dc.contributor.author | Salazar S | |
dc.contributor.author | Starck M.F | |
dc.contributor.author | Villegas M.F | |
dc.contributor.author | Acosta J | |
dc.contributor.author | Sánchez O | |
dc.contributor.author | Ramos E | |
dc.contributor.author | Nova-Lamperti E | |
dc.contributor.author | Toledo J.R | |
dc.contributor.author | Gädicke P | |
dc.contributor.author | Ruiz Á | |
dc.contributor.author | González A | |
dc.contributor.author | Montesino R. | |
dc.date.accessioned | 2024-07-31T21:07:20Z | |
dc.date.available | 2024-07-31T21:07:20Z | |
dc.date.created | 2023 | |
dc.identifier.issn | 2076393X | |
dc.identifier.uri | http://hdl.handle.net/11407/8545 | |
dc.description | Previously, we designed a subunit vaccine candidate based on three L. intracellularis antigens with promising results in pigs. In this study, antigens were produced individually to achieve an even antigen ratio in the formulation. The emulsion characterization included the drop size and the mechanical and thermal stability. Immune response was evaluated by indirect and sandwich ELISAs, qPCR, and flow cytometry. The vaccine candidate’s safety was assessed by histopathology and monitoring the clinical behavior of animals. The average production yielded for the chimeric antigen as inclusion bodies was around 75 mg/L. The formulation showed mechanical and thermal stability, with a ratio Hu/Ho > 0.85 and a drop size under 0.15 nm. Antigens formulated at a ratio of 1:1:1 induced a significant immune response in inoculated pigs that persisted until the end of the experiment (week 14). The dose of 200 μg significantly activated cellular response measured by transcriptional and translational levels of cytokines. The cell proliferation assay revealed an increment of lymphocytes T CD4+ at the same dose. Animals gained weight constantly and showed proper clinical behavior during immunization assays. This research demonstrated the immunological robustness of the new subunit vaccine candidate against Porcine Proliferative Enteropathy evenly formulated with three chimeric antigens of L. intracellularis. © 2023 by the authors. | |
dc.language.iso | eng | |
dc.publisher | Multidisciplinary Digital Publishing Institute (MDPI) | |
dc.relation.isversionof | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85180710391&doi=10.3390%2fvaccines11121817&partnerID=40&md5=3582a02ec0896bb97efdaa209384f1eb | |
dc.source | Vaccines | |
dc.source | Vaccines | |
dc.source | Scopus | |
dc.subject | ISA 660 VG | eng |
dc.subject | Lawsonia intracellularis | eng |
dc.subject | Pig immune response | eng |
dc.subject | Ubunit vaccine | eng |
dc.subject | Water-in-oil formulation | eng |
dc.subject | Cytokine | eng |
dc.subject | DNA 16S | eng |
dc.subject | Epitope | eng |
dc.subject | Gamma interferon | eng |
dc.subject | Gentamicin | eng |
dc.subject | Interleukin 12 | eng |
dc.subject | Interleukin 4 | eng |
dc.subject | Major histocompatibility antigen class 1 | eng |
dc.subject | Recombinant protein | eng |
dc.subject | Subunit vaccine | eng |
dc.subject | Thiomersal | eng |
dc.subject | Animal cell | eng |
dc.subject | Animal experiment | eng |
dc.subject | Animal model | eng |
dc.subject | Antibiotic resistance | eng |
dc.subject | Antibody response | eng |
dc.subject | Antibody titer | eng |
dc.subject | Article | eng |
dc.subject | Bacterial genome | eng |
dc.subject | Bacterium contamination | eng |
dc.subject | Cell inclusion | eng |
dc.subject | Cell proliferation | eng |
dc.subject | Cell proliferation assay | eng |
dc.subject | Cellular immunity | eng |
dc.subject | Chimera | eng |
dc.subject | Controlled study | eng |
dc.subject | DNA replication origin | eng |
dc.subject | Drug formulation | eng |
dc.subject | Emulsion | eng |
dc.subject | Escherichia coli | eng |
dc.subject | Expression vector | eng |
dc.subject | Female | eng |
dc.subject | Flow cytometry | eng |
dc.subject | Gene expression | eng |
dc.subject | Histopathology | eng |
dc.subject | Humoral immunity | eng |
dc.subject | Hybridoma | eng |
