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Kameni M, Musaigwa F, Kamguia LM, Kamdem SD, Mbanya G, Lamberton PHL, Komguep Nono J. Harnessing Schistosoma-associated metabolite changes in the human host to identify biomarkers of infection and morbidity: Where are we and what should we do next? PLoS Negl Trop Dis 2024; 18:e0012009. [PMID: 38512811 PMCID: PMC10956858 DOI: 10.1371/journal.pntd.0012009] [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: 03/23/2024] Open
Abstract
Schistosomiasis is the second most widespread parasitic disease affecting humans. A key component of today's infection control measures is the diagnosis and monitoring of infection, informing individual- and community-level treatment. However, newly acquired infections and/or low parasite burden are still difficult to diagnose reliably. Furthermore, even though the pathological consequence of schistosome egg sequestration in host tissues is well described, the evidence linking egg burden to morbidity is increasingly challenged, making it inadequate for pathology monitoring. In the last decades, omics-based instruments and methods have been developed, adjusted, and applied in parasitic research. In particular, the profiling of the most reliable determinants of phenotypes, metabolites by metabolomics, emerged as a powerful boost in the understanding of basic interactions within the human host during infection. As such, the fine detection of host metabolites produced upon exposure to parasites such as Schistosoma spp. and the ensuing progression of the disease are believed to enable the identification of Schistosoma spp. potential biomarkers of infection and associated pathology. However, attempts to provide such a comprehensive understanding of the alterations of the human metabolome during schistosomiasis are rare, limited in their design when performed, and mostly inconclusive. In this review, we aimed to briefly summarize the most robust advances in knowledge on the changes in host metabolic profile during Schistosoma infections and provide recommendations for approaches to optimize the identification of metabolomic signatures of human schistosomiasis.
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Affiliation(s)
- Mireille Kameni
- Unit of Immunobiology and Helminth Infections, Laboratory of Molecular Biology and Biotechnology, Institute of Medical Research and Medicinal Plant Studies (IMPM), Ministry of Scientific Research and Innovation, Yaoundé, Cameroon
- Department of Microbiology and Parasitology, University of Bamenda, Bambili, North-West Region, Cameroon
| | - Fungai Musaigwa
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Leonel Meyo Kamguia
- Unit of Immunobiology and Helminth Infections, Laboratory of Molecular Biology and Biotechnology, Institute of Medical Research and Medicinal Plant Studies (IMPM), Ministry of Scientific Research and Innovation, Yaoundé, Cameroon
| | - Severin Donald Kamdem
- Division of Microbiology and Immunology, Department of Pathology, University of Utah School of Medicine, Salt Lake City, Utah, United States of America
| | - Gladice Mbanya
- Unit of Immunobiology and Helminth Infections, Laboratory of Molecular Biology and Biotechnology, Institute of Medical Research and Medicinal Plant Studies (IMPM), Ministry of Scientific Research and Innovation, Yaoundé, Cameroon
| | - Poppy H. L. Lamberton
- School of Biodiversity, One Health & Veterinary Medicine, University of Glasgow, Glasgow, United Kingdom
- Wellcome Centre for Integrative Parasitology, University of Glasgow, Glasgow, United Kingdom
| | - Justin Komguep Nono
- Unit of Immunobiology and Helminth Infections, Laboratory of Molecular Biology and Biotechnology, Institute of Medical Research and Medicinal Plant Studies (IMPM), Ministry of Scientific Research and Innovation, Yaoundé, Cameroon
- Division of Immunology, Health Science Faculty, University of Cape Town, Cape Town, South Africa
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Chienwichai P, Tipthara P, Tarning J, Limpanont Y, Chusongsang P, Chusongsang Y, Kiangkoo N, Adisakwattana P, Reamtong O. Identification of trans-genus biomarkers for early diagnosis of intestinal schistosomiasis and progression of gut pathology in a mouse model using metabolomics. PLoS Negl Trop Dis 2024; 18:e0011966. [PMID: 38381759 PMCID: PMC10880994 DOI: 10.1371/journal.pntd.0011966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Accepted: 02/05/2024] [Indexed: 02/23/2024] Open
Abstract
Schistosomiasis is one of the most devastating human diseases worldwide. The disease is caused by six species of Schistosoma blood fluke; five of which cause intestinal granulomatous inflammation and bleeding. The current diagnostic method is inaccurate and delayed, hence, biomarker identification using metabolomics has been applied. However, previous studies only investigated infection caused by one Schistosoma spp., leaving a gap in the use of biomarkers for other species. No study focused on understanding the progression of intestinal disease. Therefore, we aimed to identify early gut biomarkers of infection with three Schistosoma spp. and progression of intestinal pathology. We infected 3 groups of mice, 3 mice each, with Schistosoma mansoni, Schistosoma japonicum or Schistosoma mekongi and collected their feces before and 1, 2, 4 and 8 weeks after infection. Metabolites in feces were extracted and identified using mass spectrometer-based metabolomics. Metabolites were annotated and analyzed with XCMS bioinformatics tool and Metaboanalyst platform. From >36,000 features in all conditions, multivariate analysis found a distinct pattern at each time point for all species. Pathway analysis reported alteration of several lipid metabolism pathways as infection progressed. Disturbance of the glycosaminoglycan degradation pathway was found with the presence of parasite eggs, indicating involvement of this pathway in disease progression. Biomarkers were discovered using a combination of variable importance for projection score cut-off and receiver operating characteristic curve analysis. Five molecules met our criteria and were present in all three species: 25-hydroxyvitamin D2, 1α-hydroxy-2β-(3-hydroxypropoxy) vitamin D3, Ganoderic acid Md, unidentified feature with m/z 455.3483, and unidentified feature with m/z 456.3516. These molecules were proposed as trans-genus biomarkers of early schistosomiasis. Our findings provide evidence for disease progression in intestinal schistosomiasis and potential biomarkers, which could be beneficial for early detection of this disease.
