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Ibrahim AF, Selim SM, Shafey DA, Sweed DM, Farag SA, Gouda MA. Appraisal of Chitosan-Coated Lipid Nano-Combination with Miltefosine and Albendazole in the Treatment of Murine Trichinellosis: Experimental Study with Evaluation of Immunological and Immunohistochemical Parameters. Acta Parasitol 2024; 69:929-950. [PMID: 38489009 PMCID: PMC11001732 DOI: 10.1007/s11686-024-00799-x] [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: 08/19/2023] [Accepted: 01/03/2024] [Indexed: 03/17/2024]
Abstract
PURPOSE Resistance and adverse consequences of albendazole (ABZ) in treating trichinellosis urged demand for secure and effective new drugs. The current study aimed to assess the effect of chitosan-coated lipid nano-combination with albendazole and miltefosine (MFS) in treating experimental murine trichinellosis and evaluating pathological and immunological changes of trichinellosis. MATERIALS AND METHODS One hundred twenty Swiss albino mice were divided into six groups. Each group was subdivided into a and b subgroups based on the scarification time, which was 7- and 40-days post-infection (PI), respectively. The treatment efficacy was evaluated using parasitological, histopathological, serological (interleukin (IL)-12 and IL-4 serum levels), immunohistochemical (GATA3, glutathione peroxidase1 (GPX1) and caspase-3), and scanning electron microscopy (SEM) methods. RESULTS The most effective drug was nanostructured lipid carriers (NLCs) loaded with ABZ (G5), which showed the most significant reduction in adults and larval count (100% and 92.39%, respectively). The greatest amelioration in histopathological changes was reported in G4 treated with MFS. GATA3 and caspase-3 were significantly reduced in all treated groups. GPX1 was significantly increased in G6 treated with MFS + NLCs. The highest degenerative effects on adults and larvae by SEM were documented in G6. CONCLUSION Loading ABZ or MFS on chitosan-coated NLCs enhanced their efficacy against trichinellosis. Although ABZ was better than MFS, their combination should be considered as MFS caused a significant reduction in the intensity of infection. Furthermore, MFS showed anti-inflammatory (↓GATA3) and antiapoptotic effects (↓caspase-3), especially in the muscular phase. Also, when loaded with NLCS, it showed an antioxidant effect (↑GPX1).
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Affiliation(s)
- Asmaa F Ibrahim
- Clinical and Molecular Parasitology Department, National Liver Institute, Medical Campus, Menoufia University, Melig Road, Shebin El-Kom, 32511, Menoufia Governorate, Egypt
| | - Sahar M Selim
- Clinical and Molecular Parasitology Department, National Liver Institute, Medical Campus, Menoufia University, Melig Road, Shebin El-Kom, 32511, Menoufia Governorate, Egypt
| | - Dalia A Shafey
- Clinical and Molecular Parasitology Department, National Liver Institute, Medical Campus, Menoufia University, Melig Road, Shebin El-Kom, 32511, Menoufia Governorate, Egypt
| | - Dina M Sweed
- Pathology Department, National Liver Institute, Medical Campus, Menoufia University, Melig Road, Shebin El-Kom, Menoufia Governorate, Egypt
| | - Shaimaa A Farag
- Clinical and Molecular Parasitology Department, National Liver Institute, Medical Campus, Menoufia University, Melig Road, Shebin El-Kom, 32511, Menoufia Governorate, Egypt.
