a well-recognized clinical complication of severe, complicated malaria that is partly driven by sequestrations of infected red blood cells (iRBCs) on lung postcapillary induced impaired blood flow. In earlier studies the mechanosensitive Piezo1 channel emerged as a regulator of mechanical stimuli, but the function and underlying mechanism of Piezo1 impacting MA-ALI severity via sensing the impaired pulmonary blood flow are still not fully elucidated. Thus, the present study aimed to explore the role of Piezo1 in the severity of murine MA-ALI. METHODS Here, we utilized a widely accepted murine model of MA-ALI using C57BL/6 mice with Plasmodium berghei ANKA infection and then added a Piezo1 inhibitor (GsMTx4) to the model. The iRBC-stimulated Raw264.7 macrophages in vitro were also targeted with GsMTx4 to further explore the potential mechanism. RESULTS Our data showed an elevation in the expression of Piezo1 and number of Piezo1+-CD68+ macrophages in lung tissues of the experimental MA-ALI mice. Compared to the infected control mice, the blockage of Piezo1 with GsMTx4 dramatically improved the survival rate but decreased body weight loss, peripheral blood parasitemia/lung parasite burden, experimental cerebral malaria incidence, total protein concentrations in bronchoalveolar lavage fluid, lung wet/dry weight ratio, vascular leakage, pathological damage, apoptosis and number of CD68+ and CD86+ macrophages in lung tissues. This was accompanied by a dramatic increase in the number of CD206+ macrophages (M2-like subtype), upregulation of anti-inflammatory cytokines (e.g. IL-4 and IL-10) and downregulation of pro-inflammatory cytokines (e.g. TNF-α and IL-1β). In addition, GsMTx4 treatment remarkably decreased pulmonary intracellular iron accumulation, protein level of 4-HNE (an activator of ferroptosis) and the number of CD68+-Piezo1+ and CD68+-4-HNE+ macrophages but significantly increased protein levels of GPX4 (an inhibitor of ferroptosis) in experimental MA-ALI mice. Similarly, in vitro study showed that the administration of GsMTx4 led to a remarkable elevation in the mRNA levels of CD206, IL-4, IL-10 and GPX-4 but to a substantial decline in CD86, TNF-α, IL-1β and 4-HNE in the iRBC-stimulated Raw264.7 cells. CONCLUSIONS Our findings indicated that blockage of Piezo1 with GsMTx4 alleviated the severity of experimental MA-ALI in mice partly by triggering pulmonary macrophage M2 polarization and subsequent anti-inflammatory responses but inhibited apoptosis and ferroptosis in lung tissue. Our data suggested that targeting Piezo1 in macrophages could be a promising therapeutic strategy for treating MA-ALI.
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Affiliation(s)
- Min Zhang
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, 510006, People's Republic of China
| | - Qian Ru Wang
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, 510006, People's Republic of China
| | - Xinpeng Hou
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, 510006, People's Republic of China
| | - Qi Wang
- Guangzhou Chest Hospital, Guangzhou, 510095, People's Republic of China
| | - Xiaoyan Yang
- Department of Laboratory Medicine, Central Hospital of Panyu District, Guangzhou, 511400, People's Republic of China
| | - Tingting Zhou
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, 510006, People's Republic of China
| | - Xiaobo Liu
- School of Basic Medical Science, Guangdong Pharmaceutical University, Guangzhou, 510006, People's Republic of China
| | - Lirong Wu
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, 510006, People's Republic of China
| | - Jie Wang
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, 510006, People's Republic of China
| | - Xiaobao Jin
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, 510006, People's Republic of China
| | - Zhenlong Liu
- Division of Experimental Medicine, Department of Medicine, McGill University, Montreal, QC, Canada.
| | - Bo Huang
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, 510006, People's Republic of China.
- School of Basic Medical Science, Guangdong Pharmaceutical University, Guangzhou, 510006, People's Republic of China.
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Tarique AA, Tuladhar N, Kelk D, Begum N, Lucas RM, Luo L, Stow JL, Wainwright CE, Bell SC, Sly PD, Fantino E. Azithromycin Augments Bacterial Uptake and Anti-Inflammatory Macrophage Polarization in Cystic Fibrosis. Cells 2024; 13:166. [PMID: 38247856 PMCID: PMC10813867 DOI: 10.3390/cells13020166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/12/2024] [Accepted: 01/12/2024] [Indexed: 01/23/2024] Open
Abstract
BACKGROUND Azithromycin (AZM) is widely being used for treating patients with cystic fibrosis (pwCF) following clinical trials demonstrating improved lung function and fewer incidents of pulmonary exacerba-tions. While the precise mechanisms remain elusive, immunomodulatory actions are thought to be involved. We previously reported impaired phagocytosis and defective anti-inflammatory M2 macrophage polarization in CF. This study systematically analyzed the effect of AZM on the functions of unpolarized and M1/M2 polarized macrophages in CF. METHODS Monocytes, isolated from the venous blood of patients with CF (pwCF) and healthy controls (HCs), were differentiated into monocyte-derived macrophages (MDMs) and subsequently infected with P. aeruginosa. P. aeruginosa uptake and killing by MDMs in the presence or absence of AZM was studied. M1 and M2 macrophage polarizations were induced and their functions and cytokine release were analyzed. RESULTS Following AZM treatment, both HC and CF MDMs exhibited a significant increase in P. aeruginosa uptake and killing, however, lysosomal acidification remained unchanged. AZM treatment led to higher activation of ERK1/2 in both HC and CF MDMs. Pharmacological inhibition of ERK1/2 using U0126 significantly reduced P. aeruginosa uptake in HC MDMs. M1 macrophage polarization remained unaffected; however, AZM treatment led to increased IL-6 and IL-10 release in both HC and CF M1 macrophages. AZM also significantly increased the phagocytic index for both pHrodo E. coli and S. aureus in CF M1 macrophages. In CF, AZM treatment promoted anti-inflammatory M2 macrophage polarization, with an increased percentage of CD209+ M2 macrophages, induction of the M2 gene CCL18, along with its secretion in the culture supernatant. However, AZM d'd not restore endocytosis in CF, another essential feature of M2 macrophages. CONCLUSIONS This study highlights the cellular functions and molecular targets of AZM which may involve an improved uptake of both Gram-positive and Gram-negative bacteria, restored anti-inflammatory macrophage polarization in CF. This may in turn shape the reduced lung inflammation observed in clinical trials. In addition, we confirmed the role of ERK1/2 activation for bacterial uptake.
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Affiliation(s)
- Abdullah A. Tarique
- Child Health Research Centre (CHRC), The University of Queensland, Brisbane, QLD 4101, Australia (P.D.S.); (E.F.)
| | - Neeraj Tuladhar
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, QLD 4067, Australia
| | - Dean Kelk
- Child Health Research Centre (CHRC), The University of Queensland, Brisbane, QLD 4101, Australia (P.D.S.); (E.F.)
| | - Nelufa Begum
- Child Health Research Centre (CHRC), The University of Queensland, Brisbane, QLD 4101, Australia (P.D.S.); (E.F.)
| | - Richard M. Lucas
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, QLD 4067, Australia
| | - Lin Luo
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, QLD 4067, Australia
| | - Jennifer L. Stow
- Institute for Molecular Bioscience (IMB), The University of Queensland, Brisbane, QLD 4067, Australia
| | - Claire E. Wainwright
- Child Health Research Centre (CHRC), The University of Queensland, Brisbane, QLD 4101, Australia (P.D.S.); (E.F.)
- Respiratory and Sleep Medicine, Queensland Children’s Hospital, Brisbane, QLD 4101, Australia
| | - Scott C. Bell
- Child Health Research Centre (CHRC), The University of Queensland, Brisbane, QLD 4101, Australia (P.D.S.); (E.F.)
- Thoracic Medicine, The Prince Charles Hospital, Brisbane, QLD 4032, Australia
| | - Peter D. Sly
- Child Health Research Centre (CHRC), The University of Queensland, Brisbane, QLD 4101, Australia (P.D.S.); (E.F.)
| | - Emmanuelle Fantino
- Child Health Research Centre (CHRC), The University of Queensland, Brisbane, QLD 4101, Australia (P.D.S.); (E.F.)
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Pollenus E, Possemiers H, Knoops S, Prenen F, Vandermosten L, Thienpont C, Abdurahiman S, Demeyer S, Cools J, Matteoli G, Vanoirbeek JAJ, Vande Velde G, Van den Steen PE. Single cell RNA sequencing reveals endothelial cell killing and resolution pathways in experimental malaria-associated acute respiratory distress syndrome. PLoS Pathog 2024; 20:e1011929. [PMID: 38236930 PMCID: PMC10826972 DOI: 10.1371/journal.ppat.1011929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 01/30/2024] [Accepted: 12/29/2023] [Indexed: 01/31/2024] Open
Abstract
Plasmodium parasites cause malaria, a global health disease that is responsible for more than 200 million clinical cases and 600 000 deaths each year. Most deaths are caused by various complications, including malaria-associated acute respiratory distress syndrome (MA-ARDS). Despite the very rapid and efficient killing of parasites with antimalarial drugs, 15% of patients with complicated malaria succumb. This stresses the importance of investigating resolution mechanisms that are involved in the recovery from these complications once the parasite is killed. To study the resolution of MA-ARDS, P. berghei NK65-infected C57BL/6 mice were treated with antimalarial drugs after onset of symptoms, resulting in 80% survival. Micro-computed tomography revealed alterations of the lungs upon infection, with an increase in total and non-aerated lung volume due to edema. Whole body plethysmography confirmed a drastically altered lung ventilation, which was restored during resolution. Single-cell RNA sequencing indicated an increased inflammatory state in the lungs upon infection, which was accompanied by a drastic decrease in endothelial cells, consistent with CD8+ T cell-mediated killing. During resolution, anti-inflammatory pathways were upregulated and proliferation of endothelial cells was observed. MultiNicheNet interactome analysis identified important changes in the ligand-receptor interactions during disease resolution that warrant further exploration in order to develop new therapeutic strategies. In conclusion, our study provides insights in pro-resolving pathways that limit inflammation and promote endothelial cell proliferation in experimental MA-ARDS. This information may be useful for the design of adjunctive treatments to enhance resolution after Plasmodium parasite killing by antimalarial drugs.