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Affiliation(s)
- Peerut Chienwichai
- Princess Srisavangavadhana College of Medicine, Chulabhorn Royal Academy, Bangkok, Thailand
| | - Phornpimon Tipthara
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Joel Tarning
- Mahidol Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Centre for Tropical Medicine and Global Health, Nuffield Department of Clinical Medicine, University of Oxford, Oxford, United Kingdom
| | - Yanin Limpanont
- Department of Social and Environmental Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Phiraphol Chusongsang
- Department of Social and Environmental Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Yupa Chusongsang
- Department of Social and Environmental Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Nuttapohn Kiangkoo
- Department of Social and Environmental Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Poom Adisakwattana
- Department of Helminthology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Onrapak Reamtong
- Department of Molecular Tropical Medicine and Genetics, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
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Pham K, Mertelsmann A, Mages K, Kingery JR, Mazigo HD, Jaka H, Kalokola F, Changalucha JM, Kapiga S, Peck RN, Downs JA. Effects of helminths and anthelmintic treatment on cardiometabolic diseases and risk factors: A systematic review. PLoS Negl Trop Dis 2023; 17:e0011022. [PMID: 36827239 PMCID: PMC9956023 DOI: 10.1371/journal.pntd.0011022] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 12/12/2022] [Indexed: 02/25/2023] Open
Abstract
BACKGROUND Globally, helminth infections and cardiometabolic diseases often overlap in populations and individuals. Neither the causal relationship between helminth infections and cardiometabolic diseases nor the effect of helminth eradication on cardiometabolic risk have been reviewed systematically in a large number of human and animal studies. METHODS We conducted a systematic review assessing the reported effects of helminth infections and anthelmintic treatment on the development and/or severity of cardiometabolic diseases and risk factors. The search was limited to the most prevalent human helminths worldwide. This study followed PRISMA guidelines and was registered prospectively in PROSPERO (CRD42021228610). Searches were performed on December 10, 2020 and rerun on March 2, 2022 using Ovid MEDLINE ALL (1946 to March 2, 2022), Web of Science, Cochrane Library, Global Index Medicus, and Ovid Embase (1974 to March 2, 2022). Randomized clinical trials, cohort, cross-sectional, case-control, and animal studies were included. Two reviewers performed screening independently. RESULTS Eighty-four animal and human studies were included in the final analysis. Most studies reported on lipids (45), metabolic syndrome (38), and diabetes (30), with fewer on blood pressure (18), atherosclerotic cardiovascular disease (11), high-sensitivity C-reactive protein (hsCRP, 5), and non-atherosclerotic cardiovascular disease (4). Fifteen different helminth infections were represented. On average, helminth-infected participants had less dyslipidemia, metabolic syndrome, diabetes, and atherosclerotic cardiovascular disease. Eleven studies examined anthelmintic treatment, of which 9 (82%) reported post-treatment increases in dyslipidemia, metabolic syndrome, and diabetes or glucose levels. Results from animal and human studies were generally consistent. No consistent effects of helminth infections on blood pressure, hsCRP, or cardiac function were reported except some trends towards association of schistosome infection with lower blood pressure. The vast majority of evidence linking helminth infections to lower cardiometabolic diseases was reported in those with schistosome infections. CONCLUSIONS Helminth infections may offer protection against dyslipidemia, metabolic syndrome, diabetes, and atherosclerotic cardiovascular disease. This protection may lessen after anthelmintic treatment. Our findings highlight the need for mechanistic trials to determine the pathways linking helminth infections with cardiometabolic diseases. Such studies could have implications for helminth eradication campaigns and could generate new strategies to address the global challenge of cardiometabolic diseases.
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Affiliation(s)
- Khanh Pham
- Division of Infectious Diseases, Weill Cornell Medicine, New York, New York, United States of America
- Center for Global Health, Weill Cornell Medical College, New York, New York, United States of America
| | - Anna Mertelsmann
- Division of Infectious Diseases, Weill Cornell Medicine, New York, New York, United States of America
| | - Keith Mages
- Samuel J. Wood Library, Weill Cornell Medicine, New York, New York, United States of America
| | - Justin R. Kingery
- Department of Medicine, University of Louisville, Louisville, Kentucky, United States of America
| | - Humphrey D. Mazigo
- Department of Parasitology, Catholic University of Health and Allied Sciences, Mwanza, Tanzania
| | - Hyasinta Jaka
- Department of Internal Medicine, Catholic University of Health and Allied Sciences, Mwanza, Tanzania
- Department of Internal Medicine, Mwanza College of Health and Allied Sciences, Mwanza, Tanzania
| | - Fredrick Kalokola
- Department of Internal Medicine, Catholic University of Health and Allied Sciences, Mwanza, Tanzania
- Department of Medicine, Weill Bugando School of Medicine, Mwanza, Tanzania
| | | | - Saidi Kapiga
- Mwanza Intervention Trials Unit, Mwanza, Tanzania
| | - Robert N. Peck
- Center for Global Health, Weill Cornell Medical College, New York, New York, United States of America
- Department of Medicine, Weill Bugando School of Medicine, Mwanza, Tanzania
- Mwanza Intervention Trials Unit, Mwanza, Tanzania
| | - Jennifer A. Downs
- Center for Global Health, Weill Cornell Medical College, New York, New York, United States of America
- Department of Medicine, Weill Bugando School of Medicine, Mwanza, Tanzania
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Pham K, PrayGod G, Faurholt-Jepsen D, Olsen MF, Kavishe B, Kitilya B, Corstjens PLAM, de Dood CJ, Friis H, Filteau S, Downs JA, Peck RN. Association of schistosome infection with adiposity in Tanzania. Front Public Health 2023; 10:1008101. [PMID: 36684996 PMCID: PMC9846076 DOI: 10.3389/fpubh.2022.1008101] [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: 09/12/2022] [Accepted: 12/01/2022] [Indexed: 01/05/2023] Open
Abstract
Background Observational studies in humans have reported a link between schistosome infection and lower adiposity, but this may be explained by socioeconomic and demographic factors, intensity of infection, or common co-infections such as HIV. Methods This was a cross-sectional study that investigated the relationship between schistosome infection and adiposity in a large, well-described cohort of Tanzanian adults living with and without HIV. Cross-sectional data were collected among adults living in Mwanza, Tanzania who were enrolled in the Chronic Infections, Co-morbidities and Diabetes in Africa (CICADA) cohort study. Schistosome circulating anodic antigen, secreted by both Schistosoma mansoni and haematobium which are endemic to Tanzania, was quantified from stored samples. Schistosome infection diagnosed by serum circulating anodic antigen levels. The primary outcome was fat mass measured by bioimpedance analysis. Secondary outcomes included fat-free mass, waist circumference, mid-upper arm circumference, and body mass index. Results The study enrolled 1,947 adults, of whom 1,923 (98.8%) had serum available for schistosome testing. Of these, 873 (45.4%) had a serum circulating anodic antigen ≥30 pg/mL, indicating schistosome infection. Compared to uninfected individuals, those with schistosome infections had -1.1 kg [95% CI -1.9 to -0.3] lower fat mass after adjusting for age, sex, physical activity, tobacco use, education level, and socioeconomic status. Infected participants also had lower waist circumference, mid-upper arm circumference, and body mass index. Fat-free mass was not different between the two groups. Neither being HIV-infected, nor receiving antiretroviral therapy, modified associations between schistosome infection and adiposity. These associations were also not affected by Schistosoma worm burden. Conclusions Schistosome infection was associated with lower fat mass and less central adiposity without a difference in muscle mass, irrespective of confounders, HIV status, or the intensity of schistosome infection. Future studies should adjust for socioeconomic and demographic factors that are associated with schistosome infection and adiposity. Identifying mechanistic pathways by which schistosome infection reduces adiposity while preserving muscle mass could yield new strategies for obesity control and cardiovascular disease prevention.
