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Tang B, Li J, Li T, Xie Y, Guan W, Zhao Y, Yang S, Liu M, Xu D. Vaccines as a Strategy to Control Trichinellosis. Front Microbiol 2022; 13:857786. [PMID: 35401479 PMCID: PMC8984473 DOI: 10.3389/fmicb.2022.857786] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 02/16/2022] [Indexed: 12/14/2022] Open
Abstract
Trichinellosis caused by Trichinella spiralis is a worldwide food-borne parasitic zoonosis. Several approaches have been performed to control T. spiralis infection, including veterinary vaccines, which contribute to improving animal health and increasing public health by preventing the transmission of trichinellosis from animals to humans. In the past several decades, many vaccine studies have been performed in effort to control T. spiralis infection by reducing the muscle larvae and adult worms burden. Various candidate antigens, selected from excretory-secretory (ES) products and different functional proteins involved in the process of establishing infection have been investigated in rodent or swine models to explore their protective effect against T. spiralis infection. Moreover, different types of vaccines have been developed to improve the protective effect against T. spiralis infection in rodent or swine models, such as live attenuated vaccines, natural antigen vaccines, recombinant protein vaccines, DNA vaccines, and synthesized epitope vaccines. However, few studies of T. spiralis vaccines have been performed in pigs, and future research should focus on exploring the protective effect of different types of vaccines in swine models. Here, we present an overview of the strategies for the development of effective T. spiralis vaccines and summarize the factors of influencing the effectiveness of vaccines. We also discuss several propositions in improving the effectiveness of vaccines and may provide a route map for future T. spiralis vaccines development.
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Affiliation(s)
- Bin Tang
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Jian Li
- Department of Human Parasitology, School of Basic Medicine, Hubei University of Medicine, Shiyan, China
| | - Tingting Li
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Medical University, Haikou, China
- Hainan Medical University-The University of Hong Kong Joint Laboratory of Tropical Infectious Diseases, Hainan Medical University, Haikou, China
- Department of Pathogen Biology, Hainan Medical University, Haikou, China
| | - Yiting Xie
- Department of Human Parasitology, School of Basic Medicine, Hubei University of Medicine, Shiyan, China
| | - Wei Guan
- Department of Human Parasitology, School of Basic Medicine, Hubei University of Medicine, Shiyan, China
| | - Yanqing Zhao
- Department of Human Parasitology, School of Basic Medicine, Hubei University of Medicine, Shiyan, China
| | - Shuguo Yang
- Department of Human Parasitology, School of Basic Medicine, Hubei University of Medicine, Shiyan, China
| | - Mingyuan Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, China
- *Correspondence: Mingyuan Liu,
| | - Daoxiu Xu
- Department of Human Parasitology, School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Daoxiu Xu,
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Franco-Sandoval LO, Jiménez-Cardoso E, Quezada-Pablo H, Guzmán-Ortiz AL. [Proteomic analysis of the excretion-secretion products of four Trichinella spiralis isolates obtained from accidental hosts]. BOLETIN MEDICO DEL HOSPITAL INFANTIL DE MEXICO 2018; 74:427-433. [PMID: 29382527 DOI: 10.1016/j.bmhimx.2017.07.005] [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: 02/10/2017] [Revised: 06/08/2017] [Accepted: 07/03/2017] [Indexed: 10/18/2022] Open
Abstract
BACKGROUND Trichinella spiralis is an intestinal and tissue nematode specific for mammalian skeletal muscle, causing a series of physiological alterations. T. spiralis excretory-secretion products play an important role in the appearance and regulation of these alterations. However, the effect of these products on the infection and invasion of the parasite to the host is unknown. METHODS Differences and similarities between antigenic proteins and surface proteins of four accidental hosts isolates (dogs) of T. spiralis and the reference strain isolated from pigs (MSUS/MEX/91/CM) were assessed by electrophoresis, western blot and mass spectrometry. RESULTS Using gene ontology, five proteins exclusive to the accidental hosts were analyzed. The results showed that these proteins are part of the extracellular matrix of the parasite, present catalytic activity, and bind to host cells. The antigenic activity the four strains showed the antigenic triplet characteristic of T. spiralis of 43, 45 and 47 kDa. CONCLUSIONS Five proteins exclusive to dog isolates provided information to understand the mechanism of action of this parasite to penetrate the muscle and evade the immune response in the host.