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Affiliation(s)
- Emilie Pollenus
- Laboratory of Immunoparasitology, Department of Microbiology, Immunology & Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Hendrik Possemiers
- Laboratory of Immunoparasitology, Department of Microbiology, Immunology & Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Sofie Knoops
- Laboratory of Immunoparasitology, Department of Microbiology, Immunology & Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Fran Prenen
- Laboratory of Immunoparasitology, Department of Microbiology, Immunology & Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Leen Vandermosten
- Laboratory of Immunoparasitology, Department of Microbiology, Immunology & Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Chloë Thienpont
- Laboratory of Immunoparasitology, Department of Microbiology, Immunology & Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Saeed Abdurahiman
- Laboratory of Mucosal Immunology, Translational Research in Gastro-Intestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Sofie Demeyer
- Laboratory of Molecular Biology of Leukemia, Department of Human Genetics, VIB—KU Leuven, Leuven, Belgium
| | - Jan Cools
- Laboratory of Molecular Biology of Leukemia, Department of Human Genetics, VIB—KU Leuven, Leuven, Belgium
| | - Gianluca Matteoli
- Laboratory of Mucosal Immunology, Translational Research in Gastro-Intestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Jeroen A. J. Vanoirbeek
- Centre for Environment and Health, Department of Public Health and Primary Care, KU Leuven, Leuven, Belgium
| | - Greetje Vande Velde
- Biomedical MRI, Department of Imaging & Pathology, KU Leuven, Leuven, Belgium
| | - Philippe E. Van den Steen
- Laboratory of Immunoparasitology, Department of Microbiology, Immunology & Transplantation, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
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Gaio P, Cramer A, de Melo Oliveira NF, Porto S, Kramer L, Nonato Rabelo RA, Pereira RDD, de Oliveira Santos LL, Nascimento Barbosa CL, Silva Oliveira FM, Martins Teixeira M, Castro Russo R, Matos MJ, Simão Machado F. N-(coumarin-3-yl)cinnamamide Promotes Immunomodulatory, Neuroprotective, and Lung Function-Preserving Effects during Severe Malaria. Pharmaceuticals (Basel) 2023; 17:46. [PMID: 38256880 PMCID: PMC10821074 DOI: 10.3390/ph17010046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 01/24/2024] Open
Abstract
Plasmodium berghei ANKA (PbA) infection in mice resembles several aspects of severe malaria in humans, such as cerebral malaria and acute respiratory distress syndrome. Herein, the effects of N-(coumarin-3-yl)cinnamamide (M220) against severe experimental malaria have been investigated. Treatment with M220 proved to protect cognitive abilities and lung function in PbA-infected mice, observed by an object recognition test and spirometry, respectively. In addition, treated mice demonstrated decreased levels of brain and lung inflammation. The production and accumulation of microglia, and immune cells that produce the inflammatory cytokines TNF and IFN-γ, decreased, while the production of the anti-inflammatory cytokine IL-10 by innate and adaptive immune cells was enhanced. Treatment with M220 promotes immunomodulatory, neuroprotective, and lung function-preserving effects during experimental severe malaria. Therefore, it may be an interesting therapeutic candidate to treat severe malaria effects.
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Affiliation(s)
- Paulo Gaio
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - Allysson Cramer
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - Natália Fernanda de Melo Oliveira
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - Samuel Porto
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - Lucas Kramer
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - Rayane Aparecida Nonato Rabelo
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - Rafaela das Dores Pereira
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - Laura Lis de Oliveira Santos
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - César Luís Nascimento Barbosa
- Program in Health Sciences, Infectious Diseases and Tropical Medicine/Interdisciplinary Laboratory of Medical Investigation, Faculty of Medicine, Universidade Federal de Minas Gerais, Belo Horizonte 30130-100, MG, Brazil;
| | - Fabrício Marcus Silva Oliveira
- Cellular and Molecular Immunology Group, René Rachou Institute, Oswald o Cruz Foundation—FIOCRUZ, Belo Horizonte 30190-002, MG, Brazil;
| | - Mauro Martins Teixeira
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
- Program in Health Sciences, Infectious Diseases and Tropical Medicine/Interdisciplinary Laboratory of Medical Investigation, Faculty of Medicine, Universidade Federal de Minas Gerais, Belo Horizonte 30130-100, MG, Brazil;
| | - Remo Castro Russo
- Laboratory of Pulmonary Immunology and Mechanics, Department of Physiology and Biophysics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, MG, Brazil;
| | - Maria João Matos
- Departamento de Química Orgánica, Facultad de Farmacia, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Fabiana Simão Machado
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
- Program in Health Sciences, Infectious Diseases and Tropical Medicine/Interdisciplinary Laboratory of Medical Investigation, Faculty of Medicine, Universidade Federal de Minas Gerais, Belo Horizonte 30130-100, MG, Brazil;
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Orchanian SB, Lodoen MB. Monocytes as primary defenders against Toxoplasma gondii infection. Trends Parasitol 2023; 39:837-849. [PMID: 37633758 DOI: 10.1016/j.pt.2023.07.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 07/14/2023] [Accepted: 07/21/2023] [Indexed: 08/28/2023]
Abstract
Monocytes are recruited from the bone marrow to sites of infection where they release cytokines and chemokines, function in antimicrobial immunity, and differentiate into macrophages and dendritic cells to control infection. Although many studies have focused on monocyte-derived macrophages and dendritic cells, recent work has examined the unique roles of monocytes during infection to promote immune defense. We focus on the effector functions of monocytes during infection with the parasite Toxoplasma gondii, and discuss the signals that mobilize monocytes to sites of infection, their production of inflammatory cytokines and antimicrobial mediators, their ability to shape the adaptive immune response, and their immunoregulatory functions. Insights from other infections, including Plasmodium and Listeria are also included for comparison and context.
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Affiliation(s)
- Stephanie B Orchanian
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, California, USA; Institute for Immunology, University of California Irvine, Irvine, California, USA
| | - Melissa B Lodoen
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, California, USA; Institute for Immunology, University of California Irvine, Irvine, California, USA.
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Zafar I, Taniguchi T, Baghdadi HB, Kondoh D, Rizk MA, Galon EM, Ji S, El-Sayed SAES, Do T, Li H, Amer MM, Zhuowei M, Yihong M, Zhou J, Inoue N, Xuan X. Babesia microti alleviates disease manifestations caused by Plasmodium berghei ANKA in murine co-infection model of complicated malaria. Front Cell Infect Microbiol 2023; 13:1226088. [PMID: 37492527 PMCID: PMC10364126 DOI: 10.3389/fcimb.2023.1226088] [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: 05/20/2023] [Accepted: 06/20/2023] [Indexed: 07/27/2023] Open
Abstract
Malaria remains one of the most significant health issues worldwide, accounting for 2.6% of the total global disease burden, and efforts to eliminate this threat continue. The key focus is to develop an efficient and long-term immunity to this disease via vaccination or therapeutic approach, and innovative strategies would enable us to achieve this target. Previously, using a mouse co-infection disease model, cross-protection was illustrated between Babesia microti and Plasmodium chabaudi. Hence, this study was planned to elucidate the impact of acute B. microti Peabody mjr and Plasmodium berghei ANKA co-infection on the consequence of complicated malaria in the C57BL/6J mouse model of malaria. Furthermore, immune response and pathological features were analyzed, and the course of the disease was compared among experimental groups. Our study established that acute B. microti infection activated immunity which was otherwise suppressed by P. berghei. The immunosuppressive tissue microenvironment was counteracted as evidenced by the enhanced immune cell population in co-infected mice, in contrast to P. berghei-infected control mice. Parasite sequestration in the brain, liver, lung, and spleen of co-infected mice was significantly decreased and tissue injury was ameliorated. Meanwhile, the serum levels of IFN-γ, TNF-α, and IL-12p70 were reduced while the secretion of IL-10 was promoted in co-infected mice. Eventually, co-infected mice showed an extended rate of survival. Hereby, the principal cytokines associated with the severity of malaria by P. berghei infection were TNF-α, IFN-γ, and IL-12p70. Moreover, it was evident from our flow cytometry results that innate immunity is crucial and macrophages are at the frontline of immunity against P. berghei infection. Our study recommended further investigations to shed light on the effects of babesiosis in suppressing malaria with the goal of developing Babesia-based therapy against malaria.