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Affiliation(s)
- Khanh Pham
- Division of Infectious Diseases, Weill Cornell Medicine, New York, NY, United States
| | - George PrayGod
- Mwanza Research Centre, National Institute for Medical Research, Mwanza, Tanzania
| | | | - Mette F. Olsen
- Department of Infectious Diseases, Rigshospitalet, Copenhagen, Denmark
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Copenhagen, Denmark
| | - Bazil Kavishe
- Mwanza Research Centre, National Institute for Medical Research, Mwanza, Tanzania
| | - Brenda Kitilya
- Mwanza Research Centre, National Institute for Medical Research, Mwanza, Tanzania
| | - Paul L. A. M. Corstjens
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Claudia J. de Dood
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Henrik Friis
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Copenhagen, Denmark
| | - Suzanne Filteau
- Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Jennifer A. Downs
- Center for Global Health, Weill Cornell Medical College, New York, NY, United States
- Department of Medicine, Weill Bugando School of Medicine, Mwanza, Tanzania
| | - Robert N. Peck
- Mwanza Research Centre, National Institute for Medical Research, Mwanza, Tanzania
- Center for Global Health, Weill Cornell Medical College, New York, NY, United States
- Department of Medicine, Weill Bugando School of Medicine, Mwanza, Tanzania
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Liu X, Jiang Y, Ye J, Wang X. Helminth infection and helminth-derived products: A novel therapeutic option for non-alcoholic fatty liver disease. Front Immunol 2022; 13:999412. [PMID: 36263053 PMCID: PMC9573989 DOI: 10.3389/fimmu.2022.999412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 09/15/2022] [Indexed: 11/13/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is closely related to obesity, diabetes, and metabolic syndrome (MetS), and it has become the most common chronic liver disease. Helminths have co-evolved with humans, inducing multiple immunomodulatory mechanisms to modulate the host’s immune system. By using their immunomodulatory ability, helminths and their products exhibit protection against various autoimmune and inflammatory diseases, including obesity, diabetes, and MetS, which are closely associated with NAFLD. Here, we review the pathogenesis of NAFLD from abnormal glycolipid metabolism, inflammation, and gut dysbiosis. Correspondingly, helminths and their products can treat or relieve these NAFLD-related diseases, including obesity, diabetes, and MetS, by promoting glycolipid metabolism homeostasis, regulating inflammation, and restoring the balance of gut microbiota. Considering that a large number of clinical trials have been carried out on helminths and their products for the treatment of inflammatory diseases with promising results, the treatment of NAFLD and obesity-related diseases by helminths is also a novel direction and strategy.
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Affiliation(s)
- Xi Liu
- Department of Central Laboratory, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Yuyun Jiang
- Department of Central Laboratory, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Jixian Ye
- Department of Central Laboratory, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Xuefeng Wang
- Department of Central Laboratory, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
- Department of Nuclear Medicine and Institute of Digestive Diseases, The Affiliated Hospital of Jiangsu University, Zhenjiang, China
- *Correspondence: Xuefeng Wang,
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Li HY, Zou Y, Elsheikha HM, Xu Y, Cai L, Xie SC, Zhu XQ, Zheng WB. Lipidomic changes in the liver of beagle dogs associated with Toxocara canis infection. Front Cell Infect Microbiol 2022; 12:890589. [PMID: 36176575 PMCID: PMC9514057 DOI: 10.3389/fcimb.2022.890589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 08/18/2022] [Indexed: 11/13/2022] Open
Abstract
A global lipidomic analysis using liquid chromatography–tandem mass spectrometry was performed on the liver of beagle dogs infected with Toxocara canis to profile hepatic lipid species at 12 h post-infection (hpi), 24 hpi, and 36 days post-infection (dpi). This analysis identified six categories and 42 subclasses of lipids, including 173, 64, and 116 differentially abundant lipid species at 12 hpi, 24 hpi, and 36 dpi, respectively. Many of the identified lysophospholipids, such as lysophosphatidylglycerol, lysophosphatidylserine, and lysophosphatidylcholine, may contribute to the migration and development of T. canis during the early infection stage. Pathway analysis revealed significant alterations of several immune-inflammatory pathways, such as the B-cell receptor signaling pathway, the NF-kappa B signaling pathway, and the C-type lectin receptor signaling pathway at 12 and 24 hpi. These findings demonstrate the value of lipidomic profiling in revealing the extent of changes in the composition and abundance of hepatic lipidome caused by T. canis infection and their relevance to the pathophysiology of toxocariasis in beagle dogs.