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Affiliation(s)
- Luz Ofelia Franco-Sandoval
- Laboratorio de Investigación en Parasitología, Hospital Infantil de México Federico Gómez, Ciudad de México, México
| | - Enedina Jiménez-Cardoso
- Laboratorio de Investigación en Parasitología, Hospital Infantil de México Federico Gómez, Ciudad de México, México.
| | - Héctor Quezada-Pablo
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Ciudad de México, México
| | - Ana Laura Guzmán-Ortiz
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Ciudad de México, México
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Somboonpatarakun C, Rodpai R, Intapan PM, Sanpool O, Sadaow L, Wongkham C, Insawang T, Boonmars T, Maleewong W. Immuno-proteomic analysis of Trichinella spiralis, T. pseudospiralis, and T. papuae extracts recognized by human T. spiralis-infected sera. Parasitol Res 2017; 117:201-212. [PMID: 29189952 DOI: 10.1007/s00436-017-5694-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 11/21/2017] [Indexed: 11/25/2022]
Abstract
The present study explored potentially immunogenic proteins of the encapsulated (Trichinella spiralis) and non-encapsulated (T. pseudospiralis, T. papuae) species within the genus Trichinella. The somatic muscle larval extracts of each species were subjected to immunoblotting analysis using human T. spiralis-infected serum samples. Fifteen reactive bands of all three species were selected for further protein identification by liquid chromatography-tandem mass spectrometry, and their possible functions were ascertained using the gene ontology. Our findings showed immunogenic protein patterns with molecular mass in the range of 33-67 kDa. Proteomic and bioinformatic analysis revealed a wide variety of functions of 17 identified proteins, which are associated with catalytic, binding, and structural activities. Most proteins were involved in cellular and metabolic processes that contribute in the invasion of host tissues and the larval molting processes. The parasite proteins were identified as actin-5C, serine protease, deoxyribonuclease-2, and intermediate filament protein ifa-1. This information may lead to alternative tools for selection of potential diagnostic protein markers or aid in the design of vaccine candidates for prevention and control of Trichinella infection.
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Affiliation(s)
- Chalermchai Somboonpatarakun
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Research and Diagnostic Center for Emerging Infectious Diseases, Mekong Health Science Research Institute, Khon Kaen University, Khon Kaen, Thailand
| | - Rutchanee Rodpai
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Research and Diagnostic Center for Emerging Infectious Diseases, Mekong Health Science Research Institute, Khon Kaen University, Khon Kaen, Thailand
| | - Pewpan M Intapan
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Research and Diagnostic Center for Emerging Infectious Diseases, Mekong Health Science Research Institute, Khon Kaen University, Khon Kaen, Thailand
| | - Oranuch Sanpool
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Research and Diagnostic Center for Emerging Infectious Diseases, Mekong Health Science Research Institute, Khon Kaen University, Khon Kaen, Thailand
| | - Lakkhana Sadaow
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
- Research and Diagnostic Center for Emerging Infectious Diseases, Mekong Health Science Research Institute, Khon Kaen University, Khon Kaen, Thailand
| | - Chaisiri Wongkham
- Department of Biochemistry, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Tonkla Insawang
- Khon Kaen University Research Instrument Center, Research Affairs, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Thidarut Boonmars
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Wanchai Maleewong
- Department of Parasitology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.
- Research and Diagnostic Center for Emerging Infectious Diseases, Mekong Health Science Research Institute, Khon Kaen University, Khon Kaen, Thailand.