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Affiliation(s)
- Iqra Zafar
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
- Livestock and Dairy Development Department, Veterinary Research Institute, Lahore, Punjab, Pakistan
| | - Tomoyo Taniguchi
- Department of Immunology and Parasitology, Graduate School of Medicine University of the Ryukyus, Nishihara Cho, Japan
| | - Hanadi B. Baghdadi
- Biology Department, College of Science, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
- Basic and Applied Scientific Research Center (BASRC), Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Daisuke Kondoh
- Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Mohamed Abdo Rizk
- Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Eloiza May Galon
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
- College of Veterinary Medicine and Biomedical Sciences, Cavite State University, Indang, Cavite, Philippines
| | - Shengwei Ji
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Shimaa Abd El-Salam El-Sayed
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
- Department of Biochemistry and Chemistry of Nutrition, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Thom Do
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Hang Li
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Moaz M. Amer
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Ma Zhuowei
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Ma Yihong
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Jinlin Zhou
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Noboru Inoue
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
| | - Xuenan Xuan
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Japan
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Olatunde AC, Cornwall DH, Roedel M, Lamb TJ. Mouse Models for Unravelling Immunology of Blood Stage Malaria. Vaccines (Basel) 2022; 10:1525. [PMID: 36146602 PMCID: PMC9501382 DOI: 10.3390/vaccines10091525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 09/05/2022] [Accepted: 09/06/2022] [Indexed: 11/16/2022] Open
Abstract
Malaria comprises a spectrum of disease syndromes and the immune system is a major participant in malarial disease. This is particularly true in relation to the immune responses elicited against blood stages of Plasmodium-parasites that are responsible for the pathogenesis of infection. Mouse models of malaria are commonly used to dissect the immune mechanisms underlying disease. While no single mouse model of Plasmodium infection completely recapitulates all the features of malaria in humans, collectively the existing models are invaluable for defining the events that lead to the immunopathogenesis of malaria. Here we review the different mouse models of Plasmodium infection that are available, and highlight some of the main contributions these models have made with regards to identifying immune mechanisms of parasite control and the immunopathogenesis of malaria.
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Affiliation(s)
| | | | | | - Tracey J. Lamb
- Department of Pathology, University of Utah, Emma Eccles Jones Medical Research Building, 15 N Medical Drive E, Room 1420A, Salt Lake City, UT 84112, USA
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Nguee SYT, Júnior JWBD, Epiphanio S, Rénia L, Claser C. Experimental Models to Study the Pathogenesis of Malaria-Associated Acute Respiratory Distress Syndrome. Front Cell Infect Microbiol 2022; 12:899581. [PMID: 35677654 PMCID: PMC9168995 DOI: 10.3389/fcimb.2022.899581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 04/28/2022] [Indexed: 11/13/2022] Open
Abstract
Malaria-associated acute respiratory distress syndrome (MA-ARDS) is increasingly gaining recognition as a severe malaria complication because of poor prognostic outcomes, high lethality rate, and limited therapeutic interventions. Unfortunately, invasive clinical studies are challenging to conduct and yields insufficient mechanistic insights. These limitations have led to the development of suitable MA-ARDS experimental mouse models. In patients and mice, MA-ARDS is characterized by edematous lung, along with marked infiltration of inflammatory cells and damage of the alveolar-capillary barriers. Although, the pathogenic pathways have yet to be fully understood, the use of different experimental mouse models is fundamental in the identification of mediators of pulmonary vascular damage. In this review, we discuss the current knowledge on endothelial activation, leukocyte recruitment, leukocyte induced-endothelial dysfunction, and other important findings, to better understand the pathogenesis pathways leading to endothelial pulmonary barrier lesions and increased vascular permeability. We also discuss how the advances in imaging techniques can contribute to a better understanding of the lung lesions induced during MA-ARDS, and how it could aid to monitor MA-ARDS severity.
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Affiliation(s)
- Samantha Yee Teng Nguee
- A*STAR Infectious Diseases Labs (A*STAR ID Labs), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | | | - Sabrina Epiphanio
- Department of Clinical and Toxicological Analyses, Faculty of Pharmaceutical Science, University of São Paulo, São Paulo, Brazil
| | - Laurent Rénia
- A*STAR Infectious Diseases Labs (A*STAR ID Labs), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
- School of Biological Sciences, Nanyang Technological University, Singapore, Singapore
| | - Carla Claser
- Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
- *Correspondence: Carla Claser,
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9
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PET Imaging of Translocator Protein as a Marker of Malaria-Associated Lung Inflammation. Infect Immun 2021; 89:e0002421. [PMID: 34251290 DOI: 10.1128/iai.00024-21] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Purpose. Malaria-associated acute respiratory distress syndrome (MA-ARDS) is a severe complication of malaria despite effective anti-malarial treatment. Currently, non-invasive imaging procedures such as chest X-rays are used to assess oedema in established MA-ARDS but earlier detection methods are needed to reduce morbidity and mortality. The early stages of MA-ARDS are characterized by the infiltration of leukocytes, in particular monocyte/macrophages, thus monitoring of immune infiltrates may provide a useful indicator of early pathology. Procedures. Plasmodium berghei ANKA-infected C57BL/6 mice, a rodent malaria model of MA-ARDS, were longitudinally imaged using the TSPO imaging agent [18F]FEPPA as a marker of macrophage accumulation during the development of pathology and response to combined artesunate and chloroquine diphosphate therapy (ART+CQ). [18F]FEPPA uptake was compared to blood parasitemia levels and pulmonary immune cell infiltrates using flow cytometry. Results. Infected animals showed rapid increases lung retention of [18F]FEPPA, correlating well with increases in blood parasitemia and pulmonary accumulation of interstitial inflammatory macrophages and MHC II+ alveolar macrophages. Treatment with ART+CQ therapy abrogated this increase in parasitemia and significantly reduced both lung uptake of [18F]FEPPA and macrophage infiltrates. Conclusions. Retention of [18F]FEPPA in the lungs is well correlated with changes in blood parasitemia and lung associated macrophages during disease progression and in response to ART+CQ therapy. With further development TSPO biomarkers may have the potential to be able to accurately assess early onset of MA-ARDS.
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10
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Platelet α-granules contribute to organ-specific pathologies in a mouse model of severe malaria. Blood Adv 2021; 4:1-8. [PMID: 31891656 DOI: 10.1182/bloodadvances.2019000773] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 11/19/2019] [Indexed: 12/17/2022] Open
Abstract
Key PointsNbeal2 deficiency leads to significantly reduced lung and brain pathology and enhanced survival in a mouse model of malaria. Both antibody-dependent and antibody-independent platelet depletion in mice recapitulate the findings observed in Nbeal2−/− mice.
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11
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Pollenus E, Pham TT, Vandermosten L, Possemiers H, Knoops S, Opdenakker G, Van den Steen PE. CCR2 Is Dispensable for Disease Resolution but Required for the Restoration of Leukocyte Homeostasis Upon Experimental Malaria-Associated Acute Respiratory Distress Syndrome. Front Immunol 2021; 11:628643. [PMID: 33664739 PMCID: PMC7921736 DOI: 10.3389/fimmu.2020.628643] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 12/29/2020] [Indexed: 11/20/2022] Open
Abstract
Malaria complications are often lethal, despite efficient killing of Plasmodium parasites with antimalarial drugs. This indicates the need to study the resolution and healing mechanisms involved in the recovery from these complications. Plasmodium berghei NK65-infected C57BL/6 mice develop malaria-associated acute respiratory distress syndrome (MA-ARDS) at 8 days post infection. Antimalarial treatment was started on this day and resulted in the recovery, as measured by the disappearance of the signs of pathology, in >80% of the mice. Therefore, this optimized model represents an asset in the study of mechanisms and leukocyte populations involved in the resolution of MA-ARDS. C-C chemokine receptor type 2 (CCR2) knock-out mice were used to investigate the role of monocytes and macrophages, since these cells are described to play an important role during the resolution of other inflammatory diseases. CCR2 deficiency was associated with significantly lower numbers of inflammatory monocytes in the lungs during infection and resolution and abolished the increase in non-classical monocytes during resolution. Surprisingly, CCR2 was dispensable for the development and the resolution of MA-ARDS, since no effect of the CCR2 knock-out was observed on any of the disease parameters. In contrast, the reappearance of eosinophils and interstitial macrophages during resolution was mitigated in the lungs of CCR2 knock-out mice. In conclusion, CCR2 is required for re-establishing the homeostasis of pulmonary leukocytes during recovery. Furthermore, the resolution of malaria-induced lung pathology is mediated by unknown CCR2-independent mechanisms.
