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Ramos-Bermúdez PE, Pousa S, Carvalho P, Brant RSC, Batista M, Hojo H, Garay HE, Roscoe A, Mallón AR, Besada V, Takao T, González LJ. A hydrolyzed N-propionylthiosuccinimide linker is cleaved by metastable fragmentation, increasing reliability of conjugation site identification in conjugate vaccines. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2024; 38:e9859. [PMID: 39034666 DOI: 10.1002/rcm.9859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 06/05/2024] [Accepted: 06/09/2024] [Indexed: 07/23/2024]
Abstract
RATIONALE Conjugation sites are a quality attribute of conjugate vaccines. Proteolysis of bioconjugates synthesized by maleimide-thiol chemistry generates type 2 peptides with a hydrolyzed thiosuccinimide linker containing information on the conjugation sites. A mass spectrometry (MS)-cleavable linker could make the identification of conjugation sites by MS more reliable. METHODS Four synthetic type 2 peptides with a hydrolyzed thiosuccinimide linker were analyzed by matrix-assisted laser desorption ionization (MALDI) MS/MS with and without collision gas. These peptides were also partially labeled with 18O in the linker to confirm the proposed fragmentation mechanism. A conjugate vaccine with the hydrolyzed thiosuccinimide linker was reduced and S-alkylated, digested with trypsin and analyzed by liquid chromatography-MS/MS using collision-induced dissociation (CID) and higher-energy collisional dissociation (HCD) fragmentation methods at a normalized collision energy of 30. RESULTS A metastable fragmentation preferentially cleaves the newly formed pseudopeptide bond within the hydrolyzed thiosuccinimide linker of type 2 peptides to yield P + 71 and C + 98 ions. These ions make the assignment of conjugation sites more reliable. Partial 18O-labeling and MS/MS analysis confirmed the proposed structures. CID produces these ions as the two most intense signals more favorably than HCD. The latter also yields these ions, guarantees better sequence coverage and promotes other fragmentations in the linker. CONCLUSIONS Hydrolyzed thiosuccinimide linker is cleavable in MALDI and electrospray ionization MS/MS analysis by a gas-phase metastable fragmentation. The resulting fragment ions (P + 71 and C + 98) make the identification of conjugation sites more reliable. These results could be extended to self-hydrolyzing maleimides, which efficiently stabilize the thiosuccinimide linker upon hydrolysis, in antibody-drug conjugates.
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Affiliation(s)
| | - Satomy Pousa
- Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Paulo Carvalho
- Carlos Chagas Institute/FioCruz Rua Professor Algacyr Munhoz Mader, Curitiba, Brazil
| | | | - Michel Batista
- Carlos Chagas Institute/FioCruz Rua Professor Algacyr Munhoz Mader, Curitiba, Brazil
| | - Hironobu Hojo
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Hilda E Garay
- Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Abel Roscoe
- Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | | | - Vladimir Besada
- Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Toshifumi Takao
- Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Luis Javier González
- Carlos Chagas Institute/FioCruz Rua Professor Algacyr Munhoz Mader, Curitiba, Brazil
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Haque MS, Islam MS, You MJ. Effect of Silencing subolesin and enolase impairs gene expression, engorgement and reproduction in Haemaphysalis longicornis (Acari: Ixodidae) ticks. J Vet Sci 2024; 25:e43. [PMID: 38834512 PMCID: PMC11156603 DOI: 10.4142/jvs.24039] [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: 02/16/2024] [Revised: 04/09/2024] [Accepted: 05/04/2024] [Indexed: 06/06/2024] Open
Abstract
IMPORTANCE Haemaphysalis longicornis is an obligate blood-sucking ectoparasite that has gained attention due its role of transmitting medically and veterinary significant pathogens and it is the most common tick species in Republic of Korea. The preferred strategy for controlling ticks is a multi-antigenic vaccination. Testing the efficiency of a combination antigen is a promising method for creating a tick vaccine. OBJECTIVE The aim of the current research was to analyze the role of subolesin and enolase in feeding and reproduction of H. longicornis by gene silencing. METHODS In this study, we used RNA interference to silence salivary enolase and subolesin in H. longicornis. Unfed female ticks injected with double-stranded RNA targeting subolesin and enolase were attached and fed normally on the rabbit's ear. Real-time polymerase chain reaction was used to confirm the extent of knockdown. RESULTS Ticks in the subolesin or enolase dsRNA groups showed knockdown rates of 80% and 60% respectively. Ticks in the combination dsRNA (subolesin and enolase) group showed an 80% knockdown. Knockdown of subolesin and enolase resulted in significant depletion in feeding, blood engorgement weight, attachment rate, and egg laying. Silencing of both resulted in a significant (p < 0.05) reduction in tick engorgement, egg laying, egg hatching (15%), and reproduction. CONCLUSIONS AND RELEVANCE Our results suggest that subolesin and enolase are an exciting target for future tick control strategies.
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Affiliation(s)
- Md Samiul Haque
- Laboratory of Veterinary Parasitology, College of Veterinary Medicine and Bio-Safety Research Centre, Jeonbuk National University, Iksan 54596, Korea
| | - Mohammad Saiful Islam
- Department of Medicine Surgery & Obstetrics, Faculty of Veterinary and Animal Science, Hajee Mohammad Danesh Science and Technology University, Dinajpur 5200, Bangladesh
| | - Myung-Jo You
- Laboratory of Veterinary Parasitology, College of Veterinary Medicine and Bio-Safety Research Centre, Jeonbuk National University, Iksan 54596, Korea.
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Nepveu-Traversy ME, Fausther-Bovendo H, Babuadze G(G. Human Tick-Borne Diseases and Advances in Anti-Tick Vaccine Approaches: A Comprehensive Review. Vaccines (Basel) 2024; 12:141. [PMID: 38400125 PMCID: PMC10891567 DOI: 10.3390/vaccines12020141] [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: 12/25/2023] [Revised: 01/18/2024] [Accepted: 01/23/2024] [Indexed: 02/25/2024] Open
Abstract
This comprehensive review explores the field of anti-tick vaccines, addressing their significance in combating tick-borne diseases of public health concern. The main objectives are to provide a brief epidemiology of diseases affecting humans and a thorough understanding of tick biology, traditional tick control methods, the development and mechanisms of anti-tick vaccines, their efficacy in field applications, associated challenges, and future prospects. Tick-borne diseases (TBDs) pose a significant and escalating threat to global health and the livestock industries due to the widespread distribution of ticks and the multitude of pathogens they transmit. Traditional tick control methods, such as acaricides and repellents, have limitations, including environmental concerns and the emergence of tick resistance. Anti-tick vaccines offer a promising alternative by targeting specific tick proteins crucial for feeding and pathogen transmission. Developing vaccines with antigens based on these essential proteins is likely to disrupt these processes. Indeed, anti-tick vaccines have shown efficacy in laboratory and field trials successfully implemented in livestock, reducing the prevalence of TBDs. However, some challenges still remain, including vaccine efficacy on different hosts, polymorphisms in ticks of the same species, and the economic considerations of adopting large-scale vaccine strategies. Emerging technologies and approaches hold promise for improving anti-tick vaccine development and expanding their impact on public health and agriculture.
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Affiliation(s)
| | - Hugues Fausther-Bovendo
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX 75550, USA;
| | - George (Giorgi) Babuadze
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX 75550, USA;
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Zeb I, Parizi LF, Israr M, da Silva Vaz I, Ali A. Cross-species immunoprotective antigens (subolesin, ferritin 2 and P0) provide protection against Rhipicephalus sanguineus sensu lato. Parasit Vectors 2024; 17:3. [PMID: 38172894 PMCID: PMC10765945 DOI: 10.1186/s13071-023-06079-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 11/30/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Tick control is mostly hampered by the rise of acaricide-resistant tick populations. Significant efforts have focused on developing alternative control methods, including cross-species protective and/or cocktail-based anti-tick vaccines, to achieve protection against various tick species. METHODS In this study, full-length open reading frames encoding subolesin (SUB) from Rhipicephalus microplus and ferritin 2 (FER2) from Hyalomma anatolicum as well as the partial 60S acidic ribosomal protein (P0) from R. microplus were cloned, expressed in Escherichia coli and used as vaccine antigens against Rhipicephalus sanguineus sensu lato (R. sanguineus s.l.) infestation in rabbits. RESULTS In silico analyses revealed that the SUB, P0 and FER2 proteins were antigenic and displayed limited similarity to the host's homologous proteins. The proteins shared identities of 97.5%, 100% and 89.5% with their SUB, P0 and FER2 R. sanguineus s.l. orthologous sequences, respectively. Antibodies against each recombinant protein cross-recognized the native proteins in the different tissues and developmental stages of R. sanguineus s.l. Overall efficacy of the SUB, FER2 and cocktail (SUB+FER2+P0) vaccines against R. sanguineus s.l. infestation was 86.3%, 95.9% and 90.9%, respectively. CONCLUSIONS Both mono-antigen and the cocktail anti-tick vaccines affected the biological parameters of R. sanguineus s.l. infestation in the rabbit model, which could be extrapolated to its infested host under natural conditions. These findings support the possibility of using mono-antigenic and cocktail-based vaccines for large-scale anti-tick vaccine development against multiple tick species.
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Affiliation(s)
- Ismail Zeb
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan, 23200, Pakistan
| | - Luís Fernando Parizi
- Centro de Biotecnologia and Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Campus do Vale, Porto Alegre, RS, 91501-970, Brazil
| | | | - Itabajara da Silva Vaz
- Centro de Biotecnologia and Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Campus do Vale, Porto Alegre, RS, 91501-970, Brazil
| | - Abid Ali
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan, 23200, Pakistan.
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Rodríguez-Mallon A, Encinosa Guzmán PE, Bello Y, Domingos A, Antunes S, Kopacek P, Santos AS, Velez R, Perner J, Ledesma Bravo FL, Frantova H, Erhart J, Rodríguez R, Fuentes A, Diago D, Joglar M, Méndez L, Estrada MP. Efficacy of the Vaccine Candidate Based on the P0 Peptide against Dermacentor nitens and Ixodes ricinus Ticks. Pathogens 2023; 12:1365. [PMID: 38003829 PMCID: PMC10675505 DOI: 10.3390/pathogens12111365] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 11/14/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023] Open
Abstract
The control of ticks through vaccination offers a sustainable alternative to the use of chemicals that cause contamination and the selection of resistant tick strains. However, only a limited number of anti-tick vaccines have reached commercial realization. In this sense, an antigen effective against different tick species is a desirable target for developing such vaccines. A peptide derived from the tick P0 protein (pP0) conjugated to a carrier protein has been demonstrated to be effective against the Rhipicephalus microplus, Rhipicephalus sanguineus, and Amblyomma mixtum tick species. The aim of this work was to assess the efficacy of this peptide when conjugated to the Bm86 protein against Dermacentor nitens and Ixodes ricinus ticks. An RNAi experiment using P0 dsRNA from I. ricinus showed a dramatic reduction in the feeding of injected female ticks on guinea pigs. In the follow-up vaccination experiments, rabbits were immunized with the pP0-Bm86 conjugate and challenged simultaneously with larvae, nymphs, and the adults of I. ricinus ticks. In the same way, horses were immunized with the pP0-Bm86 conjugate and challenged with D. nitens larva. The pP0-Bm86 conjugate showed efficacies of 63% and 55% against I. ricinus and D. nitens ticks, respectively. These results, combined with previous reports of efficacy for this conjugate, show the promising potential for its development as a broad-spectrum anti-tick vaccine.
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Affiliation(s)
- Alina Rodríguez-Mallon
- Center for Genetic Engineering and Biotechnology (CIGB), 31st Avenue and 190, Havana 10600, Cuba; (P.E.E.G.); (F.L.L.B.); (D.D.); (M.J.); (M.P.E.)
| | - Pedro E. Encinosa Guzmán
- Center for Genetic Engineering and Biotechnology (CIGB), 31st Avenue and 190, Havana 10600, Cuba; (P.E.E.G.); (F.L.L.B.); (D.D.); (M.J.); (M.P.E.)
| | - Yamil Bello
- Center for Genetic Engineering and Biotechnology (CIGB), 31st Avenue and 190, Havana 10600, Cuba; (P.E.E.G.); (F.L.L.B.); (D.D.); (M.J.); (M.P.E.)
| | - Ana Domingos
- Global Health and Tropical Medicine, GHTM, Associate Laboratory in Translation and Innovation towards Global Health, LA-REAL, Instituto de Higiene e Medicina Tropical, IHMT, Universidade Nova de Lisboa, UNL, Rua da Junqueira 100, 1349-008 Lisboa, Portugal; (A.D.); (S.A.)
| | - Sandra Antunes
- Global Health and Tropical Medicine, GHTM, Associate Laboratory in Translation and Innovation towards Global Health, LA-REAL, Instituto de Higiene e Medicina Tropical, IHMT, Universidade Nova de Lisboa, UNL, Rua da Junqueira 100, 1349-008 Lisboa, Portugal; (A.D.); (S.A.)
| | - Petr Kopacek
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005 České Budějovice, Czech Republic; (P.K.); (J.P.); (H.F.)
| | - Ana Sofia Santos
- Centro de Estudos de Vetores e Doenças Infeciosas Dr. Francisco Cambournac, Instituto Nacional de Saúde Doutor Ricardo Jorge (CEVDI-INSA), 2965-575 Águas de Moura, Portugal; (A.S.S.); (R.V.)
