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Burgess MO, Janas P, Berry K, Mayr H, Mack M, Jenkins SJ, Bain CC, McSorley HJ, Schwarze J. Helminth induced monocytosis conveys protection from respiratory syncytial virus infection in mice. Allergy 2024. [PMID: 38924546 DOI: 10.1111/all.16206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 04/17/2024] [Accepted: 05/08/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND Respiratory syncytial virus (RSV) infection in infants is a major cause of viral bronchiolitis and hospitalisation. We have previously shown in a murine model that ongoing infection with the gut helminth Heligmosomoides polygyrus protects against RSV infection through type I interferon (IFN-I) dependent reduction of viral load. Yet, the cellular basis for this protection has remained elusive. Given that recruitment of mononuclear phagocytes to the lung is critical for early RSV infection control, we assessed their role in this coinfection model. METHODS Mice were infected by oral gavage with H. polygyrus. Myeloid immune cell populations were assessed by flow cytometry in lung, blood and bone marrow throughout infection and after secondary infection with RSV. Monocyte numbers were depleted by anti-CCR2 antibody or increased by intravenous transfer of enriched monocytes. RESULTS H. polygyrus infection induces bone marrow monopoiesis, increasing circulatory monocytes and lung mononuclear phagocytes in a IFN-I signalling dependent manner. This expansion causes enhanced lung mononuclear phagocyte counts early in RSV infection that may contribute to the reduction of RSV load. Depletion or supplementation of circulatory monocytes prior to RSV infection confirms that these are both necessary and sufficient for helminth induced antiviral protection. CONCLUSIONS H. polygyrus infection induces systemic monocytosis contributing to elevated mononuclear phagocyte numbers in the lung. These cells are central to an anti-viral effect that reduces the peak viral load in RSV infection. Treatments to promote or modulate these cells may provide novel paths to control RSV infection in high risk individuals.
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Affiliation(s)
- Matthew O Burgess
- Centre for Inflammation Research, Institute for Regeneration and Repair, University of Edinburgh, Edinburgh, UK
| | - Piotr Janas
- Centre for Inflammation Research, Institute for Regeneration and Repair, University of Edinburgh, Edinburgh, UK
| | - Karla Berry
- Centre for Inflammation Research, Institute for Regeneration and Repair, University of Edinburgh, Edinburgh, UK
| | - Hannah Mayr
- Centre for Inflammation Research, Institute for Regeneration and Repair, University of Edinburgh, Edinburgh, UK
- Institute of Medical Genetics, Medical University of Vienna, Vienna, Austria
| | - Matthias Mack
- Department of Nephrology, University Hospital Regensburg, Regensburg, Germany
| | - Stephen J Jenkins
- Centre for Inflammation Research, Institute for Regeneration and Repair, University of Edinburgh, Edinburgh, UK
| | - Calum C Bain
- Centre for Inflammation Research, Institute for Regeneration and Repair, University of Edinburgh, Edinburgh, UK
| | - Henry J McSorley
- Cell Signalling and Immunology, School of Life Sciences, University of Dundee, Dundee, UK
| | - Jurgen Schwarze
- Centre for Inflammation Research, Institute for Regeneration and Repair, University of Edinburgh, Edinburgh, UK
- Child Life and Health, Centre for Inflammation Research, Institute for Regeneration and Repair, University of Edinburgh, Edinburgh, UK
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Reis LFCD, Cerdeira CD, Silva LCC, Ramos ABSB, Silva JEC, Castro AP, Ventura RR, Souza RLM, Marques MJ, Novaes RD. Dietary glycemic and energy load differentially modulates Schistosoma mansoni-induced granulomatous inflammation and response to antiparasitic chemotherapy. Acta Trop 2024; 252:107141. [PMID: 38342286 DOI: 10.1016/j.actatropica.2024.107141] [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: 10/03/2023] [Revised: 12/09/2023] [Accepted: 02/02/2024] [Indexed: 02/13/2024]
