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Louise V, Machado BAA, Pontes WM, Menezes TP, Dias FCR, Ervilhas LOG, Pinto KMDC, Talvani A. Theracurmin Modulates Cardiac Inflammation in Experimental Model of Trypanosoma cruzi Infection. Trop Med Infect Dis 2023; 8:343. [PMID: 37505639 PMCID: PMC10384540 DOI: 10.3390/tropicalmed8070343] [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: 06/03/2023] [Revised: 06/23/2023] [Accepted: 06/26/2023] [Indexed: 07/29/2023] Open
Abstract
Theracurmin is a nanoparticle formulation derived from curcumin, a bioactive compound known for its antioxidant and anti-inflammatory properties. Trypanosoma cruzi, the etiological agent of Chagas disease, triggers an intense inflammatory response in mammals and also causes severe tissue damage. To evaluate the immunomodulatory and antiparasitic effects of Theracurmin, Swiss mice were experimentally infected with 103 trypomastigote forms of the Colombian strain of T. cruzi and submitted to daily therapy with 30 mg/kg of Theracurmin. In addition, daily benznidazole therapy (100 mg/kg) was performed as a positive control. We evaluated the systemic and tissue parasitism, the survival and the body mass rate, the release of inflammatory mediators (TNF, IL-6, IL-15, CCL2 and creatine kinase) and the tissue inflammation at day 30 post-infection. Theracurmin therapy reduced the parasitemia curve without altering the animals' survival rate, and it protected mice from losing body mass. Theracurmin also reduced CCL2 in cardiac tissue, IL-15 in cardiac and skeletal tissue, and plasma CK. Even without effects on TNF and IL-6 production and tissue amastigote nests, Theracurmin reduced the leukocyte infiltrate in both evaluated tissues, even in the case of more effective results observed to the benznidazole treatment. Our data suggest Theracurmin has an immunomodulatory (CCL2, IL-15, CK and tissue leukocyte infiltration) and a trypanocidal effect (on circulating parasites) during experimental infection triggered by the Colombian strain of T. cruzi. Further investigations are necessary to comprehend the Theracurmin role performed in combination with benznidazole or other potential anti-T. cruzi chemical compounds.
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Affiliation(s)
- Vitória Louise
- Health and Nutrition Post-Graduate Program, Federal University of Ouro Preto, Ouro Preto 35402-145, Minas Gerais, Brazil
| | | | - Washington Martins Pontes
- Health and Nutrition Post-Graduate Program, Federal University of Ouro Preto, Ouro Preto 35402-145, Minas Gerais, Brazil
| | - Tatiana Prata Menezes
- Health and Nutrition Post-Graduate Program, Federal University of Ouro Preto, Ouro Preto 35402-145, Minas Gerais, Brazil
| | | | | | | | - André Talvani
- Health and Nutrition Post-Graduate Program, Federal University of Ouro Preto, Ouro Preto 35402-145, Minas Gerais, Brazil
- Infectology and Tropical Medicine Post-Graduate Program, Federal University of Minas Gerais, Belo Horizonte 30130-100, Minas Gerais, Brazil
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2
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Leroux M, Bouazizi-Ben Messaoud H, Luquain-Costaz C, Jordheim LP, Le Faouder P, Gustin MP, Aoun K, Lawton P, Azzouz-Maache S, Delton I. Enriched PUFA environment of Leishmania infantum promastigotes promotes the accumulation of lipid mediators and favors parasite infectivity towards J774 murine macrophages. Lipids 2023; 58:81-92. [PMID: 36544247 DOI: 10.1002/lipd.12365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 10/28/2022] [Accepted: 11/12/2022] [Indexed: 12/24/2022]
Abstract
Leishmania parasites are the causative agents of visceral or cutaneous leishmaniasis in humans and of canine leishmaniosis. The macrophage is the predilected host cell of Leishmania in which the promastigote stage is transformed into amastigote. We previously showed changes in the fatty acid composition (FA) of lipids in two strains of Leishmania donovani upon differentiation of promastigote to amastigote, including increased proportions of arachidonic acid (AA) and to a less extent of docosahexaenoic acid (DHA). Here, we carried out supplementation with AA or DHA on two Leishmania infantum strains, a visceral (MON-1) and a cutaneous (MON-24), to evaluate the role of these FA in parasite/macrophage interactions. The proportions of AA or DHA in total lipids were significantly increased in promastigotes cultured in AA- or DHA-supplemented media compared to controls. The content of FA-derived oxygenated metabolites was enhanced in supplemented strains, generating especially epoxyeicosatrienoic acids (11,12- and 14,15-EET) and hydroxyeicosatetraenoic acids (5- and 8- HETE) from AA, and hydroxydocosahexaenoic acids (14- and 17-HDoHE) from DHA. For both MON-1 and MON-24, AA-supplemented promastigotes showed higher infectivity towards J774 macrophages as evidenced by higher intracellular amastigote numbers. Higher infectivity was observed after DHA supplementation for MON-24 but not MON-1 strain. ROS production by macrophages increased upon parasite infection, but only minor change was observed between control and supplemented parasites. We propose that under high AA or DHA environment that is associated with AA or DHA enrichment of promastigote lipids, FA derivatives can accumulate in the parasite, thereby modulating parasite infectivity towards host macrophages.