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Affiliation(s)
- Emilie Pollenus
- Laboratory of Immunoparasitology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium
| | - Thao-Thy Pham
- Laboratory of Immunoparasitology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium
| | - Leen Vandermosten
- Laboratory of Immunoparasitology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium
| | - Hendrik Possemiers
- Laboratory of Immunoparasitology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium
| | - Sofie Knoops
- Laboratory of Immunoparasitology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium
| | - Philippe E Van den Steen
- Laboratory of Immunoparasitology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, KU Leuven, University of Leuven, Leuven, Belgium
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12
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Tarique AA, Evron T, Zhang G, Tepper MA, Morshed MM, Andersen ISG, Begum N, Sly PD, Fantino E. Anti-inflammatory effects of lenabasum, a cannabinoid receptor type 2 agonist, on macrophages from cystic fibrosis. J Cyst Fibros 2020; 19:823-829. [PMID: 32387042 DOI: 10.1016/j.jcf.2020.03.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 02/12/2020] [Accepted: 03/24/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND Lenabasum is an oral synthetic cannabinoid receptor type 2 agonist previously shown to reduce the production of key airway pro-inflammatory cytokines known to play a role in cystic fibrosis (CF). In a double-blinded, randomized, placebo-control phase 2 study, lenabasum lowered the rate of pulmonary exacerbation among patients with CF. The present study was undertaken to investigate anti-inflammatory mechanisms of lenabasum exhibits in CF macrophages. METHODS We used monocyte-derived macrophages (MDMs) from healthy donors (n = 15), MDMs with CFTR inhibited with C-172 (n = 5) and MDMs from patients with CF (n = 4). Monocytes were differentiated to macrophages and polarized into classically activated (M1) macrophages by LPS or alternatively activated (M2) macrophages by IL-13 in presence or absence of lenabasum. RESULTS Lenabasum had no effect on differentiation, polarization and function of macrophages from healthy individuals. However, in CF macrophages lenabasum downregulated macrophage polarization into the pro-inflammatory M1 phenotype and secretion of the pro-inflammatory cytokines IL-8 and TNF-α in a dose-dependent manner. An improvement in phagocytic activity was also observed following lenabasum treatment. Although lenabasum did not restore the impaired polarization of anti-inflammatory M2 macrophage, it reduced the levels of IL-13 and enhanced the endocytic function of CF MDMs. The effects of lenabasum on MDMs with CFTR inhibited by C-172 were not as obvious. CONCLUSION In CF macrophages lenabasum modulates macrophage polarization and function in vitro in a way that would reduce inflammation in vivo. Further studies are warranted to determine the link between activating the CBR2 receptor and CFTR.
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Affiliation(s)
- Abdullah A Tarique
- Child Health Research Centre (CHRC), The University of Queensland, Brisbane, Australia
| | - Tama Evron
- Corbus Pharmaceuticals, Inc., Norwood, MA, USA
| | | | | | - Mohammed M Morshed
- Child Health Research Centre (CHRC), The University of Queensland, Brisbane, Australia
| | - Isabella S G Andersen
- Child Health Research Centre (CHRC), The University of Queensland, Brisbane, Australia
| | - Nelufa Begum
- Child Health Research Centre (CHRC), The University of Queensland, Brisbane, Australia
| | - Peter D Sly
- Child Health Research Centre (CHRC), The University of Queensland, Brisbane, Australia.
| | - Emmanuelle Fantino
- Child Health Research Centre (CHRC), The University of Queensland, Brisbane, Australia
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13
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Dobbs KR, Crabtree JN, Dent AE. Innate immunity to malaria-The role of monocytes. Immunol Rev 2020; 293:8-24. [PMID: 31840836 PMCID: PMC6986449 DOI: 10.1111/imr.12830] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 11/19/2019] [Accepted: 11/25/2019] [Indexed: 12/12/2022]
Abstract
Monocytes are innate immune cells essential for host protection against malaria. Upon activation, monocytes function to help reduce parasite burden through phagocytosis, cytokine production, and antigen presentation. However, monocytes have also been implicated in the pathogenesis of severe disease through production of damaging inflammatory cytokines, resulting in systemic inflammation and vascular dysfunction. Understanding the molecular pathways influencing the balance between protection and pathology is critical. In this review, we discuss recent data regarding the role of monocytes in human malaria, including studies of innate sensing of the parasite, immunometabolism, and innate immune training. Knowledge gained from these studies may guide rational development of novel antimalarial therapies and inform vaccine development.
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Affiliation(s)
- Katherine R. Dobbs
- Center for Global Health and Diseases, Case Western Reserve University, Cleveland, OH, USA
- Division of Pediatric Infectious Diseases, University Hospitals Rainbow Babies and Children’s Hospital, Cleveland, OH, USA
| | - Juliet N. Crabtree
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Arlene E. Dent
- Center for Global Health and Diseases, Case Western Reserve University, Cleveland, OH, USA
- Division of Pediatric Infectious Diseases, University Hospitals Rainbow Babies and Children’s Hospital, Cleveland, OH, USA
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14
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Endothelial Protein C Receptor Could Contribute to Experimental Malaria-Associated Acute Respiratory Distress Syndrome. J Immunol Res 2019; 2019:3105817. [PMID: 31871954 PMCID: PMC6913256 DOI: 10.1155/2019/3105817] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 09/26/2019] [Accepted: 10/16/2019] [Indexed: 12/27/2022] Open
Abstract
The severity of Plasmodium falciparum malaria is associated with parasite cytoadherence, but there is limited knowledge about the effect of parasite cytoadherence in malaria-associated acute respiratory distress syndrome (ARDS). Our objective was to evaluate the cytoadherence of infected red blood cells (iRBCs) in a murine model of ARDS and to appraise a potential function of endothelial protein C receptor (EPCR) in ARDS pathogenesis. DBA/2 mice infected with P. berghei ANKA were classified as ARDS- or hyperparasitemia- (HP-) developing mice according to respiratory parameters and parasitemia. Lungs, blood, and bronchoalveolar lavage were collected for gene expression or protein analyses. Primary cultures of microvascular lung endothelial cells from DBA/2 mice were analyzed for iRBC interactions. Lungs from ARDS-developing mice showed evidence of iRBC accumulation along with an increase in EPCR and TNF concentrations. Furthermore, TNF increased iRBC adherence in vitro. Dexamethasone-treated infected mice showed low levels of TNF and EPCR mRNA expression and, finally, decreased vascular permeability, thus protecting mice from ARDS. In conclusion, we identified that increased iRBC cytoadherence in the lungs underlies malaria-associated ARDS in DBA/2-infected mice and that inflammation increased cytoadherence capacity, suggesting a participation of EPCR and a conceivable target for drug development.
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15
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Hirako IC, Assis PA, Galvão-Filho B, Luster AD, Antonelli LR, Gazzinelli RT. Monocyte-derived dendritic cells in malaria. Curr Opin Microbiol 2019; 52:139-150. [PMID: 31542508 DOI: 10.1016/j.mib.2019.08.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 08/03/2019] [Accepted: 08/17/2019] [Indexed: 12/16/2022]
Abstract
The pathogenesis of malaria is a multifactorial syndrome associated with a deleterious inflammatory response that is responsible for many of the clinical manifestations. While dendritic cells (DCs) play a critical role in initiating acquired immunity and host resistance to infection, they also play a pathogenic role in inflammatory diseases. In our recent studies, we found in different rodent malaria models that the monocyte-derived DCs (MO-DCs) become, transiently, a main DC population in spleens and inflamed non-lymphoid organs. These studies suggest that acute infection with Plasmodium berghei promotes the differentiation of splenic monocytes into inflammatory monocytes (iMOs) and thereafter into MO-DCs that play a pathogenic role by promoting inflammation and tissue damage. The recruitment of MO-DCs to the lungs and brain are dependent on expression of CCR4 and CCR5, respectively, and expression of respective chemokine ligands in each organ. Once they reach the target organ the MO-DCs produce the CXCR3 ligands (CXCL9 and CXCL10), recruit CD8+ T cells, and produce toxic metabolites that play an important role in the development of experimental cerebral malaria (ECM) and acute respiratory distress syndrome (ARDS).
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Affiliation(s)
- Isabella C Hirako
- Fundação Oswaldo Cruz - Minas, 30190-002 Belo Horizonte, MG, Brazil; University of Massachusetts Medical School, 01605 Worcester, MA, United States
| | - Patrícia A Assis
- University of Massachusetts Medical School, 01605 Worcester, MA, United States
| | | | - Andrew D Luster
- Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Lis Rv Antonelli
- Fundação Oswaldo Cruz - Minas, 30190-002 Belo Horizonte, MG, Brazil
| | - Ricardo T Gazzinelli
- Fundação Oswaldo Cruz - Minas, 30190-002 Belo Horizonte, MG, Brazil; University of Massachusetts Medical School, 01605 Worcester, MA, United States; Plataforma de Medicina Translacional, Fundação Oswaldo Cruz, 14049-900, Ribeirão Preto, SP, Brazil.
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16
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Claser C, Nguee SYT, Balachander A, Wu Howland S, Becht E, Gunasegaran B, Hartimath SV, Lee AWQ, Theng Theng Ho J, Bing Ong C, Newell EW, Goggi J, Guan Ng L, Renia L. Lung endothelial cell antigen cross-presentation to CD8 +T cells drives malaria-associated lung injury. Nat Commun 2019; 10:4241. [PMID: 31534124 PMCID: PMC6751193 DOI: 10.1038/s41467-019-12017-8] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 08/15/2019] [Indexed: 01/08/2023] Open
Abstract
Malaria-associated acute respiratory distress syndrome (ARDS) and acute lung injury (ALI) are life-threatening manifestations of severe malaria infections. The pathogenic mechanisms that lead to respiratory complications, such as vascular leakage, remain unclear. Here, we confirm that depleting CD8+T cells with anti-CD8β antibodies in C57BL/6 mice infected with P. berghei ANKA (PbA) prevent pulmonary vascular leakage. When we transfer activated parasite-specific CD8+T cells into PbA-infected TCRβ-/- mice (devoid of all T-cell populations), pulmonary vascular leakage recapitulates. Additionally, we demonstrate that PbA-infected erythrocyte accumulation leads to lung endothelial cell cross-presentation of parasite antigen to CD8+T cells in an IFNγ-dependent manner. In conclusion, pulmonary vascular damage in ALI is a consequence of IFNγ-activated lung endothelial cells capturing, processing, and cross-presenting malaria parasite antigen to specific CD8+T cells induced during infection. The mechanistic understanding of the immunopathogenesis in malaria-associated ARDS and ALI provide the basis for development of adjunct treatments.