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Bermúdez-Cruz RM, Fonseca-Liñán R, Grijalva-Contreras LE, Mendoza-Hernández G, Ortega-Pierres MG. Proteomic analysis and immunodetection of antigens from early developmental stages of Trichinella spiralis. Vet Parasitol 2016; 231:22-31. [PMID: 27396501 DOI: 10.1016/j.vetpar.2016.06.029] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Revised: 06/15/2016] [Accepted: 06/22/2016] [Indexed: 01/26/2023]
Abstract
Trichinella spiralis is an ubiquitous parasitic nematode that lives in muscle tissue of many hosts and causes trichinellosis in humans. Numerous efforts have been directed at specific detection of this infection and strategies for its control. TSL-1 and other antigens, mainly from muscle larvae (ML), have been used to induce partial protection in rodents. An improvement in protective immunity may be achieved by using antigens from other parasite stages. Further, identification of other parasite antigens may provide insights into their role in the host-parasite interaction. In this study, T. spiralis antigens from early developmental parasite stages, namely ML and pre-adult (PA) obtained at 6h, 18h and 30h post-infection, were identified by proteomic and mass spectrometry analyses. Our findings showed a differential expression of several proteins with molecular weights in the range of 13-224kDa and pI range of 4.54-9.89. Bioinformatic analyses revealed a wide diversity of functions in the identified proteins, which include structural, antioxidant, actin binding, peptidyl prolyl cis-trans isomerase, motor, hydrolase, ATP binding, magnesium and calcium binding, isomerase and translation elongation factor. This, together with the differential recognition of antigens from these parasite stages by antibodies present in intestinal fluid, in supernatants from intestinal explants, and in serum samples from mice infected with T. spiralis or re-infected with this parasite, provides information that may lead to alternatives in the design of vaccines against this parasite or for modulation of immune responses.
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Affiliation(s)
- Rosa Ma Bermúdez-Cruz
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Avenida Instituto Politécnico Nacional # 2508, Col. San Pedro Zacatenco, México DF C.P. 07360, Mexico
| | - R Fonseca-Liñán
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Avenida Instituto Politécnico Nacional # 2508, Col. San Pedro Zacatenco, México DF C.P. 07360, Mexico
| | - Lucia Elhy Grijalva-Contreras
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Avenida Instituto Politécnico Nacional # 2508, Col. San Pedro Zacatenco, México DF C.P. 07360, Mexico
| | | | - M Guadalupe Ortega-Pierres
- Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Avenida Instituto Politécnico Nacional # 2508, Col. San Pedro Zacatenco, México DF C.P. 07360, Mexico.
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Induction of protection in murine experimental models againstTrichinella spiralis: an up-to-date review. J Helminthol 2015; 89:526-39. [DOI: 10.1017/s0022149x15000140] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
AbstractThe parasitic nematodeTrichinella spiralis, an aetiological agent of the disease known as trichinellosis, infects wild and domestic animals through contaminated pig meat, which is the major source forTrichinellatransmission. Prevention of this disease by interrupting parasite transmission includes vaccine development for livestock; however, major challenges to this strategy are the complexity of theT. spiralislife cycle, diversity of stage-specific antigens, immune-evasion strategies and the modulatory effect of host responses. Different approaches have been taken to induce protective immune responses byT. spiralisimmunogens. These include the use of whole extracts or excretory–secretory antigens, as well as recombinant proteins or synthesized epitopes, using murine experimental models for trichinellosis. Here these schemes are reviewed and discussed, and new proposals envisioned to block the zoonotic transmission of this parasite.
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Castillo Alvarez AM, Vaquero-Vera A, Fonseca-Liñán R, Ruiz-Pérez F, Villegas-Sepúlveda N, Ortega-Pierres G. A prime-boost vaccination of mice with attenuated Salmonella expressing a 30-mer peptide from the Trichinella spiralis gp43 antigen. Vet Parasitol 2013; 194:202-6. [PMID: 23462251 DOI: 10.1016/j.vetpar.2013.01.056] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Protection against Trichinella infections has been achieved using various parasite antigens and adjuvants. Recently, we reported that immunization of mice with an attenuated Salmonella strain displaying a 30-mer peptide (residues 210-239) from the Trichinella spiralis gp43 antigen using the ShdA autotransporter induced partial protection against T. spiralis infection. To improve the efficacy of vaccination, we used the MisL autotransporter system to display the Ts30mer peptide on the surface of Salmonella enterica ser. Typhimurium in combination with a prime-boost vaccination strategy. This vector and immunization regimen induced superior protection against T. spiralis when compared to our previously reported approach. Data presented herein showed a significant reduction in adult worm and muscle larvae burdens, high IgG titers, and increased production of intestinal mucus with entrapped adult worms. This prime-boost vaccination scheme is a suitable strategy to elicit enhanced protective immunity against T. spiralis.