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Affiliation(s)
- Marine Leroux
- CNRS 5007, LAGEPP, University of Lyon, Université Claude Bernard Lyon 1, Villeurbanne, France
| | | | - Céline Luquain-Costaz
- CNRS 5007, LAGEPP, University of Lyon, Université Claude Bernard Lyon 1, Villeurbanne, France.,INSA-Lyon, Department of Biosciences, Villeurbanne, France
| | - Lars P Jordheim
- Inserm 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, University of Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Pauline Le Faouder
- MetaToul-Lipidomic Core Facility, MetaboHUB, I2MC Inserm U1048, Toulouse, France
| | - Marie-Paule Gustin
- Inserm 1111, CNRS UMR5308, Centre International de Recherche en Infectiologie, ENS de Lyon, University of Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Karim Aoun
- Pasteur Institute of Tunis, LR 11-IPT-06 Laboratory of Medical Parasitology, Biotechnology and Biomolecules, University Tunis El Manar, Tunis, Tunisia
| | - Philippe Lawton
- CNRS 5007, LAGEPP, University of Lyon, Université Claude Bernard Lyon 1, Villeurbanne, France
| | - Samira Azzouz-Maache
- CNRS 5007, LAGEPP, University of Lyon, Université Claude Bernard Lyon 1, Villeurbanne, France
| | - Isabelle Delton
- CNRS 5007, LAGEPP, University of Lyon, Université Claude Bernard Lyon 1, Villeurbanne, France.,INSA-Lyon, Department of Biosciences, Villeurbanne, France
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3
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Leroux M, Luquain-Costaz C, Lawton P, Azzouz-Maache S, Delton I. Fatty Acid Composition and Metabolism in Leishmania Parasite Species: Potential Biomarkers or Drug Targets for Leishmaniasis? Int J Mol Sci 2023; 24:ijms24054702. [PMID: 36902138 PMCID: PMC10003364 DOI: 10.3390/ijms24054702] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/22/2023] [Accepted: 02/26/2023] [Indexed: 03/06/2023] Open
Abstract
Fatty acids have received growing interest in Leishmania biology with the characterization of the enzymes allowing the complete fatty acid synthesis of this trypanosomatid parasite. This review presents a comparative analysis of the fatty acid profiles of the major classes of lipids and phospholipids in different species of Leishmania with cutaneous or visceral tropism. Specificities relating to the parasite forms, resistance to antileishmanial drugs, and host/parasite interactions are described as well as comparisons with other trypanosomatids. Emphasis is placed on polyunsaturated fatty acids and their metabolic and functional specificities, in particular, their conversion into oxygenated metabolites that are inflammatory mediators able to modulate metacyclogenesis and parasite infectivity. The impact of lipid status on the development of leishmaniasis and the potential of fatty acids as therapeutic targets or candidates for nutritional interventions are discussed.