- Instituto de Saúde Ambiental, Faculdade de Medicina, Universidade de Lisboa, 1649-004 Lisboa, Portugal
| | - Rita Velez
- Centro de Estudos de Vetores e Doenças Infeciosas Dr. Francisco Cambournac, Instituto Nacional de Saúde Doutor Ricardo Jorge (CEVDI-INSA), 2965-575 Águas de Moura, Portugal; (A.S.S.); (R.V.)
| | - Jan Perner
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005 České Budějovice, Czech Republic; (P.K.); (J.P.); (H.F.)
| | - Frank L. Ledesma Bravo
- Center for Genetic Engineering and Biotechnology (CIGB), 31st Avenue and 190, Havana 10600, Cuba; (P.E.E.G.); (F.L.L.B.); (D.D.); (M.J.); (M.P.E.)
| | - Helena Frantova
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005 České Budějovice, Czech Republic; (P.K.); (J.P.); (H.F.)
| | - Jan Erhart
- Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005 České Budějovice, Czech Republic; (P.K.); (J.P.); (H.F.)
| | - Rafmary Rodríguez
- National Laboratory of Parasitology, Avenue San Antonio-Rincón, Km 1 1/2, Artemisa 32500, Cuba; (R.R.); (A.F.)
| | - Alier Fuentes
- National Laboratory of Parasitology, Avenue San Antonio-Rincón, Km 1 1/2, Artemisa 32500, Cuba; (R.R.); (A.F.)
| | - David Diago
- Center for Genetic Engineering and Biotechnology (CIGB), 31st Avenue and 190, Havana 10600, Cuba; (P.E.E.G.); (F.L.L.B.); (D.D.); (M.J.); (M.P.E.)
| | - Marisdania Joglar
- Center for Genetic Engineering and Biotechnology (CIGB), 31st Avenue and 190, Havana 10600, Cuba; (P.E.E.G.); (F.L.L.B.); (D.D.); (M.J.); (M.P.E.)
| | - Luis Méndez
- National Laboratory of Parasitology, Avenue San Antonio-Rincón, Km 1 1/2, Artemisa 32500, Cuba; (R.R.); (A.F.)
| | - Mario Pablo Estrada
- Center for Genetic Engineering and Biotechnology (CIGB), 31st Avenue and 190, Havana 10600, Cuba; (P.E.E.G.); (F.L.L.B.); (D.D.); (M.J.); (M.P.E.)
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Rodríguez-Durán A, Ullah S, Parizi LF, Ali A, da Silva Vaz Junior I. Rabbits as Animal Models for Anti-Tick Vaccine Development: A Global Scenario. Pathogens 2023; 12:1117. [PMID: 37764925 PMCID: PMC10536012 DOI: 10.3390/pathogens12091117] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
Studies evaluating candidate tick-derived proteins as anti-tick vaccines in natural hosts have been limited due to high costs. To overcome this problem, animal models are used in immunization tests. The aim of this article was to review the use of rabbits as an experimental model for the evaluation of tick-derived proteins as vaccines. A total of 57 tick proteins were tested for their immunogenic potential using rabbits as models for vaccination. The most commonly used rabbit breeds were New Zealand (73.8%), Japanese white (19%), Californians (4.8%) and Flemish lop-eared (2.4%) rabbits. Anti-tick vaccines efficacy resulted in up to 99.9%. Haemaphysalis longicornis (17.9%) and Ornithodoros moubata (12.8%) were the most common tick models in vaccination trials. Experiments with rabbits have revealed that some proteins (CoAQP, OeAQP, OeAQP1, Bm86, GST-Hl, 64TRP, serpins and voraxin) can induce immune responses against various tick species. In addition, in some cases it was possible to determine that the vaccine efficacy in rabbits was similar to that of experiments performed on natural hosts (e.g., Bm86, IrFER2, RmFER2, serpins and serine protease inhibitor). In conclusion, results showed that prior to performing anti-tick vaccination trials using natural hosts, rabbits can be used as suitable experimental models for these studies.
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Affiliation(s)
- Arlex Rodríguez-Durán
- Centro de Biotecnologia, Universidade Federal do Rio Grande de Sul, Avenida Bento Gonçalves, 9500, Porto Alegre 91501-970, RS, Brazil; (A.R.-D.); (S.U.); (L.F.P.)
- Programa de Pós-Graduação em Ciências Veterinária, Universidade Federal do Rio Grande de Sul, Avenida Bento Gonçalves, 9090, Porto Alegre 91540-000, RS, Brazil
- Grupo de Investigación Parasitología Veterinaria, Laboratorio de Parasitología Veterinaria, Universidad Nacional de Colombia, Carrera 45 No. 26-85, Bogotá 110911, Colombia
| | - Shafi Ullah
- Centro de Biotecnologia, Universidade Federal do Rio Grande de Sul, Avenida Bento Gonçalves, 9500, Porto Alegre 91501-970, RS, Brazil; (A.R.-D.); (S.U.); (L.F.P.)
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan 23200, Khyber Pakhtunkhwa, Pakistan;
| | - Luís Fernando Parizi
- Centro de Biotecnologia, Universidade Federal do Rio Grande de Sul, Avenida Bento Gonçalves, 9500, Porto Alegre 91501-970, RS, Brazil; (A.R.-D.); (S.U.); (L.F.P.)
| | - Abid Ali
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan 23200, Khyber Pakhtunkhwa, Pakistan;
| | - Itabajara da Silva Vaz Junior
- Centro de Biotecnologia, Universidade Federal do Rio Grande de Sul, Avenida Bento Gonçalves, 9500, Porto Alegre 91501-970, RS, Brazil; (A.R.-D.); (S.U.); (L.F.P.)
- Faculdade de Veterinária, Universidade Federal do Rio Grande de Sul, Avenida Bento Gonçalves, 9090, Porto Alegre 91540-000, RS, Brazil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular (INCT-EM), Rio de Janeiro 21941-853, RJ, Brazil
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Parizi LF, Githaka NW, Logullo C, Zhou J, Onuma M, Termignoni C, da Silva Vaz I. Universal Tick Vaccines: Candidates and Remaining Challenges. Animals (Basel) 2023; 13:2031. [PMID: 37370541 DOI: 10.3390/ani13122031] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 05/29/2023] [Accepted: 06/17/2023] [Indexed: 06/29/2023] Open
Abstract
Recent advancements in molecular biology, particularly regarding massively parallel sequencing technologies, have enabled scientists to gain more insight into the physiology of ticks. While there has been progress in identifying tick proteins and the pathways they are involved in, the specificities of tick-host interaction at the molecular level are not yet fully understood. Indeed, the development of effective commercial tick vaccines has been slower than expected. While omics studies have pointed to some potential vaccine immunogens, selecting suitable antigens for a multi-antigenic vaccine is very complex due to the participation of redundant molecules in biological pathways. The expansion of ticks and their pathogens into new territories and exposure to new hosts makes it necessary to evaluate vaccine efficacy in unusual and non-domestic host species. This situation makes ticks and tick-borne diseases an increasing threat to animal and human health globally, demanding an urgent availability of vaccines against multiple tick species and their pathogens. This review discusses the challenges and advancements in the search for universal tick vaccines, including promising new antigen candidates, and indicates future directions in this crucial research field.
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Affiliation(s)
- Luís Fernando Parizi
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre 91501-970, Brazil
| | | | - Carlos Logullo
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-853, Brazil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-853, Brazil
| | - Jinlin Zhou
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Misao Onuma
- Department of Infectious Diseases, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo 060-0818, Japan
| | - Carlos Termignoni
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre 91501-970, Brazil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-853, Brazil
- Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Porto Alegre 90040-060, Brazil
| | - Itabajara da Silva Vaz
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre 91501-970, Brazil
- Instituto Nacional de Ciência e Tecnologia em Entomologia Molecular, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-853, Brazil
- Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre 91540-000, Brazil
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Nandi A, Solanki V, Tiwari V, Sajjanar B, Sankar M, Saini M, Shrivastava S, Bhure SK, Ghosh S. Protective Efficacy of Multiple Epitope-Based Vaccine against Hyalomma anatolicum, Vector of Theileria annulata and Crimean-Congo Hemorrhagic Fever Virus. Vaccines (Basel) 2023; 11:vaccines11040881. [PMID: 37112793 PMCID: PMC10143353 DOI: 10.3390/vaccines11040881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 04/10/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
Hyalomma anatolicum is the principal vector for Theileria annulata, T. equi, and T. Lestoquardi in animals and the Crimean-Congo hemorrhagic fever virus in humans. Due to the gradual loss of efficacy of the available acaricides against field tick populations, the development of phytoacaricides and vaccines has been considered the two most critical components of the integrated tick management strategies. In the present study, in order to induce both cellular and humoral immune responses in the host against H. anatolicum, two multi-epitopic peptides (MEPs), i.e., VT1 and VT2, were designed. The immune-stimulating potential of the constructs was determined by in silicoinvestigation on allergenicity (non-allergen, antigenic (0.46 and 1.0046)), physicochemical properties (instability index 27.18 and 35.46), as well as the interaction of constructs with TLRs by docking and molecular dynamics analysis. The immunization efficacy of the MEPs mixed with 8% MontanideTM gel 01 PR against H. anatolicum larvae was determined as 93.3% and 96.9% in VT1- and VT2-immunized rabbits, respectively. Against adults, the efficacy was 89.9% and 86.4% in VT1- and VT2-immunized rabbits, respectively. A significant (p < 0.001) reduction in the anti-inflammatory cytokine (IL-4) and significantly higher IgG response was observed in a VT1-immunized group of rabbits as compared with the response observed in the control group. However, in the case of the VT2-immunized rabbits, an elevated anti-VT2 IgG and pro-inflammatory cytokine (IL-2) (>30 fold) along with a decreased level of anti-inflammatory cytokine IL-4 (0.75 times) was noted. The efficacy of MEP and its potential immune stimulatory responses indicate that it might be useful for tick management.
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Affiliation(s)
- Abhijit Nandi
- Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, India
| | - Vandana Solanki
- Department of Biochemistry, Central University of Rajasthan, Bandarsindri, Ajmer 305817, India
| | - Vishvanath Tiwari
- Department of Biochemistry, Central University of Rajasthan, Bandarsindri, Ajmer 305817, India
| | - Basavaraj Sajjanar
- Veterinary Biotechnology Division, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, India
| | - Muthu Sankar
- Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, India
| | - Mohini Saini
- Division of Biochemistry, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, India
| | - Sameer Shrivastava
- Veterinary Biotechnology Division, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, India
| | - S K Bhure
- Division of Biochemistry, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, India
| | - Srikant Ghosh
- Division of Parasitology, ICAR-Indian Veterinary Research Institute, Izatnagar 243122, India
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Abbas MN, Jmel MA, Mekki I, Dijkgraaf I, Kotsyfakis M. Recent Advances in Tick Antigen Discovery and Anti-Tick Vaccine Development. Int J Mol Sci 2023; 24:4969. [PMID: 36902400 PMCID: PMC10003026 DOI: 10.3390/ijms24054969] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/28/2023] [Accepted: 03/01/2023] [Indexed: 03/08/2023] Open
Abstract
Ticks can seriously affect human and animal health around the globe, causing significant economic losses each year. Chemical acaricides are widely used to control ticks, which negatively impact the environment and result in the emergence of acaricide-resistant tick populations. A vaccine is considered as one of the best alternative approaches to control ticks and tick-borne diseases, as it is less expensive and more effective than chemical controls. Many antigen-based vaccines have been developed as a result of current advances in transcriptomics, genomics, and proteomic techniques. A few of these (e.g., Gavac® and TickGARD®) are commercially available and are commonly used in different countries. Furthermore, a significant number of novel antigens are being investigated with the perspective of developing new anti-tick vaccines. However, more research is required to develop new and more efficient antigen-based vaccines, including on assessing the efficiency of various epitopes against different tick species to confirm their cross-reactivity and their high immunogenicity. In this review, we discuss the recent advancements in the development of antigen-based vaccines (traditional and RNA-based) and provide a brief overview of recent discoveries of novel antigens, along with their sources, characteristics, and the methods used to test their efficiency.
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Affiliation(s)
- Muhammad Nadeem Abbas
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400716, China
| | - Mohamed Amine Jmel
- Laboratory of Genomics and Proteomics of Disease Vectors, Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005 Ceske Budejovice, Czech Republic
| | - Imen Mekki
- Laboratory of Genomics and Proteomics of Disease Vectors, Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005 Ceske Budejovice, Czech Republic
| | - Ingrid Dijkgraaf
- Department of Biochemistry, CARIM, Maastricht University, 6229 ER Maastricht, The Netherlands
| | - Michail Kotsyfakis
- Laboratory of Genomics and Proteomics of Disease Vectors, Institute of Parasitology, Biology Centre, Czech Academy of Sciences, 37005 Ceske Budejovice, Czech Republic
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10
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Antunes S, Domingos A. Tick Vaccines and Concealed versus Exposed Antigens. Pathogens 2023; 12:pathogens12030374. [PMID: 36986295 PMCID: PMC10056810 DOI: 10.3390/pathogens12030374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/14/2023] [Accepted: 02/16/2023] [Indexed: 03/03/2023] Open
Abstract
Anti-tick vaccines development mainly depends on the identification of suitable antigens, which ideally should have different features. These should be key molecules in tick biology, encoded by a single gene, expressed across life stages and tick tissues, capable of inducing B and T cells to promote an immunological response without allergenic, hemolytic, and toxic effects; and should not be homologous to the mammalian host. The discussion regarding this subject and the usefulness of “exposed” and “concealed” antigens was effectively explored in the publication by Nuttall et al. (2006). The present commentary intends to debate the relevance of such study in the field of tick immunological control.
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Affiliation(s)
- Sandra Antunes
- Global Health and Tropical Medicine, Institute of Hygiene and Tropical Medicine, NOVA University of Lisbon, Rua da Junqueira, 100, 1349-008 Lisboa, Portugal
- Institute of Hygiene and Tropical Medicine, NOVA University of Lisbon, Rua da Junqueira, 100, 1349-008 Lisboa, Portugal
| | - Ana Domingos
- Global Health and Tropical Medicine, Institute of Hygiene and Tropical Medicine, NOVA University of Lisbon, Rua da Junqueira, 100, 1349-008 Lisboa, Portugal
- Institute of Hygiene and Tropical Medicine, NOVA University of Lisbon, Rua da Junqueira, 100, 1349-008 Lisboa, Portugal
- Correspondence:
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11
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The Bm86 Discovery: A Revolution in the Development of Anti-Tick Vaccines. Pathogens 2023; 12:pathogens12020231. [PMID: 36839503 PMCID: PMC9965646 DOI: 10.3390/pathogens12020231] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 01/30/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
The presence in nature of species with genetic resistance to ticks, or with acquired resistance after repeated tick infestations, has encouraged the scientific community to consider vaccination as an alternative to the unsustainable chemical control of ticks. After numerous attempts to artificially immunize hosts with tick extracts, the purification and characterization of the Bm86 antigen by Willadsen et al. in 1989 constituted a revolutionary step forward in the development of vaccines against ticks. Previously, innovative studies that had used tick gut extracts for the immunization of cattle against Rhipicepahalus microplus (previously named Boophilus microplus) ticks, with amazingly successful results, demonstrated the feasibility of using antigens other than salivary-gland-derived molecules to induce a strong anti-tick immunity. However, the practical application of an anti-tick vaccine required the isolation, identification, and purification of the responsible antigen, which was finally defined as the Bm86 protein. More than thirty years later, the only commercially available anti-tick vaccines are still based on this antigen, and all our current knowledge about the field application of immunological control based on vaccination against ticks has been obtained through the use of these vaccines.