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Affiliation(s)
- Carla Claser
- Singapore Immunology Network (SIgN), A*STAR, 8A Biomedical Grove, Level 3 & 4 Immunos Building, Singapore, 138648, Singapore.
| | - Samantha Yee Teng Nguee
- Singapore Immunology Network (SIgN), A*STAR, 8A Biomedical Grove, Level 3 & 4 Immunos Building, Singapore, 138648, Singapore
- Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2 Blk MD4, Level 3, Singapore, 117545, Singapore
| | - Akhila Balachander
- Singapore Immunology Network (SIgN), A*STAR, 8A Biomedical Grove, Level 3 & 4 Immunos Building, Singapore, 138648, Singapore
| | - Shanshan Wu Howland
- Singapore Immunology Network (SIgN), A*STAR, 8A Biomedical Grove, Level 3 & 4 Immunos Building, Singapore, 138648, Singapore
| | - Etienne Becht
- Singapore Immunology Network (SIgN), A*STAR, 8A Biomedical Grove, Level 3 & 4 Immunos Building, Singapore, 138648, Singapore
| | - Bavani Gunasegaran
- Singapore Immunology Network (SIgN), A*STAR, 8A Biomedical Grove, Level 3 & 4 Immunos Building, Singapore, 138648, Singapore
| | - Siddesh V Hartimath
- Isotopic Molecular Imaging Laboratory, Singapore Bioimaging Consortium (SBIC), A*STAR, 11 Biopolis Way, #02-02 Helios, Singapore, 138667, Singapore
| | - Audrey W Q Lee
- Singapore Immunology Network (SIgN), A*STAR, 8A Biomedical Grove, Level 3 & 4 Immunos Building, Singapore, 138648, Singapore
| | - Jacqueline Theng Theng Ho
- Singapore Immunology Network (SIgN), A*STAR, 8A Biomedical Grove, Level 3 & 4 Immunos Building, Singapore, 138648, Singapore
| | - Chee Bing Ong
- Histolopathology/Advanced Molecular Pathology Lab, Institute of Molecular and Cell Biology (IMCB), A*STAR, 61 Biopolis Drive, Level 6 Proteos Building, Singapore, 138673, Singapore
| | - Evan W Newell
- Singapore Immunology Network (SIgN), A*STAR, 8A Biomedical Grove, Level 3 & 4 Immunos Building, Singapore, 138648, Singapore
| | - Julian Goggi
- Isotopic Molecular Imaging Laboratory, Singapore Bioimaging Consortium (SBIC), A*STAR, 11 Biopolis Way, #02-02 Helios, Singapore, 138667, Singapore
| | - Lai Guan Ng
- Singapore Immunology Network (SIgN), A*STAR, 8A Biomedical Grove, Level 3 & 4 Immunos Building, Singapore, 138648, Singapore
| | - Laurent Renia
- Singapore Immunology Network (SIgN), A*STAR, 8A Biomedical Grove, Level 3 & 4 Immunos Building, Singapore, 138648, Singapore.
- Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, 5 Science Drive 2 Blk MD4, Level 3, Singapore, 117545, Singapore.
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17
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Galvão-Filho B, de Castro JT, Figueiredo MM, Rosmaninho CG, Antonelli LRDV, Gazzinelli RT. The emergence of pathogenic TNF/iNOS producing dendritic cells (Tip-DCs) in a malaria model of acute respiratory distress syndrome (ARDS) is dependent on CCR4. Mucosal Immunol 2019; 12:312-322. [PMID: 30337650 PMCID: PMC6375779 DOI: 10.1038/s41385-018-0093-5] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 09/02/2018] [Accepted: 09/10/2018] [Indexed: 02/04/2023]
Abstract
Malaria-associated acute respiratory distress syndrome (MA-ARDS) and acute lung injury (ALI) are complications that cause lung damage and often leads to death. The MA-ARDS/ALI is associated with a Type 1 inflammatory response mediated by T lymphocytes and IFN-γ. Here, we used the Plasmodium berghei NK65 (PbN)-induced MA-ALI/ARDS model that resembles human disease and confirmed that lung CD4+ and CD8+ T cells predominantly expressed Tbet and IFN-γ. Surprisingly, we found that development of MA-ALI/ARDS was dependent on functional CCR4, known to mediate the recruitment of Th2 lymphocytes and regulatory T cells. However, in this Type 1 inflammation-ARDS model, CCR4 was not involved in the recruitment of T lymphocytes, but was required for the emergence of TNF-α/iNOS producing dendritic cells (Tip-DCs) in the lungs. In contrast, recruitment of Tip-DCs and development of MA-ALI/ARDS were not altered in CCR2-/- mice. Importantly, we showed that NOS2-/- mice are resistant to PbN-induced lung damage, indicating that reactive nitrogen species produced by Tip-DCs play an essential role in inducing MA-ARDS/ALI. Lastly, our experiments suggest that production of IFN-γ primarily by CD8+ T cells is required for inducing Tip-DCs differentiation in the lungs and the development of MA-ALI/ARDS model.
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Affiliation(s)
- Bruno Galvão-Filho
- Departamento de Bioquímica e Imunologia, ICB, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil,Laboratório de Imunopatologia, Instituto Rene Rachou, Fundação Oswaldo Cruz –Minas, 30190-002, Belo Horizonte, MG, Brazil
| | - Júlia Teixeira de Castro
- Laboratório de Imunopatologia, Instituto Rene Rachou, Fundação Oswaldo Cruz –Minas, 30190-002, Belo Horizonte, MG, Brazil
| | - Maria Marta Figueiredo
- Laboratório de Imunopatologia, Instituto Rene Rachou, Fundação Oswaldo Cruz –Minas, 30190-002, Belo Horizonte, MG, Brazil
| | - Claudio Gonçalves Rosmaninho
- Laboratório de Imunopatologia, Instituto Rene Rachou, Fundação Oswaldo Cruz –Minas, 30190-002, Belo Horizonte, MG, Brazil
| | - Lis Ribeiro do Valle Antonelli
- Departamento de Bioquímica e Imunologia, ICB, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, MG, Brazil,Laboratório de Biologia e Imunologia de Doenças Infecciosas e Parasitárias, Instituto Rene Rachou, FIOCRUZ-MG, 30190-002, Belo Horizonte, MG, Brazil
| | - Ricardo Tostes Gazzinelli
- Laboratório de Imunopatologia, Instituto Rene Rachou, Fundação Oswaldo Cruz –Minas, 30190-002, Belo Horizonte, MG, Brazil,Department of Medicine, University of Massachusetts Medical School, 01605, Worcester, MA, USA,Plataforma de Medicinal Translacional-Fundação Oswaldo Cruz/Faculdade de Medicina de Ribeirão Preto-Universidade de São Paulo, 14049-900, Ribeirão Preto, SP, Brazil
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18
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Niewold P, Cohen A, van Vreden C, Getts DR, Grau GE, King NJC. Experimental severe malaria is resolved by targeting newly-identified monocyte subsets using immune-modifying particles combined with artesunate. Commun Biol 2018; 1:227. [PMID: 30564748 PMCID: PMC6292940 DOI: 10.1038/s42003-018-0216-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Accepted: 10/31/2018] [Indexed: 12/29/2022] Open
Abstract
Current treatment of severe malaria and associated cerebral malaria (CM) and respiratory distress syndromes are directed primarily at the parasite. Targeting the parasite has only partial efficacy in advanced infection, as neurological damage and respiratory distress are due to accumulation of host blood cells in the brain microvasculature and lung interstitium. Here, computational analysis identifies Ly6Clo monocytes as a major component of the immune infiltrate in both organs in a preclinical mouse model. Specifically targeting Ly6Clo monocyte precursors, identified by adoptive transfer, with immune-modifying particles (IMP) prevents experimental CM (ECM) in 50% of Plasmodium berghei ANKA-infected mice in early treatment protocols. Furthermore, treatment at onset of clinical ECM with 2 doses of a novel combination of IMP and anti-malarial drug artesunate results in 88% survival. This combination confers protection against ECM and mortality in late stage severe experimental malaria and provides a viable advance on current treatment regimens.