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Affiliation(s)
- Marine Leroux
- CNRS 5007, LAGEPP, Université of Lyon, Université Claude Bernard Lyon 1, 69100 Villeurbanne, France
| | - Céline Luquain-Costaz
- CNRS 5007, LAGEPP, Université of Lyon, Université Claude Bernard Lyon 1, 69100 Villeurbanne, France
- Department of Biosciences, INSA Lyon, 69100 Villeurbanne, France
| | - Philippe Lawton
- CNRS 5007, LAGEPP, Université of Lyon, Université Claude Bernard Lyon 1, 69100 Villeurbanne, France
| | - Samira Azzouz-Maache
- CNRS 5007, LAGEPP, Université of Lyon, Université Claude Bernard Lyon 1, 69100 Villeurbanne, France
| | - Isabelle Delton
- CNRS 5007, LAGEPP, Université of Lyon, Université Claude Bernard Lyon 1, 69100 Villeurbanne, France
- Department of Biosciences, INSA Lyon, 69100 Villeurbanne, France
- Correspondence:
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4
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Andrade YMFDS, Castro MVD, Tavares VDS, Souza RDSO, Faccioli LH, Lima JB, Sorgi CA, Borges VM, Araújo-Santos T. Polyunsaturated fatty acids alter the formation of lipid droplets and eicosanoid production in Leishmania promastigotes. Mem Inst Oswaldo Cruz 2023; 118:e220160. [PMID: 36888851 PMCID: PMC9991015 DOI: 10.1590/0074-02760220160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 01/24/2023] [Indexed: 03/08/2023] Open
Abstract
BACKGROUND The knowledge about eicosanoid metabolism and lipid droplet (LD) formation in the Leishmania is very limited and new approaches are needed to identify which bioactive molecules are produced of them. OBJECTIVES Herein, we compared LDs and eicosanoids biogenesis in distinct Leishmania species which are etiologic agents of different clinical forms of leishmaniasis. METHODS For this, promastigotes of Leishmania amazonensis, L. braziliensis and L. infantum were stimulated with polyunsaturated fatty acids (PUFA) and LD and eicosanoid production was evaluated. We also compared mutations in structural models of human-like cyclooxygenase-2 (GP63) and prostaglandin F synthase (PGFS) proteins, as well as the levels of these enzymes in parasite cell extracts. FINDINGS PUFAs modulate the LD formation in L. braziliensis and L. infantum. Leishmania spp with equivalent tissue tropism had same protein mutations in GP63 and PGFS. No differences in GP63 production were observed among Leishmania spp, however PGFS production increased during the parasite differentiation. Stimulation with arachidonic acid resulted in elevated production of hydroxyeicosatetraenoic acids compared to prostaglandins. MAIN CONCLUSIONS Our data suggest LD formation and eicosanoid production are distinctly modulated by PUFAS dependent of Leishmania species. In addition, eicosanoid-enzyme mutations are more similar between Leishmania species with same host tropism.
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Affiliation(s)
| | - Monara Viera de Castro
- Universidade Federal do Oeste da Bahia, Centro das Ciências Biológicas e da Saúde, Núcleo de Estudos de Agentes Infecciosos e Vetores, Barreiras, BA, Brasil
| | - Victor de Souza Tavares
- Universidade Federal do Oeste da Bahia, Centro das Ciências Biológicas e da Saúde, Núcleo de Estudos de Agentes Infecciosos e Vetores, Barreiras, BA, Brasil
| | - Rayane da Silva Oliveira Souza
- Universidade Federal do Oeste da Bahia, Centro das Ciências Biológicas e da Saúde, Núcleo de Estudos de Agentes Infecciosos e Vetores, Barreiras, BA, Brasil
| | - Lúcia Helena Faccioli
- Universidade de São Paulo, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Ribeirão Preto, SP, Brasil
| | - Jonilson Berlink Lima
- Fundação Oswaldo Cruz-Fiocruz, Instituto Gonçalo Moniz, Salvador, BA, Brasil.,Universidade Federal do Oeste da Bahia, Centro das Ciências Biológicas e da Saúde, Núcleo de Estudos de Agentes Infecciosos e Vetores, Barreiras, BA, Brasil.,Universidade Federal da Bahia, Faculdade de Medicina, Salvador, BA, Brasil
| | | | - Valéria M Borges
- Fundação Oswaldo Cruz-Fiocruz, Instituto Gonçalo Moniz, Salvador, BA, Brasil.,Universidade Federal da Bahia, Faculdade de Medicina, Salvador, BA, Brasil
| | - Théo Araújo-Santos
- Fundação Oswaldo Cruz-Fiocruz, Instituto Gonçalo Moniz, Salvador, BA, Brasil.,Universidade Federal do Oeste da Bahia, Centro das Ciências Biológicas e da Saúde, Núcleo de Estudos de Agentes Infecciosos e Vetores, Barreiras, BA, Brasil
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5
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Decker C, Sadhu S, Fredman G. Pro-Resolving Ligands Orchestrate Phagocytosis. Front Immunol 2021; 12:660865. [PMID: 34177900 PMCID: PMC8222715 DOI: 10.3389/fimmu.2021.660865] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 04/06/2021] [Indexed: 12/18/2022] Open
Abstract
The resolution of inflammation is a tissue protective program that is governed by several factors including specialized pro-resolving mediators (SPMs), proteins, gasses and nucleotides. Pro-resolving mediators activate counterregulatory programs to quell inflammation and promote tissue repair in a manner that does not compromise host defense. Phagocytes like neutrophils and macrophages play key roles in the resolution of inflammation because of their ability to remove debris, microbes and dead cells through processes including phagocytosis and efferocytosis. Emerging evidence suggests that failed resolution of inflammation and defective phagocytosis or efferocytosis underpins several prevalent human diseases. Therefore, understanding factors and mechanisms associated with enhancing these processes is a critical need. SPMs enhance phagocytosis and efferocytosis and this review will highlight mechanisms associated with their actions.