dc.subject | Immune response | eng |
dc.subject | Immunization | eng |
dc.subject | Immunogenicity | eng |
dc.subject | Inoculation | eng |
dc.subject | Intestine flora | eng |
dc.subject | Lawsonia intracellularis | eng |
dc.subject | Mouse | eng |
dc.subject | Nonhuman | eng |
dc.subject | Parasitism | eng |
dc.subject | Peripheral blood mononuclear cell | eng |
dc.subject | Porcine epidemic diarrhea virus | eng |
dc.subject | Protein purification | eng |
dc.subject | Real time polymerase chain reaction | eng |
dc.subject | Sandwich ELISA | eng |
dc.subject | Seroconversion | eng |
dc.subject | Spleen cell | eng |
dc.subject | Thermostability | eng |
dc.subject | Vaccination | eng |
dc.subject | Vaccine development | eng |
dc.subject | Virus shedding | eng |
dc.title | New Formulation of a Subunit Vaccine Candidate against Lawsonia intracellularis Increases Humoral and Cellular Immune Responses | eng |
dc.type | article | |
dc.rights.accessrights | info:eu-repo/semantics/restrictedAccess | |
dc.type.spa | Artículo | |
dc.identifier.doi | 10.3390/vaccines11121817 | |
dc.relation.citationvolume | 11 | |
dc.relation.citationissue | 12 | |
dc.publisher.faculty | Facultad de Ciencias Básicas | spa |
dc.affiliation | Salazar, S., Biotechnology and Biopharmaceuticals Laboratory, Pathophysiology Department, School of Biological Sciences, Universidad de Concepción, Victor Lamas 1290, Concepción P.O. Box 160-C, Chile | |
dc.affiliation | Starck, M.F., Biotechnology and Biopharmaceuticals Laboratory, Pathophysiology Department, School of Biological Sciences, Universidad de Concepción, Victor Lamas 1290, Concepción P.O. Box 160-C, Chile | |
dc.affiliation | Villegas, M.F., Biotechnology and Biopharmaceuticals Laboratory, Pathophysiology Department, School of Biological Sciences, Universidad de Concepción, Victor Lamas 1290, Concepción P.O. Box 160-C, Chile | |
dc.affiliation | Acosta, J., Biotechnology and Biopharmaceuticals Laboratory, Pathophysiology Department, School of Biological Sciences, Universidad de Concepción, Victor Lamas 1290, Concepción P.O. Box 160-C, Chile | |
dc.affiliation | Sánchez, O., Pharmacology Department, School of Biological Sciences, Universidad de Concepción, Victor Lamas 1290, Concepción P.O. Box 160-C, Chile | |
dc.affiliation | Ramos, E., Biotechnology and Biopharmaceuticals Laboratory, Pathophysiology Department, School of Biological Sciences, Universidad de Concepción, Victor Lamas 1290, Concepción P.O. Box 160-C, Chile | |
dc.affiliation | Nova-Lamperti, E., Molecular and Translational Immunology Laboratory, Clinical Biochemistry and Immunology Department, Pharmacy Faculty, Universidad de Concepción, Victor Lamas 1290,, P.O. Box 160-C, Concepción, Chile | |
dc.affiliation | Toledo, J.R., Biotechnology and Biopharmaceuticals Laboratory, Pathophysiology Department, School of Biological Sciences, Universidad de Concepción, Victor Lamas 1290, Concepción P.O. Box 160-C, Chile | |
dc.affiliation | Gädicke, P., Pathology and Preventive Medicine Department, School of Veterinary Sciences, Universidad de Concepción, Avenida Vicente Méndez 595, Chillan P.O. Box 537, Chile | |
dc.affiliation | Ruiz, Á., Pathology and Preventive Medicine Department, School of Veterinary Sciences, Universidad de Concepción, Avenida Vicente Méndez 595, Chillan P.O. Box 537, Chile | |
dc.affiliation | González, A., Faculty of Basic Sciences, University of Medellin, Cra. 87 No. 30-65, Medellin P.C. 050026, Antioquia, Colombia | |
dc.affiliation | Montesino, R., Biotechnology and Biopharmaceuticals Laboratory, Pathophysiology Department, School of Biological Sciences, Universidad de Concepción, Victor Lamas 1290, Concepción P.O. Box 160-C, Chile | |
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dc.type.version | info:eu-repo/semantics/publishedVersion | |
dc.identifier.reponame | reponame:Repositorio Institucional Universidad de Medellín | |
dc.identifier.repourl | repourl:https://repository.udem.edu.co/ | |
dc.identifier.instname | instname:Universidad de Medellín | |