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da Silva AC, Moreira LR, Oliveira CNDC, Júnior CDDS, Ó KPD, Oliveira KKDS, Melo MGND, Soares AKDA, Cavalcanti MDP, Vasconcelos LRS, Lorena VMBD. Dynamics of the Trypanosoma cruzi infection in adipose tissue: Assessing gene expression of PNPLA2, FASN, and ACAT1 under Benzonidazole treatment and indirect mononuclear immune cells interaction. Mol Biochem Parasitol 2024; 258:111618. [PMID: 38588892 DOI: 10.1016/j.molbiopara.2024.111618] [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: 10/16/2023] [Revised: 03/15/2024] [Accepted: 03/21/2024] [Indexed: 04/10/2024]
Abstract
Trypanosoma cruzi is a parasite with a high capacity to adapt to the host. Animal models have already demonstrated that the tropism of this parasite occurs not only in cardiac/digestive tissues but also in adipose tissue (AT). That said, the consequences ofT. cruziinfection for AT and the implications of treatment with Benzonidazole in this tissue are under discussion. Here, we tested the hypothesis that T. cruzi infection in adipose tissue upon treatment with Benzonidazole (Bz) and the interaction of mononuclear immune cells (PBMC) influences the relative expression of ACAT1, FASN, and PNPLA2 genes. Thus, stem cells derived from adipose tissue (ADSC) after adipogenic differentiation were indirectly cultivated with PBMC after infection with the T. cruzi Y strain and treatment with Bz. We use the TcSAT-IAM system and RT-qPCR to evaluate the parasite load and the relative quantification (ΔCt) of the ACAT1, FASN, and PNPLA2 genes. Our results demonstrate that treatment with Bz did not reduce adipocyte infection in the presence (p-value: 0.5796) or absence (p-value: 0.1854) of cultivation with PBMC. In addition, even though there is no statistical difference when compared to the control group (AT), T. cruzi induces the FASN expression (Rq: 14.00). However, treatment with Bz in AT suggests the increases of PNPLA2 expression levels (Rq: 12.58), even in the absence of T. cruzi infection. During indirect cultivation with PBMC, T. cruzi smooths the expression of PNPLA2 (Rq: 0.824) and instigates the expression of ACAT1 (Rq: 1.632) and FASN (Rq: 1.394). Furthermore, the treatment with Bz during infection induces PNPLA2 expression (Rq: 1.871), maintaining FASN expression levels (Rq: 1.334). Given this, our results indicate that treatment with Benzonidazole did not decrease T. cruzi infection in adipose tissue. However, treating the adipocyte cells with Bz during the interaction with PBMC cells influences the lipid pathways scenario, inducing lipolytic metabolism through the expression of PNPLA2.
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Affiliation(s)
| | - Leyllane Rafael Moreira
- Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Recife, PE, Brasil; Universidade Federal de Pernambuco, Recife, PE, Brasil
| | | | - Claudeir Dias da Silva Júnior
- Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Recife, PE, Brasil; Universidade Federal de Pernambuco, Recife, PE, Brasil
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Thangavel H, Dhanyalayam D, Kim M, Lizardo K, Sidrat T, Lopez JG, Wang X, Bansal S, Nagajyothi JF. Adipocyte-released adipomes in Chagas cardiomyopathy: Impact on cardiac metabolic and immune regulation. iScience 2024; 27:109672. [PMID: 38660407 PMCID: PMC11039351 DOI: 10.1016/j.isci.2024.109672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 03/14/2024] [Accepted: 04/03/2024] [Indexed: 04/26/2024] Open
Abstract
Chronic Trypanosoma cruzi infection leads to Chagas cardiomyopathy (CCM), with varying manifestations such as inflammatory hypertrophic cardiomyopathy, arrhythmias, and dilated cardiomyopathy. The factors responsible for the increasing risk of progression to CCM are not fully understood. Previous studies link adipocyte loss to CCM progression, but the mechanism triggering CCM pathogenesis remains unexplored. Our study uncovers that T. cruzi infection triggers adipocyte apoptosis, leading to the release of extracellular vesicles named "adipomes". We developed an innovative method to isolate intact adipomes from infected mice's adipose tissue and plasma, showing they carry unique lipid cargoes. Large and Small adipomes, particularly plasma-derived infection-associated L-adipomes (P-ILA), regulate immunometabolic signaling and induce cardiomyopathy. P-ILA treatment induces hypertrophic cardiomyopathy in wild-type mice and worsens cardiomyopathy severity in post-acute-infected mice by regulating adipogenic/lipogenic and mitochondrial functions. These findings highlight adipomes' pivotal role in promoting inflammation and impairing myocardial function during cardiac remodeling in CD.
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Affiliation(s)
- Hariprasad Thangavel
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ 07110, USA
| | - Dhanya Dhanyalayam
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ 07110, USA
| | - Michelle Kim
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ 07110, USA
| | - Kezia Lizardo
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ 07110, USA
| | - Tabinda Sidrat
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ 07110, USA
| | | | - Xiang Wang
- Rutgers University Molecular Imaging Core (RUMIC), Rutgers Translational Sciences, Piscataway, NJ 08854, USA
| | - Shivani Bansal
- Departnment of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Jyothi F. Nagajyothi
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ 07110, USA
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Rossi IV, de Souza DAS, Ramirez MI. The End Justifies the Means: Chagas Disease from a Perspective of the Host- Trypanosoma cruzi Interaction. Life (Basel) 2024; 14:488. [PMID: 38672758 PMCID: PMC11050810 DOI: 10.3390/life14040488] [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: 02/19/2024] [Revised: 04/03/2024] [Accepted: 04/04/2024] [Indexed: 04/28/2024] Open
Abstract
The neglected Chagas disease (CD) is caused by the protozoan parasite Trypanosoma cruzi. Despite CD dispersion throughout the world, it prevails in tropical areas affecting mainly poor communities, causing devastating health, social and economic consequences. Clinically, CD is marked by a mildly symptomatic acute phase, and a chronic phase characterized by cardiac and/or digestive complications. Current treatment for CD relies on medications with strong side effects and reduced effectiveness. The complex interaction between the parasite and the host outlines the etiology and progression of CD. The unique characteristics and high adaptability of T. cruzi, its mechanisms of persistence, and evasion of the immune system seem to influence the course of the disease. Despite the efforts to uncover the pathology of CD, there are many gaps in understanding how it is established and reaches chronicity. Also, the lack of effective treatments and protective vaccines constitute challenges for public health. Here, we explain the background in which CD is established, from the peculiarities of T. cruzi molecular biology to the development of the host's immune response leading to the pathophysiology of CD. We also discuss the state of the art of treatments for CD and current challenges in basic and applied science.
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Affiliation(s)
- Izadora Volpato Rossi
- Graduate Program in Microbiology, Parasitology and Pathology, Federal University of Paraná, Curitiba 81531-980, PR, Brazil;
- Laboratory of Cell Biology, Carlos Chagas Institute/Oswaldo Cruz Foundation (FIOCRUZ-PR), Curitiba 81310-020, PR, Brazil;
| | - Denise Andréa Silva de Souza
- Laboratory of Cell Biology, Carlos Chagas Institute/Oswaldo Cruz Foundation (FIOCRUZ-PR), Curitiba 81310-020, PR, Brazil;
| | - Marcel Ivan Ramirez
- Graduate Program in Microbiology, Parasitology and Pathology, Federal University of Paraná, Curitiba 81531-980, PR, Brazil;
- Laboratory of Cell Biology, Carlos Chagas Institute/Oswaldo Cruz Foundation (FIOCRUZ-PR), Curitiba 81310-020, PR, Brazil;
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Ewald S, Nasuhidehnavi A, Feng TY, Lesani M, McCall LI. The intersection of host in vivo metabolism and immune responses to infection with kinetoplastid and apicomplexan parasites. Microbiol Mol Biol Rev 2024; 88:e0016422. [PMID: 38299836 PMCID: PMC10966954 DOI: 10.1128/mmbr.00164-22] [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] [Indexed: 02/02/2024] Open
Abstract
SUMMARYProtozoan parasite infection dramatically alters host metabolism, driven by immunological demand and parasite manipulation strategies. Immunometabolic checkpoints are often exploited by kinetoplastid and protozoan parasites to establish chronic infection, which can significantly impair host metabolic homeostasis. The recent growth of tools to analyze metabolism is expanding our understanding of these questions. Here, we review and contrast host metabolic alterations that occur in vivo during infection with Leishmania, trypanosomes, Toxoplasma, Plasmodium, and Cryptosporidium. Although genetically divergent, there are commonalities among these pathogens in terms of metabolic needs, induction of the type I immune responses required for clearance, and the potential for sustained host metabolic dysbiosis. Comparing these pathogens provides an opportunity to explore how transmission strategy, nutritional demand, and host cell and tissue tropism drive similarities and unique aspects in host response and infection outcome and to design new strategies to treat disease.
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Affiliation(s)
- Sarah Ewald
- Department of Microbiology, Immunology, and Cancer Biology at the Carter Immunology Center, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - Azadeh Nasuhidehnavi
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma, USA
| | - Tzu-Yu Feng
- Department of Microbiology, Immunology, and Cancer Biology at the Carter Immunology Center, University of Virginia School of Medicine, Charlottesville, Virginia, USA
| | - Mahbobeh Lesani
- Department of Microbiology and Plant Biology, University of Oklahoma, Norman, Oklahoma, USA
| | - Laura-Isobel McCall
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma, USA
- Department of Microbiology and Plant Biology, University of Oklahoma, Norman, Oklahoma, USA
- Laboratories of Molecular Anthropology and Microbiome Research, University of Oklahoma, Norman, Oklahoma, USA
- Department of Chemistry and Biochemistry, San Diego State University, San Diego, California, USA
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Moreira LR, Silva AC, da Costa-Oliveira CN, da Silva-Júnior CD, Oliveira KKDS, Torres DJL, Barros MD, Rabello MCDS, de Lorena VMB. Interaction between peripheral blood mononuclear cells and Trypanosoma cruzi-infected adipocytes: implications for treatment failure and induction of immunomodulatory mechanisms in adipose tissue. Front Immunol 2024; 15:1280877. [PMID: 38533504 PMCID: PMC10963431 DOI: 10.3389/fimmu.2024.1280877] [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: 08/21/2023] [Accepted: 02/27/2024] [Indexed: 03/28/2024] Open
Abstract
Background/Introduction Adipose tissue (AT) has been highlighted as a promising reservoir of infection for viruses, bacteria and parasites. Among them is Trypanosoma cruzi, which causes Chagas disease. The recommended treatment for the disease in Brazil is Benznidazole (BZ). However, its efficacy may vary according to the stage of the disease, geographical origin, age, immune background of the host and sensitivity of the strains to the drug. In this context, AT may act as an ally for the parasite survival and persistence in the host and a barrier for BZ action. Therefore, we investigated the immunomodulation of T. cruzi-infected human AT in the presence of peripheral blood mononuclear cells (PBMC) where BZ treatment was added. Methods We performed indirect cultivation between T. cruzi-infected adipocytes, PBMC and the addition of BZ. After 72h of treatment, the supernatant was collected for cytokine, chemokine and adipokine assay. Infected adipocytes were removed to quantify T. cruzi DNA, and PBMC were removed for immunophenotyping. Results Our findings showed elevated secretion of interleukin (IL)-6, IL-2 and monocyte chemoattractant protein-1 (MCP-1/CCL2) in the AT+PBMC condition compared to the other controls. In contrast, there was a decrease in tumor necrosis factor (TNF) and IL-8/CXCL-8 in the groups with AT. We also found high adipsin secretion in PBMC+AT+T compared to the treated condition (PBMC+AT+T+BZ). Likewise, the expression of CD80+ and HLA-DR+ in CD14+ cells decreased in the presence of T. cruzi. Discussion Thus, our findings indicate that AT promotes up-regulation of inflammatory products such as IL-6, IL-2, and MCP-1/CCL2. However, adipogenic inducers may have triggered the downregulation of TNF and IL-8/CXCL8 through the peroxisome proliferator agonist gamma (PPAR-g) or receptor expression. On the other hand, the administration of BZ only managed to reduce inflammation in the microenvironment by decreasing adipsin in the infected culture conditions. Therefore, given the findings, we can see that AT is an ally of the parasite in evading the host's immune response and the pharmacological action of BZ.
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Affiliation(s)
- Leyllane Rafael Moreira
- Department of Tropical Medicine, Federal University of Pernambuco, Recife, Brazil
- Department of Immunology, Aggeu Magalhães Institute, Recife, Brazil
| | - Ana Carla Silva
- Department of Immunology, Aggeu Magalhães Institute, Recife, Brazil
| | | | - Claudeir Dias da Silva-Júnior
- Department of Tropical Medicine, Federal University of Pernambuco, Recife, Brazil
- Department of Immunology, Aggeu Magalhães Institute, Recife, Brazil
| | | | - Diego José Lira Torres
- Department of Tropical Medicine, Federal University of Pernambuco, Recife, Brazil
- Department of Immunology, Aggeu Magalhães Institute, Recife, Brazil
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Kwakye-Nuako G, Middleton CE, McCall LI. Small molecule mediators of host-T. cruzi-environment interactions in Chagas disease. PLoS Pathog 2024; 20:e1012012. [PMID: 38457443 PMCID: PMC10923493 DOI: 10.1371/journal.ppat.1012012] [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] [Indexed: 03/10/2024] Open
Abstract
Small molecules (less than 1,500 Da) include major biological signals that mediate host-pathogen-microbiome communication. They also include key intermediates of metabolism and critical cellular building blocks. Pathogens present with unique nutritional needs that restrict pathogen colonization or promote tissue damage. In parallel, parts of host metabolism are responsive to immune signaling and regulated by immune cascades. These interactions can trigger both adaptive and maladaptive metabolic changes in the host, with microbiome-derived signals also contributing to disease progression. In turn, targeting pathogen metabolic needs or maladaptive host metabolic changes is an important strategy to develop new treatments for infectious diseases. Trypanosoma cruzi is a single-celled eukaryotic pathogen and the causative agent of Chagas disease, a neglected tropical disease associated with cardiac and intestinal dysfunction. Here, we discuss the role of small molecules during T. cruzi infection in its vector and in the mammalian host. We integrate these findings to build a theoretical interpretation of how maladaptive metabolic changes drive Chagas disease and extrapolate on how these findings can guide drug development.
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Affiliation(s)
- Godwin Kwakye-Nuako
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma, United States of America
- Department of Biomedical Sciences, School of Allied Health Sciences, College of Health and Allied Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Caitlyn E. Middleton
- Department of Chemistry and Biochemistry, San Diego State University, San Diego, California, United States of America
| | - Laura-Isobel McCall
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, Oklahoma, United States of America
- Department of Chemistry and Biochemistry, San Diego State University, San Diego, California, United States of America
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Araújo M, Moreira D, Mesquita I, Ferreira C, Mendes-Frias A, Barros-Carvalho S, Dinis-Oliveira RJ, Duarte-Oliveira C, Cunha C, Carvalho A, Saha B, Cordeiro-da-Silva A, Estaquier J, Silvestre R. Intramacrophage lipid accumulation compromises T cell responses and is associated with impaired drug therapy against visceral leishmaniasis. Immunology 2023; 170:510-526. [PMID: 37635289 DOI: 10.1111/imm.13686] [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: 02/03/2023] [Accepted: 08/14/2023] [Indexed: 08/29/2023] Open
Abstract
Under perturbing conditions such as infection with Leishmania, a protozoan parasite living within the phagosomes in mammalian macrophages, cellular and organellar structures, and metabolism are dynamically regulated for neutralizing the pressure of parasitism. However, how modulations of the host cell metabolic pathways support Leishmania infection remains unknown. Herein, we report that lipid accumulation heightens the susceptibility of mice to L. donovani infection and promotes resistance to first-line anti-leishmanial drugs. Despite being pro-inflammatory, the in vitro generated uninfected lipid-laden macrophages (LLMs) or adipose-tissue macrophages (ATMs) display lower levels of reactive oxygen and nitrogen species. Upon infection, LLMs secrete higher IL-10 and lower IL-12p70 cytokines, inhibiting CD4+ T cell activation and Th1 response suggesting a key modulatory role for intramacrophage lipid accumulation in anti-leishmanial host defence. We, therefore, examined this causal relationship between lipids and immunomodulation using an in vivo high-fat diet (HFD) mouse model. HFD increased the susceptibility to L. donovani infection accompanied by a defective CD4+ Th1 and CD8+ T cell response. The white adipose tissue of HFD mice displays increased susceptibility to L. donovani infection with the preferential infection of F4/80+ CD11b+ CD11c+ macrophages with higher levels of neutral lipids reserve. The HFD increased resistance to a first-line anti-leishmanial drug associated with a defective adaptive immune response. These data demonstrate that the accumulation of neutral lipids contributes to susceptibility to visceral leishmaniasis hindering host-protective immune response and reducing the efficacy of antiparasitic drug therapies.
