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O'Ferrall AM, Musaya J, Stothard JR, Roberts AP. Aligning antimicrobial resistance surveillance with schistosomiasis research: an interlinked One Health approach. Trans R Soc Trop Med Hyg 2024; 118:498-504. [PMID: 38842743 PMCID: PMC11299544 DOI: 10.1093/trstmh/trae035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 04/02/2024] [Accepted: 05/08/2024] [Indexed: 06/07/2024] Open
Abstract
One Health surveillance involves the analysis of human, animal and environmental samples, recognising their interconnectedness in health systems. Such considerations are crucial to investigate the transmission of many pathogens, including drug-resistant bacteria and parasites. The highest rates of antimicrobial resistance (AMR)-associated deaths are observed in sub-Saharan Africa, where concurrently the waterborne parasitic disease schistosomiasis can be highly endemic in both humans and animals. Although there is growing acknowledgment of significant interactions between bacteria and parasites, knowledge of relationships between schistosomes, microbes and AMR remains inadequate. In addition, newly emergent research has revealed the previously underappreciated roles of animals and the environment in both AMR and schistosomiasis transmission. We consider shared environmental drivers and colonisation linkage in this narrative review, with a focus on extended-spectrum beta-lactamase-mediated resistance among bacteria from the Enterobacteriaceae family, which is exceedingly prevalent and responsible for a high burden of AMR-associated deaths. Then we examine novel findings from Malawi, where the landscapes of AMR and schistosomiasis are rapidly evolving, and make comparisons to other geographic areas with similar co-infection epidemiology. We identify several knowledge gaps that could be addressed in future research, including the need to characterise the impact of intestinal schistosomiasis and freshwater contact on intestinal AMR colonisation, before proposing a rationale for connecting AMR surveillance and schistosomiasis research within a One Health framework.
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Affiliation(s)
- Angus M O'Ferrall
- Department of Tropical Disease Biology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK
| | - Janelisa Musaya
- Malawi Liverpool Wellcome Clinical Research Programme, Queen Elizabeth Central Hospital, College of Medicine, P.O. Box 30096 Chichiri, Blantyre 3, Malawi
| | - J Russell Stothard
- Department of Tropical Disease Biology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK
| | - Adam P Roberts
- Department of Tropical Disease Biology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK
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Stark KA, Rinaldi G, Costain A, Clare S, Tolley C, Almeida A, McCarthy C, Harcourt K, Brandt C, Lawley TD, Berriman M, MacDonald AS, Forde-Thomas JE, Hulme BJ, Hoffmann KF, Cantacessi C, Cortés A. Gut microbiota and immune profiling of microbiota-humanised versus wildtype mouse models of hepatointestinal schistosomiasis. Anim Microbiome 2024; 6:36. [PMID: 38918824 PMCID: PMC11201864 DOI: 10.1186/s42523-024-00318-3] [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: 02/28/2024] [Accepted: 05/27/2024] [Indexed: 06/27/2024] Open
Abstract
Mounting evidence of the occurrence of direct and indirect interactions between the human blood fluke, Schistosoma mansoni, and the gut microbiota of rodent models raises questions on the potential role(s) of the latter in the pathophysiology of hepatointestinal schistosomiasis. However, substantial differences in both the composition and function between the gut microbiota of laboratory rodents and that of humans hinders an in-depth understanding of the significance of such interactions for human schistosomiasis. Taking advantage of the availability of a human microbiota-associated mouse model (HMA), we have previously highlighted differences in infection-associated changes in gut microbiota composition between HMA and wildtype (WT) mice. To further explore the dynamics of schistosome-microbiota relationships in HMA mice, in this study we (i) characterize qualitative and quantitative changes in gut microbiota composition of a distinct line of HMA mice (D2 HMA) infected with S. mansoni prior to and following the onset of parasite egg production; (ii) profile local and systemic immune responses against the parasite in HMA as well as WT mice and (iii) assess levels of faecal inflammatory markers and occult blood as indirect measures of gut tissue damage. We show that patent S. mansoni infection is associated with reduced bacterial alpha diversity in the gut of D2 HMA mice, alongside expansion of hydrogen sulphide-producing bacteria. Similar systemic humoral responses against S. mansoni in WT and D2 HMA mice, as well as levels of faecal lipocalin and markers of alternatively activated macrophages, suggest that these are independent of baseline gut microbiota composition. Qualitative comparative analyses between faecal microbial profiles of S. mansoni-infected WT and distinct lines of HMA mice reveal that, while infection-induced alterations of the gut microbiota composition are highly dependent on the baseline flora, bile acid composition and metabolism may represent key elements of schistosome-microbiota interactions through the gut-liver axis.