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Affiliation(s)
- Christa Decker
- The Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY, United States
| | - Sudeshna Sadhu
- The Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY, United States
| | - Gabrielle Fredman
- The Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY, United States
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6
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Tavares VDS, de Castro MV, Souza RDSO, Gonçalves IKA, Lima JB, Borges VDM, Araújo-Santos T. Lipid droplets of protozoan parasites: survival and pathogenicity. Mem Inst Oswaldo Cruz 2021; 116:e210270. [PMID: 35195194 PMCID: PMC8851939 DOI: 10.1590/0074-02760210270] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 12/14/2021] [Indexed: 12/04/2022] Open
Abstract
Lipid droplets (LDs; lipid bodies) are intracellular sites of lipid storage and metabolism present in all cell types. Eukaryotic LDs are involved in eicosanoid production during several inflammatory conditions, including infection by protozoan parasites. In parasites, LDs play a role in the acquisition of cholesterol and other neutral lipids from the host. The number of LDs increases during parasite differentiation, and the biogenesis of these organelles use specific signaling pathways involving protein kinases. In addition, LDs are important in cellular protection against lipotoxicity. Recently, these organelles have been implicated in eicosanoid and specialised lipid metabolism. In this article, we revise the main functions of protozoan parasite LDs and discuss future directions in the comprehension of these organelles in the context of pathogen virulence.
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Affiliation(s)
| | | | | | | | - Jonilson Berlink Lima
- Universidade Federal do Oeste da Bahia, Brasil; Fundação Oswaldo Cruz-Fiocruz, Brasil
| | | | - Théo Araújo-Santos
- Universidade Federal do Oeste da Bahia, Brasil; Fundação Oswaldo Cruz-Fiocruz, Brasil
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7
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Smolgovsky S, Ibeh U, Tamayo TP, Alcaide P. Adding insult to injury - Inflammation at the heart of cardiac fibrosis. Cell Signal 2020; 77:109828. [PMID: 33166625 DOI: 10.1016/j.cellsig.2020.109828] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 11/04/2020] [Accepted: 11/05/2020] [Indexed: 02/06/2023]
Abstract
The fibrotic response has evolutionary worked in tandem with the inflammatory response to facilitate healing following injury or tissue destruction as a result of pathogen clearance. However, excessive inflammation and fibrosis are key pathological drivers of organ tissue damage. Moreover, fibrosis can occur in several conditions associated with chronic inflammation that are not directly caused by overt tissue injury or infection. In the heart, in particular, fibrotic adverse cardiac remodeling is a key pathological driver of cardiac dysfunction in heart failure. Cardiac fibroblast activation and immune cell activation are two mechanistic domains necessary for fibrotic remodeling in the heart, and, independently, their contributions to cardiac fibrosis and cardiac inflammation have been studied and reviewed thoroughly. The interdependence of these two processes, and how their cellular components modulate each other's actions in response to different cardiac insults, is only recently emerging. Here, we review recent literature in cardiac fibrosis and inflammation and discuss the mechanisms involved in the fibrosis-inflammation axis in the context of specific cardiac stresses, such as myocardial ischemia, and in nonischemic heart conditions. We discuss how the search for anti-inflammatory and anti-fibrotic therapies, so far unsuccessful to date, needs to be based on our understanding of the interdependence of immune cell and fibroblast activities. We highlight that in addition to the extensively reviewed role of immune cells modulating fibroblast function, cardiac fibroblasts are central participants in inflammation that may acquire immune like cell functions. Lastly, we review the gut-heart axis as an example of a novel perspective that may contribute to our understanding of how immune and fibrotic modulation may be indirectly modulated as a potential area for therapeutic research.