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12
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Zeb I, Almutairi MM, Alouffi A, Islam N, Parizi LF, Safi SZ, Tanaka T, da Silva Vaz I, Ali A. Low Genetic Polymorphism in the Immunogenic Sequences of Rhipicephalus microplus Clade C. Vaccines (Basel) 2022; 10:1909. [PMID: 36423005 PMCID: PMC9697226 DOI: 10.3390/vaccines10111909] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/25/2022] [Accepted: 10/28/2022] [Indexed: 02/06/2024] Open
Abstract
Rhipicephalus microplus tick highly affects the veterinary sector throughout the world. Different tick control methods have been adopted, and the identification of tick-derived highly immunogenic sequences for the development of an anti-tick vaccine has emerged as a successful alternate. This study aimed to characterize immunogenic sequences from R. microplus ticks prevalent in Pakistan. Ticks collected in the field were morphologically identified and subjected to DNA and RNA extraction. Ticks were molecularly identified based on the partial mitochondrial cytochrome C oxidase subunit (cox) sequence and screened for piroplasms (Theileria/Babesia spp.), Rickettsia spp., and Anaplasma spp. PCR-based pathogens-free R. microplus-derived cDNA was used for the amplification of full-length cysteine protease inhibitor (cystatin 2b), cathepsin L-like cysteine proteinase (cathepsin-L), glutathione S-transferase (GST), ferritin 1, 60S acidic ribosomal protein (P0), aquaporin 2, ATAQ, and R. microplus 05 antigen (Rm05Uy) coding sequences. The cox sequence revealed 100% identity with the nucleotide sequences of Pakistan's formerly reported R. microplus, and full-length immunogenic sequences revealed maximum identities to the most similar sequences reported from India, China, Cuba, USA, Brazil, Egypt, Mexico, Israel, and Uruguay. Low nonsynonymous polymorphisms were observed in ATAQ (1.5%), cathepsin-L (0.6%), and aquaporin 2 (0.4%) sequences compared to the homologous sequences from Mexico, India, and the USA, respectively. Based on the cox sequence, R. microplus was phylogenetically assembled in clade C, which includes R. microplus from Pakistan, Myanmar, Malaysia, Thailand, Bangladesh, and India. In the phylogenetic trees, the cystatin 2b, cathepsin-L, ferritin 1, and aquaporin 2 sequences were clustered with the most similar available sequences of R. microplus, P0 with R. microplus, R. sanguineus and R. haemaphysaloides, and GST, ATAQ, and Rm05Uy with R. microplus and R. annulatus. This is the first report on the molecular characterization of clade C R. microplus-derived immunogenic sequences.
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Affiliation(s)
- Ismail Zeb
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
| | - Mashal M Almutairi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdulaziz Alouffi
- King Abdulaziz City for Science and Technology, Riyadh 12354, Saudi Arabia
| | - Nabila Islam
- Department of Chemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
| | - Luís Fernando Parizi
- Centro de Biotecnologia and Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Campus do Vale, Porto Alegre 91501-970, RS, Brazil
| | - Sher Zaman Safi
- Faculty of Medicine, Bioscience and Nursing, MAHSA University, Jenjarom 42610, Malaysia
| | - Tetsuya Tanaka
- Laboratory of Infectious Diseases, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima 890-0065, Japan
| | - Itabajara da Silva Vaz
- Centro de Biotecnologia and Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Campus do Vale, Porto Alegre 91501-970, RS, Brazil
| | - Abid Ali
- Department of Zoology, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
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Almazán C. Impact of the Paper by Allen and Humphreys (1979) on Anti-Tick Vaccine Research. Pathogens 2022; 11:1253. [PMID: 36365004 PMCID: PMC9692451 DOI: 10.3390/pathogens11111253] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 10/24/2022] [Accepted: 10/26/2022] [Indexed: 09/29/2023] Open
Abstract
The classic paper by Allen and Humphreys "Immunisation of guinea pigs and cattle against ticks" Nature, 1979, 280: 491-493 led to a surge in the development of tick vaccines as a nonchemical method for prevention of tick infestations in susceptible hosts living in tick-endemic regions. Although observations of host resistance to ticks had been documented since the beginning of the last century, it was not until publication of this paper that the proof of concept of anti-tick vaccines was developed. The described experimental methods directly impacted further investigations on the discovery and evaluation of new anti-tick vaccines.
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Affiliation(s)
- Consuelo Almazán
- Immunology and Vaccines Laboratory, Facultad de Ciencias Naturales, Universidad Autónoma de Querétaro, Queretaro 76140, Mexico
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14
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Francois Millien M, Saint-Louis D, Michel D. Overview of the Main Species of Ticks and Animal and Human Tick-Related Diseases in the Caribbean, Particularly in Haiti. Infect Dis (Lond) 2022. [DOI: 10.5772/intechopen.106080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
The Caribbean region faces a wide diversity of ticks and tick-borne diseases (TBDs) in animals and humans. But to date, these have been the subject of few studies, resulting in a relative lack of knowledge of their epidemiology, pathogenicity, and the best prevention and control methods. Ticks are hematophagous mites, which feed on the blood of mammals, birds, and reptiles. They are subdivided into two large families: the Ixodidae or hard ticks and the Argasidae or soft ticks. Each collection of blood by ticks from infected hosts can lead to their infection, which will contaminate other previously unharmed animals and contribute to the spread of tick-borne diseases caused mainly by bacteria, viruses, and parasites. It seems important to us to draw up a state of knowledge on ticks. Some long-known tick species like Rhipicephalus, Dermacentor, and Amblyomma and diseases like Anaplasmosis and Babesiosis deserve to be better studied, and others are yet to be identified for further research. The study consists of a review of the various documents published on this theme by Haitian and foreign researchers. The data are analyzed to assess the spatiotemporal distribution of ticks and identify the pathogenic germs they harbor and the various pathologies they induce in the Caribbean and Haiti.
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15
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Hussain S, Perveen N, Hussain A, Song B, Aziz MU, Zeb J, Li J, George D, Cabezas-Cruz A, Sparagano O. The Symbiotic Continuum Within Ticks: Opportunities for Disease Control. Front Microbiol 2022; 13:854803. [PMID: 35369485 PMCID: PMC8969565 DOI: 10.3389/fmicb.2022.854803] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/15/2022] [Indexed: 12/26/2022] Open
Abstract
Among blood-sucking arthropods, ticks are recognized as being of prime global importance because of their role as vectors of pathogens affecting human and animal health. Ticks carry a variety of pathogenic, commensal, and symbiotic microorganisms. For the latter, studies are available concerning the detection of endosymbionts, but their role in the physiology and ecology of ticks remains largely unexplored. This review paper focuses on tick endosymbionts of the genera Coxiella, Rickettsia, Francisella, Midichloria, and Wolbachia, and their impact on ticks and tick-pathogen interactions that drive disease risk. Tick endosymbionts can affect tick physiology by influencing nutritional adaptation, fitness, and immunity. Further, symbionts may influence disease ecology, as they interact with tick-borne pathogens and can facilitate or compete with pathogen development within the vector tissues. Rickettsial symbionts are frequently found in ticks of the genera of Ixodes, Amblyomma, and Dermacentor with relatively lower occurrence in Rhipicephalus, Haemaphysalis, and Hyalomma ticks, while Coxiella-like endosymbionts (CLEs) were reported infecting almost all tick species tested. Francisella-like endosymbionts (FLEs) have been identified in tick genera such as Dermacentor, Amblyomma, Ornithodoros, Ixodes, and Hyalomma, whereas Wolbachia sp. has been detected in Ixodes, Amblyomma, Hyalomma, and Rhipicephalus tick genera. Notably, CLEs and FLEs are obligate endosymbionts essential for tick survival and development through the life cycle. American dog ticks showed greater motility when infected with Rickettsia, indirectly influencing infection risk, providing evidence of a relationship between tick endosymbionts and tick-vectored pathogens. The widespread occurrence of endosymbionts across the tick phylogeny and evidence of their functional roles in ticks and interference with tick-borne pathogens suggests a significant contribution to tick evolution and/or vector competence. We currently understand relatively little on how these endosymbionts influence tick parasitism, vector capacity, pathogen transmission and colonization, and ultimately on how they influence tick-borne disease dynamics. Filling this knowledge gap represents a major challenge for future research.
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Affiliation(s)
- Sabir Hussain
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Nighat Perveen
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Abrar Hussain
- Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Baolin Song
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Muhammad Umair Aziz
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Jehan Zeb
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Jun Li
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - David George
- School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Alejandro Cabezas-Cruz
- Anses, INRAE, Ecole Nationale Vétérinaire d’Alfort, UMR BIPAR, Laboratoire de Santé Animale, Maisons-Alfort, France
| | - Olivier Sparagano
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong SAR, China
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16
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Hendawy SHM, Alzan HF, Tanaka T, Mahmoud MS. Fundamental Tick Vaccinomic Approach to Evade Host Autoimmune Reaction. METHODS IN MOLECULAR BIOLOGY (CLIFTON, N.J.) 2022; 2411:343-358. [PMID: 34816415 DOI: 10.1007/978-1-0716-1888-2_20] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Ticks are obligate hematophagous ectoparasites that infect domestic animals, humans, and wildlife. Ticks can transmit a wide range of pathogens (viruses, rickettsia, bacteria, parasites, etc.), and some of those are of zoonotic importance. Tick-borne diseases have a negative economic impact in several tropical and subtropical countries. With climate change, tick distribution and tick-associated pathogens have increased. Currently, tick control procedures have more environmental drawbacks and there are pitfalls in vaccination process. Since vaccinations have helped to prevent several diseases and infections, several vaccination trials are ongoing to control ticks and tick-borne pathogens. However, autoimmune reactions to vaccinations are reported as an adverse reaction since vaccines were used to protect against disease in humans and animals. The antibodies against the vaccine antigen might harm similar antigen in the host. Therefore, in this chapter, we attempt to shed light on the importance of raising awareness of possible adverse events associated with vaccinations and the methods that should be used to address this problem. In silico and lab work should be performed ahead of the vaccination process to evaluate the vaccine candidates and avoid the vaccination opposing consequences.
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Affiliation(s)
- Seham H M Hendawy
- Parasitology and Animal Diseases Department, Veterinary Research Division, National Research Centre, Cairo, Egypt.,Tick and Tick-Borne Diseases Research Unit, Veterinary Research Division, National Research Centre, Cairo, Egypt
| | - Heba F Alzan
- Parasitology and Animal Diseases Department, Veterinary Research Division, National Research Centre, Cairo, Egypt.,Tick and Tick-Borne Diseases Research Unit, Veterinary Research Division, National Research Centre, Cairo, Egypt.,Department of Veterinary Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, WA, USA
| | - Tetsuya Tanaka
- Laboratory of Infectious Diseases, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan.
| | - Mona S Mahmoud
- Parasitology and Animal Diseases Department, Veterinary Research Division, National Research Centre, Cairo, Egypt.,Tick and Tick-Borne Diseases Research Unit, Veterinary Research Division, National Research Centre, Cairo, Egypt
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17
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Maitre A, Wu-Chuang A, Aželytė J, Palinauskas V, Mateos-Hernández L, Obregon D, Hodžić A, Valiente Moro C, Estrada-Peña A, Paoli JC, Falchi A, Cabezas-Cruz A. Vector microbiota manipulation by host antibodies: the forgotten strategy to develop transmission-blocking vaccines. Parasit Vectors 2022; 15:4. [PMID: 34983601 PMCID: PMC8725291 DOI: 10.1186/s13071-021-05122-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 12/11/2021] [Indexed: 01/04/2023] Open
Abstract
Human and animal pathogens that are transmitted by arthropods are a global concern, particularly those vectored by ticks (e.g. Borrelia burgdorferi and tick-borne encephalitis virus) and mosquitoes (e.g. malaria and dengue virus). Breaking the circulation of pathogens in permanent foci by controlling vectors using acaricide-based approaches is threatened by the selection of acaricide resistance in vector populations, poor management practices and relaxing of control measures. Alternative strategies that can reduce vector populations and/or vector-mediated transmission are encouraged worldwide. In recent years, it has become clear that arthropod-associated microbiota are involved in many aspects of host physiology and vector competence, prompting research into vector microbiota manipulation. Here, we review how increased knowledge of microbial ecology and vector-host interactions is driving the emergence of new concepts and tools for vector and pathogen control. We focus on the immune functions of host antibodies taken in the blood meal as they can target pathogens and microbiota bacteria within hematophagous arthropods. Anti-microbiota vaccines are presented as a tool to manipulate the vector microbiota and interfere with the development of pathogens within their vectors. Since the importance of some bacterial taxa for colonization of vector-borne pathogens is well known, the disruption of the vector microbiota by host antibodies opens the possibility to develop novel transmission-blocking vaccines.
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Affiliation(s)
- Apolline Maitre
- UMR BIPAR, Laboratoire de Santé Animale, Anses, INRAE, Ecole Nationale Vétérinaire d'Alfort, 94700, Maisons-Alfort, France
- INRAE, UR 0045 Laboratoire de Recherches Sur Le Développement de L'Elevage (SELMET-LRDE), 20250, Corte, France
- EA 7310, Laboratoire de Virologie, Université de Corse, Corte, France
| | - Alejandra Wu-Chuang
- UMR BIPAR, Laboratoire de Santé Animale, Anses, INRAE, Ecole Nationale Vétérinaire d'Alfort, 94700, Maisons-Alfort, France
| | - Justė Aželytė
- Nature Research Centre, Akademijos 2, 09412, Vilnius, Lithuania
| | | | - Lourdes Mateos-Hernández
- UMR BIPAR, Laboratoire de Santé Animale, Anses, INRAE, Ecole Nationale Vétérinaire d'Alfort, 94700, Maisons-Alfort, France
| | - Dasiel Obregon
- School of Environmental Sciences, University of Guelph, Guelph, ON, Canada
| | - Adnan Hodžić
- Institute of Parasitology, Department of Pathobiology, University of Veterinary Medicine Vienna, Veterinaerplatz 1, 1210, Vienna, Austria
| | - Claire Valiente Moro
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, INRAE, VetAgro Sup, UMR Ecologie Microbienne, 69622, Villeurbanne, France
| | | | - Jean-Christophe Paoli
- INRAE, UR 0045 Laboratoire de Recherches Sur Le Développement de L'Elevage (SELMET-LRDE), 20250, Corte, France
| | - Alessandra Falchi
- EA 7310, Laboratoire de Virologie, Université de Corse, Corte, France
| | - Alejandro Cabezas-Cruz
- UMR BIPAR, Laboratoire de Santé Animale, Anses, INRAE, Ecole Nationale Vétérinaire d'Alfort, 94700, Maisons-Alfort, France.