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Affiliation(s)
- K A Stark
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - G Rinaldi
- Department of Life Sciences, Aberystwyth University, Aberystwyth, UK
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - A Costain
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - S Clare
- Department of Medicine, Addenbrookes Hospital, University of Cambridge, Cambridge, UK
| | - C Tolley
- Department of Medicine, Addenbrookes Hospital, University of Cambridge, Cambridge, UK
| | - A Almeida
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - C McCarthy
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - K Harcourt
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - C Brandt
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - T D Lawley
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - M Berriman
- Wellcome Trust Sanger Institute, Wellcome Genome Campus, Hinxton, UK
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, UK
| | - A S MacDonald
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - J E Forde-Thomas
- Department of Life Sciences, Aberystwyth University, Aberystwyth, UK
| | - B J Hulme
- Department of Life Sciences, Aberystwyth University, Aberystwyth, UK
| | - K F Hoffmann
- Department of Life Sciences, Aberystwyth University, Aberystwyth, UK
| | - C Cantacessi
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK.
| | - A Cortés
- Departament de Farmàcia i Tecnologia Farmacèutica i Parasitologia, Universitat de València, Valencia, Spain
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Khalifa M, Elhassan E, Abdel Rahim S. Schistosomal appendicitis: a case report. J Med Case Rep 2024; 18:283. [PMID: 38890741 PMCID: PMC11186244 DOI: 10.1186/s13256-024-04610-3] [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: 03/06/2024] [Accepted: 06/03/2024] [Indexed: 06/20/2024] Open
Abstract
BACKGROUND Schistosomiasis is one of the endemic parasitic diseases in many developing countries. Despite this, appendicitis secondary to schistosomiasis is an uncommon condition even in some endemic areas. Schistosomal appendicitis, an incidentally discovered appendicitis associated with schistosomiasis histological findings, affects young males predominantly. Timely diagnosis and treatment, including appendectomy and anti-helminthic therapy, are crucial. CASE REPORT A 24-year-old Sudanese male patient presented with abdominal pain. Diagnosed with acute appendicitis, he underwent appendectomy, revealing appendix inflammation with Schistosoma ova in histopathology. Abdominal ultrasound detected no complications. Weakly positive Schistosoma serology was noted, but stool and urine analysis showed no infection evidence. Prescribed praziquantel, patient had 3-year post-op follow-up without complications. CONCLUSIONS This case report underscores the significance of including schistosomiasis in the differential diagnosis of appendicitis, particularly in regions where the disease is endemic. It underscores the necessity of histopathological evaluations for accurate diagnosis, emphasizing the potential implications for clinical practice in similar settings.
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Affiliation(s)
- Mohanad Khalifa
- General Surgery Specialist, Department of Surgery, Al-Amal Hospital, Khartoum, Sudan.