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Affiliation(s)
- Sasha Smolgovsky
- Department of Immunology, Tufts University School of Medicine, Boston, MA, United States of America; Immunology Program, Graduate School of Biomedical Sciences, Tufts University School of Medicine, Boston, MA, United States of America
| | - Udoka Ibeh
- Department of Immunology, Tufts University School of Medicine, Boston, MA, United States of America; Cell, Molecular, and Developmental Biology Program, Graduate School of Biomedical Sciences, Tufts University School of Medicine, Boston, MA, United States of America
| | - Tatiana Peña Tamayo
- Department of Immunology, Tufts University School of Medicine, Boston, MA, United States of America
| | - Pilar Alcaide
- Department of Immunology, Tufts University School of Medicine, Boston, MA, United States of America; Immunology Program, Graduate School of Biomedical Sciences, Tufts University School of Medicine, Boston, MA, United States of America; Cell, Molecular, and Developmental Biology Program, Graduate School of Biomedical Sciences, Tufts University School of Medicine, Boston, MA, United States of America.
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8
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Niu M, Keller NP. Co-opting oxylipin signals in microbial disease. Cell Microbiol 2020; 21:e13025. [PMID: 30866138 DOI: 10.1111/cmi.13025] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 02/01/2019] [Accepted: 02/06/2019] [Indexed: 12/14/2022]
Abstract
Oxylipins, or oxygenated lipids, are universal signalling molecules across all kingdoms of life. These molecules, either produced by microbial pathogens or their mammalian host, regulate inflammation during microbial infection. In this review, we summarise current literature on the biosynthesis pathways of microbial oxylipins and their biological activity towards mammalian cells. Collectively, these studies have illustrated how microbial pathogens can modulate immune rsponse and disease outcome via oxylipin-mediated mechanisms.
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Affiliation(s)
- Mengyao Niu
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, Wisconsin
| | - Nancy P Keller
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, Wisconsin.,Department of Bacteriology, University of Wisconsin-Madison, Madison, Wisconsin
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9
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Resolvin D1 Administration Is Beneficial in Trypanosoma cruzi Infection. Infect Immun 2020; 88:IAI.00052-20. [PMID: 32152197 DOI: 10.1128/iai.00052-20] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 03/02/2020] [Indexed: 12/14/2022] Open
Abstract
Chagas disease is a major public health issue, affecting ∼10 million people worldwide. Transmitted by a protozoan named Trypanosoma cruzi, this infection triggers a chronic inflammatory process that can lead to cardiomyopathy (Chagas disease). Resolvin D1 (RvD1) is a novel proresolution lipid mediator whose effects on inflammatory diseases dampens pathological inflammatory responses and can restore tissue homeostasis. Current therapies are not effective in altering the outcome of T. cruzi infection, and as RvD1 has been evaluated as a therapeutic agent in various inflammatory diseases, we examined if exogenous RvD1 could modulate the pathogenesis of Chagas disease in a murine model. CD-1 mice infected with the T. cruzi Brazil strain were treated with RvD1. Mice were administered 3 μg/kg of body weight RvD1 intraperitoneally on days 5, 10, and 15 to examine the effect of RvD1 on acute disease or administered the same dose on days 60, 65, and 70 to examine its effects on chronic infection. RvD1 therapy increased the survival rate and controlled parasite replication in mice with acute infection and reduced the levels of interferon gamma and transforming growth factor β (TGF-β) in mice with chronic infection. In addition, there was an increase in interleukin-10 levels with RvD1 therapy in both mice with acute infection and mice with chronic infection and a decrease in TGF-β levels and collagen content in cardiac tissue. Together, these data indicate that RvD1 therapy can dampen the inflammatory response, promote the resolution of T. cruzi infection, and prevent cardiac fibrosis.