Abstract
The impact of diet composition and energy content on schistosomiasis evolution and treatment efficacy is still controversial. This study compared the impact of sucrose-rich diet and intermittent fasting on Schistosoma mansoni infection and praziquantel (PZQ)-based chemotherapy response in mice. BALB/c mice were infected with S. mansoni and followed for 15 weeks. The animals were randomized into nine groups receiving high glycemic load (high-sucrose diet - HSD), low caloric load (standard chow alternate-day fasting - ADF), and standard chow ad libitum (AL). Eight weeks after S. mansoni infection, these groups remained untreated or were treated with PZQ (300 mg/kg/day) for 3 days. Our results indicated that parasite load (S. mansoni eggs and parasite DNA levels), granulomatous inflammation (granulomas number and size), and liver microstructural damage (reduction in hepatocytes number, increase in nucleus-cytoplasm ratio, connective stroma expansion and fibrosis) were increased in ADF-treated animals. These animals also showed decreased eggs retention, granulomatous inflammation and collagen accumulation in the small intestine. Conversely, HSD diet and PZQ treatment attenuated all these parameters and stimulated hepatic regenerative response. PZQ also stimulated fibrosis resolution in HSD-treated mice, effect that was limited ADF-exposed mice. Our findings indicate that dietary glycemic and energy load can modulate schistosomiasis progression and the severity of hepatic and intestinal granulomatous inflammation in untreated and PZQ-treated mice. Thus, lower intestinal eggs retention may potentially be linked to worsening liver disease in ADF, while attenuation of hepatic and intestinal granulomatous inflammation is consistent with reduced parasite load in HSD- and PZQ-treated animals.
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Affiliation(s)
- Luis F C Dos Reis
- Instituto d e Ciências Biomédicas, Universidade Federal de Alfenas, Alfenas, Minas Gerais 37130-001, Brazil
| | - Cláudio D Cerdeira
- Departamento de Bioquímica, Universidade Federal de Alfenas, Alfenas, Minas Gerais, 37130-001, Brazil
| | - Laís C C Silva
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal de Alfenas, Alfenas Minas Gerais, 37130-001, Brazil
| | - Amanda B S B Ramos
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal de Alfenas, Alfenas Minas Gerais, 37130-001, Brazil
| | - José Edson C Silva
- Programa de Pós-Graduação em Ciências Biológicas, Universidade Federal de Alfenas, Alfenas, Minas Gerais 37130-001, Brazil
| | - Aline P Castro
- Instituto d e Ciências Biomédicas, Universidade Federal de Alfenas, Alfenas, Minas Gerais 37130-001, Brazil
| | - Renato R Ventura
- Instituto d e Ciências Biomédicas, Universidade Federal de Alfenas, Alfenas, Minas Gerais 37130-001, Brazil
| | - Raquel L M Souza
- Instituto d e Ciências Biomédicas, Universidade Federal de Alfenas, Alfenas, Minas Gerais 37130-001, Brazil; Programa de Pós-Graduação em Ciências Biológicas, Universidade Federal de Alfenas, Alfenas, Minas Gerais 37130-001, Brazil
| | - Marcos J Marques
- Instituto d e Ciências Biomédicas, Universidade Federal de Alfenas, Alfenas, Minas Gerais 37130-001, Brazil; Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal de Alfenas, Alfenas Minas Gerais, 37130-001, Brazil; Programa de Pós-Graduação em Ciências Biológicas, Universidade Federal de Alfenas, Alfenas, Minas Gerais 37130-001, Brazil
| | - Rômulo D Novaes
- Instituto d e Ciências Biomédicas, Universidade Federal de Alfenas, Alfenas, Minas Gerais 37130-001, Brazil; Programa de Pós-Graduação em Ciências Biológicas, Universidade Federal de Alfenas, Alfenas, Minas Gerais 37130-001, Brazil.
