Concurrent infection of monocyte-derived macrophages with porcine reproductive and respiratory syndrome virus and Haemophilus parasuis: A role of IFN alpha in pathogenesis of co-infections

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62157124%3A16170%2F18%3A43878387" target="_blank" >RIV/62157124:16170/18:43878387 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0378113518307090?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0378113518307090?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.vetmic.2018.09.016" target="_blank" >10.1016/j.vetmic.2018.09.016</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Concurrent infection of monocyte-derived macrophages with porcine reproductive and respiratory syndrome virus and Haemophilus parasuis: A role of IFN alpha in pathogenesis of co-infections

Popis výsledku v původním jazyce

Porcine reproductive and respiratory syndrome virus (PRRSV) predisposes pigs to secondary bacterial infection caused by Haemophilus parasuis. The aim of the present study was to analyse the immune response of monocyte-derived macrophages (MDMs), serving as a model of macrophages accumulating at the site of inflammation. The second part of the study was focused on the role of IFNa in the production of inflammatory cytokines in co-infected MDMs. Concurrent infection with PRRSV and H. parasuis decreased gene expression of pro-inflammatory cytokines (IL-1 beta, IL-8) in MDMs in comparison with MDMs infected with PRRSV or H. parasuis alone. Our data showed that MDMs express IFN alpha after PRRSV infection. Thereafter, we exposed cells to the experimental addition of IFN alpha and a subsequent infection with H. parasuis, and detected a decreased expression/ production of pro-inflammatory cytokines. Thus, we assume that IFN alpha, produced after PRRSV infection, could affect the immune response of monocyte-derived macrophages. Down-regulation of pro-inflammatory cytokine expression in inflammatory macrophages may allow the development of secondary bacterial infections in pigs.

Název v anglickém jazyce

Concurrent infection of monocyte-derived macrophages with porcine reproductive and respiratory syndrome virus and Haemophilus parasuis: A role of IFN alpha in pathogenesis of co-infections

Popis výsledku anglicky

Porcine reproductive and respiratory syndrome virus (PRRSV) predisposes pigs to secondary bacterial infection caused by Haemophilus parasuis. The aim of the present study was to analyse the immune response of monocyte-derived macrophages (MDMs), serving as a model of macrophages accumulating at the site of inflammation. The second part of the study was focused on the role of IFNa in the production of inflammatory cytokines in co-infected MDMs. Concurrent infection with PRRSV and H. parasuis decreased gene expression of pro-inflammatory cytokines (IL-1 beta, IL-8) in MDMs in comparison with MDMs infected with PRRSV or H. parasuis alone. Our data showed that MDMs express IFN alpha after PRRSV infection. Thereafter, we exposed cells to the experimental addition of IFN alpha and a subsequent infection with H. parasuis, and detected a decreased expression/ production of pro-inflammatory cytokines. Thus, we assume that IFN alpha, produced after PRRSV infection, could affect the immune response of monocyte-derived macrophages. Down-regulation of pro-inflammatory cytokine expression in inflammatory macrophages may allow the development of secondary bacterial infections in pigs.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

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OECD FORD obor

10606 - Microbiology

Projekt

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Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Veterinary Microbiology

ISSN

0378-1135

e-ISSN

1873-2542

Svazek periodika

225

Číslo periodika v rámci svazku

Nov

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

8

Strana od-do

64-71

Kód UT WoS článku

000449129400011

EID výsledku v databázi Scopus

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