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10
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Alsultan M, Morriss J, Contaifer D, Kumar NG, Wijesinghe DS. Host Lipid Response in Tropical Diseases. CURRENT TREATMENT OPTIONS IN INFECTIOUS DISEASES 2020. [DOI: 10.1007/s40506-020-00222-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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11
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Parashar K, Schulte F, Hardt M, Baker OJ. Sex-mediated elevation of the specialized pro-resolving lipid mediator levels in a Sjögren's syndrome mouse model. FASEB J 2020; 34:7733-7744. [PMID: 32277856 DOI: 10.1096/fj.201902196r] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 03/24/2020] [Accepted: 03/25/2020] [Indexed: 12/18/2022]
Abstract
Our previous results showed that the specialized pro-resolving mediator (SPM) Resolvin D1 (RvD1) promotes resolution of inflammation in salivary glands in non-obese diabetic (NOD)/ShiLtJ, a mouse model for Sjögren's syndrome (SS). Additionally, mice lacking the RvD1 receptor ALX/FPR2 show defective innate and adaptive immune responses in salivary glands. Particularly, ALX/FPR2 KO mice exhibit exacerbated inflammation in their salivary glands in response to systemic LPS treatment. Moreover, female ALX/FPR2 KO mice show increased autoantibody production and loss of salivary gland function with age. Together, these studies suggest that an underlying SPM dysregulation could be contributing to SS progression. Therefore, we investigated whether SPM production is altered in NOD/ShiLtJ using metabololipidomics and enzyme-linked immunosorbent assay (ELISA). Our results demonstrate that SPM levels were broadly elevated in plasma collected from NOD/ShiLtJ female mice after disease onset, whereas these drastic changes did not occur in male mice. Moreover, gene expression of enzymes involved in SPM biosynthesis were altered in submandibular glands (SMG) from NOD/ShiLtJ female mice after disease onset, with 5-LOX and 12/15-LOX being downregulated and upregulated, respectively. Despite this dysregulation, the abundances of the SPM products of these enzymes (ie, RvD1 and RvD2) were unaltered in freshly isolated SMG cells suggesting that other cell populations (eg, lymphocytes) may be responsible for the overabundance of SPMs that we observed. The elevation of SPMs noted here appeared to be sex mediated, meaning that it was observed only in one sex (females). Given that SS primarily affects females (roughly 90% of diagnosed cases), these results may provide some insights into the mechanisms underlying the observed sexual dimorphism.
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Affiliation(s)
- Kaustubh Parashar
- School of Dentistry, The University of Utah, Salt Lake City, UT, USA
| | - Fabian Schulte
- Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, MA, USA
| | - Markus Hardt
- Department of Applied Oral Sciences, The Forsyth Institute, Cambridge, MA, USA.,Department of Developmental Biology, Harvard School of Dental Medicine, Boston, MA, USA
| | - Olga J Baker
- School of Dentistry, The University of Utah, Salt Lake City, UT, USA
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12
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Clostridium difficile caused changes in fatty acids profile and resolvin D1 content in plasma of infected patients. Eur J Gastroenterol Hepatol 2020; 32:318-324. [PMID: 31714390 DOI: 10.1097/meg.0000000000001600] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
OBJECTIVES Clostridium difficile infection (CDI) is an acute gastrointestinal infection caused by anaerobic, toxin-producing bacteria. During the course of CDI, there is a general inflammatory state. In order to gain a deeper understanding of the role of fatty acids (FAs) in the pathogenesis of acute infection we analyzed their plasma content in both patients with CDI and controls. METHODS The study groups included 40 patients with CDI and 40 healthy volunteers. Plasma FA content was analyzed by gas chromatography, resolvin D1 (RvD1) level using ELISA assay, and we assessed the white blood cell (WBC) count, neutrophil count and C-reactive protein (CRP) level. RESULTS Patients with CDI were characterized by significantly higher values of WBC, neutrophils, platelets and CRP compared with the control group. The saturated FA index was statistically higher and total n-3 FA was significantly decreased in the plasma of CDI patients as compared with the control group. RvD1 content was significantly higher in the control group as compared with patients with CDI. CONCLUSION In patients with good outcomes, we probably observed the effective resolution of inflammation, as reflected in n-3 FA metabolism and their significant decrease in plasma. This may indicate the therapeutic role of n-3 FA in CDI infection.