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18
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Ferreira Leal B, Sanchez Ferreira CA. Ticks and antibodies: May parasite density and tick evasion influence the outcomes following immunization protocols? Vet Parasitol 2021; 300:109610. [PMID: 34735848 DOI: 10.1016/j.vetpar.2021.109610] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 09/07/2021] [Accepted: 10/19/2021] [Indexed: 11/30/2022]
Abstract
Ticks are a major concern to human health and livestock worldwide, being responsible for economic losses that go beyond billions of US dollars per year. This scenario instigates the development of vaccines against these ectoparasites, emphasized by the fact that the main method of controlling ticks still relies on the use of acaricides, what increases costs and may affect the environment as well as human and animal health. The first commercial vaccines against ectoparasites were produced against the tick Rhipicephalus microplus and their efficacy were based on antibodies. Many additional attempts have been conducted to produce protective immune responses against ticks by immunization with specific antigens and the antibody response has usually been the main target of evaluation. But some controversy still populates the roles possibly performed by humoral responses in tick-mammalian host relationships. This review focuses on the analysis of specific aspects concerning antibodies and ticks, especially the influence of parasite density and evasion/modulation. The immunization trials already described against R. microplus were also compiled and analyzed based on the characteristics of the molecules tested, protocols of immunization and tick challenge. Within these issues, it is discussed if or when antibody levels can be directly correlated with the development of tick resistance, and whether anti-tick protective immune responses generated by infestations may become ineffective under a different tick density. Also, higher titers of antibodies can be correlated with protection or susceptibility to tick infestations, what may be altered following continuous or repeated infestations and differ greatly comparing hosts with distinct genetic backgrounds. Regarding evasion, ticks present a sophisticated mechanism for dealing with antibodies, including Immunoglobulin Binding Proteins (IGBPs), that capture, transport and inject them back into the host, while keeping their properties within the parasite. The comparison of immunization protocols shows a total of 22 molecules already tested in cattle vaccination trials against R. microplus, with the predominance of concealed and dual antigens as well as marked differences in tick challenge schemes. The presence of an antibody evasion apparatus and variable levels of tick resistance when facing different densities of parasites are concerns that should be considered when testing vaccine candidates. Ultimately, more refinement may be necessary to effectively design a cocktail vaccine with tick molecules, which may be needed to be altered and combined in non-competing immune contexts to be universally secure and protective.
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Affiliation(s)
- Bruna Ferreira Leal
- Laboratório de Imunologia e Microbiologia, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Av. Ipiranga, 6681, 90619-900, Porto Alegre, RS, Brazil.
| | - Carlos Alexandre Sanchez Ferreira
- Laboratório de Imunologia e Microbiologia, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Av. Ipiranga, 6681, 90619-900, Porto Alegre, RS, Brazil.
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19
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Pereira DFS, Ribeiro HS, Gonçalves AAM, da Silva AV, Lair DF, de Oliveira DS, Boas DFV, Conrado IDSS, Leite JC, Barata LM, Reis PCC, Mariano RMDS, Santos TAP, Coutinho DCO, Gontijo NDF, Araujo RN, Galdino AS, Paes PRDO, Melo MM, Nagem RAP, Dutra WO, Silveira-Lemos DD, Rodrigues DS, Giunchetti RC. Rhipicephalus microplus: An overview of vaccine antigens against the cattle tick. Ticks Tick Borne Dis 2021; 13:101828. [PMID: 34628330 DOI: 10.1016/j.ttbdis.2021.101828] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 09/08/2021] [Accepted: 09/09/2021] [Indexed: 01/08/2023]
Abstract
Rhipicephalus microplus, popularly known as the cattle tick, is the most important tick of livestock as it is responsible for significant economic losses. The use of chemical acaricides is still the most widely used control method despite its known disadvantages. Vaccination would be a safe alternative for the control of R. microplus and holds advantages over the use of chemical acaricides as it is environmental-friendly and leaves no residues in meat or milk. Two vaccines based on the Bm86 protein were commercialized, TickGARD® and Gavac®, with varying reported efficacies in different countries. The use of other vaccines, such as Tick Vac®, Go-Tick®, and Bovimune Ixovac® have been restricted to some countries. Several other proteins have been analyzed as possible antigens for more effective vaccines against R. microplus, including peptidases, serine proteinase inhibitors, glutathione S-transferases, metalloproteases, and ribosomal proteins, with efficacies ranging from 14% to 96%. Nonetheless, more research is needed to develop safe and efficient tick vaccines, such as the evaluation of the efficacy of antigens against other tick species to verify cross-reactivity and inclusion of additional antigens to promote the blocking of the infection and spreading of tick-borne diseases. This review summarizes the discoveries of candidate antigens for R. microplus tick vaccines as well as the methods used to test their efficacy.
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Affiliation(s)
- Diogo Fonseca Soares Pereira
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | - Helen Silva Ribeiro
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | - Ana Alice Maia Gonçalves
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | - Augusto Ventura da Silva
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | - Daniel Ferreira Lair
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | - Diana Souza de Oliveira
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | - Diego Fernandes Vilas Boas
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | - Ingrid Dos Santos Soares Conrado
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | - Jaqueline Costa Leite
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | - Luccas Miranda Barata
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | - Pedro Campos Carvalhaes Reis
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | - Reysla Maria da Silveira Mariano
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | - Thaiza Aline Pereira Santos
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | - Danielle Carvalho Oliveira Coutinho
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | - Nelder de Figueiredo Gontijo
- Laboratory of Physiology of Hematophagous Insects, Department of Parasitology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Ricardo Nascimento Araujo
- Laboratory of Physiology of Hematophagous Insects, Department of Parasitology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Alexsandro Sobreira Galdino
- Microbial Biotechnology Laboratory, Biochemistry, Federal University of São João Del-Rei, Divinópolis, Minas Gerais, Brazil
| | - Paulo Ricardo de Oliveira Paes
- Department of Veterinary Clinical Medicine and Surgery, College of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Marília Martins Melo
- Department of Veterinary Clinical Medicine and Surgery, College of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Ronaldo Alves Pinto Nagem
- Structural Biology and Biotechnology Laboratory, Department of biochemistry and immunology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Walderez Ornelas Dutra
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil
| | | | | | - Rodolfo Cordeiro Giunchetti
- Laboratory of Cell-Cell Interactions, Institute of Biological Sciences, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-901, Minas Gerais, Brazil.
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20
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Synthesis, LC-MS/MS analysis, and biological evaluation of two vaccine candidates against ticks based on the antigenic P0 peptide from R. sanguineus linked to the p64K carrier protein from Neisseria meningitidis. Anal Bioanal Chem 2021; 413:5885-5900. [PMID: 34341841 PMCID: PMC8328535 DOI: 10.1007/s00216-021-03569-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 07/12/2021] [Accepted: 07/20/2021] [Indexed: 11/24/2022]
Abstract
A peptide from the P0 acidic ribosomal protein (pP0) of ticks conjugated to keyhole limpet hemocyanin from Megathura crenulata has shown to be effective against different tick species when used in host vaccination. Turning this peptide into a commercial anti-tick vaccine will depend on finding the appropriate, technically and economically feasible way to present it to the host immune system. Two conjugates (p64K-Cys1pP0 and p64K-βAla1pP0) were synthesized using the p64K carrier protein from Neisseria meningitidis produced in Escherichia coli, the same cross-linking reagent, and two analogues of pP0. The SDS-PAGE analysis of p64K-Cys1pP0 showed a heterogeneous conjugate compared to p64K-βAla1pP0 that was detected as a protein band at 91kDa. The pP0/p64K ratio determined by MALDI-MS for p64K-Cys1pP0 ranged from 1 to 8, being 3-5 the predominant ratio, while in the case of p64K-βAla1pP0 this ratio was 5-7. Cys1pP0 was partially linked to 35 out of 39 Lys residues and the N-terminal end, while βAla1pP0 was mostly linked to the six free cysteine residues, to the N-terminal end, and, in a lesser extent, to Lys residues. The assignment of the conjugation sites and side reactions were based on the identification of type 2 peptides. Rabbit immunizations showed the best anti-pP0 titers and the highest efficacy against Rhipicephalus sanguineus ticks when the p64K-Cys1pP0 was used as vaccine antigen. The presence of high molecular mass aggregates observed in the SDS-PAGE analysis of p64K-Cys1pP0 could be responsible for a better immune response against pP0 and consequently for its better efficacy as an anti-tick vaccine. Graphical abstract ![]()
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21
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Wu PX, Cui XJ, Cao MX, Lv LH, Dong HM, Xiao SW, Liu JZ, Hu YH. Evaluation on two types of paramyosin vaccines for the control of Haemaphysalis longicornis infestations in rabbits. Parasit Vectors 2021; 14:309. [PMID: 34099029 PMCID: PMC8185926 DOI: 10.1186/s13071-021-04812-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 05/25/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Haemaphysalis longicornis is an obligate hematophagous ectoparasite that transmits a variety of pathogens causing life-threatening diseases in humans and animals. Paramyosin (Pmy) is not only an invertebrate-specific myofibrillar protein but also an important immunomodulatory protein. Therefore, it is one of the ideal candidate antigens for vaccines. METHODS We conducted two vaccine trials to evaluate the protective efficacy of Pmy recombinant protein (rPmy) and peptide vaccine (KLH-LEE). Each rabbit was immunized with three doses of rPmy or KLH-LEE adjuvanted with Freund's complete/incomplete at 500 μg/dose at 2-week intervals before challenge with 40 female H. longicornis/rabbit. PBS plus adjuvant, Trx or KLH was used as control group. The antibodies of rabbits were detected by ELISA. Then, female ticks were fed on the rabbits until detachment. RESULTS ELISA results showed that both vaccines induced rabbits to produce antibodies. Compared with the Trx group, the engorgement weight, oviposition and hatchability of the rPmy group decreased by 8.87%, 26.83% and 38.86%, respectively. On the other hand, engorgement weight, oviposition and hatchability of female ticks in the KLH-LEE group correspondingly resulted in 27.03%, 53.15% and 38.40% reduction compared with that of the KLH group. Considering the cumulative effect of vaccination on the evaluated parameters, results showed 60.37% efficacy of the rPmy vaccine formulation and 70.86% efficacy in the KLH-LEE group. CONCLUSIONS Pmy and particularly epitope LEE have potential for further development of an effective candidate vaccine to protect the host against tick infection. GRAPHIC ABSTARCT.
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Affiliation(s)
- Pin-Xing Wu
- Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, No. 20 East Road of 2nd South Ring, Shijiazhuang, 050024, People's Republic of China
| | - Xue-Jiao Cui
- Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, No. 20 East Road of 2nd South Ring, Shijiazhuang, 050024, People's Republic of China
| | - Mi-Xue Cao
- Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, No. 20 East Road of 2nd South Ring, Shijiazhuang, 050024, People's Republic of China
| | - Li-Hong Lv
- Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, No. 20 East Road of 2nd South Ring, Shijiazhuang, 050024, People's Republic of China
| | - Hong-Meng Dong
- Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, No. 20 East Road of 2nd South Ring, Shijiazhuang, 050024, People's Republic of China
| | - Shu-Wen Xiao
- Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, No. 20 East Road of 2nd South Ring, Shijiazhuang, 050024, People's Republic of China
| | - Jing-Ze Liu
- Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, No. 20 East Road of 2nd South Ring, Shijiazhuang, 050024, People's Republic of China.
| | - Yong-Hong Hu
- Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life Sciences, Hebei Normal University, No. 20 East Road of 2nd South Ring, Shijiazhuang, 050024, People's Republic of China.
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22
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Vaccine approaches applied to controlling dog ticks. Ticks Tick Borne Dis 2021; 12:101631. [PMID: 33494026 DOI: 10.1016/j.ttbdis.2020.101631] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 11/17/2020] [Accepted: 11/18/2020] [Indexed: 11/20/2022]
Abstract
Ticks are considered the most important vectors in veterinary medicine with a profound impact on animal health worldwide, as well as being key vectors of diseases affecting household pets. The leading strategy applied to dog tick control is the continued use of acaricides. However, this approach is not sustainable due to surging tick resistance, growing public concern over pesticide residues in food and in the environment, and the rising costs associated with their development. In contrast, tick vaccines are a cost-effective and environmentally friendly alternative against tick-borne diseases by controlling vector infestations and reducing pathogen transmission. These premises have encouraged researchers to develop an effective vaccine against ticks, with several proteins having been characterized and used in native, synthetic, and recombinant forms as antigens in immunizations. The growing interaction between domestic pets and people underscores the importance of developing new tick control measures that require effective screening platforms applied to vaccine development. However, as reviewed in this paper, very little progress has been made in controlling ectoparasite infestations in pets using the vaccine approach. The control of tick infestations and pathogen transmission could be obtained through immunization programs aimed at reducing the tick population and interfering in the pathogenic transmission that affects human and animal health on a global scale.
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Obregón Alvarez D, Corona-González B, Rodríguez-Mallón A, Rodríguez Gonzalez I, Alfonso P, Noda Ramos AA, Díaz-Sánchez AA, González Navarrete M, Rodríguez Fernández R, Méndez Mellor L, Catanese HN, Peláez M, Alemán Gainza Y, Marrero-Perera R, Roblejo-Arias L, Lobo-Rivero E, Silva CB, Fonseca AH, Roque López E, Cabezas-Cruz A. Ticks and Tick-Borne Diseases in Cuba, Half a Century of Scientific Research. Pathogens 2020; 9:E616. [PMID: 32731487 PMCID: PMC7459505 DOI: 10.3390/pathogens9080616] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 07/23/2020] [Accepted: 07/24/2020] [Indexed: 01/29/2023] Open
Abstract
Ticks and the vast array of pathogens they transmit, including bacteria, viruses, protozoa, and helminths, constitute a growing burden for human and animal health worldwide. In Cuba, the major tropical island in the Caribbean, ticks are an important cause of vector-borne diseases affecting livestock production, pet animal health and, to a lesser extent, human health. The higher number of tick species in the country belong to the Argasidae family and, probably less known, is the presence of an autochthonous tick species in the island, Ixodes capromydis. Herein, we provide a comprehensive review of the ticks and tick-borne pathogens (TBPs) affecting animal and human health in Cuba. The review covers research results including ecophysiology of ticks, the epidemiology of TBPs, and the diagnostic tools used currently in the country for the surveillance of TBPs. We also introduce the programs implemented in the country for tick control and the biotechnology research applied to the development of anti-tick vaccines.
