Regulatory roles of c-jun in H5N1 influenza virus replication and host inflammation

Xie, Jingjing; Zhang, Shouping; Hu, Yanxin; Li, Dirui; Cui, Jingmin; Xue, Jia; Zhang, Guozhong; Khachigian, Levon M.; Wong, Jonathan P.; Sun, Lun‐Quan; Wang, Ming

doi:10.1016/j.bbadis.2014.04.017

Cited by 50 publications

(48 citation statements)

References 40 publications

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“…Many viruses were proved to activate c-Jun transcription factor to promote c-Jun-dependent gene expression and boost virus replication (Holloway and Coulson, 2006;Wei et al, 2009Wei et al, , 2011Xie et al, 2014). In our researches, we found that WSSV infection could enhance both the expression and phosphorylation levels of Lvc-Jun.…”

Section: Discussionmentioning

confidence: 73%

Identification of a c-Jun homolog from Litopenaeus vannamei as a downstream substrate of JNK in response to WSSV infection

Yao

Ruan

et al. 2015

Developmental & Comparative Immunology

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Section: Discussionmentioning

confidence: 73%

Identification of a c-Jun homolog from Litopenaeus vannamei as a downstream substrate of JNK in response to WSSV infection

Yao

Ruan

et al. 2015

Developmental & Comparative Immunology

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“…This means that individuals could be protected against the human viruses, but their immune system was not able to react by producing VN antibodies specific to the corresponding new avian virus of H5 subtype. This could be related to the ability of H5 viruses to induce a strong cytokine response after infection (Cheung et al, 2002;Wong and Yeng, 2006;Xie et al, 2014) or it could be the impact of the original antigenic sin (OAS). Kim et al (2009) showed that sequential infection of mice with live viruses caused much more profound original antigenic sin than their infection following immunization with whole inactivated IAV vaccine.…”

Section: Discussionmentioning

confidence: 99%

Virus-neutralizing antibody response of mice to consecutive infection with human and avian influenza A viruses

Janulíková¹,

Stropkovská²,

Bobišová³

et al. 2015

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Summary. -In this work we simulated in a mouse model a naturally occurring situation of humans, who overcame an infection with epidemic strains of influenza A, and were subsequently exposed to avian influenza A viruses (IAV). The antibody response to avian IAV in mice previously infected with human IAV was analyzed. We used two avian IAV (A/Duck/Czechoslovakia/1956 (H4N6) and the attenuated virus rA/Viet Nam/1203-2004 (H5N1)) as well as two human IAV isolates (virus A/Mississippi/1/1985 (H3N2) of medium virulence and A/Puerto Rico/8/1934 (H1N1) of high virulence). Two repeated doses of IAV of H4 or of H5 virus elicited virus-specific neutralizing antibodies in mice. Exposure of animals previously infected with human IAV (of H3 or H1 subtype) to IAV of H4 subtype led to the production of antibodies neutralizing H4 virus in a level comparable with the level of antibodies against the human IAV used for primary infection. In contrast, no measurable levels of virus-neutralizing (VN) antibodies specific to H5 virus were detected in mice infected with H5 virus following a previous infection with human IAV. In both cases the secondary infection with avian IAV led to a significant increase of the titer of VN antibodies specific to the corresponding human virus used for primary infection. Moreover, cross-reactive HA2-specific antibodies were also induced by sequential infection. By virtue of these results we suggest that the differences in the ability of avian IAV to induce specific antibodies inhibiting virus replication after previous infection of mice with human viruses can have an impact on the interspecies transmission and spread of avian IAV in the human population.Keywords: avian influenza A viruses; sequential influenza A infection; antibody response; virus-neutralizing antibodies; HA2-specific antibodies; original antigenic sin * Corresponding author. E-mail: viruevar@savba.sk; phone: +421-2-59302427. Abbreviations: HA = hemagglutinin; IAV = influenza A virus; MAb = monoclonal antibody; OAS = original antigenic sin; VN = virus-neutralizing

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“…Later, mainly proinfl ammatory (particularly IL-6, IL-1, IFN-γ, and TNF-α) but also antiviral (IFN-α/β), as well as other cytokines are produced (e.g. RANTES, MIP-1α/β, MCP-1, MCP-3 and IP-10) (Julkunen et al, 2000;Xie et al, 2014;Zhao et al, 2014;Shen et al, 2015).…”

Section: Discussionmentioning

confidence: 99%

Immune response of mice to non-adapted avian influenza A virus

Stropkovská¹,

Mikušková²,

Bobišová³

et al. 2015

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Summary. -Human infections with avian infl uenza A viruses (IAVs) without or with clinical symptoms of disease were recently reported from several continents, mainly in high risk groups of people, who came into the contact with infected domestic birds or poultry. It was shown that avian IAVs are able to infect humans directly without previous adaptation, however, their ability to replicate and to cause a disease in this new host can diff er. No spread of these avian IAVs among humans has been documented until now, except for one case described in Netherlands in the February of 2003 in people directly involved in handling IAV (H7N7)-infected poultry. Th e aim of our work was to examine whether a low pathogenic avian IAV can induce a virus-specifi c immune response of biological relevancy, in spite of its restricted replication in mammals. As a model we used a low pathogenic virus A/Duck/Czechoslovakia/1956 (H4N6) (A/Duck), which replicated well in MDCK cells and produced plaques on cell monolayers, but was unable to replicate productively in mouse lungs. We examined how the immune system of mice responds to the intranasal application of this non-adapted avian virus. Th ough we did not prove the infectious virus in lungs of mice following A/Duck application even aft er its multiple passaging in mice, we detected virus-specifi c vRNA till day 8 post infection. Moreover, we detected virus-specifi c mRNA and de novo synthesized viral nucleoprotein (NP) and membrane protein (M1) in lungs of mice on day 2 and 4 aft er exposure to A/Duck. Virus-specifi c antibodies in sera of these mice were detectable by ELISA already aft er a single intranasal dose of A/Duck virus. Not only antibodies specifi c to the surface glycoprotein hemagglutinin (HA) were induced, but also antibodies specifi c to the NP and M1 of IAV were detected by Western blot and their titers increased aft er the second exposure of mice to this virus. Importantly, antibodies neutralizing virus A/Duck were proved in mouse immune sera aft er the second dose of virus and a slight increase of mRNA expression of immune mediators tumor necrosis factor alpha (TNF-α) and IP10 has been observed in lungs of these mice 48 hr aft er the infection. Th ese observations correspond to the limited replication ability of the virus in mice and provided an important information about its ability to induce virusspecifi c antibodies, including those neutralizing virus, even without the previous virus adaptation to the new mammalian host. Such antibodies could consequently infl uence the immune potential of exposed individuals and their defensive capability against the newly emerged, even more virulent IAV.

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Regulatory roles of c-jun in H5N1 influenza virus replication and host inflammation

Cited by 50 publications

References 40 publications

Identification of a c-Jun homolog from Litopenaeus vannamei as a downstream substrate of JNK in response to WSSV infection

Identification of a c-Jun homolog from Litopenaeus vannamei as a downstream substrate of JNK in response to WSSV infection

Virus-neutralizing antibody response of mice to consecutive infection with human and avian influenza A viruses

Immune response of mice to non-adapted avian influenza A virus

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