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Affiliation(s)
- Marta Araújo
- Immunobiology of Inflammatory and Infectious Diseases (i3D), Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Diana Moreira
- Immunobiology of Inflammatory and Infectious Diseases (i3D), Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- Parasite Disease Group, IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
- Departamento de Ciências Biológicas, Faculdade de Farmácia da Universidade do Porto (FFUP), Porto, Portugal
| | - Inês Mesquita
- Immunobiology of Inflammatory and Infectious Diseases (i3D), Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Carolina Ferreira
- Immunobiology of Inflammatory and Infectious Diseases (i3D), Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Ana Mendes-Frias
- Immunobiology of Inflammatory and Infectious Diseases (i3D), Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Sónia Barros-Carvalho
- Immunobiology of Inflammatory and Infectious Diseases (i3D), Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Ricardo Jorge Dinis-Oliveira
- TOXRUN - Toxicology Research Unit, University Institute of Health Sciences (IUCS), CESPU, CRL, Gandra, Portugal
- UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
- Department of Public Health and Forensic Sciences, and Medical Education, Faculty of Medicine, University of Porto, Porto, Portugal
- MTG Research and Development Lab, Porto, Portugal
| | - Cláudio Duarte-Oliveira
- Immunobiology of Inflammatory and Infectious Diseases (i3D), Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Cristina Cunha
- Immunobiology of Inflammatory and Infectious Diseases (i3D), Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Agostinho Carvalho
- Immunobiology of Inflammatory and Infectious Diseases (i3D), Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | | | - Anabela Cordeiro-da-Silva
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- Parasite Disease Group, IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Porto, Portugal
- Departamento de Ciências Biológicas, Faculdade de Farmácia da Universidade do Porto (FFUP), Porto, Portugal
| | - Jérôme Estaquier
- INSERM U1124, Université Paris Cité, Paris, France
- Pathophysiology of Cell Death in Host-Pathogen Interactions, CHU de Québec - Université Laval Research Center, Québec City, Québec, Canada
| | - Ricardo Silvestre
- Immunobiology of Inflammatory and Infectious Diseases (i3D), Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
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Goulart A, Anchieta NF, Sampaio PA, Brazão V, Silva JLD, Portapilla GB, Duarte A, Tezuca DY, Providello MV, Stabile AM, Prado JCD. Cafeteria diet-induced obesity remodels immune response in acute Trypanosoma cruzi infection. Immunobiology 2023; 228:152747. [PMID: 37774598 DOI: 10.1016/j.imbio.2023.152747] [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: 05/29/2023] [Revised: 08/23/2023] [Accepted: 09/13/2023] [Indexed: 10/01/2023]
Abstract
BACKGROUND Obesity is a global problem associated with several conditions, including hypertension, diabetes, arthritis and cardiovascular diseases. With the increase in the prevalence of obesity in recent years, mostly in developing countries, it is important to study its impact on various diseases, including infectious illnesses, such as Chagas disease, caused by the protozoan Trypanosoma cruzi. Considering that a diet rich in salt, sugar, and fat is associated with obesity, this study aimed to evaluate the influence of cafeteria diet (CAF)-induced obesity on immune responses in T. cruzi-infected rats. METHODS Male Wistar Hannover rats were provided with water and food ad libitum (chow group). The CAF-fed groups received a normal rodent diet or CAF. The animals were intraperitoneally infected with 105 trypomastigote forms of the Y strain of T. cruzi present in the whole blood from a previously infected mouse. RESULTS CAF-fed rats showed a significant increase in visceral adipose tissue weight compared to chow-fed rats. A significant reduction in CD3+ CD4+ helper splenic T cells was observed in obese-infected rats compared to non-obese-infected rats, as well as CD11b and macrophages. In addition, macrophages from obese animals displayed reduced RT1b levels compared to those from control animals. Moreover, INF-γ, an important factor in macrophage activation, was reduced in obese-infected rats compared with their counterparts. CONCLUSIONS These results indicate that a CAF can impair the cell-mediated immune response against T. cruzi.
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Affiliation(s)
- Amanda Goulart
- School of Pharmaceutical Sciences of Ribeirão Preto - University of São Paulo, Department of Clinical Analyses, Toxicology and Food Science, Brazil
| | - Naira Ferreira Anchieta
- School of Pharmaceutical Sciences of Ribeirão Preto - University of São Paulo, Department of Clinical Analyses, Toxicology and Food Science, Brazil
| | | | - Vânia Brazão
- Ribeirão Preto College of Nursing - University of São Paulo, Brazil.
| | - Jefferson Luiz Da Silva
- School of Pharmaceutical Sciences of Ribeirão Preto - University of São Paulo, Department of Clinical Analyses, Toxicology and Food Science, Brazil
| | - Gisele Bulhões Portapilla
- School of Pharmaceutical Sciences of Ribeirão Preto - University of São Paulo, Department of Clinical Analyses, Toxicology and Food Science, Brazil
| | - Andressa Duarte
- Ribeirão Preto Medical School - University of São Paulo, Department of Pathology and Legal Medicine, Brazil
| | | | - Maiara Voltarelli Providello
- School of Pharmaceutical Sciences of Ribeirão Preto - University of São Paulo, Department of Clinical Analyses, Toxicology and Food Science, Brazil
| | | | - José Clóvis do Prado
- School of Pharmaceutical Sciences of Ribeirão Preto - University of São Paulo, Department of Clinical Analyses, Toxicology and Food Science, Brazil
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Moreira LR, Silva AC, da Costa Oliveira CN, da Silva Júnior CD, Nascimento AV, Oliveira KKDS, Soares AKDA, Saraiva KLA, de Paiva Cavalcanti M, de Lorena VMB. Benznidazole treatment decreases IL-6 levels in Trypanosoma cruzi-infected human adipocytes differentiated from adipose tissue-derived stem cells. Mem Inst Oswaldo Cruz 2023; 118:e220295. [PMID: 37878830 PMCID: PMC10599316 DOI: 10.1590/0074-02760220295] [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: 12/30/2022] [Accepted: 09/27/2023] [Indexed: 10/27/2023] Open
Abstract
BACKGROUND Trypanosoma cruzi, which causes Chagas disease (CD), is a versatile haemoparasite that uses several strategies to evade the host's immune response, including adipose tissue (AT), used as a reservoir of infection. As it is an effective barrier to parasite evasion, the effectiveness of the drug recommended for treating CD, Benznidazole (BZ), may be questionable. OBJECTIVE To this end, we evaluated the parasite load and immunomodulation caused by BZ treatment in the culture of adipocytes differentiated from human adipose tissue-derived stem cells (ADSC) infected with T. cruzi. METHODS The ADSC were subjected to adipogenic differentiation. We then carried out four cultures in which we infected the differentiated AT with trypomastigote forms of the Y strain of T. cruzi and treated them with BZ. After the incubation, the infected AT was subjected to quantitative polymerase chain reaction (qPCR) to quantify the parasite load and transmission electron microscopy (TEM) to verify the infection. The supernatant was collected to measure cytokines, chemokines, and adipokines. FINDINGS We found elevated secretion of IL-6, CXCL-10/IP-10, CCL2/MCP-1, CCL5/RANTES, and leptin in infected fat cells. However, treatment with BZ promoted a decrease in IL-6. MAIN CONCLUSION Therefore, we believe that BZ has a beneficial role as it reduces inflammation in infected fat cells.
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Affiliation(s)
- Leyllane Rafael Moreira
- Universidade Federal de Pernambuco, Programa de Pós-Graduação em
Medicina Tropical, Recife, PE, Brasil
- Fundação Oswaldo Cruz-Fiocruz, Instituto Aggeu Magalhães,
Laboratório de Imunoparasitologia, Recife, PE, Brasil
| | - Ana Carla Silva
- Fundação Oswaldo Cruz-Fiocruz, Instituto Aggeu Magalhães,
Laboratório de Imunoparasitologia, Recife, PE, Brasil
| | | | - Claudeir Dias da Silva Júnior
- Universidade Federal de Pernambuco, Programa de Pós-Graduação em
Medicina Tropical, Recife, PE, Brasil
- Fundação Oswaldo Cruz-Fiocruz, Instituto Aggeu Magalhães,
Laboratório de Imunoparasitologia, Recife, PE, Brasil
| | | | | | | | | | - Milena de Paiva Cavalcanti
- Fundação Oswaldo Cruz-Fiocruz, Instituto Aggeu Magalhães,
Departamento de Microbiologia, Recife, PE, Brasil
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10
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Marin-Neto JA, Rassi A, Oliveira GMM, Correia LCL, Ramos Júnior AN, Luquetti AO, Hasslocher-Moreno AM, Sousa ASD, Paola AAVD, Sousa ACS, Ribeiro ALP, Correia Filho D, Souza DDSMD, Cunha-Neto E, Ramires FJA, Bacal F, Nunes MDCP, Martinelli Filho M, Scanavacca MI, Saraiva RM, Oliveira Júnior WAD, Lorga-Filho AM, Guimarães ADJBDA, Braga ALL, Oliveira ASD, Sarabanda AVL, Pinto AYDN, Carmo AALD, Schmidt A, Costa ARD, Ianni BM, Markman Filho B, Rochitte CE, Macêdo CT, Mady C, Chevillard C, Virgens CMBD, Castro CND, Britto CFDPDC, Pisani C, Rassi DDC, Sobral Filho DC, Almeida DRD, Bocchi EA, Mesquita ET, Mendes FDSNS, Gondim FTP, Silva GMSD, Peixoto GDL, Lima GGD, Veloso HH, Moreira HT, Lopes HB, Pinto IMF, Ferreira JMBB, Nunes JPS, Barreto-Filho JAS, Saraiva JFK, Lannes-Vieira J, Oliveira JLM, Armaganijan LV, Martins LC, Sangenis LHC, Barbosa MPT, Almeida-Santos MA, Simões MV, Yasuda MAS, Moreira MDCV, Higuchi MDL, Monteiro MRDCC, Mediano MFF, Lima MM, Oliveira MTD, Romano MMD, Araujo NNSLD, Medeiros PDTJ, Alves RV, Teixeira RA, Pedrosa RC, Aras Junior R, Torres RM, Povoa RMDS, Rassi SG, Alves SMM, Tavares SBDN, Palmeira SL, Silva Júnior TLD, Rodrigues TDR, Madrini Junior V, Brant VMDC, Dutra WO, Dias JCP. SBC Guideline on the Diagnosis and Treatment of Patients with Cardiomyopathy of Chagas Disease - 2023. Arq Bras Cardiol 2023; 120:e20230269. [PMID: 37377258 PMCID: PMC10344417 DOI: 10.36660/abc.20230269] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2023] Open
Affiliation(s)
- José Antonio Marin-Neto
- Universidade de São Paulo , Faculdade de Medicina de Ribeirão Preto , Ribeirão Preto , SP - Brasil
| | - Anis Rassi
- Hospital do Coração Anis Rassi , Goiânia , GO - Brasil
| | | | | | | | - Alejandro Ostermayer Luquetti
- Centro de Estudos da Doença de Chagas , Hospital das Clínicas da Universidade Federal de Goiás , Goiânia , GO - Brasil
| | | | - Andréa Silvestre de Sousa
- Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz , Rio de Janeiro , RJ - Brasil
| | | | - Antônio Carlos Sobral Sousa
- Universidade Federal de Sergipe , São Cristóvão , SE - Brasil
- Hospital São Lucas , Rede D`Or São Luiz , Aracaju , SE - Brasil
| | | | | | | | - Edecio Cunha-Neto
- Universidade de São Paulo , Faculdade de Medicina da Universidade, São Paulo , SP - Brasil
| | - Felix Jose Alvarez Ramires
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
| | - Fernando Bacal
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
| | | | - Martino Martinelli Filho
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
| | - Maurício Ibrahim Scanavacca
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
| | - Roberto Magalhães Saraiva
- Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz , Rio de Janeiro , RJ - Brasil
| | | | - Adalberto Menezes Lorga-Filho
- Instituto de Moléstias Cardiovasculares , São José do Rio Preto , SP - Brasil
- Hospital de Base de Rio Preto , São José do Rio Preto , SP - Brasil
| | | | | | - Adriana Sarmento de Oliveira
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
| | | | - Ana Yecê das Neves Pinto
- Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz , Rio de Janeiro , RJ - Brasil
| | | | - Andre Schmidt
- Universidade de São Paulo , Faculdade de Medicina de Ribeirão Preto , Ribeirão Preto , SP - Brasil
| | - Andréa Rodrigues da Costa
- Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz , Rio de Janeiro , RJ - Brasil
| | - Barbara Maria Ianni
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
| | | | - Carlos Eduardo Rochitte
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
- Hcor , Associação Beneficente Síria , São Paulo , SP - Brasil
| | | | - Charles Mady
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
| | - Christophe Chevillard
- Institut National de la Santé Et de la Recherche Médicale (INSERM), Marselha - França
| | | | | | | | - Cristiano Pisani
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
| | | | | | | | - Edimar Alcides Bocchi
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
| | - Evandro Tinoco Mesquita
- Hospital Universitário Antônio Pedro da Faculdade Federal Fluminense , Niterói , RJ - Brasil
| | | | | | | | | | | | - Henrique Horta Veloso
- Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz , Rio de Janeiro , RJ - Brasil
| | - Henrique Turin Moreira
- Hospital das Clínicas , Faculdade de Medicina de Ribeirão Preto , Universidade de São Paulo , Ribeirão Preto , SP - Brasil
| | | | | | | | - João Paulo Silva Nunes
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
- Fundação Zerbini, Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
| | | | | | | | | | | | - Luiz Cláudio Martins
- Universidade Estadual de Campinas , Faculdade de Ciências Médicas , Campinas , SP - Brasil
| | | | | | | | - Marcos Vinicius Simões
- Universidade de São Paulo , Faculdade de Medicina de Ribeirão Preto , Ribeirão Preto , SP - Brasil
| | | | | | - Maria de Lourdes Higuchi
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
| | | | - Mauro Felippe Felix Mediano
- Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz , Rio de Janeiro , RJ - Brasil
- Instituto Nacional de Cardiologia (INC), Rio de Janeiro, RJ - Brasil
| | - Mayara Maia Lima
- Secretaria de Vigilância em Saúde , Ministério da Saúde , Brasília , DF - Brasil
| | | | | | | | | | - Renato Vieira Alves
- Instituto René Rachou , Fundação Oswaldo Cruz , Belo Horizonte , MG - Brasil
| | - Ricardo Alkmim Teixeira
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
| | - Roberto Coury Pedrosa
- Hospital Universitário Clementino Fraga Filho , Instituto do Coração Edson Saad - Universidade Federal do Rio de Janeiro , RJ - Brasil
| | | | | | | | | | - Silvia Marinho Martins Alves
- Ambulatório de Doença de Chagas e Insuficiência Cardíaca do Pronto Socorro Cardiológico Universitário da Universidade de Pernambuco (PROCAPE/UPE), Recife , PE - Brasil
| | | | - Swamy Lima Palmeira
- Secretaria de Vigilância em Saúde , Ministério da Saúde , Brasília , DF - Brasil
| | | | | | - Vagner Madrini Junior
- Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo , São Paulo , SP - Brasil
| | | | | | - João Carlos Pinto Dias
- Instituto Nacional de Infectologia Evandro Chagas, Fundação Oswaldo Cruz , Rio de Janeiro , RJ - Brasil
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11
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Barthelemy J, Bogard G, Wolowczuk I. Beyond energy balance regulation: The underestimated role of adipose tissues in host defense against pathogens. Front Immunol 2023; 14:1083191. [PMID: 36936928 PMCID: PMC10019896 DOI: 10.3389/fimmu.2023.1083191] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 01/09/2023] [Indexed: 03/06/2023] Open
Abstract
Although the adipose tissue (AT) is a central metabolic organ in the regulation of whole-body energy homeostasis, it is also an important endocrine and immunological organ. As an endocrine organ, AT secretes a variety of bioactive peptides known as adipokines - some of which have inflammatory and immunoregulatory properties. As an immunological organ, AT contains a broad spectrum of innate and adaptive immune cells that have mostly been studied in the context of obesity. However, overwhelming evidence supports the notion that AT is a genuine immunological effector site, which contains all cell subsets required to induce and generate specific and effective immune responses against pathogens. Indeed, AT was reported to be an immune reservoir in the host's response to infection, and a site of parasitic, bacterial and viral infections. In addition, besides AT's immune cells, preadipocytes and adipocytes were shown to express innate immune receptors, and adipocytes were reported as antigen-presenting cells to regulate T-cell-mediated adaptive immunity. Here we review the current knowledge on the role of AT and AT's immune system in host defense against pathogens. First, we will summarize the main characteristics of AT: type, distribution, function, and extraordinary plasticity. Second, we will describe the intimate contact AT has with lymph nodes and vessels, and AT immune cell composition. Finally, we will present a comprehensive and up-to-date overview of the current research on the contribution of AT to host defense against pathogens, including the respiratory viruses influenza and SARS-CoV-2.