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Silva TD, Gonçalves-Santos E, Gonçalves RV, Souza RLM, Caetano JE, Caldas IS, Diniz LF, Marques MJ, Novaes RD. Matrix metalloproteinases inhibition reveals the association between inflammation, collagen accumulation and intestinal translocation of Schistosoma mansoni eggs in vivo. Int Immunopharmacol 2024; 127:111353. [PMID: 38086267 DOI: 10.1016/j.intimp.2023.111353] [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: 11/08/2023] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 01/18/2024]
Abstract
Schistosomiasis mansoni is a parasitic infection that causes enterohepatic morbidity associated with severe granulomatous inflammation triggered by parasite eggs. In this disease, granulomatous inflammation leads to intestinal erosion and environmental excretion of S. mansoni eggs from feces, an essential process for propagating the parasite and infecting host organisms. Metalloproteinases (MMP) are involved in S. mansoni-induced hepatic granulomatous inflammation and fibrosis. However, the relationship between MMP and collagen accumulation with the intestinal excretion of parasite eggs remains unclear. Thus, the present study investigated whether MMP inhibition is capable of modulating granulomatous inflammation, collagen accumulation and mechanical resistance to the point of influencing the dynamics between intestinal retention and excretion of S. mansoni eggs in infected mice. Our findings indicated that doxycycline (a potent MMP inhibitor) aggravates intestinal inflammation and subverts collagen dynamics in schistosomiasis. By attenuating MMP-2 and MMP-9 activity, this drug is capable of enhancing fibrosis and mechanical resistance of the intestinal wall, hindering S. mansoni eggs translocation. Although collagen content was not correlated with MMP activity, intestinal retention and fecal excretion of parasite eggs in untreated mice; these correlations were observed for doxycycline-treated animals. Thus, our study provides evidence that doxycycline is able to attenuate fecal elimination of S. mansoni eggs by inhibiting MMP-2 and MMP-9 activity, events potentially associated with excessive collagen accumulation, which increases intestinal mechanical resistance and hinders eggs translocation through the intestinal wall. Variations in intestinal collagen dynamics are relevant since they may represent changes in the environmental dispersion of S. mansoni eggs, bringing repercussions for schistosomiasis propagation.
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Affiliation(s)
- Thiago D Silva
- Programa de Pós-Graduação em Biociências Aplicadas à Saúde, Universidade Federal de Alfenas, Alfenas 37130-000, Minas Gerais, Brazil
| | - Elda Gonçalves-Santos
- Programa de Pós-Graduação em Biociências Aplicadas à Saúde, Universidade Federal de Alfenas, Alfenas 37130-000, Minas Gerais, Brazil
| | - Reggiani V Gonçalves
- Departamento de Biologia Animal, Universidade Federal de Viçosa, Viçosa 36570-900, Minas Gerais, Brazil
| | - Raquel L M Souza
- Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, Alfenas 37130-000, Minas Gerais, Brazil
| | - José Edson Caetano
- Programa de Pós-Graduação em Ciências Biológicas, Universidade Federal de Alfenas, Alfenas 37130-000, Minas Gerais, Brazil
| | - Ivo S Caldas
- Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, Alfenas 37130-000, Minas Gerais, Brazil; Programa de Pós-Graduação em Ciências Biológicas, Universidade Federal de Alfenas, Alfenas 37130-000, Minas Gerais, Brazil
| | - Livia F Diniz
- Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, Alfenas 37130-000, Minas Gerais, Brazil; Programa de Pós-Graduação em Ciências Biológicas, Universidade Federal de Alfenas, Alfenas 37130-000, Minas Gerais, Brazil
| | - Marcos J Marques
- Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, Alfenas 37130-000, Minas Gerais, Brazil; Programa de Pós-Graduação em Ciências Biológicas, Universidade Federal de Alfenas, Alfenas 37130-000, Minas Gerais, Brazil
| | - Rômulo D Novaes
- Programa de Pós-Graduação em Biociências Aplicadas à Saúde, Universidade Federal de Alfenas, Alfenas 37130-000, Minas Gerais, Brazil; Departamento de Biologia Animal, Universidade Federal de Viçosa, Viçosa 36570-900, Minas Gerais, Brazil; Instituto de Ciências Biomédicas, Universidade Federal de Alfenas, Alfenas 37130-000, Minas Gerais, Brazil; Programa de Pós-Graduação em Ciências Biológicas, Universidade Federal de Alfenas, Alfenas 37130-000, Minas Gerais, Brazil.