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Affiliation(s)
- Hao-Yu Li
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, China
| | - Yang Zou
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Hany M. Elsheikha
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Science, University of Nottingham, Loughborough, United Kingdom
| | - Yue Xu
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, China
| | - Lang Cai
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, China
| | - Shi-Chen Xie
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, China
| | - Xing-Quan Zhu
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, China
- Key Laboratory of Veterinary Public Health of Higher Education of Yunnan Province, College of Veterinary Medicine, Yunnan Agricultural University, Kunming, China
- *Correspondence: Xing-Quan Zhu, ; Wen-Bin Zheng,
| | - Wen-Bin Zheng
- Laboratory of Parasitic Diseases, College of Veterinary Medicine, Shanxi Agricultural University, Taigu, China
- *Correspondence: Xing-Quan Zhu, ; Wen-Bin Zheng,
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Liu Y, Zhang P, Li J, Li H, Zhou C, Zhang Y, Ming Y. Association between serum lipid profile and liver fibrosis in patients infected with Schistosoma japonicum. Parasit Vectors 2022; 15:268. [PMID: 35906693 PMCID: PMC9336000 DOI: 10.1186/s13071-022-05359-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 06/10/2022] [Indexed: 12/15/2022] Open
Abstract
Background Liver fibrosis is thought to have a close relationship with lipid profile. The possible association between lipids and liver fibrosis of different etiologies has been widely explored. However, the association between lipids and liver fibrosis in patients infected with Schistosoma japonicum remains unclear. In the present study we undertook a preliminary exploration of the association between lipid profile and liver fibrosis, and developed a new predictive index for liver fibrosis in S. japonicum-infected patients. Methods A total of 1503 patients diagnosed with S. japonicum at Xiangyue Hospital, China were enrolled in this retrospective study. The patients were divided into two groups, i.e., those with and those without liver fibrosis, by two experienced schistosomiasis specialists, according to the results of liver ultrasound examination. Demographic, clinical, and laboratory data were collected. Multivariable logistic models were used to estimate the independent associations between lipid profile and liver fibrosis. Receiver operating characteristic (ROC) curves were used to assess the discriminative ability of the new index in predicting liver fibrosis in patients with schistosomiasis. Results Logistic regression analysis showed that high-density lipoprotein (HDL) [adjusted odds ratio (aOR), 95% confidence interval (CI) 7.334, 5.051–10.649; P < 0.001], low-density lipoprotein (LDL) (aOR, 95% CI 0.434, 0.370–0.509; P < 0.001), hemoglobin (HB) (aOR, 95% CI 0.979, 0.971–0.987; P < 0.001) and platelets (PLT) (aOR, 95% CI 0.996, 0.994–0.999; P < 0.001) were independently associated with liver fibrosis in patients with schistosomiasis. ROC analysis indicated that the combination of HDL, LDL and HB levels [(HDL × 100)/(LDL × HB)] had a higher area under the ROC curve (AUC = 0.773), and thus may better predict liver fibrosis than the aspartate transaminase-to-platelet ratio index (AUC = 0.608) and fibrosis index based on four factors (AUC = 0.624). Conclusions To the best of our knowledge, this is the first study to report that HDL, LDL, HB and PLT levels are independently associated with liver fibrosis in patients with schistosomiasis. (HDL × 100)/(LDL × HB) outperformed the aspartate transaminase-to-platelet ratio index and fibrosis index based on four factors in terms of ROC, and thus could be a new predictive index for liver fibrosis. These findings may help clinicians to more easily and effectively diagnose liver fibrosis in patients with schistosomiasis. Graphical abstract ![]()
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Affiliation(s)
- Yang Liu
- Transplantation Center, Third Xiangya Hospital, Central South University, Changsha, China
| | - PengPeng Zhang
- Transplantation Center, Third Xiangya Hospital, Central South University, Changsha, China.,Engineering and Technology Research Center for Transplantation Medicine, National Health Commission, Changsha, 410013, China
| | - JunHui Li
- Transplantation Center, Third Xiangya Hospital, Central South University, Changsha, China.,Engineering and Technology Research Center for Transplantation Medicine, National Health Commission, Changsha, 410013, China
| | - Hao Li
- Transplantation Center, Third Xiangya Hospital, Central South University, Changsha, China
| | - Chen Zhou
- Transplantation Center, Third Xiangya Hospital, Central South University, Changsha, China
| | - Yu Zhang
- Transplantation Center, Third Xiangya Hospital, Central South University, Changsha, China
| | - YingZi Ming
- Transplantation Center, Third Xiangya Hospital, Central South University, Changsha, China. .,Engineering and Technology Research Center for Transplantation Medicine, National Health Commission, Changsha, 410013, China.
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Dos Reis LFC, Cerdeira CD, Gagliano GS, de Figueiredo ABT, Ferreira JH, Castro AP, Souza RLM, Marques MJ. Alternate-day fasting, a high-sucrose/caloric diet and praziquantel treatment influence biochemical and behavioral parameters during Schistosoma mansoni infection in male BALB/c mice. Exp Parasitol 2022; 240:108316. [PMID: 35787384 DOI: 10.1016/j.exppara.2022.108316] [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: 02/15/2022] [Revised: 03/12/2022] [Accepted: 06/24/2022] [Indexed: 11/17/2022]
Abstract
Schistosoma mansoni-induced granulomas result in severe damage to the host's liver, as well as neurological and metabolic disorders. We evaluated the biochemical and behavioral changes during schistosomiasis under three diet protocols: ad libitum (AL), alternate-day fasting (ADF) and a high-sucrose/caloric diet (HSD). Healthy male BALB/c mice were divided into noninfected, matched infected and infected/treated [praziquantel (PZQ)] groups. Caloric intake and energy efficiency coefficients associated with diets were measured. Behavioral (exploratory and locomotor) and biochemical (glucose, triglycerides, total cholesterol, AST, ALT, ALP, and γ-GT) tests and histological analysis were performed. Fifteen weeks postinfection, HSD and PZQ promoted weight gain, with higher caloric consumption than ADF (p < 0.05), reflecting serum glucose levels and lipid profiles. HSD and PZQ prevented liver dysfunction (AST and ALT) and significantly prevented increases in granuloma area (p < 0.05). HSD and PZQ also significantly improved mouse physical performance in exploratory and locomotor behavior (p < 0.05), reversing the impaired motivation caused by infection. These findings showed that ADF worsened the course of S. mansoni infection, while HSD and PZQ, even with synergistic effects, prevented and/or attenuated biochemical and behavioral impairment from infection.