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Yépez-Mulia L, Montaño-Escalona C, Fonseca-Liñán R, Muñoz-Cruz S, Arizmendi-Puga N, Boireau P, Ortega-Pierres G. Differential activation of mast cells by antigens from Trichinella spiralis muscle larvae, adults, and newborn larvae. Vet Parasitol 2008; 159:253-7. [PMID: 19054621 DOI: 10.1016/j.vetpar.2008.10.039] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Mast cell (MC) hyperplasia and activation are prominent features in Trichinella spiralis infection. Indeed a temporal correlation has been shown between the kinetics of intestinal mastocytosis, release of inflammatory mediators from MC, and adult worm loss, which constitutes a major component of the defense against T. spiralis infection. It is well known that during the intestinal phase of trichinellosis, muscle larvae (ML) and adult worms (AD) enter into contact with the host; however, interaction with MC may also occur during migration of newborn larvae (NBL). Therefore, it is plausible that antigens from these developmental stages could activate MC. We have previously demonstrated by in vitro assays that T. spiralis muscle larval (TSL-1) antigens activate MC through an Ig-independent mechanism leading to the release of histamine, MC protease 5, IL-4 and TNF alpha. In this work we evaluated whether total antigens from AD or NBL could activate unsensitized MC and we compared this activation with the activation seen when MC are stimulated with TSL-1 antigens. MC activation was also tested with affinity chromatography purified antigens from NBL using the monoclonal antibody CE-4 that recognizes NBL surface components. The results obtained in this study showed that AD total extracts and TSL-1 antigens induced the release of histamine but not beta-hexosaminidase from unsensitized MC, suggesting a selective secretion of MC mediators. In contrast, NBL total extracts or purified NBL antigens did not induce the release of either histamine or beta-hexosaminidase from MC. Interestingly, AD and ML are the stages that interact with the host during the intestinal phase of infection. The mechanisms involved in TSL-1 and AD activation of unsensitized MC may function together with other mechanisms of MC activation in host protection against T. spiralis.
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YÉPEZ-MULIA L, HERNÁNDEZ-BELLO R, ARIZMENDI-PUGA N, FONSECA-LIÑÁN R, ORTEGA-PIERRES G. Contributions to the study of Trichinella spiralis TSL-1 antigens in host immunity. Parasite Immunol 2007; 29:661-70. [DOI: 10.1111/j.1365-3024.2007.00985.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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9
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Arizmendi-Puga NG, Enciso JA, Ortega-Pierres G, Zhao Z, Duszyk M, Ulanova M, Befus AD, Yépez-Mulia L. Trichinella spiralis: histamine secretion induced by TSL-1 antigens from unsensitized mast cells. Exp Parasitol 2006; 114:67-76. [PMID: 16600218 DOI: 10.1016/j.exppara.2006.02.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2005] [Revised: 02/08/2006] [Accepted: 02/10/2006] [Indexed: 11/21/2022]
Abstract
Mast cells' hyperplasia and activation are prominent features in Trichinella spiralis infection. Recently, it was shown that TSL-1 antigens from T. spiralis muscle larvae induce IL-4 and TNF release by unsensitized, normal mast cells (MC) involving an Ig-independent mechanism. In this study, we characterized histamine secretion induced by TSL-1 antigens from normal, unsensitized rat peritoneal MC. Maximum histamine secretion (30+/-5.3% SEM, n=13) was achieved with 30 ng/mL TSL-1 antigens. However, TSL-1 did not induce an increase in beta-hexosaminidase release or NADPH oxidase activity by MC. Interestingly, histamine secretion by TSL-1 was completed at 10s, and was inhibited by both Bordetella pertussis toxin and neuraminidase V, characteristics similar to those involved in substance P-induced histamine secretion. However, in contrast to substance P, TSL-1 induced histamine secretion in the absence of detectable changes in intracellular Ca(2+). We are investigating the molecular pathways involved in MC activation by TSL-1.
