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Viruses 2015, 7(11), 6067-6079; doi:10.3390/v7112924

Coxsackievirus B4 Can Infect Human Peripheral Blood-Derived Macrophages

1
Laboratoire de virologie EA3610, Faculté de Médecine, Université de Lille, CHU de Lille 59037, France
2
Laboratoire d’immunologie, Faculté de Médecine, Université de Lille, CHU de Lille 59037, France
3
Laboratoire d’anatomie pathologique, Faculté de Médecine, Université de Lille, CHU de Lille 59037, France
*
Author to whom correspondence should be addressed.
Academic Editor: George Belov
Received: 30 September 2015 / Revised: 14 November 2015 / Accepted: 18 November 2015 / Published: 24 November 2015
(This article belongs to the Special Issue Recent Progress in Enterovirus Research)
View Full-Text   |   Download PDF [1417 KB, uploaded 24 November 2015]   |  

Abstract

Beyond acute infections, group B coxsackieviruses (CVB) are also reported to play a role in the development of chronic diseases, like type 1 diabetes. The viral pathogenesis mainly relies on the interplay between the viruses and innate immune response in genetically-susceptible individuals. We investigated the interaction between CVB4 and macrophages considered as major players in immune response. Monocyte-derived macrophages (MDM) generated with either M-CSF or GM-CSF were inoculated with CVB4, and infection, inflammation, viral replication and persistence were assessed. M-CSF-induced MDM, but not GM-CSF-induced MDM, can be infected by CVB4. In addition, enhancing serum was not needed to infect MDM in contrast with parental monocytes. The expression of viral receptor (CAR) mRNA was similar in both M-CSF and GM-CSF MDM. CVB4 induced high levels of pro-inflammatory cytokines (IL-6 and TNFα) in both MDM populations. CVB4 effectively replicated and persisted in M-CSF MDM, but IFNα was produced in the early phase of infection only. Our results demonstrate that CVB4 can replicate and persist in MDM. Further investigations are required to determine whether the interaction between the virus and MDM plays a role in the pathogenesis of CVB-induced chronic diseases. View Full-Text
Keywords: coxsackievirus B; monocyte-derived macrophages; M-CSF; GM-CSF; infection; inflammation; persistence; J0101 coxsackievirus B; monocyte-derived macrophages; M-CSF; GM-CSF; infection; inflammation; persistence; J0101
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Alidjinou, E.K.; Sané, F.; Trauet, J.; Copin, M.-C.; Hober, D. Coxsackievirus B4 Can Infect Human Peripheral Blood-Derived Macrophages. Viruses 2015, 7, 6067-6079.

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