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Affiliation(s)
- Paula Niewold
- 1Viral Immunopathology, Discipline of Pathology and Bosch Institute, School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Camperdown, NSW 2050 Australia
| | - Amy Cohen
- 2Vascular Immunology Unit, Discipline of Pathology and Bosch Institute, School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Camperdown, NSW 2050 Australia
| | - Caryn van Vreden
- 3Sydney Cytometry, The University of Sydney and The Centenary Institute, Camperdown, NSW 2050 Australia
| | - Daniel R Getts
- 4Department of Microbiology-Immunology and Interdepartmental Immunobiology Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611 USA.,TcR2, Therapeutics, 100 Binney Street, Suite 710, Cambridge, MA 02142 USA
| | - Georges E Grau
- 2Vascular Immunology Unit, Discipline of Pathology and Bosch Institute, School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Camperdown, NSW 2050 Australia
| | - Nicholas J C King
- 1Viral Immunopathology, Discipline of Pathology and Bosch Institute, School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Camperdown, NSW 2050 Australia.,3Sydney Cytometry, The University of Sydney and The Centenary Institute, Camperdown, NSW 2050 Australia
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19
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Ortega-Pajares A, Rogerson SJ. The Rough Guide to Monocytes in Malaria Infection. Front Immunol 2018; 9:2888. [PMID: 30581439 PMCID: PMC6292935 DOI: 10.3389/fimmu.2018.02888] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 11/26/2018] [Indexed: 12/14/2022] Open
Abstract
While half of the world's population is at risk of malaria, the most vulnerable are still children under five, pregnant women and returning travelers. Anopheles mosquitoes transmit malaria parasites to the human host; but how Plasmodium interact with the innate immune system remains largely unexplored. The most recent advances prove that monocytes are a key component to control parasite burden and to protect host from disease. Monocytes' protective roles include phagocytosis, cytokine production and antigen presentation. However, monocytes can be involved in pathogenesis and drive inflammation and sequestration of infected red blood cells in organs such as the brain, placenta or lungs by secreting cytokines that upregulate expression of endothelial adhesion receptors. Plasmodium DNA, hemozoin or extracellular vesicles can impair the function of monocytes. With time, reinfections with Plasmodium change the relative proportion of monocyte subsets and their physical properties. These changes relate to clinical outcomes and might constitute informative biomarkers of immunity. More importantly, at the molecular level, transcriptional, metabolic or epigenetic changes can “prime” monocytes to alter their responses in future encounters with Plasmodium. This mechanism, known as trained immunity, challenges the traditional view of monocytes as a component of the immune system that lacks memory. Overall, this rough guide serves as an update reviewing the advances made during the past 5 years on understanding the role of monocytes in innate immunity to malaria.
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Affiliation(s)
- Amaya Ortega-Pajares
- Department of Medicine at Royal Melbourne Hospital, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
| | - Stephen J Rogerson
- Department of Medicine at Royal Melbourne Hospital, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
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Adamson SXF, Wang R, Wu W, Cooper B, Shannahan J. Metabolomic insights of macrophage responses to graphene nanoplatelets: Role of scavenger receptor CD36. PLoS One 2018; 13:e0207042. [PMID: 30403754 PMCID: PMC6221354 DOI: 10.1371/journal.pone.0207042] [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] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 10/23/2018] [Indexed: 12/12/2022] Open
Abstract
Graphene nanoplatelets (GNPs) are novel two-dimensional engineered nanomaterials consisting of planar stacks of graphene. Although human exposures are increasing, our knowledge is lacking regarding immune-specific responses to GNPs and mechanisms of interactions. Our current study utilizes a metabolite profiling approach to evaluate macrophage responses to GNPs. Furthermore, we assessed the role of the scavenger receptor CD36 in mediating these GNP-induced responses. GNPs were purchased with dimensions of 2 μm × 2 μm × 12 nm. Macrophages were exposed to GNPs at different concentrations of 0, 25, 50, or 100 μg/ml for 1, 3, or 6 h. Following exposure, no cytotoxicity was observed, while GNPs readily associated with macrophages in a concentration-dependent manner. After the 1h-pretreatment of either a CD36 competitive ligand sulfo-N-succinimidyl oleate (SSO) or a CD36 specific antibody, the cellular association of GNPs by macrophages was significantly reduced. GNP exposure was determined to alter mitochondrial membrane potential while the pretreatment with a CD36 antibody inhibited these changes. In a separate exposure, macrophages were exposed to GNPs at concentrations of 0, 50, or 100 μg/mL for 1 or 3h or 100 μM SSO (a CD36 specific ligand) for 1h and collected for metabolite profiling. Principal component analysis of identified compounds determined differential grouping based on exposure conditions. The number of compounds changed following exposure was determined to be both concentration- and time-dependent. Identified metabolites were determined to relate to several metabolism pathways such as glutathione metabolism, Pantothenate and CoA biosynthesis, Sphingolipid metabolism, Purine metabolism, arachidonic acid metabolism and others. Lastly, a number of metabolites were found in common between cells exposed to the CD36 receptor ligand, SSO, and GNPs suggesting both CD36-dependent and independent responses to GNP exposure. Together our data demonstrates GNP-macrophage interactions, the role of CD36 in the cellular response, and metabolic pathways disrupted due to exposure.
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Affiliation(s)
| | - Ruoxing Wang
- School of Industrial Engineering, Purdue University, West Lafayette, IN, United States of America
| | - Wenzhuo Wu
- School of Industrial Engineering, Purdue University, West Lafayette, IN, United States of America
| | - Bruce Cooper
- Metabolite Profiling Facility in Bindley Biosciences Center, Discovery Park, Purdue University, West Lafayette, IN, United States of America
| | - Jonathan Shannahan
- School of Health Sciences, Purdue University, West Lafayette, IN, United States of America
- * E-mail:
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21
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Vandermosten L, Pham TT, Possemiers H, Knoops S, Van Herck E, Deckers J, Franke-Fayard B, Lamb TJ, Janse CJ, Opdenakker G, Van den Steen PE. Experimental malaria-associated acute respiratory distress syndrome is dependent on the parasite-host combination and coincides with normocyte invasion. Malar J 2018; 17:102. [PMID: 29506544 PMCID: PMC5839036 DOI: 10.1186/s12936-018-2251-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 02/27/2018] [Indexed: 12/13/2022] Open
Abstract
Background Malaria-associated acute respiratory distress syndrome (MA-ARDS) is a complication of malaria with a lethality rate of up to 80% despite anti-malarial treatment. It is characterized by a vast infiltration of leukocytes, microhaemorrhages and vasogenic oedema in the lungs. Previously, a mouse model for MA-ARDS was developed by infection of C57BL/6 mice with the Edinburgh line NK65-E of Plasmodium berghei. Results Here, both host and parasite factors were demonstrated to play crucial roles in the development and severity of lung pathology. In particular, the genetic constitution of the host was an important determinant in the development of MA-ARDS. Both male and female C57BL/6, but not BALB/c, mice developed MA-ARDS when infected with P. berghei NK65-E. However, the New York line of P. berghei NK65 (NK65-NY) did not induce demonstrable MA-ARDS, despite its accumulation in the lungs and fat tissue to a similar or even higher extent as P. berghei NK65-E. These two commonly used lines of P. berghei differ in their red blood cell preference. P. berghei NK65-NY showed a stronger predilection for reticulocytes than P. berghei NK65-E and this appeared to be associated with a lower pathogenicity in the lungs. The pulmonary pathology in the C57BL/6/P. berghei NK65-E model was more pronounced than in the model with infection of DBA/2 mice with P. berghei strain ANKA. The transient lung pathology in DBA/2 mice infected with P. berghei ANKA coincided with the infection phase in which parasites mainly infected normocytes. This phase was followed by a less pathogenic phase in which P. berghei ANKA mainly infected reticulocytes. Conclusions The propensity of mice to develop MA-ARDS during P. berghei infection depends on both host and parasite factors and appears to correlate with RBC preference. These data provide insights in induction of MA-ARDS and may guide the choice of different mouse-parasite combinations to study lung pathology.
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Affiliation(s)
- Leen Vandermosten
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of Leuven, Herestraat 49, box 1044, 3000, Leuven, Belgium
| | - Thao-Thy Pham
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of Leuven, Herestraat 49, box 1044, 3000, Leuven, Belgium
| | - Hendrik Possemiers
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of Leuven, Herestraat 49, box 1044, 3000, Leuven, Belgium
| | - Sofie Knoops
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of Leuven, Herestraat 49, box 1044, 3000, Leuven, Belgium
| | - Evelien Van Herck
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of Leuven, Herestraat 49, box 1044, 3000, Leuven, Belgium
| | - Julie Deckers
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of Leuven, Herestraat 49, box 1044, 3000, Leuven, Belgium.,Laboratory of Immunoregulation, VIB Center for Inflammation Research, Department of Internal Medicine, Ghent University, Technologiepark 927, 9052, Ghent, Belgium
| | - Blandine Franke-Fayard
- Leiden Malaria Research Group, Department of Parasitology, Leiden University Medical Center (LUMC), Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Tracey J Lamb
- Department of Pathology, University of Utah, 15 N Medical Drive E, Salt Lake City, UT, 84112, USA
| | - Chris J Janse
- Leiden Malaria Research Group, Department of Parasitology, Leiden University Medical Center (LUMC), Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of Leuven, Herestraat 49, box 1044, 3000, Leuven, Belgium
| | - Philippe E Van den Steen
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of Leuven, Herestraat 49, box 1044, 3000, Leuven, Belgium.