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Affiliation(s)
- Narcy G Arizmendi-Puga
- Pulmonary Research Group, Department of Medicine, University of Alberta, Edmonton, Alta., Canada
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Zhan B, Wang Y, Liu Y, Williamson A, Loukas A, Hawdon JM, Xue HC, Xiao SH, Hotez PJ. Ac-SAA-1, an immunodominant 16 kDa surface-associated antigen of infective larvae and adults of Ancylostoma caninum. Int J Parasitol 2004; 34:1037-45. [PMID: 15313130 DOI: 10.1016/j.ijpara.2004.04.015] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2004] [Revised: 04/29/2004] [Accepted: 04/30/2004] [Indexed: 10/26/2022]
Abstract
A cDNA encoding a surface-associated antigen was cloned from an Ancylostoma caninum infective larvae (L(3)) cDNA library by immunoscreening with pooled human immune sera. The sera were obtained from individuals living in an Ancylostoma duodenale hookworm-endemic region of China, who had light intensity infections and high antibody titers against A. caninum L(3). Ancylostoma caninum surface-associated antigen-1 is encoded by an 843 bp mRNA with a predicted open reading frame of 162 amino acids. Recombinant Ancylostoma caninum surface-associated antigen-1 was expressed in Escherichia coli and used to prepare a specific antiserum. A Western blot with anti-Ancylostoma caninum surface-associated antigen-1 specific antiserum showed that native Ancylostoma caninum surface-associated antigen-1 protein is expressed by both L(3) and adult hookworms; RT-PCR confirmed that the mRNA is transcribed in both stages. In adult hookworms, the protein localised to the basal layer of the cuticle and hypodermis of adult worms. Serological analysis determined that recombinant Ancylostoma caninum surface-associated antigen-1 protein is recognised by 61% of human sera from a Necator americanus hookworm endemic area in China, indicating the antigen is immunodominant. Anti-Ancylostoma caninum surface-associated antigen-1 antiserum partially inhibited (46.7%) invasion of hookworm L(3) into dog skin in vitro. Together these results suggest that Ancylostoma caninum surface-associated antigen-1 offers promise as a protective vaccine antigen.
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Affiliation(s)
- Bin Zhan
- Department of Microbiology and Tropical Medicine, The George Washington University and Sabin Vaccine Institute, 2300 Eye Street NW, Washington, DC 20037, USA
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Niborski V, Vallée I, Fonseca-Liñán R, Boireau P, Enciso A, Ortega-Pierres G, Yépez-Mulia L. Trichinella spiralis: Stimulation of mast cells by TSL-1 antigens trigger cytokine mRNA expression and release of IL-4 and TNF through an Ig-independent pathway. Exp Parasitol 2004; 108:101-8. [PMID: 15582506 DOI: 10.1016/j.exppara.2004.07.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2004] [Revised: 06/21/2004] [Accepted: 07/21/2004] [Indexed: 11/30/2022]
Abstract
Previous in vitro studies have demonstrated that mast cells (MC) can be directly activated by Trichinella spiralis larvae 1 (TSL-1) antigens. To characterize even more this activation of MC and their possible role on induction and regulation of the Type 2 response generated against T. spiralis infection, we studied the interaction between a hybrid rat MC line (HRMC), murine bone marrow MC (mBMMC), and TSL-1 antigens. Immunofluorescence staining and flow cytometry analysis showed that TSL-1 antigens bound to the surface of HRMC cells, resulting in the transcriptional induction and in the release of TNF and IL-4. Besides, an increase of IL-4 intracellular expression was also observed in mBMMC. This suggests that MC may play an important role in the early immune response against T. spiralis and may be a source of cytokines, that regulate the final onset of the immune mechanisms which determine the course of the infection.
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12
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Quan FS, Matsumoto T, Lee JB, Timothy O, Kim TS, Joo KH, Lee JS. Immunization with Trichinella spiralis Korean isolate larval excretory-secretory antigen induces protection and lymphocyte subset changes in rats. Immunol Invest 2004; 33:15-26. [PMID: 15015829 DOI: 10.1081/imm-120027681] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Protection and immune responses were studied in rats immunized with Trichinella spiralis muscle stage larval excretory-secretory antigen (ES Ag) without adjuvant. Protection was assessed by the degree of adult worm burden and the yield of muscle (diaphragmatic) larvae after challenge infection with live larvae. Lymphocyte subsets were identified by flow cytometry in the spleen and peripheral blood. Cytokine production and specific IgG, IgG1 and IgG2a antibody responses were measured. Immunization with ES Ag produced highly significant protection against adult stages (98.4%) and muscle larvae (82.9%). Th2 type cytokines (IL-10, IL-4) were predominant. Anti-muscle stage larval ES Ag antibody was significantly elevated in the order IgG2a > IgG1 > IgG on the 2nd day after final immunization and on the 7th day after challenge infection. Expression of CD4+ and the CD4+/CD8+ ratio from spleen and blood were significantly increased compared to the control. These results demonstrate that immunization with T. spiralis antigen can elicit robust immune response, resulting in complete protection against infective larvae, and this protection can be achieved without the use of any adjuvant.