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Arora S, Vyavahare N. Elastin-targeted nanoparticles delivering doxycycline mitigate cytokine storm and reduce immune cell infiltration in LPS-mediated lung inflammation. PLoS One 2023; 18:e0286211. [PMID: 37267267 DOI: 10.1371/journal.pone.0286211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 05/10/2023] [Indexed: 06/04/2023] Open
Abstract
BACKGROUND AND PURPOSE Cytokine storm invoked during acute and chronic lung injury promotes alveolar damage and remodeling. The current study shows that degraded elastin-targeted nanoparticles releasing doxycycline (Doxy NPs) are potent in mitigating cytokines storm, migration of immune cells in the lungs, and inhibiting inflammasome pathways in the LPS mouse model. EXPERIMENTAL APPROACH Cytokine storm and lung injury were induced using LPS and elastase in C57BL/6 mice (rodent model for emphysema). The mice were then treated with I.V. Doxy NPs, blank NPs, or Doxy a day before LPS administration. Cytokine levels, immune cell population, and MMP activity were analyzed in broncheo-alveolar lavage fluid (BALF) 4 hours after LPS administration. Additionally, gene expression of IL-6, IL-1beta, MCP-1, NLRP3, Caspase 1 and MMPs were investigated in alveolar cells on day 3 after LPS administration. KEY RESULTS Doxycycline NPs but not Doxycycline significantly decreased IL-6, TNF-α, IL-23 and were significantly more effective in decreasing the percentage of immune cells in the BALF. This is the first in-vivo study to demonstrate that Doxycycline can effectively inhibit inflammasome pathways in the lungs. CONCLUSION AND IMPLICATIONS IV administration of elastin antibody conjugated Doxycycline-loaded albumin NPs can effectively modulate the local immune environment in the lungs, which is not achieved by IV Doxycycline even at 100-fold higher dose. This novel method of drug delivery can effectively lead to the repurposing of traditional Doxycycline as a potential adjunct treatment for managing the cytokine storm in the lungs in COPD and viral infections.
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Affiliation(s)
- Shivani Arora
- Department of Bioengineering, Clemson University, Clemson, South Carolina, United States of America
| | - Narendra Vyavahare
- Department of Bioengineering, Clemson University, Clemson, South Carolina, United States of America
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Souza MA, Gonçalves-Santos E, Gonçalves RV, Santos EC, Campos CC, Marques MJ, Souza RL, Novaes RD. Doxycycline hyclate stimulates inducible nitric oxide synthase and arginase imbalance, potentiating inflammatory and oxidative lung damage in schistosomiasis. Biomed J 2022; 45:857-869. [PMID: 34971826 PMCID: PMC9795368 DOI: 10.1016/j.bj.2021.12.007] [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: 04/26/2021] [Revised: 11/19/2021] [Accepted: 12/21/2021] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND We investigated the relationship between inducible nitric oxide synthase (iNOS) and arginase pathways, cytokines, macrophages, oxidative damage and lung granulomatous inflammation in S. mansoni-infected and doxycycline-treated mice. METHODS Swiss mice were randomized in four groups: (i) uninfected, (ii) infected with S. mansoni, (iii) infected + 200 mg/kg praziquantel (Pzt), (iv) and (v) infected + 5 and 50 mg/kg doxycycline. Pzt (reference drug) was administered in a single dose and doxycycline for 60 days. RESULTS S. mansoni-infection determined extensive lung inflammation, marked recruitment of M2 macrophages, cytokines (IL-4, IL-5, IFN-γ, TNF-α) upregulation, intense eosinophil peroxidase (EPO) levels, arginase expression and activity, reduced iNOS expression and nitric oxide (NO) production. The higher dose of doxycycline aggravated lung granulomatous inflammation, downregulating IL-4 levels and M2 macrophages recruitment, and upregulating iNOS expression, EPO, NO, IFN-γ, TNF-α, M1 macrophages, protein carbonyl and malondialdehyde tissue levels. The number and size of granulomas in doxycycline-treated animals was higher than untreated and Pzt-treated mice. Exudative/productive granulomas were predominant in untreated and doxycycline-treated animals, while fibrotic/involutive granulomas were more frequent in Pzt-treated mice. The reference treatment with Pzt attenuated all these parameters. CONCLUSION Our findings indicated that doxycycline aggravated lung granulomatous inflammation in a dose-dependent way. Although Th1 effectors are protective against several intracellular pathogens, effective schistosomicidal responses are dependent of the Th2 phenotype. Thus, doxycycline contributes to the worsening of lung granulomatous inflammation by potentiating eosinophils influx and downregulating Th2 effectors, reinforcing lipid and protein oxidative damage in chronic S. mansoni infection.