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Affiliation(s)
- Dasiel Obregón Alvarez
- School of Environmental Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
- Center for Nuclear Energy in Agriculture, University of Sao Paulo, Piracicaba, SP 13400-970, Brazil
| | - Belkis Corona-González
- Direction of Animal Health, National Center for Animal and Plant Health, Carretera de Tapaste y Autopista Nacional, Apartado postal 10, San José de las Lajas, Mayabeque 32700, Cuba; (B.C.-G.); (P.A.); (R.M.-P.); (L.R.-A.); (E.L.-R.)
| | - Alina Rodríguez-Mallón
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, Avenue 31 between 158 and 190, P.O. Box 6162, Havana 10600, Cuba;
| | - Islay Rodríguez Gonzalez
- Department of Mycology-Bacteriology, Institute of Tropical Medicine Pedro Kourí, Apartado Postal 601, Marianao 13, Havana 17100, Cuba; (I.R.G.); (A.A.N.R.)
| | - Pastor Alfonso
- Direction of Animal Health, National Center for Animal and Plant Health, Carretera de Tapaste y Autopista Nacional, Apartado postal 10, San José de las Lajas, Mayabeque 32700, Cuba; (B.C.-G.); (P.A.); (R.M.-P.); (L.R.-A.); (E.L.-R.)
| | - Angel A. Noda Ramos
- Department of Mycology-Bacteriology, Institute of Tropical Medicine Pedro Kourí, Apartado Postal 601, Marianao 13, Havana 17100, Cuba; (I.R.G.); (A.A.N.R.)
| | - Adrian A. Díaz-Sánchez
- Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, SK S7N 5E2, Canada;
| | - Maylin González Navarrete
- Department of Preventive Veterinary Medicine, Agrarian University of Havana, Carretera Tapaste y Autopista Nacional, Km 23½, Mayabeque 32700, Cuba; (M.G.N.); (E.R.L.)
| | - Rafmary Rodríguez Fernández
- National Laboratory of Parasitology, Ministry of Agriculture, Autopista San Antonio de los Baños, Km 1½, San Antonio de los Baños, Artemisa 38100, Cuba; (R.R.F.); (L.M.M.)
| | - Luis Méndez Mellor
- National Laboratory of Parasitology, Ministry of Agriculture, Autopista San Antonio de los Baños, Km 1½, San Antonio de los Baños, Artemisa 38100, Cuba; (R.R.F.); (L.M.M.)
| | - Helen N. Catanese
- School of Electrical Engineering and Computer Science, Washington State, University, Pullman, WA 99164, USA;
| | - Manuel Peláez
- Direction of Animal Health, Ministry of Agriculture, Ave. Boyeros y Conill, Plaza, Havana 10600, Cuba;
| | - Yousmel Alemán Gainza
- Faculty of Agricultural and Veterinary Sciences, Campus Jaboticabal, Via de Acesso Prof. Paulo Donato Castellane, Jaboticabal, São Paulo 14884-900, Brazil;
| | - Roxana Marrero-Perera
- Direction of Animal Health, National Center for Animal and Plant Health, Carretera de Tapaste y Autopista Nacional, Apartado postal 10, San José de las Lajas, Mayabeque 32700, Cuba; (B.C.-G.); (P.A.); (R.M.-P.); (L.R.-A.); (E.L.-R.)
| | - Lisset Roblejo-Arias
- Direction of Animal Health, National Center for Animal and Plant Health, Carretera de Tapaste y Autopista Nacional, Apartado postal 10, San José de las Lajas, Mayabeque 32700, Cuba; (B.C.-G.); (P.A.); (R.M.-P.); (L.R.-A.); (E.L.-R.)
| | - Evelyn Lobo-Rivero
- Direction of Animal Health, National Center for Animal and Plant Health, Carretera de Tapaste y Autopista Nacional, Apartado postal 10, San José de las Lajas, Mayabeque 32700, Cuba; (B.C.-G.); (P.A.); (R.M.-P.); (L.R.-A.); (E.L.-R.)
| | - Claudia B. Silva
- Department of Animal Parasitology, Federal Rural University of Rio de Janeiro (UFRRJ), BR 465, Km 7, Seropedica, RJ 23890000, Brazil;
| | - Adivaldo H. Fonseca
- Department of Epidemiology and Public Health, Federal Rural University of Rio de Janeiro (UFRRJ), BR 465, Km 7, Seropedica, RJ 23890000, Brazil;
| | - Eugenio Roque López
- Department of Preventive Veterinary Medicine, Agrarian University of Havana, Carretera Tapaste y Autopista Nacional, Km 23½, Mayabeque 32700, Cuba; (M.G.N.); (E.R.L.)
| | - Alejandro Cabezas-Cruz
- UMR BIPAR, INRAE, ANSES, Ecole Nationale Vétérinaire d’Alfort, Université Paris-Est, 94700 Maisons-Alfort, France
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24
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Rodríguez Mallón A, Javier González L, Encinosa Guzmán PE, Bechara GH, Sanches GS, Pousa S, Cabrera G, Cabrales A, Garay H, Mejías R, López Álvarez JR, Bello Soto Y, Almeida F, Guirola O, Rodríguez Fernández R, Fuentes Castillo A, Méndez L, Jiménez S, Licea-Navarro A, Portela M, Durán R, Estrada MP. Functional and Mass Spectrometric Evaluation of an Anti-Tick Antigen Based on the P0 Peptide Conjugated to Bm86 Protein. Pathogens 2020; 9:pathogens9060513. [PMID: 32630414 PMCID: PMC7350365 DOI: 10.3390/pathogens9060513] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 06/20/2020] [Accepted: 06/21/2020] [Indexed: 11/16/2022] Open
Abstract
A synthetic 20 amino acid peptide of the ribosomal protein P0 from ticks, when conjugated to keyhole limpet hemocyanin from Megathura crenulata and used as an immunogen against Rhipicephalus microplus and Rhipicephalus sanguineus s.l. species, has shown efficacies of around 90%. There is also experimental evidence of a high efficacy of this conjugate against Amblyomma mixtum and Ixodes ricinus species, which suggest that this antigen could be a good broad-spectrum anti-tick vaccine candidate. In this study, the P0 peptide (pP0) was chemically conjugated to Bm86 as a carrier protein. SDS-PAGE analysis of this conjugate demonstrated that it is highly heterogeneous in size, carrying from 1 to 18 molecules of pP0 per molecule of Bm86. Forty-nine out of the 54 lysine residues and the N-terminal end of Bm86 were found partially linked to pP0 by using LC-MS/MS analysis and the combination of four different softwares. Several post-translational modifications of Bm86 protein were also identified by mass spectrometry. High immunogenicity and efficacy were achieved when dogs and cattle were vaccinated with the pP0-Bm86 conjugate and challenged with R. sanguineus s.l. and R. microplus, respectively. These results encourage the development of this antigen with promising possibilities as an anti-tick vaccine.
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Affiliation(s)
- Alina Rodríguez Mallón
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology (CIGB), Havana 10600, Cuba; (P.E.E.G.); (Y.B.S.); (M.P.E.)
- Correspondence: ; Tel.: +53-72504407
| | - Luis Javier González
- Mass Spectrometry Laboratory and GlycoLab, Department of Proteomics, CIGB, Havana 10600, Cuba; (L.J.G.); (S.P.); (G.C.); (F.A.)
| | - Pedro Enrique Encinosa Guzmán
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology (CIGB), Havana 10600, Cuba; (P.E.E.G.); (Y.B.S.); (M.P.E.)
| | - Gervasio Henrique Bechara
- Programa de Pós-graduação em Ciência Animal, Pontifícia Universidade Católica do Paraná (PUCPR), Paraná 80215-901, Brazil; (G.H.B.); (G.S.S.)
- Departamento de Patologia Veterinária, Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista (FCAV-UNESP), São Paulo 14884-900, Brazil
| | - Gustavo Seron Sanches
- Programa de Pós-graduação em Ciência Animal, Pontifícia Universidade Católica do Paraná (PUCPR), Paraná 80215-901, Brazil; (G.H.B.); (G.S.S.)
- Departamento de Patologia Veterinária, Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista (FCAV-UNESP), São Paulo 14884-900, Brazil
| | - Satomy Pousa
- Mass Spectrometry Laboratory and GlycoLab, Department of Proteomics, CIGB, Havana 10600, Cuba; (L.J.G.); (S.P.); (G.C.); (F.A.)
| | - Gleysin Cabrera
- Mass Spectrometry Laboratory and GlycoLab, Department of Proteomics, CIGB, Havana 10600, Cuba; (L.J.G.); (S.P.); (G.C.); (F.A.)
| | - Ania Cabrales
- Synthetic Peptides Group, CIGB, Havana 10600, Cuba; (A.C.); (H.G.)
| | - Hilda Garay
- Synthetic Peptides Group, CIGB, Havana 10600, Cuba; (A.C.); (H.G.)
| | - Raúl Mejías
- Instituto de Ciencia Animal (ICA), San José de las Lajas 32700, Cuba; (R.M.); (J.R.L.Á.)
| | | | - Yamil Bello Soto
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology (CIGB), Havana 10600, Cuba; (P.E.E.G.); (Y.B.S.); (M.P.E.)
| | - Fabiola Almeida
- Mass Spectrometry Laboratory and GlycoLab, Department of Proteomics, CIGB, Havana 10600, Cuba; (L.J.G.); (S.P.); (G.C.); (F.A.)
| | | | | | - Alier Fuentes Castillo
- National Laboratory for Parasitology, San Antonio de los Banos 32500, Cuba; (R.R.F.); (A.F.C.); (L.M.)
| | - Luis Méndez
- National Laboratory for Parasitology, San Antonio de los Banos 32500, Cuba; (R.R.F.); (A.F.C.); (L.M.)
| | - Samanta Jiménez
- Departamento de Innovación Biomédica, CICESE, Ensenada 22860, Mexico; (S.J.); (A.L.-N.)
| | - Alexei Licea-Navarro
- Departamento de Innovación Biomédica, CICESE, Ensenada 22860, Mexico; (S.J.); (A.L.-N.)
| | - Madelón Portela
- Unidad de Bioquímica y Proteómica Analítica, Institut Pasteur de Montevideo, Montevideo 11400, Uruguay; (M.P.); (R.D.)
- Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), Montevideo 11600, Uruguay
| | - Rosario Durán
- Unidad de Bioquímica y Proteómica Analítica, Institut Pasteur de Montevideo, Montevideo 11400, Uruguay; (M.P.); (R.D.)
- Instituto de Investigaciones Biológicas Clemente Estable (IIBCE), Montevideo 11600, Uruguay
| | - Mario Pablo Estrada
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology (CIGB), Havana 10600, Cuba; (P.E.E.G.); (Y.B.S.); (M.P.E.)
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25
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Rodríguez-Mallon A, Encinosa Guzmán PE, Bello Soto Y, Rosales Perdomo K, Montero Espinosa C, Vargas M, Estrada García MP. A chemical conjugate of the tick P0 peptide is efficacious against Amblyomma mixtum. Transbound Emerg Dis 2020; 67 Suppl 2:175-177. [PMID: 31975511 DOI: 10.1111/tbed.13455] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 12/06/2019] [Accepted: 12/12/2019] [Indexed: 11/29/2022]
Abstract
After Rhipicephalus microplus, the most important tick species affecting livestock industry in Cuba belong to the Amblyomma genus. There are few reports of effective vaccine antigens for these species. Recently, vaccination and challenge trials using a peptide from the P0 acidic ribosomal protein of R. microplus ticks (pP0) as antigen have shown an efficacy around 90% against tick species from the Rhipicephalus genus. Given the high degree of sequence conservation among tick species, pP0 could be an antigen of versatile use in anti-tick vaccine formulations. In this paper, seven rabbits were immunized with a chemical conjugate of pP0 to keyhole limpet haemocyanin. Rabbits were challenged with an average of 1,900 Amblyomma mixtum larvae from a Cuban tick strain. The average number of recovered fed larvae and the viability of larvae in the moulting process were significantly lower in vaccinated animals compared with the control group. The overall vaccine efficacy of the P0 peptide antigen is 54% according to the calculated parameters.
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Affiliation(s)
- Alina Rodríguez-Mallon
- Department of Animal Biotechnology, Center for Genetic Engineering and Biotechnology (CIGB), Havana, Cuba
| | - Pedro E Encinosa Guzmán
- Department of Animal Biotechnology, Center for Genetic Engineering and Biotechnology (CIGB), Havana, Cuba
| | - Yamil Bello Soto
- Department of Animal Biotechnology, Center for Genetic Engineering and Biotechnology (CIGB), Havana, Cuba
| | - Karen Rosales Perdomo
- Department of Animal Biotechnology, Center for Genetic Engineering and Biotechnology (CIGB), Havana, Cuba
| | - Carlos Montero Espinosa
- Department of Animal Biotechnology, Center for Genetic Engineering and Biotechnology (CIGB), Havana, Cuba
| | - Milagros Vargas
- Department of Animal Biotechnology, Center for Genetic Engineering and Biotechnology (CIGB), Havana, Cuba
| | - Mario Pablo Estrada García
- Department of Animal Biotechnology, Center for Genetic Engineering and Biotechnology (CIGB), Havana, Cuba
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26
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Hassan IA, Wang Y, Zhou Y, Cao J, Zhang H, Zhou J. Cross protection induced by combined Subolesin-based DNA and protein immunizations against adult Haemaphysalis longicornis. Vaccine 2019; 38:907-915. [PMID: 31699505 DOI: 10.1016/j.vaccine.2019.10.076] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 10/20/2019] [Accepted: 10/25/2019] [Indexed: 01/31/2023]
Abstract
Vaccination against ticks is an environmentally friendly alternative control method compared to chemical acaricide applications. Subolesin is a conserved protein in ticks, which can provide protection against some tick species. In this study, we evaluated the capacity of cocktail vaccination with Subolesin and ribosomal acidic protein 0 (P0) peptide against adults of Haemaphysalis longicornis. Priming with DNA vaccine expressing subolesin, followed by boosters of a single antigen (rRhSub) or a chimeric polypeptide (rRhSub/P0), provided cross protection. This treatment resulted in significant mortality, reduced blood ingestion and reduced reproduction in H. longicornis adults. Vaccination efficacies of 79.3% and 86.6% are reported in groups supplemented with rRhSub and rRhSub/P0, respectively. Conserved antigens, such as subolesin, formulated as DNA vaccine and enhanced with chimeric polypeptides, could be used as an anti-tick vaccine application, especially for control of infestation involving several tick species.