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Affiliation(s)
- Luis F C Dos Reis
- Department of Structural Biology, Institute of Biomedical Sciences, Federal University of Alfenas (UNIFAL-MG), Alfenas, Minas Gerais (MG), Brazil
| | - Cláudio D Cerdeira
- Department of Biochemistry, Institute of Biomedical Sciences, Federal University of Alfenas (UNIFAL-MG), Alfenas, Minas Gerais (MG), Brazil.
| | - Guilherme S Gagliano
- Department of Microbiology and Immunology, Institute of Biomedical Sciences, UNIFAL-MG, Alfenas, Minas Gerais (MG), Brazil
| | - Ana B T de Figueiredo
- Department of Pathology and Parasitology, Institute of Biomedical Sciences, Federal University of Alfenas (UNIFAL-MG), Alfenas, Minas Gerais (MG), Brazil
| | - Juliana H Ferreira
- Department of Physiology, University of Sao Paulo, São Paulo (SP), Brazil
| | - Aline P Castro
- Department of Pathology and Parasitology, Institute of Biomedical Sciences, Federal University of Alfenas (UNIFAL-MG), Alfenas, Minas Gerais (MG), Brazil
| | - Raquel L M Souza
- Department of Pathology and Parasitology, Institute of Biomedical Sciences, Federal University of Alfenas (UNIFAL-MG), Alfenas, Minas Gerais (MG), Brazil
| | - Marcos J Marques
- Department of Pathology and Parasitology, Institute of Biomedical Sciences, Federal University of Alfenas (UNIFAL-MG), Alfenas, Minas Gerais (MG), Brazil
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Yingklang M, Chaidee A, Dangtakot R, Jantawong C, Haonon O, Sitthirach C, Hai NT, Cha’on U, Anutrakulchai S, Kamsa-ard S, Pinlaor S. Association of Strongyloides stercoralis infection and type 2 diabetes mellitus in northeastern Thailand: Impact on diabetic complication-related renal biochemical parameters. PLoS One 2022; 17:e0269080. [PMID: 35639713 PMCID: PMC9154194 DOI: 10.1371/journal.pone.0269080] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 05/13/2022] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Several studies have demonstrated that helminth infections provide a degree of protection against Type 2 diabetes mellitus (T2DM). However, the relationship between Strongyloides stercoralis infection and T2DM has scarcely been investigated and the protective effect of infection against development of diabetic complications is unclear. In this study, we aimed to investigate the relationship between S. stercoralis infection and T2DM in a rural area of Khon Kaen Province, Thailand. The impact of S. stercoralis infection on diabetic complication-related kidney function biochemical parameters and body-mass index (BMI) was also assessed. METHODOLOGY Using a cross-sectional study design, S. stercoralis infection and T2DM assessments were conducted between October 2020 and May 2021. Associations between S. stercoralis infection, T2DM, and socioeconomic factors were analyzed using multivariable logistic regression analyses. Diabetic complication-related biochemical parameters relating largely to kidney function (estimated glomerular filtration rate (eGFR), urine albumin-to-creatinine ratio (UACR), serum creatinine, uric acid, alanine transaminase (ALT), and low-density lipoprotein cholesterol (LDL-C)) and BMI of participants with and without T2DM were compared between groups with or without S. stercoralis infection. RESULTS One hundred and seven out of 704 individuals (15.20%) were positive for S. stercoralis, and 283 people were diagnosed with T2DM. Of those with T2DM, 11.31% (32/283) were infected with S. stercoralis and of those without T2DM, 17.82% (75/421) were infected with S. stercoralis. Multivariate analysis revealed that T2DM was inversely correlated with S. stercoralis infection (Adjusted OR = 0.49; 95% CI: 0.30, 0.78; p = 0.003), while male, increasing age, lower education level, and alcohol intake were positively associated with infection. Those infected with S. stercoralis had lower eGFR levels and higher ALT and UACR levels than those in the uninfected group. CONCLUSION This finding indicates that S. stercoralis infection was inversely associated with T2DM in northeastern Thailand, but participants infected with S. stercoralis had lower eGFR levels and higher ALT and UACR levels. Infection with S. stercoralis might lead to worse complication-related renal biochemical parameters.