| | - Eman Elhassan
- General Surgery Specialist, Department of Surgery, Al-Amal Hospital, Khartoum, Sudan
| | - Sawsan Abdel Rahim
- Department of Pathology, Faculty of Medicine, University of Khartoum, Khartoum, Sudan
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Oliveira NF, Monteiro MMLV, Mainieri NS, Tamura AS, Pereira LM, Crepaldi LD, Coutinho-Silva R, Savio LEB, Silva CLM. P2Y 2-P2X7 receptors cross-talk in primed mesenteric endothelial cells upregulates NF-κB signaling favoring mononuclear cell adhesion in schistosomiasis. Front Immunol 2024; 14:1328897. [PMID: 38239348 PMCID: PMC10794548 DOI: 10.3389/fimmu.2023.1328897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 12/06/2023] [Indexed: 01/22/2024] Open
Abstract
Schistosomiasis is an intravascular infectious disease that impacts over 200 million people globally. In its chronic stage, it leads to mesenteric inflammation with significant involvement of monocytes/macrophages. Endothelial cells lining the vessel lumens play a crucial role, and mount of evidence links this disease to a downregulation of endoprotective cell signaling favoring a primed and proinflammatory endothelial cell phenotype and therefore the loss of immunovascular homeostasis. One hallmark of infectious and inflammatory conditions is the release of nucleotides into the extracellular milieu, which, in turn, act as innate messengers, activating purinergic receptors and triggering cell-to-cell communication. ATP influences the progression of various diseases through P2X and P2Y purinergic receptor subtypes. Among these receptors, P2Y2 (P2Y2R) and P2X7 (P2X7R) receptors stand out, known for their roles in inflammation. However, their specific role in schistosomiasis has remained largely unexplored. Therefore, we hypothesized that endothelial P2Y2R and P2X7R could contribute to monocyte adhesion to mesenteric endothelial cells in schistosomiasis. Using a preclinical murine model of schistosomiasis associated with endothelial dysfunction and age-matched control mice, we showed that endothelial P2Y2R and P2X7R activation increased monocyte adhesion to cultured primary endothelial cells in both groups. However, a distinct upregulation of endothelial P2Y2R-driven canonical Ca2+ signaling was observed in the infected group, amplifying adhesion. In the control group, the coactivation of endothelial P2Y2R and P2X7R did not alter the maximal monocyte adhesion induced by each receptor individually. However, in the infected group, this coactivation induced a distinct upregulation of P2Y2R-P2X7R-driven canonical signaling, IL-1β release, and VCAM-1 expression, with underlying mechanisms involving inflammasome and NF-κB signaling. Therefore, current data suggest that schistosomiasis alters endothelial cell P2Y2R/P2X7R signaling during inflammation. These discoveries advance our understanding of schistosomiasis. This intricate interplay, driven by PAMP-triggered endothelial P2Y2R/P2X7R cross-talk, emerges as a potential key player in the mesenteric inflammation during schistosomiasis.
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Affiliation(s)
- Nathália Ferreira Oliveira
- Laboratório de Farmacologia Bioquímica e Molecular, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Nathália Santos Mainieri
- Laboratório de Farmacologia Bioquímica e Molecular, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Augusto Shuiti Tamura
- Laboratório de Imunofisiologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Letícia Massimo Pereira
- Laboratório de Farmacologia Bioquímica e Molecular, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Leticia Diniz Crepaldi
- Laboratório de Imunofisiologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Robson Coutinho-Silva
- Laboratório de Imunofisiologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Claudia Lucia Martins Silva
- Laboratório de Farmacologia Bioquímica e Molecular, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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Rinaldi G, Paz Meseguer C, Cantacessi C, Cortés A. Form and Function in the Digenea, with an Emphasis on Host-Parasite and Parasite-Bacteria Interactions. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1454:3-45. [PMID: 39008262 DOI: 10.1007/978-3-031-60121-7_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
This review covers the general aspects of the anatomy and physiology of the major body systems in digenetic trematodes, with an emphasis on new knowledge of the area acquired since the publication of the second edition of this book in 2019. In addition to reporting on key recent advances in the morphology and physiology of tegumentary, sensory, neuromuscular, digestive, excretory, and reproductive systems, and their roles in host-parasite interactions, this edition includes a section discussing the known and putative roles of bacteria in digenean biology and physiology. Furthermore, a brief discussion of current trends in the development of novel treatment and control strategies based on a better understanding of the trematode body systems and associated bacteria is provided.
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Affiliation(s)
- Gabriel Rinaldi
- Department of Life Sciences, Edward Llwyd Building, Aberystwyth University, Aberystwyth, UK
| | - Carla Paz Meseguer
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, School of Pharmacy and Food Sciences, Universitat de València, Valencia, Spain
| | - Cinzia Cantacessi
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Alba Cortés
- Department of Pharmacy and Pharmaceutical Technology and Parasitology, School of Pharmacy and Food Sciences, Universitat de València, Valencia, Spain.
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