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Affiliation(s)
| | | | - Isabelle Wolowczuk
- Univ. Lille, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (Inserm), Centre Hospitalier Universitaire de Lille (CHU Lille), Institut Pasteur de Lille, U1019 - UMR 9017 - Center for Infection and Immunity of Lille (CIIL), Lille, France
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12
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Abstract
Rather than serving as a mere onlooker, adipose tissue is a complex endocrine organ and active participant in disease initiation and progression. Disruptions of biological processes operating within adipose can disturb healthy systemic physiology, the sequelae of which include metabolic disorders such as obesity and type 2 diabetes. A burgeoning interest in the field of adipose research has allowed for the elucidation of regulatory networks underlying both adipose tissue function and dysfunction. Despite this progress, few diseases are treated by targeting maladaptation in the adipose, an oft-overlooked organ. In this review, we elaborate on the distinct subtypes of adipocytes, their developmental origins and secretory roles, and the dynamic interplay at work within the tissue itself. Central to this discussion is the relationship between adipose and disease states, including obesity, cachexia, and infectious diseases, as we aim to leverage our wealth of knowledge for the development of novel and targeted therapeutics.
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Affiliation(s)
- Christopher Auger
- Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA;
| | - Shingo Kajimura
- Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA; .,Howard Hughes Medical Institute, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA;
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13
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Brazão V, Colato RP, Santello FH, Duarte A, Goulart A, Sampaio PA, Pacheco Silva CB, Tirapelli CR, Costa RM, Tostes RC, do Prado JC. Melatonin regulates antioxidant defense and inflammatory response by activating Nrf2-dependent mechanisms and inhibiting NFkappaB expression in middle-aged T. cruzi infected rats. Exp Gerontol 2022; 167:111895. [PMID: 35843349 DOI: 10.1016/j.exger.2022.111895] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 07/05/2022] [Accepted: 07/11/2022] [Indexed: 12/29/2022]
Abstract
Oxidative stress with higher levels of leptin and inflammatory response are key processes related to pathogenesis of both T. cruzi infection and aging. Nuclear factor erythroid 2-related factor 2 (Nrf2) controls the expression of several genes implicated in the oxidative stress response in many pathological conditions. Melatonin is a pleiotropic hormone with, antioxidant, anti-inflammatory and anti-aging actions. Then, we hypothesized that Nrf2 response is impaired during the acute T. cruzi (9 days) infection and that melatonin rescues Nrf2 responses. Young (5 weeks-old) and middle-aged (18 months-old) male Wistar rats were infected with T. cruzi. Nrf2 translocation and markers of inflammation and oxidative stress were analyzed in blood and spleen. Increased apoptosis levels and oxidative stress indicators were observed in the rat spleen during T. cruzi infection. These responses were accompanied by decreased Nrf2 expression and increased expression of nuclear factor kappa B (NFκB). Melatonin (5 mg/kg/day; p.o. gavage) attenuated the superoxide anion (O2-) and hydrogen peroxide (H2O2) production induced by T. cruzi infection. Increased expressions of catalase and superoxide dismutase (SOD) were detected in the spleen of melatonin-treated rats infected with T. cruzi. Melatonin treatment inhibited the spleen NF-κB activation and downregulates the levels of circulating interleukin (IL)-4, IL-10 and tumor necrosis factor (TNF)-α in T. cruzi middle-aged infected rats. Increased levels of the chemokine CXCL1 in middle-aged control rats was observed, confirming that aging alters the production of this chemokine. In T. cruzi infected young animals, CXCL1 was up-regulated when compared to non-infected young ones. For young or middle-aged animals, melatonin treatment had no significant effect on CXCL1 levels. Our findings demonstrate an important role for Nrf2/NF-kB regulation as a possible mechanism by which melatonin attenuates oxidative stress, and provide new insights for further studies of this indoleamine as a therapeutic co-adjuvant agent against T. cruzi infection.
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Affiliation(s)
- Vânia Brazão
- College of Pharmaceutical Sciences of Ribeirão Preto (FCFRP), University of São Paulo, Ribeirão Preto, SP, Brazil.
| | - Rafaela Pravato Colato
- College of Pharmaceutical Sciences of Ribeirão Preto (FCFRP), University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Fabricia Helena Santello
- College of Pharmaceutical Sciences of Ribeirão Preto (FCFRP), University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Andressa Duarte
- College of Pharmaceutical Sciences of Ribeirão Preto (FCFRP), University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Amanda Goulart
- College of Pharmaceutical Sciences of Ribeirão Preto (FCFRP), University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Pedro Alexandre Sampaio
- College of Pharmaceutical Sciences of Ribeirão Preto (FCFRP), University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Carla B Pacheco Silva
- Department of Psychiatric Nursing and Human Sciences, Laboratory of Pharmacology, College of Nursing of Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil
| | - Carlos Renato Tirapelli
- Department of Psychiatric Nursing and Human Sciences, Laboratory of Pharmacology, College of Nursing of Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil
| | - Rafael M Costa
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirao Preto, SP, Brazil; Special Academic Unit of Health Sciences, Federal University of Jatai, Jatai, GO, Brazil
| | - Rita C Tostes
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirao Preto, SP, Brazil
| | - José Clóvis do Prado
- College of Pharmaceutical Sciences of Ribeirão Preto (FCFRP), University of São Paulo, Ribeirão Preto, SP, Brazil
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14
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Abstract
Adipose tissue is a complex dynamic organ with whole-body immunometabolic influence. Much of the work into understanding the role of immune cells in adipose tissue has been in the context of obesity. These investigations have also uncovered a range of typical (immune) and non-typical functions exerted by adipose tissue leukocytes. Here we provide an overview of the adipose tissue immune system, including its role as an immune reservoir in the whole-body response to infection and as a site of parasitic and viral infections. We also describe the functional roles of specialized immunological structures found within adipose tissue. However, our main focus is on the recently discovered 'non-immune' functions of adipose tissue immune cells, which include the regulation of adipocyte homeostasis, as well as responses to changing nutrient status and body temperature. In doing so, we outline the therapeutic potential of the adipose tissue immune system in health and disease.
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15
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López-Ortega O, Moreno-Corona NC, Cruz-Holguin VJ, Garcia-Gonzalez LD, Helguera-Repetto AC, Romero-Valdovinos M, Arevalo-Romero H, Cedillo-Barron L, León-Juárez M. The Immune Response in Adipocytes and Their Susceptibility to Infection: A Possible Relationship with Infectobesity. Int J Mol Sci 2022; 23:ijms23116154. [PMID: 35682832 PMCID: PMC9181511 DOI: 10.3390/ijms23116154] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 05/25/2022] [Accepted: 05/27/2022] [Indexed: 02/01/2023] Open
Abstract
The current obesity pandemic has been expanding in both developing and developed countries. This suggests that the factors contributing to this condition need to be reconsidered since some new factors are arising as etiological causes of this disease. Moreover, recent clinical and experimental findings have shown an association between the progress of obesity and some infections, and the functions of adipose tissues, which involve cell metabolism and adipokine release, among others. Furthermore, it has recently been reported that adipocytes could either be reservoirs for these pathogens or play an active role in this process. In addition, there is abundant evidence indicating that during obesity, the immune system is exacerbated, suggesting an increased susceptibility of the patient to the development of several forms of illness or death. Thus, there could be a relationship between infection as a trigger for an increase in adipose cells and the impact on the metabolism that contributes to the development of obesity. In this review, we describe the findings concerning the role of adipose tissue as a mediator in the immune response as well as the possible role of adipocytes as infection targets, with both roles constituting a possible cause of obesity.
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Affiliation(s)
- Orestes López-Ortega
- Université Paris Cité, INSERM UMR-S1151, CNRS UMR-S8253, Institut Necker Enfants Malades, 75015 Paris, France;
| | - Nidia Carolina Moreno-Corona
- Laboratory of Human Lymphohematopoiesis, Imagine Institute, INSERM UMR 1163, Université de Paris, 75015 Paris, France;
| | - Victor Javier Cruz-Holguin
- Departamento de Immunobioquímica, Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Ciudad de México 11000, Mexico; (V.J.C.-H.); (L.D.G.-G.); (A.C.H.-R.)
- Departamento de Biomedicina Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Av. Instituto Politécnico Nacional 2508, San Pedro Zacatenco, Mexico City 07360, Mexico;
| | - Luis Didier Garcia-Gonzalez
- Departamento de Immunobioquímica, Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Ciudad de México 11000, Mexico; (V.J.C.-H.); (L.D.G.-G.); (A.C.H.-R.)
| | - Addy Cecilia Helguera-Repetto
- Departamento de Immunobioquímica, Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Ciudad de México 11000, Mexico; (V.J.C.-H.); (L.D.G.-G.); (A.C.H.-R.)
| | - Mirza Romero-Valdovinos
- Departamento de Biología Molecular e Histocompatibilidad, Hospital General “Dr. Manuel Gea González”, Calzada de Tlalpan 4800, Col. Sección XVI, Ciudad de México 14080, Mexico;
| | - Haruki Arevalo-Romero
- Laboratorio de Inmunología y Microbiología Molecular, División Académica Multidisciplinaria de Jalpa de Méndez, Jalpa de Méndez 86205, Mexico;
| | - Leticia Cedillo-Barron
- Departamento de Biomedicina Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Av. Instituto Politécnico Nacional 2508, San Pedro Zacatenco, Mexico City 07360, Mexico;
| | - Moisés León-Juárez
- Departamento de Immunobioquímica, Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Ciudad de México 11000, Mexico; (V.J.C.-H.); (L.D.G.-G.); (A.C.H.-R.)
- Correspondence:
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16
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Kobayashi T, Brenner D. A FAsT contribution: Adipocytes rewire their metabolism to acquire immune functions. Cell Metab 2022; 34:656-657. [PMID: 35508107 DOI: 10.1016/j.cmet.2022.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Adipose tissue has been linked to inflammation and various physiological processes. In this issue of Cell Metabolism, Caputa et al. describe that perinodal adipocytes adapt their metabolism to actively participate in an immune response against intracellular Listeria monocytogenes.
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Affiliation(s)
- Takumi Kobayashi
- Experimental and Molecular Immunology, Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg; Immunology and Genetics, Luxembourg Centre for Systems Biomedicine, University of Luxembourg, 7 Avenue des Hauts Fourneaux, Esch-sur-Alzette, Luxembourg
| | - Dirk Brenner
- Experimental and Molecular Immunology, Department of Infection and Immunity, Luxembourg Institute of Health, Esch-sur-Alzette, Luxembourg; Immunology and Genetics, Luxembourg Centre for Systems Biomedicine, University of Luxembourg, 7 Avenue des Hauts Fourneaux, Esch-sur-Alzette, Luxembourg; Odense Research Center for Anaphylaxis (ORCA), Department of Dermatology and Allergy Center, Odense University Hospital, University of Southern Denmark, Odense, Denmark.
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17
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Pacini MF, González FB, Dinatale B, Bulfoni Balbi C, Villar SR, Farré C, Lupi G, Espariz M, Blancato VS, Magni C, Marcipar I, Pérez AR. Nasal immunization with a L. lactis-derived trans-sialidase antigen plus c-di-AMP protects against acute oral T. cruzi infection. Vaccine 2022; 40:2311-2323. [PMID: 35279330 DOI: 10.1016/j.vaccine.2022.02.071] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 12/22/2021] [Accepted: 02/20/2022] [Indexed: 01/15/2023]
Abstract
The new generation of vaccines for Chagas disease, are focused to induce both humoral and cellular response to effectively control Trypanosoma cruzi parasites. The administration of vaccine formulations intranasally has the advantage over parenteral routes that can induce a specific response at mucosal and systemic levels. This study aimed to evaluate and compare the immunogenicity and prophylactic effectiveness of two Trans-sialidase (TS)-based mucosal vaccines against T. cruzi administered intranasally. Vaccines consisted of a recombinant fragment of TS expressed in Lactococcus lactis formulated in two different adjuvants. The first, was an immunostimulant particle (ISPA, an ISCOMATRIX-like adjuvant), while the second was the dinucleotide c-di-AMP, which have shown immunostimulant properties at the mucosal level. BALB/c mice were immunized intranasally (3 doses, one every two weeks) with each formulation (TS + ISPA or TS + c-di-AMP) and with TS alone or vehicle (saline solution) as controls. Fifteen days after the last immunization, both TS + ISPA or TS + c-di-AMP induced an evident systemic humoral and cellular response, as judged by the increased plasma anti-TS IgG2a titers and IgG2a/IgG1 ratio and enhanced cellular response against TS. Plasma derived antibodies from TS + c-di-AMP also inhibit in vitro the invasion capacity of T. cruzi. Furthermore, specific secretory IgA was more enhanced in TS + c-di-AMP group. Protective efficacy was proved in vaccinated animals by an oral T. cruzi-challenge. Parasitemia control was only achieved by animals vaccinated with TS + c-di-AMP, despite all vaccinates groups showed enhanced CD8+IFN-γ+ T cell numbers. In addition, it was reflected during the acute phase in a significant reduction of tissue parasite load, clinical manifestations and diminished tissue damage. The better prophylactic capacity elicited by TS + c-di-AMP was related to the induction of neutralizing plasma antibodies and augmented levels of mucosal IgA since TS + ISPA and TS + c-di-AMP groups displayed similar immunogenicity and CD8+IFN-γ+ T-cell response. Therefore, TS + c-di-AMP formulation appears as a promising strategy for prophylaxis against T. cruzi.