| | - Marwa A Gouda
- Clinical and Molecular Parasitology Department, National Liver Institute, Medical Campus, Menoufia University, Melig Road, Shebin El-Kom, 32511, Menoufia Governorate, Egypt
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Long SR, Shang WX, Zhang HR, Jiang M, Wang JJ, Liu RD, Wang ZQ, Cui J, Sun H. Trichinella-derived protein ameliorates colitis by altering the gut microbiome and improving intestinal barrier function. Int Immunopharmacol 2024; 127:111320. [PMID: 38064817 DOI: 10.1016/j.intimp.2023.111320] [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: 08/24/2023] [Revised: 10/29/2023] [Accepted: 11/27/2023] [Indexed: 01/18/2024]
Abstract
BACKGROUND Inflammatory bowel disease (IBD) encompasses Crohn's Disease and Ulcerative Colitis. Reports have highlighted the potential use of helminths or their byproducts as a possible treatment for IBD; however, the mechanisms underlying their ability to modulate inflammation remain incompletely understood. In the present study, we analyze the possible mechanism of a serine protease inhibitor from adult T. spiralis excretion-secretion products (rTsSPI) on the improvement of colitis. METHODS The immune protective effect of rTsSPI was studied by using DSS or Salmonella-induced colitis in female C56BL/6 mice. The effect of rTsSPI on the immune and inflammatory responses, gut microbiota, permeability of colon epithelium and junction proteins was analyzed. RESULTS Treating mice with rTsSPI induced type 2 immunity and significantly attenuated clinical symptoms, macroscopical and histological features of DSS or bacteria-induced colonic inflammation. This was accompanied by decreasing neutrophil recruitment in the colonic lamina propria, and reducing TNF-α mRNA levels in the colon; in contrast, the recruitment of M2 macrophages, the expression level of IL-10 and adhesion molecules increased in the colon tissue. Moreover, treatment with rTsSPI led to an improvement in gut microbiota diversity, as well as an increase in the abundance of the bacterial genera Bifidobacterium and Ruminclostridium 5. CONCLUSIONS Collective findings suggest that pretreatment with rTsSPI can ameliorate colitis in mice by inducing a Th2-type response with M2 macrophages. Data also indicate that immunotherapy with rTsSPI represents an additional strategy to ameliorate inflammatory processes in IBD by enhancing probiotic colonization and maintaining intestinal epithelial barrier function.
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Affiliation(s)
- Shao Rong Long
- Department of Parasitology, Medical College of Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Wen Xuan Shang
- Department of Parasitology, Medical College of Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Hui Ran Zhang
- Department of Parasitology, Medical College of Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Miao Jiang
- Department of Parasitology, Medical College of Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Jing Jing Wang
- Department of Parasitology, Medical College of Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Ruo Dan Liu
- Department of Parasitology, Medical College of Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Zhong Quan Wang
- Department of Parasitology, Medical College of Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Jing Cui
- Department of Parasitology, Medical College of Zhengzhou University, Zhengzhou, Henan 450001, China.
| | - Hualei Sun
- Department of Nutrition, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China.
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Liu RD, Meng XY, Le Li C, Xu QY, Lin XZ, Dong BR, Ye CY, Miao TT, Si XY, Long SR, Cui J, Wang ZQ. Trichinella spiralis cathepsin L induces macrophage M1 polarization via the NF-κB pathway and enhances the ADCC killing of newborn larvae. Parasit Vectors 2023; 16:433. [PMID: 37993938 PMCID: PMC10666456 DOI: 10.1186/s13071-023-06051-1] [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: 08/09/2023] [Accepted: 11/10/2023] [Indexed: 11/24/2023] Open
Abstract