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Affiliation(s)
- Ibrahim A Hassan
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Yanan Wang
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Yongzhi Zhou
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Jie Cao
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Houshuang Zhang
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Jinlin Zhou
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China.
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Pérez-Sánchez R, Manzano-Román R, Obolo-Mvoulouga P, Oleaga A. In silico selection of functionally important proteins from the mialome of Ornithodoros erraticus ticks and assessment of their protective efficacy as vaccine targets. Parasit Vectors 2019; 12:508. [PMID: 31666116 PMCID: PMC6822432 DOI: 10.1186/s13071-019-3768-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 10/23/2019] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND New candidate protective antigens for tick vaccine development may be identified by selecting and testing antigen candidates that play key biological functions. After blood-feeding, tick midgut overexpresses proteins that play essential functions in tick survival and disease transmission. Herein, Ornithodoros erraticus midgut transcriptomic and proteomic data were examined in order to select functionally significant antigens upregulated after feeding to be tested as vaccine candidate antigens. METHODS Transcripts annotated as chitinases, tetraspanins, ribosomal protein P0 and secreted proteins/peptides were mined from the recently published O. erraticus midgut transcriptome and filtered in a second selection step using criteria based on upregulation after feeding, predicted antigenicity and expression in the midgut proteome. Five theoretical candidate antigens were selected, obtained as recombinant proteins and used to immunise rabbits: one chitinase (CHI), two tetraspanins (TSPs), the ribosomal protein P0 (RPP0) and one secreted protein PK-4 (PK4). RESULTS Rabbit vaccination with individual recombinant candidates induced strong humoral responses that mainly reduced nymph moulting and female reproduction, providing 30.2% (CHI), 56% (TSPs), 57.5% (RPP0) and 57.8% (PK4) protection to O. erraticus infestations and 19.6% (CHI), 11.1% (TSPs), 0% (RPP0) and 8.1% (PK4) cross-protection to infestations by the African tick Ornithodoros moubata. The joint vaccine efficacy of the candidates was assessed in a second vaccine trial reaching 66.3% protection to O. erraticus and 25.6% cross-protection to O. moubata. CONCLUSIONS These results (i) indicate that argasid chitinases and RPP0 are promising protective antigens, as has already been demonstrated for ixodid chitinases and RPP0, and could be included in vaccines targeting multiple tick species; (ii) reveal novel protective antigens tetraspanins and secreted protein PK-4, never tested before as protective antigens in ticks; and (iii) demonstrate that multi-antigenic vaccines increased vaccine efficacy compared with individual antigens. Lastly, our data emphasize the value of the tick midgut as a source of protective candidate antigens in argasids for tick control.
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Affiliation(s)
- Ricardo Pérez-Sánchez
- Parasitología Animal, Instituto de Recursos Naturales y Agrobiología de Salamanca (IRNASA, CSIC), Cordel de Merinas, 40-52, 37008, Salamanca, Spain.
| | - Raúl Manzano-Román
- Parasitología Animal, Instituto de Recursos Naturales y Agrobiología de Salamanca (IRNASA, CSIC), Cordel de Merinas, 40-52, 37008, Salamanca, Spain.,Proteomics Unit, Cancer Research Centre (IBMCC/CSIC/USAL/IBSAL), 37007, Salamanca, Spain
| | - Prosper Obolo-Mvoulouga
- Parasitología Animal, Instituto de Recursos Naturales y Agrobiología de Salamanca (IRNASA, CSIC), Cordel de Merinas, 40-52, 37008, Salamanca, Spain
| | - Ana Oleaga
- Parasitología Animal, Instituto de Recursos Naturales y Agrobiología de Salamanca (IRNASA, CSIC), Cordel de Merinas, 40-52, 37008, Salamanca, Spain
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Leal Y, Velazquez J, Hernandez L, Swain JK, Rodríguez AR, Martínez R, García C, Ramos Y, Estrada MP, Carpio Y. Promiscuous T cell epitopes boosts specific IgM immune response against a P0 peptide antigen from sea lice in different teleost species. FISH & SHELLFISH IMMUNOLOGY 2019; 92:322-330. [PMID: 31200071 DOI: 10.1016/j.fsi.2019.06.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 06/07/2019] [Accepted: 06/10/2019] [Indexed: 06/09/2023]
Abstract
The development of vaccines employing conserved protein antigens, for instance ribosomal protein P0, has as disadvantage the high degree of identity between pathogen and host proteins due to possible induction of tolerance or auto antibodies in the host organism. To overcome this drawback, peptide-based vaccines have been designed with a proved high efficacy. The use of defined peptides as antigens has the problem that they are generally poor immunogenic unless coupled to a carrier protein. Several studies have established the potential for promiscuous T cell epitopes incorporated into chimeric peptides to enhance the immunogenicity in mammals. On the contrary, studies about the role of these epitopes on teleost immune system are scarce. Therefore, the main objective of our present study was to evaluate the potential of promiscuous T cell epitopes to boost specific IgM immune response in teleost fish against a peptide antigen. With this aim, we used a peptide of 35 amino acids from the ribosomal P0 protein of Lepeophtheirus salmonis, an important parasite in salmon aquaculture. We fused this peptide to the C-terminal of T cell epitopes from tetanus toxin and measles virus and produced the chimeric protein in Escherichia coli. Following vaccination, IgM antibody production was monitored in different immunization schemes in Tilapia, African catfish and Atlantic salmon. The results demonstrated for first time that the addition of T cell epitopes at the N-terminal of a target peptide increased IgM specific response in different teleost species, revealing the potential of this approach to develop peptide-based vaccines for aquaculture. The results are also of great importance in the context of vaccine development against sea lice using ribosomal protein P0 as antigen taking into account the key role of P0 in protein synthesis and other essential physiological processes.
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Affiliation(s)
- Yeny Leal
- Animal Biotechnology Division, Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Janet Velazquez
- Animal Biotechnology Division, Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Liz Hernandez
- Animal Biotechnology Division, Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Jaya Kumari Swain
- NOFIMA, Tromso, Norway; Fish Immunology and Vaccinology Research Group, Norwegian College of Fishery Science, UiT the Arctic University of Norway, Tromso, Norway
| | | | - Rebeca Martínez
- Animal Biotechnology Division, Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Claudia García
- Animal Biotechnology Division, Center for Genetic Engineering and Biotechnology, Havana, Cuba
| | - Yassel Ramos
- Physico-Chemistry Department, CIGB, Havana, Cuba
| | - Mario Pablo Estrada
- Animal Biotechnology Division, Center for Genetic Engineering and Biotechnology, Havana, Cuba.
| | - Yamila Carpio
- Animal Biotechnology Division, Center for Genetic Engineering and Biotechnology, Havana, Cuba.
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29
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Toaleb NI, Gabr HSM, Abd El-Shafy S, Abdel-Rahman EH. Evaluation of vaccine candidates purified from the adult ticks of Ornithodoros savignyi (Acari: Argasidae) and Hyalomma dromedarii (Acari: Ixodidae) against tick infestations. J Parasit Dis 2019; 43:246-255. [PMID: 31263330 PMCID: PMC6570741 DOI: 10.1007/s12639-018-01082-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 12/31/2018] [Indexed: 12/15/2022] Open
Abstract
Ticks cause anemia, toxicosis, growth delay, and transmit infectious diseases in animals and humans. The current study aimed to evaluate the immunoprophylactic properties of two vaccine candidates to develop vaccine against tick infestations. These two vaccine candidates were specific fraction from the adults of the soft tick Ornithodoros savignyi and cross-reactive fraction from the adults of the hard tick Hyalomma dromedarii. Both specific and cross-reactive fractions were isolated by Cyanogen Bromide-activated Sepharose-4B affinity column chromatography. Both candidates proved their cross-reactivity by enzyme linked immunosorbent assay and Western blot. Characterization of the two vaccines by SDS-PAGE showed that the O. savignyi specific fraction consists of four bands; 97, 85, 66 and 11.5 kDa compared with nine bands associated with its crude antigen (196-11.5 kDa). The H. dromedarii cross-reactive vaccine candidate consists of three bands; 97, 66 and 45 kDa compared to eight bands of its crude antigen (196-21 kDa). Two common bands of 97 and 66 kDa between two candidates showed immunogenic cross-reactivity with the developed antisera of both infestations by Western blot. Immunization of rabbits intramuscularly with two doses of the fractions separately (40 µg/kg) led to immunological and parasitological changes. Immunologically; the level of immunoglobulins in vaccinated rabbits increased significantly compared with control infested non-vaccinated rabbits. These immunoglobulins are probably responsible for the protective effect of both candidates. Parasitologically, immunized rabbits showed protection against infestation by adult ticks as proved by significant feeding rejection percentage and significant reduction in egg and engorgement weights of H. dromedarii. While insignificant protection was observed against O. savignyi ticks infestation in feeding rejection and reduction in engorgement weight. In conclusion, this study suggests promising immunoprophylactic potentials of the purified fractions against tick infestations in rabbits through induction of IgG responses. The protective effect of both vaccine candidates deserves further evaluation in other hosts and against other tick infestations.
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Affiliation(s)
- Nagwa I. Toaleb
- Department of Parasitology and Animal Diseases, Veterinary Research Division, National Research Centre, Dokki, Giza, Egypt
| | - Hanan S. M. Gabr
- Department of Zoology and Agricultural Nematology, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - Sobhy Abd El-Shafy
- Department of Parasitology and Animal Diseases, Veterinary Research Division, National Research Centre, Dokki, Giza, Egypt
| | - Eman H. Abdel-Rahman
- Department of Parasitology and Animal Diseases, Veterinary Research Division, National Research Centre, Dokki, Giza, Egypt
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30
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CYTED Network to develop an immunogen compatible with integrated management strategies for tick control in cattle. Vaccine 2018; 36:6581-6586. [PMID: 30293766 DOI: 10.1016/j.vaccine.2018.09.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 09/23/2018] [Accepted: 09/26/2018] [Indexed: 11/22/2022]
Abstract
INCOGARR is a thematic network recently approved to be financially supported by the Ibero-American Program of Science and Technology for Development (CYTED). The objectives of this Network are the design and evaluation of an efficient and feasible anti-tick vaccine candidate from the technical and economical points of view and also sharing experiences in the immunological control of ticks as part of an Integrated Control Program. The Network consists of seven laboratories and one company from six countries. The first meeting of the Network took place with the representation of each laboratory involved. In the meeting, general and specific objectives and activities of the Network were discussed and it was a very nice example of international collaboration to address an unsolved worldwide topic on tick control in which laboratories with different competencies and expertise join their efforts in a common goal.
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31
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Stutzer C, Richards SA, Ferreira M, Baron S, Maritz-Olivier C. Metazoan Parasite Vaccines: Present Status and Future Prospects. Front Cell Infect Microbiol 2018; 8:67. [PMID: 29594064 PMCID: PMC5859119 DOI: 10.3389/fcimb.2018.00067] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 02/26/2018] [Indexed: 12/21/2022] Open
Abstract
Eukaryotic parasites and pathogens continue to cause some of the most detrimental and difficult to treat diseases (or disease states) in both humans and animals, while also continuously expanding into non-endemic countries. Combined with the ever growing number of reports on drug-resistance and the lack of effective treatment programs for many metazoan diseases, the impact that these organisms will have on quality of life remain a global challenge. Vaccination as an effective prophylactic treatment has been demonstrated for well over 200 years for bacterial and viral diseases. From the earliest variolation procedures to the cutting edge technologies employed today, many protective preparations have been successfully developed for use in both medical and veterinary applications. In spite of the successes of these applications in the discovery of subunit vaccines against prokaryotic pathogens, not many targets have been successfully developed into vaccines directed against metazoan parasites. With the current increase in -omics technologies and metadata for eukaryotic parasites, target discovery for vaccine development can be expedited. However, a good understanding of the host/vector/pathogen interface is needed to understand the underlying biological, biochemical and immunological components that will confer a protective response in the host animal. Therefore, systems biology is rapidly coming of age in the pursuit of effective parasite vaccines. Despite the difficulties, a number of approaches have been developed and applied to parasitic helminths and arthropods. This review will focus on key aspects of vaccine development that require attention in the battle against these metazoan parasites, as well as successes in the field of vaccine development for helminthiases and ectoparasites. Lastly, we propose future direction of applying successes in pursuit of next generation vaccines.
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Affiliation(s)
- Christian Stutzer
- Tick Vaccine Group, Department of Genetics, University of Pretoria, Pretoria, South Africa
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32
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Zhang Y, Cui J, Zhou Y, Cao J, Gong H, Zhang H, Zhou J. Liposome mediated double-stranded RNA delivery to silence ribosomal protein P0 in the tick Rhipicephalus haemaphysaloides. Ticks Tick Borne Dis 2018; 9:638-644. [PMID: 29444753 PMCID: PMC5866483 DOI: 10.1016/j.ttbdis.2018.01.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Revised: 12/24/2017] [Accepted: 01/24/2018] [Indexed: 12/29/2022]
Abstract
Control of ticks has been achieved primarily by the application of acaricides, which has drawbacks such as environmental contamination leading to the selection of pesticide-resistant ticks. The potential of dsRNA to suppress genes critical for tick survival due to its sequence specificity suggests that dsRNAs could be developed as tailor-made pesticides. In this study, the dsRNA of P0 gene from the tick, Rhipicephalus haemaphysaloides, was evaluated as a potential anti-tick agent. Effects of using different dsRNA delivery methods were tested by quantitative RT-PCR and tick bioassays to determine survival, feeding and reproduction. The results showed that P0 dsRNAs could be effectively delivered into ticks and silenced by incubating with liposomes. Incubation time was found to be the most important factor in dsRNA delivery and gene silencing compared with liposome types and dsRNA concentration. The effects of P0 dsRNA treatment on ticks were found to be significant on blood feeding, molting or reproduction. These data show that anti-tick agents based on dsRNAs could have potential use in tick control.
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Affiliation(s)
- Yuting Zhang
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Jie Cui
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Yongzhi Zhou
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Jie Cao
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Haiyan Gong
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Houshuang Zhang
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
| | - Jinlin Zhou
- Key Laboratory of Animal Parasitology of Ministry of Agriculture, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China.