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Affiliation(s)
- Matheus Augusto Souza
- Institute of Biomedical Sciences, Department of Structural Biology, Federal University of Alfenas, Alfenas, Minas Gerais, Brazil
| | - Elda Gonçalves-Santos
- Institute of Biomedical Sciences, Department of Structural Biology, Federal University of Alfenas, Alfenas, Minas Gerais, Brazil
| | - Reggiani V. Gonçalves
- Department of Animal Biology, Federal University of Viçosa, Viçosa, Minas Gerais, Brazil
| | - Eliziária C. Santos
- School of Medicine, Federal University of Jequitinhonha and Mucuri Valleys, Diamantina, Minas Gerais, Brazil
| | - Camila C. Campos
- Institute of Biomedical Sciences, Department of Structural Biology, Federal University of Alfenas, Alfenas, Minas Gerais, Brazil
| | - Marcos J. Marques
- Institute of Biomedical Sciences, Department of Pathology and Parasitology, Federal University of Alfenas, Alfenas, Minas Gerais, Brazil
| | - Raquel L.M. Souza
- Institute of Biomedical Sciences, Department of Pathology and Parasitology, Federal University of Alfenas, Alfenas, Minas Gerais, Brazil
| | - Rômulo D. Novaes
- Institute of Biomedical Sciences, Department of Structural Biology, Federal University of Alfenas, Alfenas, Minas Gerais, Brazil,Corresponding author. Institute of Biomedical Sciences, Federal University of Alfenas, Rua Gabriel Monteiro da Silva, 700, Alfenas, 37130-000, Minas Gerais, Brazil. Tel.: +55 31 3299 1300.
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Wang W, Ai J, Liao B, Xiao K, Lin L, Chen H, Zhou L. The roles of MCP-1/CCR2 mediated macrophage recruitment and polarization in bladder outlet obstruction (BOO) induced bladder remodeling. Int Immunopharmacol 2021; 99:107947. [PMID: 34311189 DOI: 10.1016/j.intimp.2021.107947] [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: 06/03/2021] [Revised: 06/26/2021] [Accepted: 06/29/2021] [Indexed: 02/08/2023]
Abstract
Bladder outlet obstruction (BOO) can lead to alternation of bladder structure and function, known as bladder remodeling. Macrophage is a heterogeneous cell type and implicated in immunity regulating and tissue repairment. The relationship between macrophage and BOO remains unclear. We determined the pivotal role of macrophage recruitment and polarization in bladder remodeling. Sprague-Dawley rats underwent surgical operation of a BOO for either 1, 3, 6 weeks and were compared with sham-operated rats. The BOO rats in the experimental group were orally administrated with 5 mg/kg RS-504393, a C-C chemokine receptor (CCR2) antagonist, for 6 weeks, and the rats in the control group were treated with vehicle. Bladder tissues were harvested for assays of flow cytometry, quantitative reverse transcription polymerase chain reaction, histological examinations, immunohistochemistry staining and immunofluorescence. After induction of BOO, M1 macrophages were predominantly observed at inflammatory stage while M2 macrophages were mainly found during fibrosis stage. Flow cytometry analysis revealed that the ratio of M1/M2 significantly increased at 3 weeks (P = 0.0013) when compared to the sham-operated group. Interestingly, our results showed that M2 macrophages promoted BOO-induced fibrosis through indirectly secreting TGF-β and directly transforming to collagen-producing myofibroblast. Additionally, RS-504393 treatment significantly decreased the number of M1 and M2 macrophage infiltration in bladder tissue, and bladder fibrosis was attenuated by RS-504393 treatment compared with that in the vehicle-treated rats. In summary, macrophages play a pivotal role in bladder remodeling and targeting MCP-1/CCR2 signaling pathway might be a therapeutic strategy for human bladder fibrosis.
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Affiliation(s)
- Wei Wang
- Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu, Sichuan, PR China
| | - Jianzhong Ai
- Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu, Sichuan, PR China
| | - Banghua Liao
- Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu, Sichuan, PR China
| | - Kaiwen Xiao
- Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu, Sichuan, PR China
| | - Lede Lin
- Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu, Sichuan, PR China
| | - Huiling Chen
- Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu, Sichuan, PR China
| | - Liang Zhou
- Department of Urology, Institute of Urology (Laboratory of Reconstructive Urology), West China Hospital, Sichuan University, Chengdu, Sichuan, PR China.
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