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Affiliation(s)
- Fu-Shi Quan
- The Institute for Tropical Endemic Diseases, Korea University College of Medicine, Seoul, Korea
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Robinson M, Gustad TR, Erickson MR. Immunological interactions between Trichinella spiralis and Heligmosomoides polygyrus: cross reactivity between muscle larvae and antibodies raised to unrelated antigens. Int J Parasitol 1997; 27:865-72. [PMID: 9279592 DOI: 10.1016/s0020-7519(97)00049-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
It is documented that concurrent infections in mice with the 2 unrelated nematode parasites, Heligmosomoides polygyrus and Trichinella spiralis, can result in delayed rejection of the latter species. The basis of this immunological interference is not completely understood, but a possibility exists that antibodies induced by 1 species may interact with antigens produced by the other parasite. Therefore, it was investigated whether H. polygyrus infections may induce the production of antibodies which could cross react with T. spiralis muscle larval (m.l.) antigens. The results shown here indicate that this assumption is correct, and there is cross reactivity between antibodies produced against H. polygyrus, and T. spiralis m.l. antigens. Furthermore, antibodies which were not specific for either species were also able to bind to T. spiralis m.l. This is in agreement with recent evidence which has shown that antibodies that are not specific for H. polygyrus may still be absorbed by an H. polygyrus homogenate. It is considered that the binding of these antibodies may be involved in manipulation of the host immune response by T. spiralis.
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Affiliation(s)
- M Robinson
- Department of Veterinary and Microbiological Sciences, North Dakota State University, Fargo 58105, USA.
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14
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Yépez-Mulia L, Arriaga C, Peña MA, Gual F, Ortega-Pierres G. Serologic survey of trichinellosis in wild mammals kept in a Mexico City Zoo. Vet Parasitol 1996; 67:237-46. [PMID: 9017871 DOI: 10.1016/s0304-4017(96)01036-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A serologic survey of Trichinella infection was carried out to determine the prevalence of this parasitosis among wild mammals kept in captivity at the Chapultepec Zoo. This was prompted by the necropsy finding of a heavy Trichinella infection in a Canadian polar bear (Ursus maritimus) that had been kept at the Zoo for more than 11 years. The parasites recovered were identified as T. nativa (T2). A serologic study based on ELISA and Western blot analysis was performed in serum samples from two polar bears (U. maritimus), six wolves (Canis lupus); nine foxes (Urocyon cinereoargenteus); seven coyotes (Canis latrans); nine jaguars (Panthera onca); ten lions (Panthera leo); 11 tigers (Panthera tigris); six panthers (Panthera pardus); eight leopards (Panthera pardus); two lynxes (Lynx rufus); five pumas (Felis concolor); one yagouaroundi (Felis yagouaroundi); and one ocelot (Felis pardalis). In these assays, 25% and 27% of the samples studied were positive using total muscle larva extract from T. nativa (T2) or T. spiralis (T1), respectively. When T. spiralis (T1) excretory/secretory products or surface/stichosomal antigens were used, 15 and 13% positivity was obtained respectively. The reactivity rates obtained among the different groups varied from 11 to 83%, wolves having the highest infection rate. Western blot analysis of positive ELISA sera showed an antigenic recognition pattern characteristic of animals infected with Trichinella.
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Affiliation(s)
- L Yépez-Mulia
- UIMEIP-Pediatría, Centro Médico Nacional, Siglo XXI, México D.F., México
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Arriaga C, Yépez-Mulia L, Morilla A, Ortega-Pierres G. Detection of circulating Trichinella spiralis muscle larva antigens in serum samples of experimentally and naturally infected swine. Vet Parasitol 1995; 58:319-26. [PMID: 8533271 DOI: 10.1016/0304-4017(94)00775-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
A follow up study was carried out to determine the kinetics of appearance of surface/stichosomal (S/S) components, recently included in the TSL-1 group of Trichinella spiralis muscle larva (ML), in serum samples from 13 experimentally infected pigs. Detection of circulating antigens in these animals was done by a sandwich enzyme-linked immunosorbent assay (ELISA) using T. spiralis specific rabbit polyclonal immunoglobulins to capture free antigens and monoclonal antibody NIM-M1 to recognize S/S antigens. The assay developed was able to detect as little as 35 ng ml-1 of S/S components added to normal pig serum. Antigenemia was observed in 54% of the experimentally infected swine with two peaks of appearance, one early at 1-4 weeks post-infection (pi) and one late at 10-14 weeks pi. Specific antibodies against S/S components were demonstrated in serum samples from all experimentally infected pigs starting at 3-4 weeks pi. Free antigen was also detected in serum samples from naturally infected backyard pigs with a sensitivity of 56% compared with 94% when antibody production was determined using purified S/S components in an ELISA.