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Affiliation(s)
| | | | - Brenda Dinatale
- Instituto de Inmunología Clínica y Experimental de Rosario (IDICER-CONICET), Argentina
| | - Camila Bulfoni Balbi
- Instituto de Inmunología Clínica y Experimental de Rosario (IDICER-CONICET), Argentina
| | - Silvina Raquel Villar
- Instituto de Inmunología Clínica y Experimental de Rosario (IDICER-CONICET), Argentina; Centro de Investigación y Producción de Reactivos Biológicos (CIPReB), Facultad de Ciencias Médicas, Universidad Nacional de Rosario, Argentina
| | - Cecilia Farré
- Instituto de Inmunología Clínica y Experimental de Rosario (IDICER-CONICET), Argentina; Centro de Investigación y Producción de Reactivos Biológicos (CIPReB), Facultad de Ciencias Médicas, Universidad Nacional de Rosario, Argentina
| | - Giuliana Lupi
- Laboratorio de Tecnología Inmunológica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Argentina
| | - Martín Espariz
- Instituto de Biología Celular y Molecular de Rosario, Laboratorio de Fisiología y Genética de Bacterias Lácticas, Instituto de Biología Molecular y Celular de Rosario (IBR-CONICET), Argentina
| | - Víctor Sebastián Blancato
- Instituto de Biología Celular y Molecular de Rosario, Laboratorio de Fisiología y Genética de Bacterias Lácticas, Instituto de Biología Molecular y Celular de Rosario (IBR-CONICET), Argentina
| | - Christian Magni
- Instituto de Biología Celular y Molecular de Rosario, Laboratorio de Fisiología y Genética de Bacterias Lácticas, Instituto de Biología Molecular y Celular de Rosario (IBR-CONICET), Argentina
| | - Iván Marcipar
- Laboratorio de Tecnología Inmunológica, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Argentina
| | - Ana Rosa Pérez
- Instituto de Inmunología Clínica y Experimental de Rosario (IDICER-CONICET), Argentina; Centro de Investigación y Producción de Reactivos Biológicos (CIPReB), Facultad de Ciencias Médicas, Universidad Nacional de Rosario, Argentina.
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18
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Poncini CV, Benatar AF, Gomez KA, Rabinovich GA. Galectins in Chagas Disease: A Missing Link Between Trypanosoma cruzi Infection, Inflammation, and Tissue Damage. Front Microbiol 2022; 12:794765. [PMID: 35046919 PMCID: PMC8762303 DOI: 10.3389/fmicb.2021.794765] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 11/25/2021] [Indexed: 11/25/2022] Open
Abstract
Trypanosoma cruzi, the protozoan parasite causative agent of Chagas disease, affects about seven million people worldwide, representing a major global public health concern with relevant socioeconomic consequences, particularly in developing countries. In this review, we discuss the multiple roles of galectins, a family of β-galactoside-binding proteins, in modulating both T. cruzi infection and immunoregulation. Specifically, we focus on galectin-driven circuits that link parasite invasion and inflammation and reprogram innate and adaptive immune responses. Understanding the dynamics of galectins and their β-galactoside-specific ligands during the pathogenesis of T. cruzi infection and elucidating their roles in immunoregulation, inflammation, and tissue damage offer new rational opportunities for treating this devastating neglected disease.
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Affiliation(s)
- Carolina V. Poncini
- Laboratorio de Inmunología Celular e Inmunopatología de Infecciones, Instituto de Investigaciones en Microbiología y Parasitología Medica, Universidad de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
- Departamento de Microbiología, Parasitología e Inmunología, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Alejandro F. Benatar
- Servicio de Citometría de Flujo, Instituto de Medicina Experimental (IMEX), Academia Nacional de Medicina, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Karina A. Gomez
- Laboratorio de Biología e Inmunología de las Infecciones por Tripanosomátidos, Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Gabriel A. Rabinovich
- Laboratorio de Glicomedicina, Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
- Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
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19
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Ferreira JMBB. Pathophysiology and new targets for therapeutic options in Chagas heart disease. Mem Inst Oswaldo Cruz 2022; 117:e210172chgsa. [PMID: 35674529 PMCID: PMC9172886 DOI: 10.1590/0074-02760210172chgsa] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 12/17/2021] [Indexed: 12/05/2022] Open
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20
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Medina-Rincón GJ, Gallo-Bernal S, Jiménez PA, Cruz-Saavedra L, Ramírez JD, Rodríguez MJ, Medina-Mur R, Díaz-Nassif G, Valderrama-Achury MD, Medina HM. Molecular and Clinical Aspects of Chronic Manifestations in Chagas Disease: A State-of-the-Art Review. Pathogens 2021; 10:pathogens10111493. [PMID: 34832648 PMCID: PMC8619182 DOI: 10.3390/pathogens10111493] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 11/03/2021] [Accepted: 11/08/2021] [Indexed: 12/11/2022] Open
Abstract
Chronic manifestations of Chagas disease present as disabling and life-threatening conditions affecting mainly the cardiovascular and gastrointestinal systems. Although meaningful research has outlined the different molecular mechanisms underlying Trypanosoma cruzi’s infection and the host-parasite interactions that follow, prompt diagnosis and treatment remain a challenge, particularly in developing countries and also in those where the disease is considered non-endemic. This review intends to present an up-to-date review of the parasite’s life cycle, genetic diversity, virulence factors, and infective mechanisms, as well as the epidemiology, clinical presentation, diagnosis, and treatment options of the main chronic complications of Chagas disease.
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Affiliation(s)
- Germán J. Medina-Rincón
- School of Medicine and Health Sciences, Universidad del Rosario, Bogotá 111221, Colombia; (S.G.-B.); (M.D.V.-A.); (H.M.M.)
- Correspondence: ; Tel.: +57-310-817-2369
| | - Sebastián Gallo-Bernal
- School of Medicine and Health Sciences, Universidad del Rosario, Bogotá 111221, Colombia; (S.G.-B.); (M.D.V.-A.); (H.M.M.)
- Department of Radiology, Massachusetts General Hospital, Boston, MA 02114, USA
- Department of Radiology, Harvard Medical School, Boston, MA 02114, USA
| | - Paula A. Jiménez
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá 111221, Colombia; (P.A.J.); (L.C.-S.); (J.D.R.)
| | - Lissa Cruz-Saavedra
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá 111221, Colombia; (P.A.J.); (L.C.-S.); (J.D.R.)
| | - Juan David Ramírez
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá 111221, Colombia; (P.A.J.); (L.C.-S.); (J.D.R.)
| | - María Juliana Rodríguez
- Division of Cardiology, Fundación Cardioinfantil-Instituto de Cardiología, Bogotá 110131, Colombia; (M.J.R.); (R.M.-M.)
| | - Ramón Medina-Mur
- Division of Cardiology, Fundación Cardioinfantil-Instituto de Cardiología, Bogotá 110131, Colombia; (M.J.R.); (R.M.-M.)
| | - Gustavo Díaz-Nassif
- Division of Gastroenterology and Liver Diseases, Fundación Cardioinfantil-Instituto de Cardiología, Bogotá 111221, Colombia;
| | | | - Héctor M. Medina
- School of Medicine and Health Sciences, Universidad del Rosario, Bogotá 111221, Colombia; (S.G.-B.); (M.D.V.-A.); (H.M.M.)
- Division of Cardiology, Fundación Cardioinfantil-Instituto de Cardiología, Bogotá 110131, Colombia; (M.J.R.); (R.M.-M.)
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21
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Parreira de Aquino G, Mendes Gomes MA, Köpke Salinas R, Laranjeira-Silva MF. Lipid and fatty acid metabolism in trypanosomatids. MICROBIAL CELL 2021; 8:262-275. [PMID: 34782859 PMCID: PMC8561143 DOI: 10.15698/mic2021.11.764] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 09/03/2021] [Accepted: 09/13/2021] [Indexed: 12/18/2022]
Abstract
Trypanosomiases and leishmaniases are neglected tropical diseases that have been spreading to previously non-affected areas in recent years. Identification of new chemotherapeutics is needed as there are no vaccines and the currently available treatment options are highly toxic and often ineffective. The causative agents for these diseases are the protozoan parasites of the Trypanosomatidae family, and they alternate between invertebrate and vertebrate hosts during their life cycles. Hence, these parasites must be able to adapt to different environments and compete with their hosts for several essential compounds, such as amino acids, vitamins, ions, carbohydrates, and lipids. Among these nutrients, lipids and fatty acids (FAs) are essential for parasite survival. Trypanosomatids require massive amounts of FAs, and they can either synthesize FAs de novo or scavenge them from the host. Moreover, FAs are the major energy source during specific life cycle stages of T. brucei, T. cruzi, and Leishmania. Therefore, considering the distinctive features of FAs metabolism in trypanosomatids, these pathways could be exploited for the development of novel antiparasitic drugs. In this review, we highlight specific aspects of lipid and FA metabolism in the protozoan parasites T. brucei, T. cruzi, and Leishmania spp., as well as the pathways that have been explored for the development of new chemotherapies.
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Affiliation(s)
| | | | - Roberto Köpke Salinas
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo, Brazil
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22
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Grabner GF, Xie H, Schweiger M, Zechner R. Lipolysis: cellular mechanisms for lipid mobilization from fat stores. Nat Metab 2021; 3:1445-1465. [PMID: 34799702 DOI: 10.1038/s42255-021-00493-6] [Citation(s) in RCA: 185] [Impact Index Per Article: 61.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 10/15/2021] [Indexed: 12/13/2022]
Abstract
The perception that intracellular lipolysis is a straightforward process that releases fatty acids from fat stores in adipose tissue to generate energy has experienced major revisions over the last two decades. The discovery of new lipolytic enzymes and coregulators, the demonstration that lipophagy and lysosomal lipolysis contribute to the degradation of cellular lipid stores and the characterization of numerous factors and signalling pathways that regulate lipid hydrolysis on transcriptional and post-transcriptional levels have revolutionized our understanding of lipolysis. In this review, we focus on the mechanisms that facilitate intracellular fatty-acid mobilization, drawing on canonical and noncanonical enzymatic pathways. We summarize how intracellular lipolysis affects lipid-mediated signalling, metabolic regulation and energy homeostasis in multiple organs. Finally, we examine how these processes affect pathogenesis and how lipolysis may be targeted to potentially prevent or treat various diseases.
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Affiliation(s)
- Gernot F Grabner
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Hao Xie
- Institute of Molecular Biosciences, University of Graz, Graz, Austria
| | - Martina Schweiger
- Institute of Molecular Biosciences, University of Graz, Graz, Austria.
- BioTechMed-Graz, Graz, Austria.
| | - Rudolf Zechner
- Institute of Molecular Biosciences, University of Graz, Graz, Austria.
- BioTechMed-Graz, Graz, Austria.
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23
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Resende BAM, Beleigoli AMR, Ribeiro ALP, Duncan B, Schmidt MI, Mill JG, Goulart AC, Pereira ADC, Barreto SM, Diniz MDFHS. Chagas disease is not associated with diabetes, metabolic syndrome, insulin resistance and beta cell dysfunction at baseline of Brazilian Longitudinal Study of Adult Health (ELSA-Brasil). Parasitol Int 2021; 85:102440. [PMID: 34411740 DOI: 10.1016/j.parint.2021.102440] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 07/12/2021] [Accepted: 08/13/2021] [Indexed: 11/20/2022]
Abstract
Chagas disease (ChD) affects millions of people worldwide, being endemic in Latin America and emerging in the United States and Europe. Classically described as targeting the heart and gastrointestinal tract, Trypanosoma cruzi parasitism leads to structural and pro-inflammatory changes in the adipose tissue and pancreas. The effects of these changes on insulin resistance (IR), beta cell dysfunction, diabetes mellitus (DM),and metabolic syndrome (MS) are unclear. We aim to evaluate the association of ChD with DM, IR, beta cell dysfunction and MS in the baseline of multi-centric cohort study 'Brazilian Longitudinal Study of Adult Health' (ELSA-Brasil). This cross-sectional analysis included 14,922 (98%) participants of ELSA-Brasil at baseline. To investigate the associations of ChD with DM, IR (assessed by HOMA-IR) and beta cell dysfunction (assessed by HOMA beta), and MS we fitted logistic regression models including socio-demographic and anthropometric variables, health-related conditions and laboratory results. ChD, defined by positive serology, was prevalent in 1.9% (n = 283) of the sample, 17.3% (n = 49) of whom had cardiomyopathy. DM prevalence was 17.25% (n = 2574) and was not different among those with and without ChD (20.5% vs 17.2%; p = 0.28). Fasting and 2 h-blood glucose after a 75 g anhydrous glucose were slightly higher among participants positive for ChD, when compared with those with negative serology (102 mg/dL versus 100 mg/dL, respectively; and 127 mg/dL versus 124 mg/dL, respectively), only in univariate analysis. There was no significant association between these variables and ChD after adjustments. In addition, there was no significant association between DM, IR, beta cell dysfunction or MS and ChD (without and with cardiomyopathy). Our results showed that ChD, regardless of the presence of cardiomyopathy, is not associated with DM, IR, beta cell dysfunction or MS. These findings suggest the parasitism of the adipose tissue and pancreas in Chagas disease do not translate into clinically relevant glucose abnormalities.
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Affiliation(s)
- Bruna A M Resende
- Internal Medicine Department, Faculty of Medicine, Faculdade Atenas, Sete Lagoas, Minas Gerais, Brazil
| | - Alline M R Beleigoli
- College of Nursing and Health Sciences, Flinders University, Adelaide, South Australia, Australia
| | - Antonio Luiz Pinho Ribeiro
- Internal Medicine Department, Faculty of Medicine, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Bruce Duncan
- Postgraduate Program in Epidemiology and Hospital de Clínicas de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Maria Inês Schmidt
- Postgraduate Program in Epidemiology and Hospital de Clínicas de Porto Alegre, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - José Geraldo Mill
- Department of Physiological Sciences, Federal University of Espirito Santo, Vitória, Espírito Santo, Brazil
| | | | - Alexandre da Costa Pereira
- Laboratorio de Genetica e Cardiologia Molecular, Instituto do Coração, Faculdade de Medicina da Universidade de São Paulo, São Paulo, São Paulo, Brazil
| | - Sandhi Maria Barreto
- Public Health Department, Faculty of Medicine, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
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24
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Brink JTR, Fourie R, Sebolai O, Albertyn J, Pohl CH. The role of lipid droplets in microbial pathogenesis. J Med Microbiol 2021; 70. [PMID: 34184983 DOI: 10.1099/jmm.0.001383] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The nonpolar lipids present in cells are mainly triacylglycerols and steryl esters. When cells are provided with an abundance of nutrients, these storage lipids accumulate. As large quantities of nonpolar lipids cannot be integrated into membranes, they are isolated from the cytosolic environment in lipid droplets. As specialized, inducible cytoplasmic organelles, lipid droplets have functions beyond the regulation of lipid metabolism, in cell signalling and activation, membrane trafficking and control of inflammatory mediator synthesis and secretion. Pathogens, including fungi, viruses, parasites, or intracellular bacteria can induce and may benefit from lipid droplets in infected cells. Here we review biogenesis of lipid droplets as well as the role of lipid droplets in the pathogenesis of selected viruses, bacteria, protists and yeasts.