BACKGROUND During the early stages of Trichinella spiralis infection, macrophages predominantly undergo polarization to the M1-like phenotype, causing the host's inflammatory response and resistance against T. spiralis infection. As the disease progresses, the number of M2-type macrophages gradually increases, contributing to tissue repair processes within the host. While cysteine protease overexpression is typically associated with inflammation, the specific role of T. spiralis cathepsin L (TsCatL) in mediating macrophage polarization remains unknown. The aim of this study was to assess the killing effect of macrophage polarization mediated by recombinant T. spiralis cathepsin L domains (rTsCatL2) on newborn larvae (NBL). METHODS rTsCatL2 was expressed in Escherichia coli strain BL21. Polarization of the rTsCatL2-induced RAW264.7 cells was analyzed by enzyme-linked immunosorbent assay (ELISA), quantitative PCR (qPCR), western blot, immunofluorescence and flow cytometry. The effect of JSH-23, an inhibitor of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), on rTsCatL2-induced M1 polarization investigated. Cytotoxic effects of polarized macrophages on NBL were observed using in vitro killing assays. RESULTS Following the co-incubation of rTsCatL2 with RAW264.7 murine macrophage cells, qPCR and ELISA revealed increased transcription and secretion levels of inducible nitric oxide synthase (iNOS), interleukin (IL)-6, IL-1β and tumor necrosis factor alpha (TNF-α) in macrophages. Western blot analysis showed a significant increase in iNOS protein expression, while the expression level of arginase-1 protein remained unchanged. Flow cytometry revealed a substantial increase in the number of CD86-labeled macrophages. The western blot results also indicated that rTsCatL2 increased the expression levels of phospho-NF-κB and phospho-nuclear factor-κB inhibitor alpha (IκB-α) proteins in a dose-dependent manner, while immunofluorescence revealed that rTsCatL2 induced nuclear translocation of the p65 subunit of NF-κB (NF-κB p65) protein in macrophages. The inhibitory effect of JSH-23 suppressed and abrogated the effect of rTsCatL2 in promoting M1 macrophage polarization. rTsCatL2 mediated polarization of macrophages to the M1-like phenotype and enhanced macrophage adhesion and antibody-dependent cell-mediated cytotoxicity (ADCC) killing of NBL. CONCLUSIONS The results indicated that rTsCatL2 induces macrophage M1 polarization via the NF-κB pathway and enhances the ADCC killing of NBL. This study provides a further understanding of the interaction mechanism between T. spiralis and the host.
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Affiliation(s)
- Ruo Dan Liu
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Xiang Yu Meng
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Chen Le Li
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Qiu Yi Xu
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Xin Zhi Lin
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Bo Rang Dong
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Chu Yan Ye
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Tian Tian Miao
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Xin Yi Si
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Shao Rong Long
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China
| | - Jing Cui
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China.
| | - Zhong Quan Wang
- Department of Parasitology, Medical College, Zhengzhou University, Zhengzhou, 450052, China.
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Chen H, Cao Z, Liu M, Diamond MS, Jin X. The impact of helminth-induced immunity on infection with bacteria or viruses. Vet Res 2023; 54:87. [PMID: 37789420 PMCID: PMC10548622 DOI: 10.1186/s13567-023-01216-3] [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: 06/27/2023] [Accepted: 08/21/2023] [Indexed: 10/05/2023] Open
Abstract
Different human and animal pathogens trigger distinct immune responses in their hosts. The infection of bacteria or viruses can trigger type I pro-inflammatory immune responses (e.g., IFN-γ, TNF-α, TH1 cells), whereas infection by helminths typically elicits a type II host resistance and tolerizing immune response (e.g., IL-4, IL-5, IL-13, TH2 cells). In some respects, the type I and II immune responses induced by these different classes of pathogens are antagonistic. Indeed, recent studies indicate that infection by helminths differentially shapes the response and outcome of subsequent infection by viruses and bacteria. In this review, we summarize the current knowledge on how helminth infections influence concurrent or subsequent microbial infections and also discuss the implications for helminth-mediated immunity on the outcome of SARS-CoV-2 disease.
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Affiliation(s)
- Hong Chen
- State Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Zengguo Cao
- State Key Laboratory of Virology, Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, 430071, China
| | - Mingyuan Liu
- State Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, China
| | - Michael S Diamond
- Departments of Medicine, Molecular Microbiology, Pathology, and Immunology, Washington University School of Medicine, St Louis, MO, USA
| | - Xuemin Jin
- State Key Laboratory for Zoonotic Diseases, Key Laboratory for Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China.
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