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22
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Nakayama M. Macrophage Recognition of Crystals and Nanoparticles. Front Immunol 2018; 9:103. [PMID: 29434606 PMCID: PMC5796913 DOI: 10.3389/fimmu.2018.00103] [Citation(s) in RCA: 103] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 01/12/2018] [Indexed: 12/26/2022] Open
Abstract
Inhalation of exogenous crystals such as silica, asbestos, and carbon nanotubes can cause lung fibrosis and cancer. Endogenous crystals such as monosodium urate, cholesterol, and hydroxyapatite are associated with pathogenesis of gout, atherosclerosis, and osteoarthritis, respectively. These crystal-associated-inflammatory diseases are triggered by the macrophage NLRP3 inflammasome activation and cell death. Therefore, it is important to understand how macrophages recognize crystals. However, it is unlikely that macrophages have evolutionally acquired receptors specific for crystals or recently emerged nanoparticles. Several recent studies have reported that some crystal particles are negatively charged and are recognized by scavenger receptor family members in a charge-dependent manner. Alternatively, a model for receptor-independent phagocytosis of crystals has also been proposed. This review focuses on the mechanisms by which macrophages recognize crystals and nanoparticles.
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Affiliation(s)
- Masafumi Nakayama
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai, Japan.,PRESTO, Japan Science and Technology Agency, Kawaguchi, Japan
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23
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Zielińska KA, de Cauwer L, Knoops S, Van der Molen K, Sneyers A, Thommis J, De Souza JB, Opdenakker G, De Bosscher K, Van den Steen PE. Plasmodium berghei NK65 in Combination with IFN-γ Induces Endothelial Glucocorticoid Resistance via Sustained Activation of p38 and JNK. Front Immunol 2017; 8:1199. [PMID: 29033931 PMCID: PMC5625030 DOI: 10.3389/fimmu.2017.01199] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 09/11/2017] [Indexed: 01/25/2023] Open
Abstract
Malaria-associated acute respiratory distress syndrome (MA-ARDS) is an often lethal complication of malaria. Currently, no adequate therapy for this syndrome exists. Although glucocorticoids (GCs) have been used to improve clinical outcome of ARDS, their therapeutic benefits remain unclear. We previously developed a mouse model of MA-ARDS, in which dexamethasone treatment revealed GC resistance. In the present study, we investigated GC sensitivity of mouse microvascular lung endothelial cells stimulated with interferon-γ (IFN-γ) and Plasmodium berghei NK65 (PbNK65). Upon challenge with IFN-γ alone, dexamethasone inhibited the expression of CCL5 (RANTES) by 90% and both CCL2 (MCP-1) and CXCL10 (IP-10) by 50%. Accordingly, whole transcriptome analysis revealed that dexamethasone differentially affected several gene clusters and in particular inhibited a large cluster of IFN-γ-induced genes, including chemokines. In contrast, combined stimulation with IFN-γ and PbNK65 extract impaired inhibitory actions of GCs on chemokine release, without affecting the capacity of the GC receptor to accumulate in the nucleus. Subsequently, we investigated the effects of GCs on two signaling pathways activated by IFN-γ. Dexamethasone left phosphorylation and protein levels of signal transducer and activator of transcription 1 (STAT1) unhampered. In contrast, dexamethasone inhibited the IFN-γ-induced activation of two mitogen-activated protein kinases (MAPK), JNK, and p38. However, PbNK65 extract abolished the inhibitory effects of GCs on MAPK signaling, inducing GC resistance. These data provide novel insights into the mechanisms of GC actions in endothelial cells and show how malaria may impair the beneficial effects of GCs.
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Affiliation(s)
- Karolina A Zielińska
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Lode de Cauwer
- Receptor Research Laboratories, Nuclear Receptor Lab, VIB-UGent Center for Medical Biotechnology, Ghent, Belgium
| | - Sofie Knoops
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Kristof Van der Molen
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Alexander Sneyers
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Jonathan Thommis
- Receptor Research Laboratories, Nuclear Receptor Lab, VIB-UGent Center for Medical Biotechnology, Ghent, Belgium
| | - J Brian De Souza
- Faculty of Infectious and Tropical Diseases, Department of Immunology and Infection, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
| | - Karolien De Bosscher
- Receptor Research Laboratories, Nuclear Receptor Lab, VIB-UGent Center for Medical Biotechnology, Ghent, Belgium
| | - Philippe E Van den Steen
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
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24
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Pham TT, Verheijen M, Vandermosten L, Deroost K, Knoops S, Van den Eynde K, Boon L, Janse CJ, Opdenakker G, Van den Steen PE. Pathogenic CD8 + T Cells Cause Increased Levels of VEGF-A in Experimental Malaria-Associated Acute Respiratory Distress Syndrome, but Therapeutic VEGFR Inhibition Is Not Effective. Front Cell Infect Microbiol 2017; 7:416. [PMID: 29034214 PMCID: PMC5627041 DOI: 10.3389/fcimb.2017.00416] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 09/06/2017] [Indexed: 12/29/2022] Open
Abstract
Malaria is a severe disease and kills over 400,000 people each year. Malarial complications are the main cause of death and include cerebral malaria and malaria-associated acute respiratory distress syndrome (MA-ARDS). Despite antimalarial treatment, lethality rates of MA-ARDS are still between 20 and 80%. Patients develop pulmonary edema with hemorrhages and leukocyte extravasation in the lungs. The vascular endothelial growth factor-A (VEGF-A) and the placental growth factor (PlGF) are vascular permeability factors and may be involved in the disruption of the alveolar-capillary membrane, leading to alveolar edema. We demonstrated increased pulmonary VEGF-A and PlGF levels in lungs of mice with experimental MA-ARDS. Depletion of pathogenic CD8+ T cells blocked pulmonary edema and abolished the increase of VEGF-A and PlGF. However, neutralization of VEGF receptor-2 (VEGFR-2) with the monoclonal antibody clone DC101 did not decrease pulmonary pathology. The broader spectrum receptor tyrosine kinase inhibitor sunitinib even increased lung pathology. These data suggest that the increase in alveolar VEGF-A and PlGF is not a cause but rather a consequence of the pulmonary pathology in experimental MA-ARDS and that therapeutic inhibition of VEGF receptors is not effective and even contra-indicated.
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Affiliation(s)
- Thao-Thy Pham
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of LeuvenLeuven, Belgium
| | - Melissa Verheijen
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of LeuvenLeuven, Belgium
| | - Leen Vandermosten
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of LeuvenLeuven, Belgium
| | - Katrien Deroost
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of LeuvenLeuven, Belgium
| | - Sofie Knoops
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of LeuvenLeuven, Belgium
| | | | | | - Chris J Janse
- Leiden Malaria Research Group, Department of Parasitology, Leiden University Medical CenterLeiden, Netherlands
| | - Ghislain Opdenakker
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of LeuvenLeuven, Belgium
| | - Philippe E Van den Steen
- Laboratory of Immunobiology, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven-University of LeuvenLeuven, Belgium
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25
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Dehn S, Thorp EB. Myeloid receptor CD36 is required for early phagocytosis of myocardial infarcts and induction of Nr4a1-dependent mechanisms of cardiac repair. FASEB J 2017; 32:254-264. [PMID: 28860151 DOI: 10.1096/fj.201700450r] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 08/21/2017] [Indexed: 12/20/2022]
Abstract
Phagocytosis after myocardial infarction (MI) is a prerequisite to cardiac repair. Recruited monocytes clear necrotic cardiomyocytes and differentiate into cardiac macrophages. Some studies have linked apoptotic cell receptors on cardiac macrophages to tissue repair; however, the contribution of precursor monocyte phagocytic receptors, which are the first to interact with the cardiac parenchyma, is unclear. The scavenger receptor cluster of differentiation (CD)36 protein was detected on cardiac Ly6cHI monocytes, and bone marrow-derived Cd36 was essential for both early phagocytosis of dying cardiomyocytes and for smaller infarct sizes in female and male mice after permanent coronary ligation. Cd36 deficiency led to reduced expression of phagocytosis receptor Mertk and nuclear receptor Nr4a1 in cardiac macrophages, the latter previously shown to be required for phagocyte survival. Nr4a1 was required for phagocytosis-induced Mertk expression, and Nr4a1 protein directly bound to Mertk gene regulatory elements. To test the overall contribution of the Cd36-Mertk axis, MI was induced in Cd36-/- Mertk-/- double-knockout mice and led to increases in myocardial rupture. These data implicate monocyte CD36 in the mitigation of early infarct size and transition to Mertk-dependent macrophage function. Increased myocardial rupture in the absence of both Cd36 and Mertk underscore the physiologic significance of phagocytosis during tissue injury.-Dehn, S., Thorp, E. B. Myeloid receptor CD36 is required for early phagocytosis of myocardial infarcts and induction of Nr4a1-dependent mechanisms of cardiac repair.