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Affiliation(s)
- Jacobus T R Brink
- Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein, South Africa
| | - Ruan Fourie
- Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein, South Africa
| | - Olihile Sebolai
- Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein, South Africa
| | - Jacobus Albertyn
- Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein, South Africa
| | - Carolina H Pohl
- Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein, South Africa
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25
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Benaim G, Paniz-Mondolfi AE, Sordillo EM. The Rationale for Use of Amiodarone and its Derivatives for the Treatment of Chagas' Disease and Leishmaniasis. Curr Pharm Des 2021; 27:1825-1833. [PMID: 32988342 DOI: 10.2174/1381612826666200928161403] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 07/26/2020] [Accepted: 08/01/2020] [Indexed: 11/22/2022]
Abstract
The repurposing or repositioning of previously-approved drugs has become an accepted strategy for the expansion of the pharmacopeia for neglected diseases. Accordingly, amiodarone, an inexpensive and extensively- used class III antiarrhythmic has been proposed as a treatment for Chagas' disease and leishmaniasis. Amiodarone has a potent trypanocidal and leishmanicidal action, mainly acting through the disruption of parasite intracellular Ca2+ homeostasis, which is a recognized target of different drugs that have activity against trypanosomatids. Amiodarone collapses the mitochondrial electrochemical potential (Δφm) and induces the rapid alkalinization of parasite acidocalcisomes, driving a large increase in the intracellular Ca2+ concentration. Amiodarone also inhibits oxidosqualene cyclase activity, a key enzyme in the ergosterol synthesis pathway that is essential for trypanosomatid survival. In combination, these three effects lead to parasite death. Dronedarone, a drug synthesized to minimize some of the adverse effects of amiodarone, displays trypanocidal and leishmanicidal activity through the same mechanisms, but curiously, being more potent on Leishmaniasis than its predecessor. In vitro studies suggest that other recently-synthesized benzofuran derivatives can act through the same mechanisms, and produce similar effects on different trypanosomatid species. Recently, the combination of amiodarone and itraconazole has been used successfully to treat 121 dogs naturally-infected by T. cruzi, strongly supporting the potential therapeutic use of this combination against human trypanosomatid infections.
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Affiliation(s)
- Gustavo Benaim
- Instituto de Estudios Avanzados (IDEA) , Caracas, Venezuela
| | | | - Emilia Mia Sordillo
- Department of Pathology, Molecular, and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, United States
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26
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de Souza DMS, Silva MC, Farias SEB, Menezes APDJ, Milanezi CM, Lúcio KDP, Paiva NCN, de Abreu PM, Costa DC, Pinto KMDC, Costa GDP, Silva JS, Talvani A. Diet Rich in Lard Promotes a Metabolic Environment Favorable to Trypanosoma cruzi Growth. Front Cardiovasc Med 2021; 8:667580. [PMID: 34113663 PMCID: PMC8185140 DOI: 10.3389/fcvm.2021.667580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Accepted: 04/15/2021] [Indexed: 01/24/2023] Open
Abstract
Background: Trypanosoma cruzi is a protozoan parasite that causes Chagas disease and affects 6-7 million people mainly in Latin America and worldwide. Here, we investigated the effects of hyperlipidic diets, mainly composed of olive oil or lard on experimental T. cruzi infection. C57BL/6 mice were fed two different dietary types in which the main sources of fatty acids were either monounsaturated (olive oil diet) or saturated (lard diet). Methods: After 60 days on the diet, mice were infected with 50 trypomastigote forms of T. cruzi Colombian strain. We evaluated the systemic and tissue parasitism, tissue inflammation, and the redox status of mice after 30 days of infection. Results: Lipid levels in the liver of mice fed with the lard diet increased compared with that of the mice fed with olive oil or normolipidic diets. The lard diet group presented with an increased parasitic load in the heart and adipose tissues following infection as well as an increased expression of Tlr2 and Tlr9 in the heart. However, no changes were seen in the survival rates across the dietary groups. Infected mice receiving all diets presented comparable levels of recruited inflammatory cells at 30 days post-infection but, at this time, we observed lard diet inducing an overproduction of CCL2 in the cardiac tissue and its inhibition in the adipose tissue. T. cruzi infection altered liver antioxidant levels in mice, with the lard diet group demonstrating decreased catalase (CAT) activity compared with that of other dietary groups. Conclusions: Our data demonstrated that T. cruzi growth is more favorable on tissue of mice subjected to the lard diet. Our findings supported our hypothesis of a relationship between the source of dietary lipids and parasite-induced immunopathology.
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Affiliation(s)
- Débora Maria Soares de Souza
- Laboratory of Immunobiology of Inflammation, Department of Biological Sciences, Federal University of Ouro Preto, Ouro Preto, Brazil.,Biological Science Post-graduate Program, Federal University of Ouro Preto, Ouro Preto, Brazil.,Health and Nutrition Post-graduate Program, Federal University of Ouro Preto, Ouro Preto, Brazil
| | - Maria Cláudia Silva
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Silvia Elvira Barros Farias
- Laboratory of Immunobiology of Inflammation, Department of Biological Sciences, Federal University of Ouro Preto, Ouro Preto, Brazil
| | - Ana Paula de J Menezes
- Laboratory of Immunobiology of Inflammation, Department of Biological Sciences, Federal University of Ouro Preto, Ouro Preto, Brazil
| | - Cristiane Maria Milanezi
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Karine de P Lúcio
- Laboratory of Metabolic Biochemistry, Department of Biological Sciences, Federal University of Ouro Preto, Ouro Preto, Brazil
| | - Nívia Carolina N Paiva
- Center of Research in Biological Sciences, Federal University of Ouro Preto, Ouro Preto, Brazil
| | - Paula Melo de Abreu
- Biological Science Post-graduate Program, Federal University of Ouro Preto, Ouro Preto, Brazil
| | - Daniela Caldeira Costa
- Health and Nutrition Post-graduate Program, Federal University of Ouro Preto, Ouro Preto, Brazil.,Laboratory of Metabolic Biochemistry, Department of Biological Sciences, Federal University of Ouro Preto, Ouro Preto, Brazil
| | - Kelerson Mauro de Castro Pinto
- Laboratory of Immunobiology of Inflammation, Department of Biological Sciences, Federal University of Ouro Preto, Ouro Preto, Brazil.,School of Physical Education, Federal University of Ouro Preto, Ouro Preto, Brazil
| | - Guilherme de Paula Costa
- Laboratory of Immunobiology of Inflammation, Department of Biological Sciences, Federal University of Ouro Preto, Ouro Preto, Brazil.,Health and Nutrition Post-graduate Program, Federal University of Ouro Preto, Ouro Preto, Brazil
| | - João Santana Silva
- Department of Biochemistry and Immunology, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil.,Fiocruz-Bi-Institutional Translational Medicine Plataform, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - André Talvani
- Laboratory of Immunobiology of Inflammation, Department of Biological Sciences, Federal University of Ouro Preto, Ouro Preto, Brazil.,Health and Nutrition Post-graduate Program, Federal University of Ouro Preto, Ouro Preto, Brazil.,Health Science, Infectology and Tropical Medicine Post-graduate Program, Federal University of Minas Gerais, Belo Horizonte, Brazil
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27
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Planat-Benard V, Varin A, Casteilla L. MSCs and Inflammatory Cells Crosstalk in Regenerative Medicine: Concerted Actions for Optimized Resolution Driven by Energy Metabolism. Front Immunol 2021; 12:626755. [PMID: 33995350 PMCID: PMC8120150 DOI: 10.3389/fimmu.2021.626755] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 04/12/2021] [Indexed: 12/13/2022] Open
Abstract
Mesenchymal stromal cells (MSCs) are currently widely used in cell based therapy regarding to their remarkable efficacy in controlling the inflammatory status in patients. Despite recent progress and encouraging results, inconstant therapeutic benefits are reported suggesting that significant breakthroughs in the understanding of MSCs immunomodulatory mechanisms of action remains to be investigated and certainly apprehended from original point of view. This review will focus on the recent findings regarding MSCs close relationship with the innate immune compartment, i.e. granulocytes and myeloid cells. The review will also consider the intercellular mechanism of communication involved, such as factor secretion, cell-cell contact, extracellular vesicles, mitochondria transfer and efferocytosis. Immune-like-properties of MSCs supporting part of their therapeutic effect in the clinical setting will be discussed, as well as their potentials (immunomodulatory, anti-bacterial, anti-inflammatory, anti-oxidant defenses and metabolic adaptation…) and effects mediated, such as cell polarization, differentiation, death and survival on various immune and tissue cell targets determinant in triggering tissue regeneration. Their metabolic properties in term of sensing, reacting and producing metabolites influencing tissue inflammation will be highlighted. The review will finally open to discussion how ongoing scientific advances on MSCs could be efficiently translated to clinic in chronic and age-related inflammatory diseases and the current limits and gaps that remain to be overcome to achieving tissue regeneration and rejuvenation.
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Affiliation(s)
- Valerie Planat-Benard
- RESTORE, University of Toulouse, UMR 1031-INSERM, 5070-CNRS, Etablissement Français du Sang-Occitanie (EFS), Université Paul Sabatier, Toulouse, France
| | - Audrey Varin
- RESTORE, University of Toulouse, UMR 1031-INSERM, 5070-CNRS, Etablissement Français du Sang-Occitanie (EFS), Université Paul Sabatier, Toulouse, France
| | - Louis Casteilla
- RESTORE, University of Toulouse, UMR 1031-INSERM, 5070-CNRS, Etablissement Français du Sang-Occitanie (EFS), Université Paul Sabatier, Toulouse, France
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28
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Lizardo K, Ayyappan JP, Oswal N, Weiss LM, Scherer PE, Nagajyothi JF. Fat tissue regulates the pathogenesis and severity of cardiomyopathy in murine chagas disease. PLoS Negl Trop Dis 2021; 15:e0008964. [PMID: 33826636 PMCID: PMC8055007 DOI: 10.1371/journal.pntd.0008964] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 04/19/2021] [Accepted: 03/10/2021] [Indexed: 12/26/2022] Open
Abstract
Chronic Chagas cardiomyopathy (CCC) caused by a parasite Trypanosoma cruzi is a life-threatening disease in Latin America, for which there is no effective drug or vaccine. The pathogenesis of CCC is complex and multifactorial. Previously, we demonstrated T. cruzi infected mice lose a significant amount of fat tissue which correlates with progression of CCC. Based on this an investigation was undertaken during both acute and chronic T. cruzi infection utilizing the FAT-ATTAC murine model (that allows modulation of fat mass) to understand the consequences of the loss of adipocytes in the regulation of cardiac parasite load, parasite persistence, inflammation, mitochondrial stress, ER stress, survival, CCC progression and CCC severity. Mice were infected intraperitoneally with 5x104 and 103 trypomastigotes to generate acute and chronic Chagas models, respectively. Ablation of adipocytes was carried out in uninfected and infected mice by treatment with AP21087 for 10 days starting at 15DPI (acute infection) and at 65DPI (indeterminate infection). During acute infection, cardiac ultrasound imaging, histological, and biochemical analyses demonstrated that fat ablation increased cardiac parasite load, cardiac pathology and right ventricular dilation and decreased survival. During chronic indeterminate infection ablation of fat cells increased cardiac pathology and caused bi-ventricular dilation. These data demonstrate that dysfunctional adipose tissue not only affects cardiac metabolism but also the inflammatory status, morphology and physiology of the myocardium and increases the risk of progression and severity of CCC in murine Chagas disease. An estimated eight million individuals worldwide are chronically infected with Trypanosoma cruzi, the causative agent of Chagas disease (CD). Of these infected individuals, 30% will develop chronic Chagas cardiomyopathy (CCC), a major cause of morbidity and mortality in CD endemic regions for which there is currently no effective drug or vaccine. The molecular mechanisms underlying CCC pathogenesis, progression and severity are complex, multi-factorial and not completely understood. Earlier, it was demonstrated that T. cruzi persists in adipose tissue, alters adipocyte physiology, and causes loss of body fat mass in T. cruzi infected mice with CCC. In this study, the authors examined the role of visceral fat pad (adipose tissue) in regulating the pathogenic signalling in the development and progression of CCC using a fat mass modulatable transgenic mouse CD model. Loss of fat cells increased cardiac lipid load and deregulated cardiac lipid metabolism leading to mitochondrial oxidative stress and endoplasmic reticulum stress and severe CCC. In addition, loss of fat cells increased cardiac parasite load during acute infection and altered immune signalling in the hearts of infected mice during chronic infection. These discoveries underscore the importance of adipose tissue in the development of CCC.
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Affiliation(s)
- Kezia Lizardo
- Center for Discovery and Innovation, Hackensack University Medical Center, Nutley, New Jersey, United States of America
| | | | - Neelam Oswal
- Center for Discovery and Innovation, Hackensack University Medical Center, Nutley, New Jersey, United States of America
| | - Louis M. Weiss
- Department of Pathology, Albert Einstein College of Medicine, Bronx, New York, New York, United States of America
- Department of Medicine, Albert Einstein College of medicine, Bronx, New York, New York, United States of America
| | - Philipp E. Scherer
- The Touchstone Diabetes Center, UT Southwestern Medical Center, Dallas, Texas, United States of America
| | - Jyothi F. Nagajyothi
- Center for Discovery and Innovation, Hackensack University Medical Center, Nutley, New Jersey, United States of America
- * E-mail:
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Functional Autoreactive Anti-β2 Adrenergic Antibodies May Contribute to Insulin Resistance Profile in Patients with Chronic Chagas Disease. Pathogens 2021; 10:pathogens10030378. [PMID: 33801107 PMCID: PMC8004215 DOI: 10.3390/pathogens10030378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/17/2021] [Accepted: 03/18/2021] [Indexed: 12/05/2022] Open
Abstract
Potential activation of β2 adrenergic receptors (β2AR) by specific autoreactive antibodies (Abs) that arise during the host reaction to Trypanosoma cruzi, could contribute to the elevated prevalence of metabolic disturbances described in patients with chronic Chagas disease (CCD). This study aimed to determine the prevalence of anti-β2AR Abs in patients with CCD, as well as the correlation of these Abs with the presence of glucose and lipid metabolism disturbances, in order to explore their association with an insulin resistance profile. Additionally, we tested the functional effects of anti-β2AR Abs employing an in vitro bioassay with neuroendocrine cells expressing β2AR. A clinical and metabolic evaluation including an OGTT was performed in 80 CCD patients and 40 controls. Anti-β2AR Abs were measured by an in-house-developed ELISA, and the β2 adrenergic activity of affinity-purified IgG fractions from patient’ sera were assayed in CRE-Luc and POMCLuc transfected AtT-20 cells. A higher proportion of dysglycemia (72.5% vs. 37.5%; p = 0.001) was observed in the CCD group, accompanied by increased HOMA2-IR (p = 0.019), especially in subjects with Abs (+). Anti-β2AR Abs reactivity (7.01 (2.39–20.5); p = 0.0004) and age >50 years (3.83 (1.30–11.25); p = 0.014) resulted as relevant for IR prediction (AUC: 0.786). Concordantly, Abs (+) CCD patients showed elevated metabolic risk scores and an increased prevalence of atherogenic dyslipidemia (p = 0.040), as compared to Abs (−) patients and controls. On functional bioassays, Abs exerted specific and dose-dependent β2-agonist effects. Our findings suggest that anti-β2AR Abs may induce the activation of β2AR in other tissues besides the heart; furthermore, we show that in patients with CCD these Abs are associated with an insulin resistance profile and atherogenic dyslipidemia, providing biological plausibility to the hypothesis that adrenergic activation by anti-β2AR Abs could contribute to the pathogenesis of metabolic disturbances described in CCD patients, increasing their cardiovascular risk.
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Ferri G, Edreira MM. All Roads Lead to Cytosol: Trypanosoma cruzi Multi-Strategic Approach to Invasion. Front Cell Infect Microbiol 2021; 11:634793. [PMID: 33747982 PMCID: PMC7973469 DOI: 10.3389/fcimb.2021.634793] [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: 11/28/2020] [Accepted: 01/27/2021] [Indexed: 12/17/2022] Open
Abstract
T. cruzi has a complex life cycle involving four developmental stages namely, epimastigotes, metacyclic trypomastigotes, amastigotes and bloodstream trypomastigotes. Although trypomastigotes are the infective forms, extracellular amastigotes have also shown the ability to invade host cells. Both stages can invade a broad spectrum of host tissues, in fact, almost any nucleated cell can be the target of infection. To add complexity, the parasite presents high genetic variability with differential characteristics such as infectivity. In this review, we address the several strategies T. cruzi has developed to subvert the host cell signaling machinery in order to gain access to the host cell cytoplasm. Special attention is made to the numerous parasite/host protein interactions and to the set of signaling cascades activated during the formation of a parasite-containing vesicle, the parasitophorous vacuole, from which the parasite escapes to the cytosol, where differentiation and replication take place.