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33
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Tirloni L, Kim TK, Pinto AFM, Yates JR, da Silva Vaz I, Mulenga A. Tick-Host Range Adaptation: Changes in Protein Profiles in Unfed Adult Ixodes scapularis and Amblyomma americanum Saliva Stimulated to Feed on Different Hosts. Front Cell Infect Microbiol 2017; 7:517. [PMID: 29312895 PMCID: PMC5742094 DOI: 10.3389/fcimb.2017.00517] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 12/04/2017] [Indexed: 01/21/2023] Open
Abstract
Understanding the molecular basis of how ticks adapt to feed on different animal hosts is central to understanding tick and tick-borne disease (TBD) epidemiology. There is evidence that ticks differentially express specific sets of genes when stimulated to start feeding. This study was initiated to investigate if ticks such as Ixodes scapularis and Amblyomma americanum that are adapted to feed on multiple hosts utilized the same sets of proteins to prepare for feeding. We exposed I. scapularis and A. americanum to feeding stimuli of different hosts (rabbit, human, and dog) by keeping unfed adult ticks enclosed in a perforated microfuge in close contact with host skin, but not allowing ticks to attach on host. Our data suggest that ticks of the same species differentially express tick saliva proteins (TSPs) when stimulated to start feeding on different hosts. SDS-PAGE and silver staining analysis revealed unique electrophoretic profiles in saliva of I. scapularis and A. americanum that were stimulated to feed on different hosts: rabbit, human, and dog. LC-MS/MS sequencing and pairwise analysis demonstrated that I. scapularis and A. americanum ticks expressed unique protein profiles in their saliva when stimulated to start feeding on different hosts: rabbit, dog, or human. Specifically, our data revealed TSPs that were unique to each treatment and those that were shared between treatments. Overall, we identified a total of 276 and 340 non-redundant I. scapularis and A. americanum TSPs, which we have classified into 28 functional classes including: secreted conserved proteins (unknown functions), proteinase inhibitors, lipocalins, extracellular matrix/cell adhesion, heme/iron metabolism, signal transduction and immunity-related proteins being the most predominant in saliva of unfed ticks. With exception of research on vaccines against Rhipicephalus microplus, which its natural host, cattle, research on vaccine against other ticks relies feeding ticks on laboratory animals. Data here suggest that relying on lab animal tick feeding data to select target antigens could result in prioritizing irrelevant anti-tick vaccine targets that are expressed when ticks feed on laboratory animals. This study provides the platform that could be utilized to identify relevant target anti-tick vaccine antigens, and will facilitate early stage tick feeding research.
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Affiliation(s)
- Lucas Tirloni
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX, United States.,Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Tae K Kim
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX, United States
| | - Antônio F M Pinto
- Mass Spectrometry Center, The Salk Institute for Biological Studies, La Jolla, CA, United States.,Department of Chemical Physiology, The Scripps Research Institute, La Jolla, CA, United States
| | - John R Yates
- Department of Chemical Physiology, The Scripps Research Institute, La Jolla, CA, United States
| | - Itabajara da Silva Vaz
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Albert Mulenga
- Department of Veterinary Pathobiology, College of Veterinary Medicine, Texas A&M University, College Station, TX, United States
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Martínez R, Hernández L, Gil L, Carpio Y, Morales A, Herrera F, Rodríguez-Mallón A, Leal Y, Blanco A, Estrada MP. Growth hormone releasing peptide-6 enhanced antibody titers against subunit antigens in mice (BALB/c), tilapia ( Oreochromis niloticus ) and African catfish ( Clarias gariepinus ). Vaccine 2017; 35:5722-5728. [DOI: 10.1016/j.vaccine.2017.07.060] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 06/20/2017] [Accepted: 07/18/2017] [Indexed: 02/05/2023]
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35
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Kar B, Mohapatra A, Mohanty J, Sahoo PK. Evaluation of ribosomal P0 peptide as a vaccine candidate against Argulus siamensis in Labeo rohita. Open Life Sci 2017. [DOI: 10.1515/biol-2017-0011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
AbstractArgulusspp. are important ectoparasites of fish, and the current approach of their control using chemical pesticides has numerous drawbacks. Vaccination is a promising alternative but identification of protective antigens is a limiting step. The ribosomal protein P0, essential for protein synthesis, has been studied as a vaccine candidate. We generated sequence information of the P0 protein of the ectoparasiteArgulus siamensisand the hostLabeo rohita. The region of the parasite P0 protein with less sequence similarity with that of the host P0 protein and high predicted antigenicity was used for peptide synthesis. The peptide was conjugated with keyhole limpet hemocyanin (KLH) for immunization of rohu at a dose of 1.5 μg/g body weight. Dot blot assays confirmed production of antibodies against pP0-KLH in immunized fish. We evaluated the efficiency of pP0-KLH as a vaccine antigen by challenge of the immunized fish withA.siamensis. Although there was no significant difference in parasite load between both groups, a reduced and delayed mortality of 59% (15 days post-infection) in immunized group was noticed as compared to 75% mortality (within 7–15 days post-infection) in control group. The partial protection observed indicated the need for further optimization of this molecule to develop it into a vaccine candidate.
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Affiliation(s)
- Banya Kar
- Fish Health Management Division, ICAR-Central Institute of Freshwater Aquaculture, Kausalyaganga, Bhubaneswar-751 002, Odisha, India
| | - Amruta Mohapatra
- Fish Health Management Division, ICAR-Central Institute of Freshwater Aquaculture, Kausalyaganga, Bhubaneswar-751 002, Odisha, India
| | - Jyotirmaya Mohanty
- Fish Genetics and Biotechnology Division, ICAR-Central Institute of Freshwater Aquaculture, Kausalyaganga, Bhubaneswar-751 002, Odisha, India
| | - Pramoda Kumar Sahoo
- Fish Health Management Division, ICAR-Central Institute of Freshwater Aquaculture, Kausalyaganga, Bhubaneswar-751 002, Odisha, India
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Évora PM, Sanches GS, Guerrero FD, León APD, Bechara GH. Immunogenic potential of Rhipicephalus (Boophilus) microplus aquaporin 1 against Rhipicephalus sanguineus in domestic dogs. REVISTA BRASILEIRA DE PARASITOLOGIA VETERINARIA 2017; 26:60-66. [DOI: 10.1590/s1984-29612017005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 01/17/2017] [Indexed: 01/18/2023]
Abstract
Abstract This study evaluated a recombinant aquaporin 1 protein of Rhipicephalus (Boophilus) microplus (RmAQP1) as antigen in a vaccine against R. sanguineus. Five dogs were immunized with RmAQP1 (10 µg) + adjuvant (Montanide) (G1), and five were inoculated with adjuvant only (G2), three times. Twenty-one days after the last immunization, animals of both groups were challenged with R. sanguineus larvae, nymphs and adults, and their biotic potential was compared. Blood samples were collected before each immunization and every 28 days after the last immunization for 10 weeks. Serum antibody titers (IgG) were assessed by ELISA. We observed that: engorgement period of adult females from G1 was 12% shorter than G2; larvae from G1 had 8.7% longer engorgement period than G2 and weighed 7.2% less; nymphs from G1 had 4.5% shorter engorgement period than G2 and weighed 3.6% less; although the antibody titers increased following the second immunization, they rapidly decreased after the third immunization. Results indicated low immunoprotection of RmAQP1 against adult R. sanguineus ticks, and possible efficacy on larvae and nymphs fed on immunized dogs. Further studies should be performed for a full evaluation of the immunoprotection of RmAQP1 against R. sanguineus infestations in dogs.
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de Oliveira Filho JG, Sarria ALF, Ferreira LL, Caulfield JC, Powers SJ, Pickett JA, de León AAP, Birkett MA, Borges LMF. Quantification of brown dog tick repellents, 2-hexanone and benzaldehyde, and release from tick-resistant beagles, Canis lupus familiaris. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1022:64-69. [DOI: 10.1016/j.jchromb.2016.03.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 03/11/2016] [Accepted: 03/15/2016] [Indexed: 10/22/2022]
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38
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Aguirre ADAR, Lobo FP, Cunha RC, Garcia MV, Andreotti R. Design of the ATAQ peptide and its evaluation as an immunogen to develop a Rhipicephalus vaccine. Vet Parasitol 2016; 221:30-8. [PMID: 27084468 DOI: 10.1016/j.vetpar.2016.02.032] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2015] [Revised: 02/21/2016] [Accepted: 02/27/2016] [Indexed: 11/26/2022]
Abstract
Tick infestation may cause several problems including affecting domestic animal health and reducing the production of meat and milk, among others. Resistance to several classes of acaricides have been reported, forcing researchers to search for alternative measures, such as vaccines against ticks, to ensure tick control while having no or at least low negative impacts on the environment and public health. However, the current commercially available vaccines in different strains of Rhipicephalus microplus are reported to be of low efficacy. Fortunately, reverse vaccinology approaches have shown positive results in the new generation of vaccines. On this basis, a synthetic peptide from the ATAQ protein, which is present in the gut and Malpighi tubes of R. microplus, was synthesized. The ATAQ proteins were isolated, characterized and sequenced from several species of the genus Rhipicephalus. The alignment showed 93.3% identity among DNA sequences of ATAQs from these species. Because of this, immunization trials with this peptide were conducted on mice, rabbits and cattle to evaluate the humoral immune response and the efficacy against Rhipicephalus sanguineus in addition to R. microplus. Based on recent results, we conclude that reverse vaccinology is a promising approach because it is more accurate and faster than conventional methods in the detection of potential antigens to use in anti-tick vaccines. It is not only applicable against R. microplus but also against tick species that play important roles in spreading other diseases. ATAQ proteins should be considered as the antigen in new trials to develop a multi-antigenic vaccine. Although these peptides behave as hapten and are not able to be recognized by the immune system on its own, using carriers and adjuvants helps its presentation and induces strong immune responses. Furthermore, an efficiency of 35% reduction in overall life cycle parameters was reported for R. microplus (98% for ELISA responder animals) and 47% for R. sanguineus. Although not yet enough to prevent the environment to infestation of ticks, this still constitutes a promising strategy that could be applied to integrated measures on tick control and in new research that develops anti-tick vaccines.
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Affiliation(s)
- André de Abreu Rangel Aguirre
- Programa de Pós-graduação em Ciência Animal, FAMEZ, Universidade Federal de Mato Grosso do Sul, Av. Felinto Müller, No. 2443, Vila Ipiranga, CEP 79074-460 Campo Grande, MS, Brazil; Fundação Oswaldo Cruz, Fiocruz Rondônia, Rua da Beira, No. 7671, Bairro Lagoa, CEP 76812-245 Porto Velho, RO, Brazil.
| | - Francisco Pereira Lobo
- Embrapa Informática Agropecuária, Av. André Tosello, No. 209 Campus Unicamp, Barão Geraldo, CEP 13083-886 Campinas, SP, Brazil
| | - Rodrigo Casquero Cunha
- Programa de Pós-graduação em Ciência Animal, FAMEZ, Universidade Federal de Mato Grosso do Sul, Av. Felinto Müller, No. 2443, Vila Ipiranga, CEP 79074-460 Campo Grande, MS, Brazil; Embrapa Gado de Corte, Av. Rádio Maia, No. 830, Zona Rural, CEP 79106-550 Campo Grande, MS, Brazil
| | - Marcos Valério Garcia
- Embrapa Gado de Corte, Av. Rádio Maia, No. 830, Zona Rural, CEP 79106-550 Campo Grande, MS, Brazil; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Brazil()
| | - Renato Andreotti
- Embrapa Gado de Corte, Av. Rádio Maia, No. 830, Zona Rural, CEP 79106-550 Campo Grande, MS, Brazil
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Abstract
Ticks are responsible for the transmission of viral, bacterial, and protozoal diseases of man and animals and also produce significant economic losses to cattle industry. The use of acaricides constitutes a major component of integrated tick control strategies. However, this is accompanied by the selection of acaricide-resistant ticks and contamination of environment and milk and meat products with drug residues. These issues highlight the need for alternative approaches to control tick infestations and have triggered the search for tick protective antigens for vaccine development. Vaccination as a tick control method has been practiced since the introduction of TickGARD and Gavac that were developed using the midgut glycoprotein Bm86 as antigen. Gavac within integrated tick management systems has proven to reduce the number of acaricidal applications per year that are required to control some strains of R. microplus ticks in different geographical regions. Nevertheless, it has limited or no efficacy against other tick species. These issues have stimulated research for additional tick protective antigens with critical functions in the tick. This chapter presents methodologies for the design and test of molecules as antigens against ticks. Considerations about different methods for the tick control compared to the immunological methods, the desirable characteristics for an anti-tick vaccine and the obstacles encountered for developing this kind of vaccines are discussed. Detailed methodologies for the establishment of a biological model to test new molecules as immunogens against ticks and to perform challenge trials with this model are presented. General considerations in the efficacy calculation for any anti-tick vaccine are also discussed.
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Affiliation(s)
- Alina Rodríguez-Mallon
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, Avenue 31 between 158 and 190, P.O. Box 6162, Havana, 10600, Cuba.
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40
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A review of reverse vaccinology approaches for the development of vaccines against ticks and tick borne diseases. Ticks Tick Borne Dis 2015; 7:573-85. [PMID: 26723274 DOI: 10.1016/j.ttbdis.2015.12.012] [Citation(s) in RCA: 113] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Revised: 11/24/2015] [Accepted: 12/12/2015] [Indexed: 02/07/2023]
Abstract
The field of reverse vaccinology developed as an outcome of the genome sequence revolution. Following the introduction of live vaccinations in the western world by Edward Jenner in 1798 and the coining of the phrase 'vaccine', in 1881 Pasteur developed a rational design for vaccines. Pasteur proposed that in order to make a vaccine that one should 'isolate, inactivate and inject the microorganism' and these basic rules of vaccinology were largely followed for the next 100 years leading to the elimination of several highly infectious diseases. However, new technologies were needed to conquer many pathogens which could not be eliminated using these traditional technologies. Thus increasingly, computers were used to mine genome sequences to rationally design recombinant vaccines. Several vaccines for bacterial and viral diseases (i.e. meningococcus and HIV) have been developed, however the on-going challenge for parasite vaccines has been due to their comparatively larger genomes. Understanding the immune response is important in reverse vaccinology studies as this knowledge will influence how the genome mining is to be conducted. Vaccine candidates for anaplasmosis, cowdriosis, theileriosis, leishmaniasis, malaria, schistosomiasis, and the cattle tick have been identified using reverse vaccinology approaches. Some challenges for parasite vaccine development include the ability to address antigenic variability as well the understanding of the complex interplay between antibody, mucosal and/or T cell immune responses. To understand the complex parasite interactions with the livestock host, there is the limitation where algorithms for epitope mining using the human genome cannot directly be adapted for bovine, for example the prediction of peptide binding to major histocompatibility complex motifs. As the number of genomes for both hosts and parasites increase, the development of new algorithms for pan-genomic mining will continue to impact the future of parasite and ricketsial (and other tick borne pathogens) disease vaccine development.