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13
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Lee CH. Reversal of Epithelial-Mesenchymal Transition by Natural Anti-Inflammatory and Pro-Resolving Lipids. Cancers (Basel) 2019; 11:E1841. [PMID: 31766574 PMCID: PMC6966475 DOI: 10.3390/cancers11121841] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/16/2019] [Accepted: 11/19/2019] [Indexed: 02/08/2023] Open
Abstract
Epithelial mesenchymal transition (EMT) is a key process in the progression of malignant cancer. Therefore, blocking the EMT can be a critical fast track for the development of anticancer drugs. In this paper, we update recent research output of EMT and we explore suppression of EMT by natural anti-inflammatory compounds and pro-resolving lipids.
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Affiliation(s)
- Chang Hoon Lee
- College of Pharmacy, Dongguk University, Seoul 100-715, Korea
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14
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Seyed N, Rafati S. Resolution and pro-resolving lipid mediators in Leishmania infection. JOURNAL OF MEDICAL MICROBIOLOGY AND INFECTIOUS DISEASES 2019. [DOI: 10.29252/jommid.7.3.61] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
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López-Muñoz RA, Molina-Berríos A, Campos-Estrada C, Abarca-Sanhueza P, Urrutia-Llancaqueo L, Peña-Espinoza M, Maya JD. Inflammatory and Pro-resolving Lipids in Trypanosomatid Infections: A Key to Understanding Parasite Control. Front Microbiol 2018; 9:1961. [PMID: 30186271 PMCID: PMC6113562 DOI: 10.3389/fmicb.2018.01961] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 08/02/2018] [Indexed: 12/30/2022] Open
Abstract
Pathogenic trypanosomatids (Trypanosoma cruzi, Trypanosoma brucei, and Leishmania spp.) are protozoan parasites that cause neglected diseases affecting millions of people in Africa, Asia, and the Americas. In the process of infection, trypanosomatids evade and survive the immune system attack, which can lead to a chronic inflammatory state that induces cumulative damage, often killing the host in the long term. The immune mediators involved in this process are not entirely understood. Most of the research on the immunologic control of protozoan infections has been focused on acute inflammation. Nevertheless, when this process is not terminated adequately, permanent damage to the inflamed tissue may ensue. Recently, a second process, called resolution of inflammation, has been proposed to be a pivotal process in the control of parasite burden and establishment of chronic infection. Resolution of inflammation is an active process that promotes the normal function of injured or infected tissues. Several mediators are involved in this process, including eicosanoid-derived lipids, cytokines such as transforming growth factor (TGF)-β and interleukin (IL)-10, and other proteins such as Annexin-V. For example, during T. cruzi infection, pro-resolving lipids such as 15-epi-lipoxin-A4 and Resolvin D1 have been associated with a decrease in the inflammatory changes observed in experimental chronic heart disease, reducing inflammation and fibrosis, and increasing host survival. Furthermore, Resolvin D1 modulates the immune response in cells of patients with Chagas disease. In Leishmania spp. infections, pro-resolving mediators such as Annexin-V, lipoxins, and Resolvin D1 are related to the modulation of cutaneous manifestation of the disease. However, these mediators seem to have different roles in visceral or cutaneous leishmaniasis. Finally, although T. brucei infections are less well studied in terms of their relationship with inflammation, it has been found that arachidonic acid-derived lipids act as key regulators of the host immune response and parasite burden. Also, cytokines such as IL-10 and TGF-β may be related to increased infection. Knowledge about the inflammation resolution process is necessary to understand the host–parasite interplay, but it also offers an interesting opportunity to improve the current therapies, aiming to reduce the detrimental state induced by chronic protozoan infections.
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Affiliation(s)
- Rodrigo A López-Muñoz
- Instituto de Farmacología y Morfofisiología, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Alfredo Molina-Berríos
- Instituto de Investigación en Ciencias Odontológicas, Facultad de Odontología, Universidad de Chile, Santiago, Chile
| | - Carolina Campos-Estrada
- Escuela de Química y Farmacia, Facultad de Farmacia, Universidad de Valparaíso, Valparaíso, Chile.,Centro de Investigación Farmacopea Chilena, Universidad de Valparaíso, Valparaíso, Chile
| | - Patricio Abarca-Sanhueza
- Programa de Farmacología Molecular y Clínica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Luis Urrutia-Llancaqueo
- Programa de Farmacología Molecular y Clínica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Miguel Peña-Espinoza
- Instituto de Farmacología y Morfofisiología, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Juan D Maya
- Programa de Farmacología Molecular y Clínica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago, Chile
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