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Affiliation(s)
- Gabriel Ferri
- CONICET-Universidad de Buenos Aires, IQUIBICEN, Ciudad de Buenos Aires, Argentina
| | - Martin M Edreira
- CONICET-Universidad de Buenos Aires, IQUIBICEN, Ciudad de Buenos Aires, Argentina.,Laboratorio de Biología Molecular de Trypanosoma, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos, Ciudad de Buenos Aires, Argentina.,Department of Pharmacology and Chemical Biology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
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Hylton A, Fitzpatrick DM, Suepaul R, Dobson AP, Charles RA, Peterson JK. Preliminary Characterization of Triatomine Bug Blood Meals on the Island of Trinidad Reveals Opportunistic Feeding Behavior on Both Human and Animal Hosts. Trop Med Infect Dis 2020; 5:tropicalmed5040166. [PMID: 33158108 PMCID: PMC7709638 DOI: 10.3390/tropicalmed5040166] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/24/2020] [Accepted: 10/30/2020] [Indexed: 11/16/2022] Open
Abstract
Chagas disease is a neglected tropical disease caused by infection with Trypanosoma cruzi. The parasite is endemic to the Americas, including the Caribbean, where it is vectored by triatomine bugs. Although Chagas disease is not considered a public health concern in the Caribbean islands, studies in Trinidad have found T. cruzi-seropositive humans and T. cruzi-infected triatomine bugs. However, little is known about triatomine bug host preferences in Trinidad, making it difficult to evaluate local risk of vector-borne T. cruzi transmission to humans. To investigate this question, we collected triatomine bugs in Trinidad and diagnosed each one for T. cruzi infection (microscopy and PCR). We then carried out a blood meal analysis using DNA extracted from each bug (PCR and sequencing). Fifty-five adult bugs (54 Panstrongylus geniculatus and one Rhodnius pictipes) were collected from five of 21 sample sites. All successful collection sites were residential. Forty-six out of the 55 bugs (83.6%) were infected with T. cruzi. Fifty-three blood meal hosts were successfully analyzed (one per bug), which consisted of wild birds (7% of all blood meals), wild mammals (17%), chickens (19%), and humans (57%). Of the 30 bugs with human blood meals, 26 (87%) were from bugs infected with T. cruzi. Although preliminary, our results align with previous work in which P. geniculatus in Trinidad had high levels of T. cruzi infection. Furthermore, our findings suggest that P. geniculatus moves between human and animal environments in Trinidad, feeding opportunistically on a wide range of species. Our findings highlight a critical need for further studies of Chagas disease in Trinidad in order to estimate the public health risk and implement necessary preventative and control measures.
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Affiliation(s)
- Alexandra Hylton
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA; (A.H.); (A.P.D.)
- Department of Pathobiology, School of Veterinary Medicine, St. George’s University, True Blue, Grenada;
- College of Medicine, University of Oklahoma, Oklahoma City, OK 73117, USA
| | - Daniel M. Fitzpatrick
- Department of Pathobiology, School of Veterinary Medicine, St. George’s University, True Blue, Grenada;
| | - Rod Suepaul
- Department of Basic Veterinary Sciences, School of Veterinary Medicine, Faculty of Medical Sciences, The University of the West Indies, Trinidad and Tobago, West Indies; (R.S.); (R.A.C.)
| | - Andrew P. Dobson
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA; (A.H.); (A.P.D.)
| | - Roxanne A. Charles
- Department of Basic Veterinary Sciences, School of Veterinary Medicine, Faculty of Medical Sciences, The University of the West Indies, Trinidad and Tobago, West Indies; (R.S.); (R.A.C.)
| | - Jennifer K. Peterson
- Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA; (A.H.); (A.P.D.)
- University Honors College, Portland State University, Portland, OR 97207-075, USA
- Correspondence:
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Lidani KCF, Sandri TL, Castillo-Neyra R, Andrade FA, Guimarães CM, Marques EN, Beltrame MH, Gilman RH, de Messias-Reason I. Clinical and epidemiological aspects of chronic Chagas disease from Southern Brazil. Rev Soc Bras Med Trop 2020; 53:e20200225. [PMID: 33111908 PMCID: PMC7580281 DOI: 10.1590/0037-8682-0225-2020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 07/31/2020] [Indexed: 01/15/2023] Open
Abstract
INTRODUCTION Patients with Chagas disease (CD), caused by Trypanosoma cruzi, present a higher risk of developing other chronic diseases, which may contribute to CD severity. Since CD is underreported in the southern state of Paraná, Brazil, we aimed to characterize clinical and epidemiological aspects of individuals chronically infected with T. cruzi in Southern Brazil. METHODS A community hospital-based study was performed, recording clinical/demographic characteristics of 237 patients with CD from Southern Brazil. To estimate the association between different forms of CD and sociodemographic and clinical variables, multiple logistic regression models were built using the Akaike information criterion. RESULTS Mean age was 57.5 years and 59% were females. Most patients' (60%) place of origin/birth was within Paraná and they were admitted to the CD outpatient clinic after presenting with cardiac/digestive symptoms (64%). The predominant form of CD was cardiac (53%), followed by indeterminate (36%), and digestive (11%). The main electrocardiographic changes were in the right bundle branch block (39%) and left anterior fascicular block (32%). The average number of comorbidities per patient was 3.9±2.3; systemic arterial hypertension was most common (64%), followed by dyslipidemia (34%) and diabetes (19%); overlapping comorbidities were counted separately. Male sex was associated with symptomatic cardiac CD (OR=2.92; 95%CI: 1.05-8.12; p=0.040). CONCLUSIONS This study provided greater understanding of the distribution and clinical profile of CD patients in Southern Brazil, indicating a high prevalence of comorbidities among these patients who are a vulnerable group due to advanced age and substantial risk of morbidity.
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Affiliation(s)
| | - Thaisa Lucas Sandri
- University of Tübingen, Institute of Tropical Medicine, Tübingen,
BW, Germany
| | - Ricardo Castillo-Neyra
- University of Pennsylvania, Perelman School of Medicine, Department
of Biostatistics, Epidemiology & Informatics, Philadelphia, PA, USA
| | - Fabiana Antunes Andrade
- Universidade Federal do Paraná, Departamento de Patologia Médica,
Hospital de Clínicas, Curitiba, PR, Brasil
| | - Cesar Maistro Guimarães
- Universidade Federal do Paraná, Hospital de Clínicas, Unidade de
Terapia Intensiva, Curitiba, PR, Brasil
| | - Eduardo Nunes Marques
- Universidade Federal do Paraná, Departamento de Patologia Médica,
Hospital de Clínicas, Curitiba, PR, Brasil
| | - Marcia Holsbach Beltrame
- Universidade Federal do Paraná, Departamento de Genética,
Laboratório de Genética Molecular Humana, Curitiba, PR, Brasil
| | - Robert Hugh Gilman
- Johns Hopkins Bloomberg School of Public Health, Department of
International Health, Baltimore, MD, USA
| | - Iara de Messias-Reason
- Universidade Federal do Paraná, Departamento de Patologia Médica,
Hospital de Clínicas, Curitiba, PR, Brasil
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Santamaría MH, Ríos LD, Corral RS. Trypanosoma cruzi down-regulates adiponectin expression in mouse adipocytes via the NFAT signaling pathway. Microbes Infect 2020; 23:104757. [PMID: 32956869 DOI: 10.1016/j.micinf.2020.09.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 09/08/2020] [Accepted: 09/09/2020] [Indexed: 11/29/2022]
Abstract
Upon infection by Trypanosoma cruzi, adipocytes adopt a clearly defined inflammatory phenotype with concomitant down-regulation of adiponectin expression, which influences the pathogenesis of Chagas heart disease. Herein, we examined how T. cruzi interferes with transcriptional regulation of adiponectin production in mouse adipocytes. The invading pathogen activates the Ca2+/calcineurin/NFATc4 signaling pathway in 3T3-L1 cells. Parasite-induced early activation of NFATc4 is involved in repressing adiponectin expression through recognition of the specific response element located at (-363 to -344) of the gene promoter. Nuclear import of dephosphorylated NFATc4 and decreased adiponectin levels were further demonstrated in white adipose tissue from acutely infected mice. Our current findings point to better clarify the complex role of adipose tissue in the modulation of inflammatory mechanisms operative during T. cruzi infection.
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Affiliation(s)
- Miguel H Santamaría
- Laboratorio de Biología Experimental, Centro de Estudios Metabólicos, Santander, Cantabria, Spain
| | - Luisa Delgado Ríos
- Laboratorio de Biología Experimental, Centro de Estudios Metabólicos, Santander, Cantabria, Spain
| | - Ricardo S Corral
- Instituto Multidisciplinario de Investigaciones en Patologías Pediátricas (IMIPP, CONICET-GCBA), Servicio de Parasitología-Chagas, Hospital de Niños "Dr. Ricardo Gutiérrez", Buenos Aires, Argentina.
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Madigan R, Majoy S, Ritter K, Luis Concepción J, Márquez ME, Silva SC, Zao CL, Pérez Alvarez A, Rodriguez-Morales AJ, Mogollón-Mendoza AC, Estep JS, Benaím G, Paniz-Mondolfi AE. Investigation of a combination of amiodarone and itraconazole for treatment of American trypanosomiasis (Chagas disease) in dogs. J Am Vet Med Assoc 2020; 255:317-329. [PMID: 31298647 DOI: 10.2460/javma.255.3.317] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To evaluate clinical, serologic, parasitological, and histologic outcomes of dogs with naturally occurring Trypanosoma cruzi infection treated for 12 months with amiodarone and itraconazole. ANIMALS 121 dogs from southern Texas and southern Louisiana. PROCEDURES Treatment group dogs (n = 105) received a combination of amiodarone hydrochloride (approx 7.5 mg/kg [3.4 mg/lb], PO, q 24 h, with or without a loading dosage protocol) and itraconazole (approx 10 mg/kg [4.5 mg/lb], PO, q 24 h, adjusted to maintain a plasma concentration of 1 to 2 μg/mL) for 12 months. Control group dogs (n = 16) received no antitrypanosomal medications. Serologic assays for anti-T cruzi antibodies, PCR assays for T cruzi DNA in blood, and physical evaluations were performed 1, 6, 9, 12, and 24 months after study initiation. Adverse events were recorded. Outcomes of interest were recorded and compared between groups. RESULTS 86 of 105 treatment group dogs and 8 of 16 control group dogs survived and completed the study (5/19 and 6/7 deaths of treatment and control group dogs, respectively, were attributed to T cruzi infection). Mean survival time until death attributed to T cruzi was longer (23.19 vs 15.64 months) for the treatment group. Results of PCR assays were negative for all (n = 92) tested treatment group dogs (except for 1 dog at 1 time point) from 6 to 24 months after study initiation. Clinical improvement in ≥ 1 clinical sign was observed in 53 of 54 and 0 of 10 treatment and control group dogs, respectively; adverse drug events were minor and reversible. CONCLUSIONS AND CLINICAL RELEVANCE Results suggested efficacy of this trypanocidal drug combination for the treatment of T cruzi infection in dogs.
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Abstract
Parasitic diseases, such as sleeping sickness, Chagas disease and malaria, remain a major cause of morbidity and mortality worldwide, but particularly in tropical, developing countries. Controlling these diseases requires a better understanding of host-parasite interactions, including a deep appreciation of parasite distribution in the host. The preferred accumulation of parasites in some tissues of the host has been known for many years, but recent technical advances have allowed a more systematic analysis and quantifications of such tissue tropisms. The functional consequences of tissue tropism remain poorly studied, although it has been associated with important aspects of disease, including transmission enhancement, treatment failure, relapse and clinical outcome. Here, we discuss current knowledge of tissue tropism in Trypanosoma infections in mammals, describe potential mechanisms of tissue entry, comparatively discuss relevant findings from other parasitology fields where tissue tropism has been extensively investigated, and reflect on new questions raised by recent discoveries and their potential impact on clinical treatment and disease control strategies.
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Affiliation(s)
- Sara Silva Pereira
- Instituto de Medicina Molecular-João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa , Lisbon , Portugal
| | - Sandra Trindade
- Instituto de Medicina Molecular-João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa , Lisbon , Portugal
| | - Mariana De Niz
- Instituto de Medicina Molecular-João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa , Lisbon , Portugal
| | - Luisa M Figueiredo
- Instituto de Medicina Molecular-João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa , Lisbon , Portugal
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36
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Induction of Effective Immunity against Trypanosoma cruzi. Infect Immun 2020; 88:IAI.00908-19. [PMID: 31907197 DOI: 10.1128/iai.00908-19] [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: 12/02/2019] [Accepted: 12/22/2019] [Indexed: 12/17/2022] Open
Abstract
Chagas disease, caused by Trypanosoma cruzi, is a major public health issue. Limitations in immune responses to natural T. cruzi infection usually result in parasite persistence with significant complications. A safe, effective, and reliable vaccine would reduce the threat of T. cruzi infections; however, no suitable vaccine is currently available due to a lack of understanding of the requirements for induction of fully protective immunity. We established a T. cruzi strain expressing green fluorescent protein (GFP) under the control of dihydrofolate reductase degradation domain (DDD) with a hemagglutinin (HA) tag, GFP-DDDHA, which was induced by trimethoprim-lactate (TMP-lactate), which results in the death of intracellular parasites. This attenuated strain induces very strong protection against reinfection. Using this GFP-DDDHA strain, we investigated the mechanisms underlying the protective immune response in mice. Immunization with this strain led to a response that included high levels of gamma interferon (IFN-γ) and tumor necrosis factor alpha (TNF-α), as well as a rapid expansion of effector and memory T cells in the spleen. More CD8+ T cells differentiate to memory cells following GFP-DDDHA infection than after infection with a wild-type (WT) strain. The GFP-DDDHA strain also provides cross-protection against another T. cruzi isolate. IFN-γ is important in mediating the protection, as IFN-γ knockout (KO) mice failed to acquire protection when infected with the GFP-DDDHA strain. Immune cells demonstrated earlier and stronger protective responses in immunized mice after reinfection with T. cruzi than those in naive mice. Adoptive transfers with several types of immune cells or with serum revealed that several branches of the immune system mediated protection. A combination of serum and natural killer cells provided the most effective protection against infection in these transfer experiments.
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Sass G, Madigan RT, Joubert LM, Bozzi A, Sayed N, Wu JC, Stevens DA. A Combination of Itraconazole and Amiodarone Is Highly Effective against Trypanosoma cruzi Infection of Human Stem Cell-Derived Cardiomyocytes. Am J Trop Med Hyg 2020; 101:383-391. [PMID: 31219005 DOI: 10.4269/ajtmh.19-0023] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Trypanosoma cruzi is the etiologic agent of Chagas disease (CD), which can result in severe cardiomyopathy. Trypanosoma cruzi is endemic to the Americas, and of particular importance in Latin America. In the United States and other non-endemic countries, rising case numbers have also been observed. The currently used drugs are benznidazole (BNZ) and nifurtimox, which have limited efficacy during chronic infection. We repurposed itraconazole (ICZ), originally an antifungal, in combination with amiodarone (AMD), an antiarrhythmic, with the goal of interfering with T. cruzi infection. Human pluripotent stem cells (hiPSCs) were differentiated into cardiomyocytes (hiPSC-CMs). Vero cells or hiPSC-CMs were infected with T. cruzi trypomastigotes of the II or I strain in the presence of ICZ and/or AMD. After 48 hours, cells were Giemsa stained, and infection and multiplication were evaluated microscopically. Trypanosoma cruzi infection and multiplication were evalutated also by electron microscopy. BNZ was used as a reference compound. Cell metabolism in the presence of test substances was assessed. Itraconazole and AMD showed strain- and dose-dependent interference with T. cruzi infection and multiplication in Vero cells or hiPSC-CMs. Combinations of ICZ and AMD were more effective against T. cruzi than the single substances, or BNZ, without affecting host cell metabolism, and better preserving host cell integrity during infection. Our in vitro data in hiPSC-CMs suggest that a combination of ICZ and AMD might serve as a treatment option for CD in patients, but that different responses due to T. cruzi strain differences have to be taken into account.