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41
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Richards SA, Stutzer C, Bosman AM, Maritz-Olivier C. Transmembrane proteins--Mining the cattle tick transcriptome. Ticks Tick Borne Dis 2015; 6:695-710. [PMID: 26096851 DOI: 10.1016/j.ttbdis.2015.06.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Revised: 05/12/2015] [Accepted: 06/08/2015] [Indexed: 11/28/2022]
Abstract
Managing the spread and load of pathogen-transmitting ticks is an important task worldwide. The cattle tick, Rhipicephalus microplus, not only impacts the economy through losses in dairy and meat production, but also raises concerns for human health in regards to the potential of certain transmitted pathogens becoming zoonotic. However, novel strategies to control R. microplus are hindered by lack of understanding tick biology and the discovery of suitable vaccine or acaricide targets. The importance of transmembrane proteins as vaccine targets are well known, as is the case in tick vaccines with Bm86 as antigen. In this study, we describe the localization and functional annotation of 878 putative transmembrane proteins. Thirty proteins could be confirmed in the R. microplus gut using LC-MS/MS analysis and their roles in tick biology are discussed. To the best of our knowledge, 19 targets have not been reported before in any proteomics study in various tick species and the possibility of using the identified proteins as targets for tick control are discussed. Although tissue expression of identified putative proteins through expansive proteomics is necessary, this study demonstrates the possibility of using bioinformatics for the identification of targets for further evaluation in tick control strategies.
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Affiliation(s)
- Sabine A Richards
- Department of Genetics, Faculty of Natural and Agricultural Sciences, University of Pretoria, South Africa
| | - Christian Stutzer
- Department of Genetics, Faculty of Natural and Agricultural Sciences, University of Pretoria, South Africa
| | - Anna-Mari Bosman
- Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, South Africa
| | - Christine Maritz-Olivier
- Department of Genetics, Faculty of Natural and Agricultural Sciences, University of Pretoria, South Africa.
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Becker M, Felsberger A, Frenzel A, Shattuck WMC, Dyer M, Kügler J, Zantow J, Mather TN, Hust M. Application of M13 phage display for identifying immunogenic proteins from tick (Ixodes scapularis) saliva. BMC Biotechnol 2015; 15:43. [PMID: 26024663 PMCID: PMC4449557 DOI: 10.1186/s12896-015-0167-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 05/15/2015] [Indexed: 12/11/2022] Open
Abstract
Background Ticks act as vectors for a large number of different pathogens, perhaps most notably Borrelia burgdorferi, the causative agent of Lyme disease. The most prominent tick vector in the United States is the blacklegged tick, Ixodes scapularis. Tick bites are of special public health concern since there are no vaccines available against most tick-transmitted pathogens. Based on the observation that certain non-natural host animals such as guinea pigs or humans can develop adaptive immune responses to tick bites, anti-tick vaccination is a potential approach to tackle health risks associated with tick bites. Results The aim of this study was to use an oligopeptide phage display strategy to identify immunogenic salivary gland proteins from I. scapularis that are recognized by human immune sera. Oligopeptide libraries were generated from salivary gland mRNA of 18 h fed nymphal I. scapularis. Eight immunogenic oligopeptides were selected using human immune sera. Three selected immunogenic oligopeptides were cloned and produced as recombinant proteins. The immunogenic character of an identified metalloprotease (MP1) was validated with human sera. This enzyme has been described previously and was hypothesized as immunogenic which was confirmed in this study. Interestingly, it also has close homologs in other Ixodes species. Conclusion An immunogenic protein of I. scapularis was identified by oligopeptide phage display. MP1 is a potential candidate for vaccine development.
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Affiliation(s)
- Martin Becker
- Institut für Biochemie, Biotechnologie und Bioinformatik, Technische Universität Braunschweig, Spielmannstr.7, 38106, Braunschweig, Germany. .,University of Rhode Island, URI Center for Vector-Borne Disease, 231 Woodward Hall, 9 East Alumni Avenue, Suite 7, 02881, Kingston, RI, USA. .,Present Address: Max-Planck-Institute for Immunobiology and Epigenetics, Stuebeweg 51, 79108, Freiburg, Germany.
| | - André Felsberger
- Institut für Biochemie, Biotechnologie und Bioinformatik, Technische Universität Braunschweig, Spielmannstr.7, 38106, Braunschweig, Germany. .,Present Address: YUMAB GmbH, Rebenring 33, 38106, Braunschweig, Germany.
| | - André Frenzel
- Institut für Biochemie, Biotechnologie und Bioinformatik, Technische Universität Braunschweig, Spielmannstr.7, 38106, Braunschweig, Germany.
| | - Wendy M C Shattuck
- University of Rhode Island, URI Center for Vector-Borne Disease, 231 Woodward Hall, 9 East Alumni Avenue, Suite 7, 02881, Kingston, RI, USA.
| | - Megan Dyer
- University of Rhode Island, URI Center for Vector-Borne Disease, 231 Woodward Hall, 9 East Alumni Avenue, Suite 7, 02881, Kingston, RI, USA.
| | - Jonas Kügler
- Institut für Biochemie, Biotechnologie und Bioinformatik, Technische Universität Braunschweig, Spielmannstr.7, 38106, Braunschweig, Germany.
| | - Jonas Zantow
- Institut für Biochemie, Biotechnologie und Bioinformatik, Technische Universität Braunschweig, Spielmannstr.7, 38106, Braunschweig, Germany.
| | - Thomas N Mather
- University of Rhode Island, URI Center for Vector-Borne Disease, 231 Woodward Hall, 9 East Alumni Avenue, Suite 7, 02881, Kingston, RI, USA.
| | - Michael Hust
- Institut für Biochemie, Biotechnologie und Bioinformatik, Technische Universität Braunschweig, Spielmannstr.7, 38106, Braunschweig, Germany.
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43
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Formula to evaluate efficacy of vaccines and systemic substances against three-host ticks. Int J Parasitol 2015; 45:357-9. [DOI: 10.1016/j.ijpara.2015.02.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Revised: 02/02/2015] [Accepted: 02/02/2015] [Indexed: 11/21/2022]
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Rodríguez-Mallon A, Encinosa PE, Méndez-Pérez L, Bello Y, Rodríguez Fernández R, Garay H, Cabrales A, Méndez L, Borroto C, Estrada MP. High efficacy of a 20 amino acid peptide of the acidic ribosomal protein P0 against the cattle tick, Rhipicephalus microplus. Ticks Tick Borne Dis 2015; 6:530-7. [PMID: 25958782 DOI: 10.1016/j.ttbdis.2015.04.007] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 04/15/2015] [Accepted: 04/16/2015] [Indexed: 11/16/2022]
Abstract
Current strategies to control cattle ticks use integrated control programs (ICP) that include vaccination. Reduction in the use of chemicals and in the cost of tick control, the delay or elimination of acaricide resistance and the decreasing of environmental pollution are the advantages of using these programs. This integrated program is potentially applicable to all genotypes of chemical resistant ticks. However, the problem here is to improve the efficacy of anti-tick vaccines. The P0 protein is a structural component of the ribosome of all organisms. We have identified an immunogenic region of ribosomal protein P0 from Rhipicephalus spp. ticks that is not very conserved compared to the orthologous protein in their hosts. A synthetic 20 amino acid peptide from this sequence was effective as a vaccine against Rhipicephalus sanguineus infestations in an immunization and challenge experiment using rabbits. In this paper, the same peptide used as vaccine against the cattle tick Rhipicephalus Boophilus microplus shows a significant diminution in the number of engorged females recovered, in the weight of females and the weight of egg masses. The number of eggs hatched was also significantly reduced for the vaccinated group, with an overall effectivity for the antigen pP0 of 96%. These results, together with the conserved sequence of the P0 peptide among ticks, suggest that this antigen could be a good broad spectrum vaccine candidate. It would be expected to be active against many species of ticks and thus has promise in an ICP for effective control of ticks and thereby to improve the efficiency and productivity of the livestock industry.
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Affiliation(s)
- Alina Rodríguez-Mallon
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, 31th Avenue and 190, P.O. Box 6162, Havana 10600, Cuba.
| | - Pedro E Encinosa
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, 31th Avenue and 190, P.O. Box 6162, Havana 10600, Cuba
| | - Lídice Méndez-Pérez
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, 31th Avenue and 190, P.O. Box 6162, Havana 10600, Cuba
| | - Yamil Bello
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, 31th Avenue and 190, P.O. Box 6162, Havana 10600, Cuba
| | - Rafmary Rodríguez Fernández
- Parasitology Department, National Laboratory for Parasitology, Avenue San Antonio-Rincón, Km 1 1/2, Havana, Cuba
| | - Hilda Garay
- Peptide Synthesis Department, Center for Genetic Engineering and Biotechnology, 31th Avenue and 190, P.O. Box 6162, Havana 10600, Cuba
| | - Ania Cabrales
- Peptide Synthesis Department, Center for Genetic Engineering and Biotechnology, 31th Avenue and 190, P.O. Box 6162, Havana 10600, Cuba
| | - Luis Méndez
- Parasitology Department, National Laboratory for Parasitology, Avenue San Antonio-Rincón, Km 1 1/2, Havana, Cuba
| | - Carlos Borroto
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, 31th Avenue and 190, P.O. Box 6162, Havana 10600, Cuba
| | - Mario Pablo Estrada
- Animal Biotechnology Department, Center for Genetic Engineering and Biotechnology, 31th Avenue and 190, P.O. Box 6162, Havana 10600, Cuba
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de la Fuente J, Villar M, Contreras M, Moreno-Cid JA, Merino O, Pérez de la Lastra JM, de la Fuente G, Galindo RC. Prospects for vaccination against the ticks of pets and the potential impact on pathogen transmission. Vet Parasitol 2015; 208:26-9. [DOI: 10.1016/j.vetpar.2014.12.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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46
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Transmission-Blocking Vaccines: Focus on Anti-Vector Vaccines against Tick-Borne Diseases. Arch Immunol Ther Exp (Warsz) 2014; 63:169-79. [PMID: 25503555 PMCID: PMC4429137 DOI: 10.1007/s00005-014-0324-8] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Accepted: 10/15/2014] [Indexed: 01/07/2023]
Abstract
Tick-borne diseases are a potential threat that account for significant morbidity and mortality in human population worldwide. Vaccines are not available to treat several of the tick-borne diseases. With the emergence and resurgence of several tick-borne diseases, emphasis on the development of transmission-blocking vaccines remains increasing. In this review, we provide a snap shot on some of the potential candidates for the development of anti-vector vaccines (a form of transmission-blocking vaccines) against wide range of hard and soft ticks that include Ixodes, Haemaphysalis, Dermacentor, Amblyomma, Rhipicephalus and Ornithodoros species.
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Ali A, Parizi LF, Guizzo MG, Tirloni L, Seixas A, Vaz IDS, Termignoni C. Immunoprotective potential of a Rhipicephalus (Boophilus) microplus metalloprotease. Vet Parasitol 2014; 207:107-14. [PMID: 25480468 DOI: 10.1016/j.vetpar.2014.11.007] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Revised: 10/04/2014] [Accepted: 11/06/2014] [Indexed: 01/13/2023]
Abstract
Ticks have serious impacts on animal and human health, causing significant economic losses in cattle breeding. Besides damage due to the hematophagous behavior, they transmit several pathogens. Low cost and environmental safety have made vaccines a promising alternative control method against tick infestation. Metalloproteases (MPs) have been shown to be essential for diverse biological functions in hematophagous organisms, inhibiting blood clotting, degrading extracellular matrix proteins, and inhibiting host tissue repair via anti-angiogenic activity. In this study, we analyzed the immunoprotective potential of a recombinant MP against Rhipicephalus (Boophilus) microplus infestation. First, a cDNA encoding R. microplus amino acids sequence with highly conserved regions of the metzincin (reprolysin) group of MP was identified (BrRm-MP4). After expression and purification, recombinant BrRm-MP4 was used as a vaccinal antigen against R. microplus infestation in cattle (Bos taurus taurus). All vaccinated bovines developed immune response to the antigen, resulting in increased antibody level throughout the immunization protocol. Immunization with rBrRm-MP4 reduced tick feeding success, decreasing the number of engorged females and their reproduction potential, representing a 60% overall protection. These results show that rBrRm-MP4 provides protection against tick infestation, placing it is a potential candidate for an anti-tick vaccine.
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Affiliation(s)
- Abid Ali
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Prédio 43421, Porto Alegre 91501-970, RS, Brazil; Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos, 2600, Porto Alegre 90035-000, RS, Brazil; Institute of Biotechnology and Genetic Engineering, The University of Agriculture, Peshawar 25130, Khyber Pakhtunkhwa, Pakistan
| | - Luís Fernando Parizi
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Prédio 43421, Porto Alegre 91501-970, RS, Brazil
| | - Melina Garcia Guizzo
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Prédio 43421, Porto Alegre 91501-970, RS, Brazil
| | - Lucas Tirloni
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Prédio 43421, Porto Alegre 91501-970, RS, Brazil
| | - Adriana Seixas
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Prédio 43421, Porto Alegre 91501-970, RS, Brazil; Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre, Rua Sarmento Leite 245, Porto Alegre 90050-170, RS, Brazil
| | - Itabajara da Silva Vaz
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Prédio 43421, Porto Alegre 91501-970, RS, Brazil; Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9090, Porto Alegre 91540-000, RS, Brazil
| | - Carlos Termignoni
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500, Prédio 43421, Porto Alegre 91501-970, RS, Brazil; Departamento de Bioquímica, Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos, 2600, Porto Alegre 90035-000, RS, Brazil.
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48
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Protective immunity against tick infestation in cattle vaccinated with recombinant trypsin inhibitor of Rhipicephalus microplus. Vaccine 2012; 30:6678-85. [DOI: 10.1016/j.vaccine.2012.08.066] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2012] [Revised: 08/01/2012] [Accepted: 08/28/2012] [Indexed: 11/18/2022]
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