Impact of vaccination with the Anaplasma phagocytophilum MSP4 chimeric antigen on gene expression in the rabbit host

• Tipo: Artigo em Revista Científica Internacional
• Data: 2024

Autores

Moraga-Fernández, A (Autor) Outra; de Sousa-Blanco, M (Autor) Outra; Marques, JP (Autor) Outra; Queirós, J (Autor) Outra; Fernández-Melgar, R (Autor) Outra; García-Alvarez, O (Autor) Outra; Alves, PC (Autor) FCUP; Contreras, M (Autor) Outra

Revista

Título: Research in Veterinary Science

Vol. 178

ISSN: 0034-5288

Editora: Elsevier

Indexação

ISI Web of Knowledge - 0 Citações

Scopus - 0 Citações

Outras Informações

ID Authenticus: P-016-SR9

DOI: 10.1016/j.rvsc.2024.105370

Abstract (EN): There are currently no vaccines available to prevent and control of Anaplasma phagocytophilum, an intracellular bacterial pathogen transmitted by ticks that occurs in many regions of the world and causes disease in a wide range of domestic and wild hosts, including humans. Vaccines induce long-lasting immunity and could prevent or reduce transmission of this pathogen. Understanding how vaccines induce a protective response can be difficult due to the complexity of the immune system, which operates at many levels throughout the organism. New perspectives in vaccinology, based on systems biology approaches, integrate many scientific disciplines to fully understand the biological responses to vaccination, where a transcriptomic approach could reveal relevant information of the host immune system, allowing profiling for rational design of vaccine formulations, administration, and potential protection. In the present study we report the gene expression profiles by RNA-seq followed by functional analysis using whole blood samples from rabbits immunized with a recombinant chimeric protein containing peptides from the MSP4 protein of A. phagocytophilum, which showed satisfactory results in terms of potential protection. Transcriptomic analysis revealed differential expression of 720 genes, with 346 genes upregulated and 374 genes downregulated. Overrepresentation of biological and metabolic pathways correlated with immune response, protein signaling, cytoskeleton organization and protein synthesis were found. These changes in gene expression could provide a complete and unique picture of the biological response to the epitope candidate vaccine against A. phagocytophilum in the host.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 9