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Affiliation(s)
- Gabriele Sass
- California Institute for Medical Research, San Jose, California
| | - Roy T Madigan
- Animal Hospital of Smithson Valley, Spring Branch, Texas
| | - Lydia-Marie Joubert
- EM Unit, Central Analytical Facilities, Stellenbosch University, Stellenbosch, South Africa.,Department of Microbiology, Stellenbosch University, Stellenbosch, South Africa
| | - Adriana Bozzi
- California Institute for Medical Research, San Jose, California.,Centro de Pesquisas René Rachou, FIOCRUZ, Belo Horizonte, Brazil.,Division of Cardiology, Department of Medicine, School of Medicine, Stanford University, Stanford, California.,School of Medicine, Cardiovascular Institute, Stanford University, Stanford, California
| | - Nazish Sayed
- School of Medicine, Cardiovascular Institute, Stanford University, Stanford, California.,Division of Cardiology, Department of Medicine, School of Medicine, Stanford University, Stanford, California
| | - Joseph C Wu
- School of Medicine, Cardiovascular Institute, Stanford University, Stanford, California.,Division of Cardiology, Department of Medicine, School of Medicine, Stanford University, Stanford, California
| | - David A Stevens
- Division of Infectious Diseases and Geographic Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, California.,California Institute for Medical Research, San Jose, California
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Horta MF, Andrade LO, Martins-Duarte ÉS, Castro-Gomes T. Cell invasion by intracellular parasites - the many roads to infection. J Cell Sci 2020; 133:133/4/jcs232488. [PMID: 32079731 DOI: 10.1242/jcs.232488] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Intracellular parasites from the genera Toxoplasma, Plasmodium, Trypanosoma, Leishmania and from the phylum Microsporidia are, respectively, the causative agents of toxoplasmosis, malaria, Chagas disease, leishmaniasis and microsporidiosis, illnesses that kill millions of people around the globe. Crossing the host cell plasma membrane (PM) is an obstacle these parasites must overcome to establish themselves intracellularly and so cause diseases. The mechanisms of cell invasion are quite diverse and include (1) formation of moving junctions that drive parasites into host cells, as for the protozoans Toxoplasma gondii and Plasmodium spp., (2) subversion of endocytic pathways used by the host cell to repair PM, as for Trypanosoma cruzi and Leishmania, (3) induction of phagocytosis as for Leishmania or (4) endocytosis of parasites induced by specialized structures, such as the polar tubes present in microsporidian species. Understanding the early steps of cell entry is essential for the development of vaccines and drugs for the prevention or treatment of these diseases, and thus enormous research efforts have been made to unveil their underlying biological mechanisms. This Review will focus on these mechanisms and the factors involved, with an emphasis on the recent insights into the cell biology of invasion by these pathogens.
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Affiliation(s)
- Maria Fátima Horta
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, CEP 31270-901, Brazil
| | - Luciana Oliveira Andrade
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, CEP 31270-901, Brazil
| | - Érica Santos Martins-Duarte
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, CEP 31270-901, Brazil
| | - Thiago Castro-Gomes
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, CEP 31270-901, Brazil
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Walenna NF, Kurihara Y, Chou B, Ishii K, Soejima T, Hiromatsu K. Chlamydia pneumoniae infection-induced endoplasmic reticulum stress causes fatty acid-binding protein 4 secretion in murine adipocytes. J Biol Chem 2020; 295:2713-2723. [PMID: 31992597 DOI: 10.1074/jbc.ra119.010683] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 01/23/2020] [Indexed: 12/28/2022] Open
Abstract
Fatty acid-binding protein 4 (FABP4) is predominantly expressed in adipocytes and macrophages and regulates metabolic and inflammatory pathways. FABP4 is secreted from adipocytes during lipolysis, and elevated circulating FABP4 levels are associated with obesity, metabolic disease, and cardiac dysfunction. We previously reported that the bacterial respiratory pathogen Chlamydia pneumoniae infects murine adipocytes and exploits host FABP4 to mobilize fat and replicate within adipocytes. However, whether C. pneumoniae induces FABP4 secretion from adipocytes has not been determined. Here, we show that FABP4 is actively secreted by murine adipocytes upon C. pneumoniae infection. Chemical inhibition of lipase activity and genetic deficiency of hormone-sensitive lipase blocked FABP4 secretion from C. pneumoniae-infected adipocytes. Mechanistically, C. pneumoniae infection induced endoplasmic reticulum (ER) stress and the unfolded protein response (UPR), resulting in elevated levels of mitochondrial reactive oxygen species and cytosolic Ca2+ Of note, exposure to a mitochondrial reactive oxygen species-specific scavenger, MitoTEMPO, reduced FABP4 release from C. pneumoniae-infected adipocytes. Furthermore, treatment with azoramide, which protects cells against ER stress, decreased FABP4 release from C. pneumoniae-infected adipocytes. Using gene silencing of CHOP (C/EBP homologous protein), a central regulator of ER stress, we further validated the role of C. pneumoniae infection-induced ER stress/UPR in promoting FABP4 secretion. Overall, these results indicate that C. pneumoniae infection robustly induces FABP4 secretion from adipocytes by stimulating ER stress/UPR. Our findings shed additional light on the etiological link between C. pneumoniae infection and metabolic syndrome.
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Affiliation(s)
- Nirwana Fitriani Walenna
- Department of Microbiology & Immunology, Fukuoka University Faculty of Medicine, Fukuoka 814-0180, Japan; Department of Bacteriology, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka 812-8582, Japan
| | - Yusuke Kurihara
- Department of Microbiology & Immunology, Fukuoka University Faculty of Medicine, Fukuoka 814-0180, Japan
| | - Bin Chou
- Department of Microbiology & Immunology, Fukuoka University Faculty of Medicine, Fukuoka 814-0180, Japan
| | - Kazunari Ishii
- Department of Microbiology & Immunology, Fukuoka University Faculty of Medicine, Fukuoka 814-0180, Japan
| | - Toshinori Soejima
- Department of Microbiology & Immunology, Fukuoka University Faculty of Medicine, Fukuoka 814-0180, Japan
| | - Kenji Hiromatsu
- Department of Microbiology & Immunology, Fukuoka University Faculty of Medicine, Fukuoka 814-0180, Japan.
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40
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Ayyappan JP, Lizardo K, Wang S, Yurkow E, Nagajyothi JF. Inhibition of SREBP Improves Cardiac Lipidopathy, Improves Endoplasmic Reticulum Stress, and Modulates Chronic Chagas Cardiomyopathy. J Am Heart Assoc 2020; 9:e014255. [PMID: 31973605 PMCID: PMC7033903 DOI: 10.1161/jaha.119.014255] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Background Trypanosoma cruzi is an intracellular parasite that causes debilitating chronic Chagas cardiomyopathy (CCM), for which there is no effective drug or vaccine. Previously, we demonstrated increased cardiac lipid accumulation and endoplasmic reticulum stress in mice with CCM. Increased endoplasmic reticulum stress may lead to uncontrolled SREBP (sterol regulatory element-binding protein) activation and lipotoxicity in the myocardium during the intermediate stage of infection and result in progression to chronic CCM. Therefore, we investigated whether inhibiting SREBP activation modulates CCM progression in T cruzi-infected mice. Methods and Results T cruzi-infected cultured cardiomyocytes (3:1 multiplicity of infection; 24 hours postinfection) were incubated with betulin (3 μmol/L per mL), an SREBP inhibitor, for 24 hours. Quantitative polymerase chain reaction and Western blotting analyses demonstrated a significant reduction in SREBP activation, lipid biosynthesis, and endoplasmic reticulum stress in betulin-treated infected cells compared with untreated cells. T cruzi infected (103 trypomastigotes of the Brazil strain) Swiss mice were fed a customized diet containing betulin during the intermediate stage (40 days postinfection) until the chronic stage (120 DPI). Cardiac ultrasound imaging and histological and biochemical analyses demonstrated anatomical and functional improvements in betulin-treated, infected mice compared with untreated controls: we observed a significant reduction in cholesterol/fatty acid synthesis that may result in the observed cardiac reduction in cardiac lipid accumulation, mitochondrial and endoplasmic reticulum stress, and ventricular enlargement. Conclusions Our study (in vitro and vivo) demonstrates that inhibition of cardiac SREBP activation reduces cardiac damage during T cruzi infection and modulates CCM in a murine Chagas model.
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Affiliation(s)
- Janeesh Plakkal Ayyappan
- Department of Microbiology, Biochemistry and Molecular Genetics Public Health Research Institute New Jersey Medical School Newark NY
| | - Kezia Lizardo
- Department of Microbiology, Biochemistry and Molecular Genetics Public Health Research Institute New Jersey Medical School Newark NY
| | - Sean Wang
- Rutgers Molecular Imaging Center Piscataway NJ
| | | | - Jyothi F Nagajyothi
- Department of Microbiology, Biochemistry and Molecular Genetics Public Health Research Institute New Jersey Medical School Newark NY
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Pesce Viglietti AI, Giambartolomei GH, Quarleri J, Delpino MV. Brucella abortus Infection Modulates 3T3-L1 Adipocyte Inflammatory Response and Inhibits Adipogenesis. Front Endocrinol (Lausanne) 2020; 11:585923. [PMID: 33071987 PMCID: PMC7531218 DOI: 10.3389/fendo.2020.585923] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 09/08/2020] [Indexed: 01/18/2023] Open
Abstract
Brucellosis is a prevalent global zoonotic infection but has far more impact in developing countries. The adipocytes are the most abundant cell type of adipose tissue and their secreted factors play an important role in several aspects of the innate and adaptive immune response. Here, we demonstrated the ability of Brucella abortus to infect and replicate in both adipocytes and its precursor cells (pre-adipocytes) derived from 3T3-L1 cell line. Additionally, infection of pre-adipocytes also inhibited adipogenesis in a mechanism independent of bacterial viability and dependent on lipidated outer membrane protein (L-Omp19). B. abortus infection was able to modulate the secretion of IL-6 and the matrix metalloproteases (MMPs) -2 and-9 in pre-adipocytes and adipocytes, and also modulated de transcription of adiponectin, leptin, and resistin in differentiated adipocytes. B. abortus-infected macrophages also modulate adipocyte differentiation involving a TNF-α dependent mechanism, thus suggesting a plausible interplay between B. abortus, adipocytes, and macrophages. In conclusion, B. abortus is able to alter adipogenesis process in adipocytes and its precursors directly after their infection, or merely their exposure to the B. abortus lipoproteins, and indirectly through soluble factors released by B. abortus-infected macrophages.
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Affiliation(s)
- Ayelén Ivana Pesce Viglietti
- Instituto de Inmunología, Genética y Metabolismo (INIGEM), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires (UBA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Guillermo Hernán Giambartolomei
- Instituto de Inmunología, Genética y Metabolismo (INIGEM), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires (UBA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Jorge Quarleri
- Instituto de Investigaciones Biomédicas en Retrovirus y Sida (INBIRS), Facultad de Medicina, Universidad de Buenos Aires (UBA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- *Correspondence: María Victoria Delpino, ; Jorge Quarleri,
| | - María Victoria Delpino
- Instituto de Inmunología, Genética y Metabolismo (INIGEM), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires (UBA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
- *Correspondence: María Victoria Delpino, ; Jorge Quarleri,
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Immune-neuroendocrine and metabolic disorders in human and experimental T. cruzi infection: New clues for understanding Chagas disease pathology. Biochim Biophys Acta Mol Basis Dis 2019; 1866:165642. [PMID: 31866417 DOI: 10.1016/j.bbadis.2019.165642] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 12/13/2019] [Indexed: 12/12/2022]
Abstract
Studies in mice undergoing acute Trypanosoma cruzi infection and patients with Chagas disease, led to identify several immune-neuroendocrine disturbances and metabolic disorders. Here, we review relevant findings concerning such abnormalities and discuss their possible influence on disease physiopathology.
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Lucchetti BFC, Boaretto N, Lopes FNC, Malvezi AD, Lovo-Martins MI, Tatakihara VLH, Fattori V, Pereira RS, Verri WA, de Almeida Araujo EJ, Pinge-Filho P, Martins-Pinge MC. Metabolic syndrome agravates cardiovascular, oxidative and inflammatory dysfunction during the acute phase of Trypanosoma cruzi infection in mice. Sci Rep 2019; 9:18885. [PMID: 31827186 PMCID: PMC6906468 DOI: 10.1038/s41598-019-55363-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 11/26/2019] [Indexed: 12/20/2022] Open
Abstract
We evaluated the influence of metabolic syndrome (MS) on acute Trypanosoma cruzi infection. Obese Swiss mice, 70 days of age, were subjected to intraperitoneal infection with 5 × 102 trypomastigotes of the Y strain. Cardiovascular, oxidative, inflammatory, and metabolic parameters were evaluated in infected and non-infected mice. We observed higher parasitaemia in the infected obese group (IOG) than in the infected control group (ICG) 13 and 15 days post-infection. All IOG animals died by 19 days post-infection (dpi), whereas 87.5% of the ICG survived to 30 days. Increased plasma nitrite levels in adipose tissue and the aorta were observed in the IOG. Higher INF-γ and MCP-1 concentrations and lower IL-10 concentrations were observed in the IOG compared to those in the ICG. Decreased insulin sensitivity was observed in obese animals, which was accentuated after infection. Higher parasitic loads were found in adipose and hepatic tissue, and increases in oxidative stress in cardiac, hepatic, and adipose tissues were characteristics of the IOG group. Thus, MS exacerbates experimental Chagas disease, resulting in greater damage and decreased survival in infected animals, and might be a warning sign that MS can influence other pathologies.
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Affiliation(s)
- Bruno Fernando Cruz Lucchetti
- Department of Physiological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, PR, Brazil
- Department of Physiotherapy, University Center of Araguaia Valley, Barra do Garças, MT, Brazil
| | - Natalia Boaretto
- Department of Physiological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, PR, Brazil
| | - Fernanda Novi Cortegoso Lopes
- Department of Physiological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, PR, Brazil
| | - Aparecida Donizette Malvezi
- Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, PR, Brazil
| | - Maria Isabel Lovo-Martins
- Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, PR, Brazil
| | - Vera Lúcia Hideko Tatakihara
- Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, PR, Brazil
| | - Victor Fattori
- Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, PR, Brazil
| | - Rito Santo Pereira
- Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, PR, Brazil
| | - Waldiceu Aparecido Verri
- Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, PR, Brazil
| | | | - Phileno Pinge-Filho
- Department of Pathological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, PR, Brazil
| | - Marli Cardoso Martins-Pinge
- Department of Physiological Sciences, Center of Biological Sciences, State University of Londrina, Londrina, PR, Brazil.