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Affiliation(s)
- Manachai Yingklang
- Department of Epidemiology and Biostatistics, Faculty of Public Health, Khon Kaen University, Khon Kaen, Thailand
- Chronic Kidney Disease Prevention in The Northeastern Thailand, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Apisit Chaidee
- Chronic Kidney Disease Prevention in The Northeastern Thailand, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Rungtiwa Dangtakot
- Department of Medical Technology, Faculty of Allied Health Science, Nakhon Ratchasima College, Nakhon Ratchasima, Thailand
| | - Chanakan Jantawong
- Department of Medical Technology, Faculty of Allied Health Science, Nakhon Ratchasima College, Nakhon Ratchasima, Thailand
| | - Ornuma Haonon
- Department of Medical Technology, Faculty of Allied Health Science, Nakhon Ratchasima College, Nakhon Ratchasima, Thailand
| | - Chutima Sitthirach
- Chronic Kidney Disease Prevention in The Northeastern Thailand, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Nguyen Thi Hai
- Chronic Kidney Disease Prevention in The Northeastern Thailand, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Department of Parasitology, Thai Nguyen University of Medicine and Pharmacy, Thai Nguyen, Vietnam
| | - Ubon Cha’on
- Chronic Kidney Disease Prevention in The Northeastern Thailand, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Sirirat Anutrakulchai
- Chronic Kidney Disease Prevention in The Northeastern Thailand, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Department of Internal Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Supot Kamsa-ard
- Department of Epidemiology and Biostatistics, Faculty of Public Health, Khon Kaen University, Khon Kaen, Thailand
| | - Somchai Pinlaor
- Chronic Kidney Disease Prevention in The Northeastern Thailand, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
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10
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Dejon-Agobé JC, Edoa JR, Adegnika AA, Grobusch MP. Schistosomiasis in Gabon from 2000 to 2021 - A review. Acta Trop 2022; 228:106317. [PMID: 35051384 DOI: 10.1016/j.actatropica.2022.106317] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 12/20/2021] [Accepted: 01/16/2022] [Indexed: 11/01/2022]
Abstract
INTRODUCTION Schistosomiasis is a public health issue of concern in Gabon, with the disease being reported from all regions of the country. The topic has been of interest for the local researchers and physicians for over two decades. The objective of this narrative review was to provide an overview of the research activities in the area from 2000 to early 2021. METHODS We performed a narrative literature review. The search strategy was designed to get a broad overview of the different research topics on schistosomiasis and the national control programme, and included grey literature. RESULTS A total of 159 articles was screened, and 42 were included into the review in addition to the grey literature. During the past two decades, the work on schistosomiasis originated from five out of the nine provinces of the country, with diverse aspects of the disease investigated; including immunology, epidemiology, diagnosis and treatment. Several studies investigated various aspects of schistosomiasis-related morbidity in the respective study populations. The body of work demonstrates that much effort was made to understand the details of the host immune response to schistosomiasis, and the immune profile changes induced in patients treated with praziquantel. Although some MDA campaigns were conducted in the country; little, however, is known on the epidemiological situation of the disease, particularly of its distribution within the population, as well as co-infections with other parasitic diseases also endemic in the area. CONCLUSION Progress has been made over the past two decades in the understanding of schistosomiasis in the country, including disease-related morbidity and its interaction with other parasitic infections, and the immunology and epidemiology of the disease. However, for optimising control of the disease, there is a need to fine-tune these findings with detailed local epidemiological and malacological data. We call for such studies to accomplish the knowledge of schistosomiasis in the country, particularly in areas of moderate or high endemicity, and recommend this approach to comparable schistosomiasis-endemic areas elsewhere.
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11
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Li S, Giri BR, Liu J, He X, Cai P, Jing Z, Cheng G. Characterization of MicroRNA Cargo of Extracellular Vesicles Isolated From the Plasma of Schistosoma japonicum-Infected Mice. Front Cell Infect Microbiol 2022; 12:803242. [PMID: 35295754 PMCID: PMC8918519 DOI: 10.3389/fcimb.2022.803242] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 02/07/2022] [Indexed: 12/13/2022] Open
Abstract
Schistosoma is a genus of parasitic trematodes that undergoes complex migration in final hosts, finally developing into adult worms, which are responsible for egg production and disease dissemination. Recent studies documented the importance of extracellular vesicles (EVs) in the regulation of host-parasite interactions. Herein, we investigated the microRNA (miRNA) profiles of EVs isolated from host plasma at different stages of Schistosoma japonicum infection (lung stage: 3 days post-infection (dpi), and liver stages: 14 and 21 dpi) to identify miRNA cargo potentially involved in the pathogenesis and immune regulation of schistosomiasis. Characterization of the isolated plasma EVs revealed their diameter to be approximately 100 nm, containing typical EV markers such as Hsp70 and Tsg101. Deep sequencing analysis indicated the presence of 811 known and 15 novel miRNAs with an increasing number of differential miRNAs from the lung stage (27 miRNAs) to the liver stages (58 and 96 miRNAs at 14 and 21 dpi, respectively) in the plasma EVs of infected mice compared to EVs isolated from the uninfected control. In total, 324 plasma EV miRNAs were shown to be co-detected among different stages of infection and the validation of selected miRNAs showed trends of abundance similar to deep sequencing analysis. For example, miR-1a-3p and miR-122-5p showed higher abundance, whereas miR-150-3p and miR-126a showed lower abundance in the plasma EVs of infected mice at 3, 14, and 21 dpi as compared to those of uninfected mice. In addition, bioinformatic analysis combined with PCR validation of the miRNA targets, particularly those associated with the immune system and parasitic infectious disease, indicated a significant increase in the expression of Gbp7and Ccr5 in contrast to the decreased expression of Fermt3, Akt1, and IL-12a. Our results suggested that the abundance of miRNA cargo of the host plasma EVs was related to the stages of Schistosoma japonicum infection. Further studies on the roles of these miRNAs may reveal the regulatory mechanism of the host-parasite interaction. Moreover, the differentially abundant miRNA cargo in host EVs associated with S. japonicum infection may also provide valuable clues for identifying novel biomarkers for schistosomiasis diagnosis.