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Affiliation(s)
- Shirley Dehn
- Department of Pathology and.,Feinberg Cardiovascular Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
| | - Edward B Thorp
- Department of Pathology and .,Feinberg Cardiovascular Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA
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26
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Craig JM, Scott AL. Antecedent Nippostrongylus infection alters the lung immune response to Plasmodium berghei. Parasite Immunol 2017; 39. [PMID: 28475238 DOI: 10.1111/pim.12441] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2016] [Accepted: 04/25/2017] [Indexed: 12/13/2022]
Abstract
In endemic regions, it is not uncommon for patients to be co-infected with soil-transmitted helminths and malaria. Although both malaria and many helminth species use the lungs as a site of development, little attention has been paid to the impact that pulmonary immunity induced by one parasite has on the lung response to the other. To model the consequences of a prior hookworm exposure on the development of immunity to malaria in the lungs, mice were infected with Nippostrongylus brasiliensis and 2 weeks later challenged with Plasmodium berghei. We found that a pre-existing hookworm-induced type 2 immune environment had a measurable but modest impact on the nature of the malaria-driven type 1 cytokine response in the lungs that was associated with a transient effect on parasite development and no significant changes in morbidity and mortality after malaria infection. However, prior hookworm infection did have a lasting effect on lung macrophages, where the malaria-induced M1-like response was blunted by previous M2 polarization. These results demonstrate that, although helminth parasites confer robust changes to the immunological status of the pulmonary microenvironment, lung immunity is plastic and capable of rapidly adapting to consecutive heterologous infections.
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Affiliation(s)
- J M Craig
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - A L Scott
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
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27
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Cunningham DA, Lin JW, Brugat T, Jarra W, Tumwine I, Kushinga G, Ramesar J, Franke-Fayard B, Langhorne J. ICAM-1 is a key receptor mediating cytoadherence and pathology in the Plasmodium chabaudi malaria model. Malar J 2017; 16:185. [PMID: 28468674 PMCID: PMC5415785 DOI: 10.1186/s12936-017-1834-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Accepted: 04/25/2017] [Indexed: 02/07/2023] Open
Abstract
Background Parasite cytoadherence within the microvasculature of tissues and organs of infected individuals is implicated in the pathogenesis of several malaria syndromes. Multiple host receptors may mediate sequestration. The identity of the host receptor(s), or the parasite ligand(s) responsible for sequestration of Plasmodium species other than Plasmodium falciparum is largely unknown. The rodent malaria parasites may be useful to model interactions of parasite species, which lack the var genes with their respective hosts, as other multigene families are shared between the species. The role of the endothelial receptors ICAM-1 and CD36 in cytoadherence and in the development of pathology was investigated in a Plasmodium chabaudi infection in C57BL/6 mice lacking these receptors. The schizont membrane-associated cytoadherence (SMAC) protein of Plasmodium berghei has been shown to exhibit reduced CD36-associated cytoadherence in P. berghei ANKA-infected mice. Methods Parasite tissue sequestration and the development of acute stage pathology in P. chabaudi infections of mice lacking CD36 or ICAM-1, their respective wild type controls, and in infections with mutant P. chabaudi parasites lacking the smac gene were compared. Peripheral blood parasitaemia, red blood cell numbers and weight change were monitored throughout the courses of infection. Imaging of bioluminescent parasites in isolated tissues (spleen, lungs, liver, kidney and gut) was used to measure tissue parasite load. Results This study shows that neither the lack of CD36 nor the deletion of the smac gene from P. chabaudi significantly impacted on acute-stage pathology or parasite sequestration. By contrast, in the absence of ICAM-1, infected animals experience less anaemia and weight loss, reduced parasite accumulation in both spleen and liver and higher peripheral blood parasitaemia during acute stage malaria. The reduction in parasite tissue sequestration in infections of ICAM-1 null mice is maintained after mosquito transmission. Conclusions These results indicate that ICAM-1-mediated cytoadherence is important in the P. chabaudi model of malaria and suggest that for rodent malarias, as for P. falciparum, there may be multiple host and parasite molecules involved in sequestration. Electronic supplementary material The online version of this article (doi:10.1186/s12936-017-1834-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | - Jing-Wen Lin
- The Francis Crick Institute, London, NW1 1AT, UK
| | | | | | | | | | - Jai Ramesar
- Leiden Malaria Research Group, Leiden University Medical Center, 2333 ZA, Leiden, The Netherlands
| | - Blandine Franke-Fayard
- Leiden Malaria Research Group, Leiden University Medical Center, 2333 ZA, Leiden, The Netherlands
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Thylur RP, Wu X, Gowda NM, Punnath K, Neelgund SE, Febbraio M, Gowda DC. CD36 receptor regulates malaria-induced immune responses primarily at early blood stage infection contributing to parasitemia control and resistance to mortality. J Biol Chem 2017; 292:9394-9408. [PMID: 28416609 DOI: 10.1074/jbc.m117.781294] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 04/12/2017] [Indexed: 12/31/2022] Open
Abstract
In malaria, CD36 plays several roles, including mediating parasite sequestration to host organs, phagocytic clearance of parasites, and regulation of immunity. Although the functions of CD36 in parasite sequestration and phagocytosis have been clearly defined, less is known about its role in malaria immunity. Here, to understand the function of CD36 in malaria immunity, we studied parasite growth, innate and adaptive immune responses, and host survival in WT and Cd36-/- mice infected with a non-lethal strain of Plasmodium yoelii Compared with Cd36-/- mice, WT mice had lower parasitemias and were resistant to death. At early but not at later stages of infection, WT mice had higher circulatory proinflammatory cytokines and lower anti-inflammatory cytokines than Cd36-/- mice. WT mice showed higher frequencies of proinflammatory cytokine-producing and lower frequencies of anti-inflammatory cytokine-producing dendritic cells (DCs) and natural killer cells than Cd36-/- mice. Cytokines produced by co-cultures of DCs from infected mice and ovalbumin-specific, MHC class II-restricted α/β (OT-II) T cells reflected CD36-dependent DC function. WT mice also showed increased Th1 and reduced Th2 responses compared with Cd36-/- mice, mainly at early stages of infection. Furthermore, in infected WT mice, macrophages and neutrophils expressed higher levels of phagocytic receptors and showed enhanced phagocytosis of parasite-infected erythrocytes than those in Cd36-/- mice in an IFN-γ-dependent manner. However, there were no differences in malaria-induced humoral responses between WT and Cd36-/- mice. Overall, the results show that CD36 plays a significant role in controlling parasite burden by contributing to proinflammatory cytokine responses by DCs and natural killer cells, Th1 development, phagocytic receptor expression, and phagocytic activity.
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Affiliation(s)
- Ramesh P Thylur
- From the Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania 17033 and
| | - Xianzhu Wu
- From the Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania 17033 and
| | - Nagaraj M Gowda
- From the Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania 17033 and
| | - Kishore Punnath
- From the Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania 17033 and
| | - Shivayogeeshwara E Neelgund
- From the Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania 17033 and
| | - Maria Febbraio
- the Department of Dentistry, University of Alberta, Edmonton, Alberta T6G 2E1, Canada
| | - D Channe Gowda
- From the Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania 17033 and
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29
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Soni R, Sharma D, Rai P, Sharma B, Bhatt TK. Signaling Strategies of Malaria Parasite for Its Survival, Proliferation, and Infection during Erythrocytic Stage. Front Immunol 2017; 8:349. [PMID: 28400771 PMCID: PMC5368685 DOI: 10.3389/fimmu.2017.00349] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Accepted: 03/10/2017] [Indexed: 12/22/2022] Open
Abstract
Irrespective of various efforts, malaria persist the most debilitating effect in terms of morbidity and mortality. Moreover, the existing drugs are also vulnerable to the emergence of drug resistance. To explore the potential targets for designing the most effective antimalarial therapies, it is required to focus on the facts of biochemical mechanism underlying the process of parasite survival and disease pathogenesis. This review is intended to bring out the existing knowledge about the functions and components of the major signaling pathways such as kinase signaling, calcium signaling, and cyclic nucleotide-based signaling, serving the various aspects of the parasitic asexual stage and highlighted the Toll-like receptors, glycosylphosphatidylinositol-mediated signaling, and molecular events in cytoadhesion, which elicit the host immune response. This discussion will facilitate a look over essential components for parasite survival and disease progression to be implemented in discovery of novel antimalarial drugs and vaccines.
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Affiliation(s)
- Rani Soni
- Department of Biotechnology, School of Life sciences, Central University of Rajasthan , Ajmer , India
| | - Drista Sharma
- Department of Biotechnology, School of Life sciences, Central University of Rajasthan , Ajmer , India
| | - Praveen Rai
- Department of Biotechnology, School of Life sciences, Central University of Rajasthan , Ajmer , India
| | - Bhaskar Sharma
- Department of Biotechnology, School of Life sciences, Central University of Rajasthan , Ajmer , India
| | - Tarun K Bhatt
- Department of Biotechnology, School of Life sciences, Central University of Rajasthan , Ajmer , India
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Tsugita M, Morimoto N, Tashiro M, Kinoshita K, Nakayama M. SR-B1 Is a Silica Receptor that Mediates Canonical Inflammasome Activation. Cell Rep 2017; 18:1298-1311. [DOI: 10.1016/j.celrep.2017.01.004] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 12/13/2016] [Accepted: 01/03/2017] [Indexed: 12/31/2022] Open
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Brugat T. Editorial: CD36: Russian roulette of host and parasites during malaria infection. J Leukoc Biol 2016; 99:643-5. [PMID: 27130887 DOI: 10.1189/jlb.4ce1115-494r] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Accepted: 11/23/2015] [Indexed: 11/24/2022] Open
Affiliation(s)
- Thibaut Brugat
- Mill Hill Laboratory, Francis Crick Institute, London, United Kingdom http://www.twitter.com/@TheCrick
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