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Gonzalez-Ortiz LM, Sanchez-Villamil JP, Celis-Rodriguez MA, Lineros G, Sanabria-Barrera S, Serrano NC, Rincon MY, Bautista-Nino PK. Measuring mitochondrial respiration in adherent cells infected with Trypanosoma cruzi Chagas, 1909 using Seahorse extracellular flux analyser. Folia Parasitol (Praha) 2019; 66. [PMID: 31631068 DOI: 10.14411/fp.2019.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 05/06/2019] [Indexed: 11/19/2022]
Abstract
Infection with Trypanosoma cruzi Chagas, 1909 is reported to increase the production of reactive oxygen species in patients with Chagas disease. Mitochondria dysfunction, host inflammatory response and inadequate antioxidant response are described as the main factors leading to oxidative stress during acute and chronic stages of the disease. The Seahorse XFe24 extracellular flux platform allows energy metabolism determination through mitochondrial respiration and glycolysis measurements. XFe24 platform can be used in in vitro models of T. cruzi-infected cells, which allow the assessment and even modulation of endogenous conditions of infected cells, generating readouts of real-time cellular bioenergetics changes. In this protocol, we standardised the use of XFe24 technology in T. cruzi infected AC16 cardiomyocytes and SGHPL-5 trophoblasts. In addition, we provide a list of optimised assay specifications, advantages and critical steps to be considered during the process. Cardiomyocytes and trophoblasts are attractive target cells to evaluate the metabolic environment in acute, chronic and congenital Chagas transmission scenarios.
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Affiliation(s)
- Laura Maria Gonzalez-Ortiz
- Traslational Biomedical Research Group, Centro de Investigaciones, Fundacion Cardiovascular de Colombia, Santander, Colombia
| | - Juana Patricia Sanchez-Villamil
- Traslational Biomedical Research Group, Centro de Investigaciones, Fundacion Cardiovascular de Colombia, Santander, Colombia
| | - Mike A Celis-Rodriguez
- Traslational Biomedical Research Group, Centro de Investigaciones, Fundacion Cardiovascular de Colombia, Santander, Colombia
| | - Giovanni Lineros
- Traslational Biomedical Research Group, Centro de Investigaciones, Fundacion Cardiovascular de Colombia, Santander, Colombia
| | - Sandra Sanabria-Barrera
- Traslational Biomedical Research Group, Centro de Investigaciones, Fundacion Cardiovascular de Colombia, Santander, Colombia
| | - Norma C Serrano
- Traslational Biomedical Research Group, Centro de Investigaciones, Fundacion Cardiovascular de Colombia, Santander, Colombia
| | - Melvin Y Rincon
- Traslational Biomedical Research Group, Centro de Investigaciones, Fundacion Cardiovascular de Colombia, Santander, Colombia
| | - Paula K Bautista-Nino
- Traslational Biomedical Research Group, Centro de Investigaciones, Fundacion Cardiovascular de Colombia, Santander, Colombia
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Apolipoprotein A1 and Fibronectin Fragments as Markers of Cure for the Chagas Disease. Methods Mol Biol 2019. [PMID: 30868534 DOI: 10.1007/978-1-4939-9148-8_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Chagas disease (CD), endemic from Latin America, affects more than 8 million people, and the disease keeps spreading around the world due to population migrations. The treatment options for CD are currently limited to two drugs, benznidazole (BZ) and nifurtimox (Nfx), which are often unsatisfactory in chronically infected patients. To date, the only accepted marker of the cure is seroconversion (the disappearance of Trypanosoma cruzi antibodies in the patient's serum), which can take decades to occur, if ever. The lack of posttreatment test-of-cure often prevents appropriate patient counseling and limits the development of new drugs. Without a doubt, reliable biomarkers for parasitological cure are urgently needed. Several pieces of evidence suggest that apolipoprotein A1 and fibronectin fragments are produced during the infection as part of the process of T. cruzi cell invasion and can thus be used as its surrogate biomarkers. In this chapter, we present a standardized method to evaluate these fragments in serum using mass spectrometry and immunoblotting in CD patients for diagnosis, prognosis, and treatment assessment purposes.
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Nagajyothi JF, Weiss LM. Advances in understanding the role of adipose tissue and mitochondrial oxidative stress in Trypanosoma cruzi infection. F1000Res 2019; 8. [PMID: 31354939 PMCID: PMC6652099 DOI: 10.12688/f1000research.19190.1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/16/2019] [Indexed: 01/25/2023] Open
Abstract
Trypanosoma cruzi, the etiologic agent of Chagas disease, causes a latent infection that results in cardiomyopathy. Infection with this pathogen is a major socio-economic burden in areas of endemic infection throughout Latin America. The development of chagasic cardiomyopathy is dependent on the persistence of this parasite in host tissues. Pathogenesis of this cardiomyopathy is multifactorial and research indicates that it includes microvascular dysfunction, immune responses to host and parasite antigens, and various vasoactive and lipid mediators produced by both the host and parasite. It has been demonstrated that
T. cruzi persists in adipose tissue and uses fat as a nutritional niche in infected hosts. This chronic infection of adipose tissue plays an important role in the pathogenesis and persistence of this infection and involves mitochondrial stress responses as well as the production of various anti-inflammatory adipokines and pro-inflammatory cytokines by both white and brown adipose tissue. The changes in diet in endemic regions of infection have resulted in an epidemic of obesity that has significant implications for the pathogenesis of
T. cruzi infection and the development of chagasic cardiomyopathy in infected humans.
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Affiliation(s)
- Jyothi F Nagajyothi
- Department of Microbiology, Biochemistry and Molecular Genetics, Public Health Research Institute, New Jersey Medical School, 225 Warren Street, Newark, NJ, 07103, USA
| | - Louis M Weiss
- Departments of Pathology and Medicine, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Room 504 Forchheimer Building, Bronx, NY, 10461, USA
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47
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Ayyappan JP, Lizardo K, Wang S, Yurkow E, Nagajyothi JF. Inhibition of ER Stress by 2-Aminopurine Treatment Modulates Cardiomyopathy in a Murine Chronic Chagas Disease Model. Biomol Ther (Seoul) 2019; 27:386-394. [PMID: 30879276 PMCID: PMC6609105 DOI: 10.4062/biomolther.2018.193] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 01/17/2019] [Accepted: 01/25/2019] [Indexed: 12/12/2022] Open
Abstract
Trypanosoma cruzi infection results in debilitating cardiomyopathy, which is a major cause of mortality and morbidity in the endemic regions of Chagas disease (CD). The pathogenesis of Chagasic cardiomyopathy (CCM) has been intensely studied as a chronic inflammatory disease until recent observations reporting the role of cardio-metabolic dysfunctions. In particular, we demonstrated accumulation of lipid droplets and impaired cardiac lipid metabolism in the hearts of cardiomyopathic mice and patients, and their association with impaired mitochondrial functions and endoplasmic reticulum (ER) stress in CD mice. In the present study, we examined whether treating infected mice with an ER stress inhibitor can modify the pathogenesis of cardiomyopathy during chronic stages of infection. T. cruzi infected mice were treated with an ER stress inhibitor 2-Aminopurine (2AP) during the indeterminate stage and evaluated for cardiac pathophysiology during the subsequent chronic stage. Our study demonstrates that inhibition of ER stress improves cardiac pathology caused by T. cruzi infection by reducing ER stress and downstream signaling of phosphorylated eukaryotic initiation factor (P-elF2α) in the hearts of chronically infected mice. Importantly, cardiac ultrasound imaging showed amelioration of ventricular enlargement, suggesting that inhibition of ER stress may be a valuable strategy to combat the progression of cardiomyopathy in Chagas patients.
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Affiliation(s)
- Janeesh Plakkal Ayyappan
- Department of Microbiology, Biochemistry and Molecular Genetics, Public Health Research Institute, New Jersey Medical School, Newark, NJ 07103, USA
| | - Kezia Lizardo
- Department of Microbiology, Biochemistry and Molecular Genetics, Public Health Research Institute, New Jersey Medical School, Newark, NJ 07103, USA
| | - Sean Wang
- Rutgers Molecular Imaging Center, Piscataway, NJ 08854, USA
| | - Edward Yurkow
- Rutgers Molecular Imaging Center, Piscataway, NJ 08854, USA
| | - Jyothi F Nagajyothi
- Department of Microbiology, Biochemistry and Molecular Genetics, Public Health Research Institute, New Jersey Medical School, Newark, NJ 07103, USA
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48
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Ayyappan JP, Ganapathi U, Lizardo K, Vinnard C, Subbian S, Perlin DS, Nagajyothi JF. Adipose Tissue Regulates Pulmonary Pathology during TB Infection. mBio 2019; 10:e02771-18. [PMID: 30992360 PMCID: PMC6469978 DOI: 10.1128/mbio.02771-18] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 02/11/2019] [Indexed: 12/16/2022] Open
Abstract
Tuberculosis (TB), caused by Mycobacterium tuberculosis infection, remains a major cause of mortality and morbidity worldwide. One-third of the world population is infected with M. tuberculosis, and about 15 million people with latent tuberculosis infection (LTBI) reside in the United States. An estimated 10% of individuals with LTBI are at risk of progressing to active disease. Loss of body mass, or wasting, accompanied by a significant reduction of body fat is often associated with active TB disease and is considered to be immunosuppressive and a major determinant of severity and outcome of disease. While the lungs are the primary site of M. tuberculosis infection and TB manifestation, recent reports have shown that adipose tissue serves as an important reservoir for M. tuberculosis In this article, we investigated the association between M. tuberculosis infection, adipose tissue, and TB disease progression using a transgenic inducible "fatless" model system, the FAT-ATTAC (fat apoptosis through targeted activation of caspase 8) mouse. By selectively ablating fat tissue during M. tuberculosis infection, we directly tested the role of fat cell loss and adipose tissue physiology in regulating pulmonary pathology, bacterial burden, and immune status. Our results confirm the presence of M. tuberculosis in fat tissue after aerosol infection of mice and show that loss of fat cells is associated with an increase in pulmonary M. tuberculosis burden and pathology. We conclude that acute loss of adipose tissue during LTBI may predispose the host to active TB disease.IMPORTANCE Although the lungs are the port of entry and the predominant site of TB disease manifestation, we and others have demonstrated that M. tuberculosis also persists in adipose tissue of aerosol-infected animals and directly or indirectly alters adipose tissue physiology, which in turn alters whole-body immuno-metabolic homeostasis. Our present report demonstrates a direct effect of loss of adipocytes (fat cells) on promoting the severity of pulmonary pathogenesis during TB, advancing our understanding of the pathogenic interactions between wasting and TB activation/reactivation.
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Affiliation(s)
- Janeesh Plakkal Ayyappan
- Public Health Research Institute, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey, USA
| | - Usha Ganapathi
- Public Health Research Institute, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey, USA
| | - Kezia Lizardo
- Public Health Research Institute, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey, USA
| | - Christopher Vinnard
- Public Health Research Institute, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey, USA
| | - Selvakumar Subbian
- Public Health Research Institute, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey, USA
| | - David S. Perlin
- Public Health Research Institute, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey, USA
| | - Jyothi F Nagajyothi
- Public Health Research Institute, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey, USA
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49
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Dabarian AL, Mady C, Barbosa-Ferreira JM, Ianni BM, Hotta VT, Ramires FJA, Lopes HF, Buck PDC, Pessoa FG, Fonseca KCB, Nogueira AR, Fernandes F. Dysregulation of insulin levels in Chagas heart disease is associated with altered adipocytokine levels. Can J Physiol Pharmacol 2018; 97:140-145. [PMID: 30557036 DOI: 10.1139/cjpp-2018-0349] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Metabolic, inflammatory, and autonomic nervous system (ANS) dysfunction are present in patients with heart failure. However, whether these changes are due to left ventricular dysfunction or heart failure etiology is unknown. We evaluated metabolism and inflammatory activity in patients with idiopathic dilated cardiomyopathy (IDC) and Chagas cardiomyopathy (CHG) and their correlation with the ANS. Forty-six patients were divided into 3 groups: IDC, CHG, and control. We evaluated adiponectin, leptin, insulin, interleukin-6, and tumor necrosis factor-alpha. ANS were analyzed by heart rate variability in time and frequency domains on a 24-hour Holter monitor. Levels of glucose, cholesterol, leptin, and adiponectin did not show differences between groups. Insulin levels were lower in CHG group (5.4 ± 3.3 μU/mL) when compared with control (8.0 ± 4.9 μU/mL) and IDC (9.9 ± 5.0 μU/mL) groups (p = 0.007). Insulin was positively associated with LFr/HFr ratio (r = 0.562; p = 0.029) and with the LFr component (r = 0.562; p = 0.029) and negatively associated with adiponectin (r = -0.603; p = 0.017) in CHG group. The addition of an adiponectin unit reduced average insulin by 0.332 μg/mL. Insulin levels were decreased in the CHG group when compared with the IDC group and were associated with ANS indexes and adiponectin levels.
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Affiliation(s)
- André Luiz Dabarian
- a Unidade Clínica de Miocardiopatias, Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
| | - Charles Mady
- a Unidade Clínica de Miocardiopatias, Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
| | - João Marcos Barbosa-Ferreira
- a Unidade Clínica de Miocardiopatias, Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
| | - Barbara Maria Ianni
- a Unidade Clínica de Miocardiopatias, Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
| | - Viviane Tiemi Hotta
- a Unidade Clínica de Miocardiopatias, Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
| | - Félix José Alvarez Ramires
- a Unidade Clínica de Miocardiopatias, Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
| | - Heno Ferreira Lopes
- a Unidade Clínica de Miocardiopatias, Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo.,b Universidade Nove de Julho - UNINOVE
| | - Paula de Cássia Buck
- a Unidade Clínica de Miocardiopatias, Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
| | - Fernanda Gallinaro Pessoa
- a Unidade Clínica de Miocardiopatias, Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
| | - Keila Cardoso Barbosa Fonseca
- a Unidade Clínica de Miocardiopatias, Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
| | - Adriana Ramos Nogueira
- a Unidade Clínica de Miocardiopatias, Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
| | - Fábio Fernandes
- a Unidade Clínica de Miocardiopatias, Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
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50
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Varikuti S, Jha BK, Volpedo G, Ryan NM, Halsey G, Hamza OM, McGwire BS, Satoskar AR. Host-Directed Drug Therapies for Neglected Tropical Diseases Caused by Protozoan Parasites. Front Microbiol 2018; 9:2655. [PMID: 30555425 PMCID: PMC6284052 DOI: 10.3389/fmicb.2018.02655] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 10/17/2018] [Indexed: 12/11/2022] Open
Abstract
The neglected tropical diseases (NTDs) caused by protozoan parasites are responsible for significant morbidity and mortality worldwide. Current treatments using anti-parasitic drugs are toxic and prolonged with poor patient compliance. In addition, emergence of drug-resistant parasites is increasing worldwide. Hence, there is a need for safer and better therapeutics for these infections. Host-directed therapy using drugs that target host pathways required for pathogen survival or its clearance is a promising approach for treating infections. This review will give a summary of the current status and advances of host-targeted therapies for treating NTDs caused by protozoa.
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Affiliation(s)
- Sanjay Varikuti
- Department of Pathology, Wexner Medical Center, The Ohio State University, Columbus, OH, United States
| | - Bijay Kumar Jha
- Division of Infectious Diseases, Department of Internal Medicine, The Ohio State University, Columbus, OH, United States
| | - Greta Volpedo
- Department of Pathology, Wexner Medical Center, The Ohio State University, Columbus, OH, United States.,Department of Microbiology, The Ohio State University, Columbus, OH, United States
| | - Nathan M Ryan
- Department of Pathology, Wexner Medical Center, The Ohio State University, Columbus, OH, United States
| | - Gregory Halsey
- Department of Pathology, Wexner Medical Center, The Ohio State University, Columbus, OH, United States
| | - Omar M Hamza
- Department of Pathology, Wexner Medical Center, The Ohio State University, Columbus, OH, United States
| | - Bradford S McGwire
- Division of Infectious Diseases, Department of Internal Medicine, The Ohio State University, Columbus, OH, United States
| | - Abhay R Satoskar
- Department of Pathology, Wexner Medical Center, The Ohio State University, Columbus, OH, United States.,Department of Microbiology, The Ohio State University, Columbus, OH, United States
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