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Affiliation(s)
- Shun Li
- Shanghai Veterinary Research Institute, Key Laboratory of Animal Parasitology of Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Bikash R. Giri
- Shanghai Tenth People’s Hospital, Institute for Infectious Diseases and Vaccine Development, Tongji University School of Medicine, Shanghai, China
| | - Jingyi Liu
- Shanghai Veterinary Research Institute, Key Laboratory of Animal Parasitology of Ministry of Agriculture and Rural Affairs, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Xiaobing He
- State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Pengfei Cai
- Molecular Parasitology Laboratory, Queensland Institute of Medical Research (QIMR) Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Zhizhong Jing
- State Key Laboratory of Veterinary Etiological Biology, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Guofeng Cheng
- Shanghai Tenth People’s Hospital, Institute for Infectious Diseases and Vaccine Development, Tongji University School of Medicine, Shanghai, China
- *Correspondence: Guofeng Cheng, ;
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12
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van der Zande HJP, Lambooij JM, Chavanelle V, Zawistowska-Deniziak A, Otero Y, Otto F, Lantier L, McGuinness OP, Le Joubioux F, Giera M, Maugard T, Peltier SL, Sirvent P, Guigas B. Effects of a novel polyphenol-rich plant extract on body composition, inflammation, insulin sensitivity, and glucose homeostasis in obese mice. Int J Obes (Lond) 2021; 45:2016-2027. [PMID: 34079069 DOI: 10.1038/s41366-021-00870-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 05/05/2021] [Accepted: 05/18/2021] [Indexed: 02/05/2023]
Abstract
BACKGROUND/OBJECTIVES The worldwide prevalence of obesity, metabolic syndrome and type 2 diabetes (T2D) is reaching epidemic proportions that urge the development of new management strategies. Totum-63 is a novel, plant-based polyphenol-rich active principle that has been shown to reduce body weight, fasting glycemia, glucose intolerance, and fatty liver index in obese subjects with prediabetes. Here, we investigated the effects and underlying mechanism(s) of Totum-63 on metabolic homeostasis in insulin-resistant obese mice. METHODS Male C57Bl6/J mice were fed a high-fat diet for 12 weeks followed by supplementation with Totum-63 for 4 weeks. The effects on whole-body energy and metabolic homeostasis, as well as on tissue-specific inflammation and insulin sensitivity were assessed using a variety of immunometabolic phenotyping tools. RESULTS Totum-63 decreased body weight and fat mass in obese mice, without affecting lean mass, food intake and locomotor activity, and increased fecal energy excretion and whole-body fatty acid oxidation. Totum-63 reduced fasting plasma glucose, insulin and leptin levels, and improved whole-body insulin sensitivity and peripheral glucose uptake. The expression of insulin receptor β and the insulin-induced phosphorylation of Akt/PKB were increased in liver, skeletal muscle, white adipose tissue (WAT) and brown adipose tissue (BAT). Hepatic steatosis was also decreased by Totum-63 and associated with a lower expression of genes involved in fatty acid uptake, de novo lipogenesis, inflammation, and fibrosis. Furthermore, a significant reduction in pro-inflammatory macrophages was also observed in epidydimal WAT. Finally, a potent decrease in BAT mass associated with enhanced tissue expression of thermogenic genes was found, suggesting BAT activation by Totum-63. CONCLUSIONS Our results show that Totum-63 reduces inflammation and improves insulin sensitivity and glucose homeostasis in obese mice through pleiotropic effects on various metabolic organs. Altogether, plant-derived Totum-63 might constitute a promising novel nutritional supplement for alleviating metabolic dysfunctions in obese people with or without T2D.
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Affiliation(s)
| | - Joost M Lambooij
- Department of Parasitology, Leiden University Medical Center, Leiden, The Netherlands
| | | | | | | | - Frank Otto
- Department of Parasitology, Leiden University Medical Center, Leiden, The Netherlands
| | - Louise Lantier
- Department of Molecular Physiology & Biophysics, Vanderbilt University School of Medicine, Nashville, TN, USA.,Vanderbilt Mouse Metabolic Phenotyping Center, Nashville, TN, USA
| | - Owen P McGuinness
- Department of Molecular Physiology & Biophysics, Vanderbilt University School of Medicine, Nashville, TN, USA.,Vanderbilt Mouse Metabolic Phenotyping Center, Nashville, TN, USA
| | | | - Martin Giera
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Thierry Maugard
- LIENSs UMR CNRS 7266, La Rochelle Université, La Rochelle, France
| | | | | | - Bruno Guigas
- Department of Parasitology, Leiden University Medical Center, Leiden, The Netherlands.
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13
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The relationship between Schistosoma and glycolipid metabolism. Microb Pathog 2021; 159:105120. [PMID: 34358648 DOI: 10.1016/j.micpath.2021.105120] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 07/29/2021] [Accepted: 07/29/2021] [Indexed: 02/02/2023]
Abstract
Diabetes and obesity have become the most popular metabolic diseases in the world. A large number of previous studies have shown that glucose and lipid metabolism disorder is an important risk factor and a main cause of diabetes and obesity. Schistosoma is a parasite transmitted by freshwater snails. It can induce a series of inflammatory and immune reactions after infecting the human body, causing schistosomiasis. However, in recent years, studies have found that Schistosoma infection or Schistosoma related products can improve or prevent some immune and inflammatory diseases, such as severe asthma, inflammatory bowel disease, diabetes and so on. Further experiments have also revealed that Schistosoma can promote the secretion of anti-inflammatory factors and regulate the glucose and lipid metabolism in the host body by polarizing immune cells such as T cells, B cells and dendritic cells (DCs). In this review, we summarize studies that investigated Schistosoma and Schistosoma-derived products and their relationship with glycolipid metabolism and related diseases, highlighting potential protective mechanisms.
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14
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Eosinophils and helminth infection: protective or pathogenic? Semin Immunopathol 2021; 43:363-381. [PMID: 34165616 DOI: 10.1007/s00281-021-00870-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 05/14/2021] [Indexed: 02/07/2023]
Abstract
Since the earliest descriptions of this enigmatic cell, eosinophils have been implicated in both protective and pathogenic immune responses to helminth infection. Nevertheless, despite substantial data from in vitro studies, human infections, and animal models, their precise role in helminth infection remains incompletely understood. This is due to a number of factors, including the heterogeneity of the many parasites included in the designation "helminth," the complexity and redundancy in the host immune response to helminths, and the pleiotropic functions of eosinophils themselves. This review examines the consequences of helminth-associated eosinophilia in the context of protective immunity, pathogenesis, and immunoregulation.