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Affiliation(s)
- C Arriaga
- Depto. de Inmunología, CENID-Microbiología, INIFAP, D. F. Mexico, Mexico
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Wisnewski N, McNeil M, Grieve RB, Wassom DL. Characterization of novel fucosyl- and tyvelosyl-containing glycoconjugates from Trichinella spiralis muscle stage larvae. Mol Biochem Parasitol 1993; 61:25-35. [PMID: 8259130 DOI: 10.1016/0166-6851(93)90155-q] [Citation(s) in RCA: 74] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The monosaccharide composition of an affinity-purified family of antigenically-related Trichinella spiralis larval glycoproteins was determined by gas chromatography/mass spectrometry. This group of 6 major glycoproteins, designated TSL-1, originates in the muscle stage (L1) larval stichosome. They are present on the L1 surface and in excretory/secretory products of L1 larvae, are stage-specific, and are highly immunodominant. The glycosyl composition of the TSL-1 antigens was remarkable in 2 respects: (1) fucose accounted for 36 molar percent of the glycosyl residues; and (2) a 3,6-dideoxyhexose was identified, which accounted for at least 24 molar percent of the glycosyl residues. Previously, 3,6-dideoxyhexoses have been found only in certain Gram-negative bacterial lipopolysaccharides and in ascaroside alcohols (ascarylose) of Ascaris eggs. The 3,6-dideoxyhexose found in the TSL-1 antigens also was found in ES. This Trichinella sugar has been chemically identified as a 3,6-dideoxyarabinohexose, the same as found in Ascaris eggs. However, the absolute configuration of the TSL-1 sugar is D-(tyvelose), not L-(ascarylose) as is found in Ascaris eggs. Methylation analysis indicated that the TSL-1 3,6-dideoxy-D-arabinohexose was present entirely as non-reducing terminal residues. Approximately 83% of the fucose was also present as non-reducing terminal residues, with the remaining fucose found as 3,4-linked branched residues.
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Affiliation(s)
- N Wisnewski
- Department of Pathology, Colorado State University, Fort Collins
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Jarvis LM, Pritchard DI. An evaluation of the role of carbohydrate epitopes in immunity to Trichinella spiralis. Parasite Immunol 1992; 14:489-501. [PMID: 1279505 DOI: 10.1111/j.1365-3024.1992.tb00023.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A study is described in which the role of carbohydrate epitopes in the generation of protective immunity to Trichinella spiralis was investigated. Antigen preparations were treated with increasing molar concentrations of sodium periodate, which is known to degrade carbohydrate moieties by cleaving one side of the hexose ring, and a suitable protocol was established for the selective degradation of carbohydrates with the retention of protein integrity. Using excretory/secretory (ES) proteins, both sodium periodate treated and in their native form, vaccination experiments have shown that sodium periodate treated antigens are as effective as native ES proteins in the generation of both active and passive immunity. This indicates that peptide epitopes alone can induce protective immunity to T. spiralis.
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Affiliation(s)
- L M Jarvis
- Department of Life Sciences, University of Nottingham, UK
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Homan WL, Derksen AC, van Knapen F. Identification of diagnostic antigens from Trichinella spiralis. Parasitol Res 1992; 78:112-9. [PMID: 1557322 DOI: 10.1007/bf00931651] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The Western blotting technique was used to determine the antigens of Trichinella spiralis muscle larvae that were recognized by antibodies in sera from humans and pigs displaying T. spiralis infections. This resulted in the identification of several antigens that were recognized by all sera. Some of these antigens, notably those that were recognized during the early stage of infection, cross-reacted with antibodies to other parasites. This cross-reactivity was caused by the presence of phosphorylcholine on these antigens. A large portion of the antigens that were recognized by antibodies from infected humans and pigs were found to share a single Trichinella-specific determinant. The Trichinella-specific antigen population could be isolated from phosphorylcholine-containing antigens by a simple two-step affinity chromatography procedure using monoclonal antibodies to both determinants. The resulting preparation consisted primarily of a single antigen showing an apparent molecular weight of 45 kDa that corresponded to a major constituent of excretory-secretory (ES) products of muscle larvae. When tested in an enzyme-linked immunosorbent assay (ELISA), this antigen displayed diagnostic specificity that was comparable with the ES fraction and diagnostic sensitivity comparable with the crude muscle-larvae extract.
