Fish red blood cells modulate immune genes in response to bacterial inclusion bodies made of TNFα and a g-VHSV fragment

Sara Puente-Marin, Rosemary Thwaite, Luis Mercado, Julio Coll, Nerea Roher, Maria Del Mar Ortega-Villaizan

Research output: Contribution to journalArticleResearch

6 Citations (Scopus)

Abstract

Copyright © 2019 Puente-Marin, Thwaite, Mercado, Coll, Roher and Ortega-Villaizan. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. Fish Red-Blood Cells (RBCs) are nucleated cells that can modulate the expression of different sets of genes in response to stimuli, playing an active role in the homeostasis of the fish immune system. Nowadays, vaccination is one of the main ways to control and prevent viral diseases in aquaculture and the development of novel vaccination approaches is a focal point in fish vaccinology. One of the strategies that has recently emerged is the use of nanostructured recombinant proteins. Nanostructured cytokines have already been shown to immunostimulate and protect fish against bacterial infections. To explore the role of RBCs in the immune response to two nanostructured recombinant proteins, TNFα and a G-VHSV protein fragment, we performed different in vitro and in vivo studies. We show for the first time that rainbow trout RBCs are able to endocytose nanostructured TNFα and G-VHSV protein fragment in vitro, despite not being phagocytic cells, and in response to nanostructured TNFα and G-VHSV fragment, the expression of different immune genes could be modulated.
Original languageEnglish
Article number1055
JournalFrontiers in Immunology
Volume10
DOIs
Publication statusPublished - 1 Jan 2019

Keywords

  • Bacterial inclusion bodies
  • Erythrocytes
  • Immune response
  • Red blood cells
  • TNFα
  • VHSV glycoprotein G

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