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15
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van der Zande HJ, Gonzalez MA, de Ruiter K, Wilbers RH, García‐Tardón N, van Huizen M, van Noort K, Pelgrom LR, Lambooij JM, Zawistowska‐Deniziak A, Otto F, Ozir‐Fazalalikhan A, van Willigen D, Welling M, Poles J, van Leeuwen F, Hokke CH, Schots A, Yazdanbakhsh M, Loke P, Guigas B. The helminth glycoprotein omega-1 improves metabolic homeostasis in obese mice through type 2 immunity-independent inhibition of food intake. FASEB J 2021; 35:e21331. [PMID: 33476078 PMCID: PMC7898285 DOI: 10.1096/fj.202001973r] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 11/27/2020] [Accepted: 12/14/2020] [Indexed: 02/06/2023]
Abstract
Type 2 immunity plays an essential role in the maintenance of metabolic homeostasis and its disruption during obesity promotes meta-inflammation and insulin resistance. Infection with the helminth parasite Schistosoma mansoni and treatment with its soluble egg antigens (SEA) induce a type 2 immune response in metabolic organs and improve insulin sensitivity and glucose tolerance in obese mice, yet, a causal relationship remains unproven. Here, we investigated the effects and underlying mechanisms of the T2 ribonuclease omega-1 (ω1), one of the major S mansoni immunomodulatory glycoproteins, on metabolic homeostasis. We show that treatment of obese mice with plant-produced recombinant ω1, harboring similar glycan motifs as present on the native molecule, decreased body fat mass, and improved systemic insulin sensitivity and glucose tolerance in a time- and dose-dependent manner. This effect was associated with an increase in white adipose tissue (WAT) type 2 T helper cells, eosinophils, and alternatively activated macrophages, without affecting type 2 innate lymphoid cells. In contrast to SEA, the metabolic effects of ω1 were still observed in obese STAT6-deficient mice with impaired type 2 immunity, indicating that its metabolic effects are independent of the type 2 immune response. Instead, we found that ω1 inhibited food intake, without affecting locomotor activity, WAT thermogenic capacity or whole-body energy expenditure, an effect also occurring in leptin receptor-deficient obese and hyperphagic db/db mice. Altogether, we demonstrate that while the helminth glycoprotein ω1 can induce type 2 immunity, it improves whole-body metabolic homeostasis in obese mice by inhibiting food intake via a STAT6-independent mechanism.
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Affiliation(s)
| | - Michael A. Gonzalez
- Department of MicrobiologyNew York University School of MedicineNew YorkNYUSA
| | - Karin de Ruiter
- Department of ParasitologyLeiden University Medical CenterLeidenThe Netherlands
| | - Ruud H.P. Wilbers
- Department Laboratory of NematologyWageningen University and ResearchWageningenThe Netherlands
| | - Noemí García‐Tardón
- Department of ParasitologyLeiden University Medical CenterLeidenThe Netherlands
| | - Mariska van Huizen
- Department of ParasitologyLeiden University Medical CenterLeidenThe Netherlands
| | - Kim van Noort
- Department Laboratory of NematologyWageningen University and ResearchWageningenThe Netherlands
| | - Leonard R. Pelgrom
- Department of ParasitologyLeiden University Medical CenterLeidenThe Netherlands
| | - Joost M. Lambooij
- Department of ParasitologyLeiden University Medical CenterLeidenThe Netherlands
| | - Anna Zawistowska‐Deniziak
- Department of ParasitologyLeiden University Medical CenterLeidenThe Netherlands
- Witold Stefański Institute of ParasitologyPolish Academy of SciencesWarsawPoland
| | - Frank Otto
- Department of ParasitologyLeiden University Medical CenterLeidenThe Netherlands
| | | | - Danny van Willigen
- Interventional Molecular Imaging LaboratoryDepartment of RadiologyLeiden University Medical CenterLeidenThe Netherlands
| | - Mick Welling
- Interventional Molecular Imaging LaboratoryDepartment of RadiologyLeiden University Medical CenterLeidenThe Netherlands
| | - Jordan Poles
- Department of MicrobiologyNew York University School of MedicineNew YorkNYUSA
| | - Fijs van Leeuwen
- Interventional Molecular Imaging LaboratoryDepartment of RadiologyLeiden University Medical CenterLeidenThe Netherlands
| | - Cornelis H. Hokke
- Department of ParasitologyLeiden University Medical CenterLeidenThe Netherlands
| | - Arjen Schots
- Department Laboratory of NematologyWageningen University and ResearchWageningenThe Netherlands
| | - Maria Yazdanbakhsh
- Department of ParasitologyLeiden University Medical CenterLeidenThe Netherlands
| | - P'ng Loke
- Department of MicrobiologyNew York University School of MedicineNew YorkNYUSA
- Laboratory of Parasitic DiseasesNational Institute of Allergy and Infectious DiseasesNational Institutes of HealthBethesdaMDUSA
| | - Bruno Guigas
- Department of ParasitologyLeiden University Medical CenterLeidenThe Netherlands
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Effects of Taenia Pisiformis Infection and Obesity on Clinical Parameters, Organometry and Fat Distribution in Male Rabbits. Pathogens 2020; 9:pathogens9110861. [PMID: 33105538 PMCID: PMC7690263 DOI: 10.3390/pathogens9110861] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 09/26/2020] [Accepted: 10/01/2020] [Indexed: 11/29/2022] Open
Abstract
Taenia pisiformis infection causes important economic loss in farms. It is suggested that obesity has a major impact on infection and reproduction. We addressed the impact of T. pisiformis infection in normal and obese rabbits to evaluate its effect on parameters important in behavior and reproduction. T. pisiformis infection in obese rabbits decreased body weight. In the obese-infected rabbits, eosinophils and heterophiles were increased 23% by the infection (P ≤ 0.05). T. pisiformis decreased cholesterol by 13% in normal weight infected rabbits and 10% in obese group (P ≤ 0.05), while triglyceride and VLDL were increased by 23% and 45% in the non-infected obese group (P ≤ 0.05). The infection increased serum cortisol levels only in normal weight rabbits (P ≤ 0.05). Liver weight was 20% higher in obese and obese-infected rabbits (P ≤ 0.05). Testicular weight in obese-infected was 46% higher than normal weight (P ≤ 0.0001) and 20% more than the obese-non-infected (P ≤ 0.0001). Furthermore, the infection reduced the weight of submandibular glands in infected and obese-infected rabbits (P ≤ 0.05), body fat increased 10% in the obese-infected than in the obese, and infected group was 35% over the normal weight non-infected (P ≤ 0.01). Our results show that T. pisiformis alters metabolic characteristics in rabbits, which can impact on the production and welfare of animals.
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