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Affiliation(s)
- W L Homan
- Laboratory of Parasitology and Mycology, National Institute of Public Health and Environmental Protection, Bilthoven, The Netherlands
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Gold AM, Despommier DD, Buck SW. Partial characterization of two antigens secreted by L1 larvae of Trichinella spiralis. Mol Biochem Parasitol 1990; 41:187-96. [PMID: 2398916 DOI: 10.1016/0166-6851(90)90181-k] [Citation(s) in RCA: 30] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Two protein antigens were isolated from excretory-secretory products of Trichinella spiralis by biochemical methods and characterized with respect to their chemical and immunological properties. One antigen, of apparent Mr 43,000, is an abundant secreted protein of infective L1 larvae, while the other, of 45-50 kDa, is present in smaller amounts. Yields, extinction coefficients, isoelectric points, amino acid compositions, and partial N-terminal amino acid sequences for each are reported. Partial amino acid sequences of peptides derived from the 43-kDa protein by cyanogen bromide cleavage have been determined. Treating a reduced-pyridylethylated derivative of the 43-kDa protein with glycopeptidase F (N-glycanase) resulted in formation of a transient product of 37 kDa followed by a stable polypeptide of 32 kDa (by SDS-PAGE), suggesting the presence of two N-linked carbohydrate groups. A similar result was obtained with the 45-50-kDa protein, which gave a transient doublet of 38 and 40 kDa and a final, stable product of 33 kDa, with a minor component of 35 kDa. Two glycosylation sites of the 43-kDa protein and one site of the 45-50-kDa protein can be identified in the amino acid sequences. Polyclonal antibodies prepared against the two proteins cross-reacted extensively, but failed to react with the doubly deglycosylated polypeptides in Western blots. The dominant epitopes present in the reduced-pyridylethylated polypeptides are, therefore, N-linked carbohydrate, although the presence of peptide epitopes in the native proteins cannot be excluded.
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Affiliation(s)
- A M Gold
- Department of Biochemistry and Molecular Biophysics, Columbia University, New York, NY 10032
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Arriaga C, Muñiz E, Morilla A, Ortega-Pierres G. Trichinella spiralis: recognition of muscle larva antigens during experimental infection of swine and its potential use in diagnosis. Exp Parasitol 1989; 69:363-72. [PMID: 2478386 DOI: 10.1016/0014-4894(89)90086-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Longitudinal studies with Trichinella spiralis experimentally infected pigs were carried out to identify muscle larva antigens recognized during infection. This was approached using Western blot analysis and ELISA assays. Immunoblots of sera from experimentally infected pigs using total parasite extracts revealed five principal parasite antigens throughout infection. A similar pattern of antigen recognition was given by sera from backyard pigs in areas of Mexico, some of them endemic for Trichinella. Four of the five antigens recognized (MW 47, 52, 67, and 72 kDa) corresponded to surface/stichosomal antigens purified by monoclonal antibody NIM-M1. In addition, Western blots of excretions-secretions of muscle larva contained three (MW 52, 67, and 72 kDa) of the four surface/stichosomal components recognized by NIM-M1. Affinity-purified surface/stichosomal components, total soluble extracts, and excretory-secretory antigens of muscle larva were then evaluated in ELISA for detection of T. spiralis infections in experimentally infected, noninfected control, and 295 backyard pigs. These assays showed that purified surface/stichosomal components and excretory-secretory antigens increased the specificity of ELISA. These results suggest that muscle larva components purified by monoclonal antibody NIM-M1 are the major antigens recognized during infection of pigs with T. spiralis and therefore potentially useful for diagnosis of swine trichinellosis.
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Affiliation(s)
- C Arriaga
- Department of Immunology, Instituto Nacional de Investigaciones Forestales y Agropecuarias, D.F. Mexico
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