Porcine reproductive and respiratory syndrome virus-induced immunosuppression exacerbates the inflammatory response to porcine respiratory coronavirus in pigs.

abstract：:Dengue virus (DENV) is an arthropod-borne virus, which belongs to the Flaviviridae family, and completes its life cycle in two hosts: humans and mosquitoes. For DENV maturation, the surface pre-membrane (prM) protein is cleaved to form a mature membrane protein (M) by furin, which is a cellular enzyme subsequently rel...

journal_title：Viral immunology

authors： Raheel U,Jamal M,Zaidi NU

更新日期：2015-09-01 00:00:00

abstract：:Serial virus specimens rescued from rabbits, experimentally infected with bovine immunodeficiency (BIV) strain R29, were monitored for changes in quasispecies population, using the single-strand conformation polymorphism (SSCP) analysis. The generation of characteristic SSCP patterns enables the rapid differentiation ...

journal_title：Viral immunology

authors： Kalvatchev Z,Walder R,Garzaro D,Barrios M

更新日期：2000-01-01 00:00:00

abstract：:In this study we investigated the efficacy of a multigenic DNA prime/modified vaccinia Ankara (MVA)boost vaccine approach, followed by mucosal challenge with highly pathogenic simian-human immunodeficiency virus (SHIV) 89.6P, using different routes for vaccine delivery. After three times of DNA priming (SIVmac239, Gag...

journal_title：Viral immunology

authors： Stolte-Leeb N,Bieler K,Kostler J,Heeney J,Haaft PT,Suh YS,Hunsmann G,Stahl-Hennig C,Wagner R

更新日期：2008-06-01 00:00:00

abstract：:The purpose of the study was to evaluate pathologically the reproductive system of nonvaccinated and porcine reproductive and respiratory syndrome virus (PRRSV)-vaccinated sows/gilts, as well as the assessment of vaccination impact on their endometrium/myometrium and ovaries. In a farrow-to-finish farm, all sows and g...

journal_title：Viral immunology

authors： Papatsiros V,Psalla D,Papaioannou D,Tassis P,Tzika E,Papaioannou N

更新日期：2015-05-01 00:00:00

abstract：:Porcine reproductive and respiratory syndrome virus (PRRSV) glycoprotein 5 (GP5) is the most abundant envelope glycoprotein and a key target for neutralizing antibodies. Previous studies have demonstrated that the native GP5 glycoprotein is poorly immunogenic and not able to induce robust protective responses, probabl...

journal_title：Viral immunology

authors： Wu F,Peng K,Tian J,Xu X,Zhou E,Chen H

更新日期：2014-09-01 00:00:00

abstract：:HIV-1 p17 is a viral cytokine that acts on preactivated, but not on resting, human T cells promoting proliferation, proinflammatory cytokines release and HIV-1 replication, after binding to a cellular receptor (p17R). Here, we demonstrate that p17Rs are expressed on activated murine T cells, which respond to p17 stimu...

journal_title：Viral immunology

authors： Fiorentini S,Becker PD,Marini E,Marconi P,Avolio M,Tosti G,Link C,Manservigi R,Guzman CA,Caruso A

更新日期：2006-07-01 00:00:00

abstract：:In this study, canine adenoviruses (CAdVs) from two acute fatal cases of infectious canine hepatitis (ICH) were analyzed using molecular detection and sequencing of the pVIII, E3, and fiber protein genes. Pathological findings in affected dogs were typical for CAdV-1 associated disease, characterized by severe centril...

journal_title：Viral immunology

authors： Wong M,Woolford L,Hasan NH,Hemmatzadeh F

更新日期：2017-05-01 00:00:00

abstract：:Natural killer (NK) cells have been suggested to play a protective role in HIV disease progression. One potent effector mechanism of NK cells is antibody-dependent cellular cytotoxicity (ADCC) mediated by antiviral antibodies binding to the FcγRIIIa receptor (CD16) on NK cells. We investigated NK cell-mediated ADCC fu...

journal_title：Viral immunology

authors： Johansson SE,Rollman E,Chung AW,Center RJ,Hejdeman B,Stratov I,Hinkula J,Wahren B,Kärre K,Kent SJ,Berg L

更新日期：2011-10-01 00:00:00

abstract：:A paresis isolate of equid herpesvirus 1 (EHV1, Ab4/8) and a plaque-purified virus derived from it (EHV1, Ab4/13), induced long-term suppression of both mitogenic and antigen-specific lymphocyte proliferations in adult outbred ponies. Peripheral blood mononuclear cells (PBMC) taken from a pony after EHV1 infection sup...

journal_title：Viral immunology

authors： Hannant D,O'Neill T,Ostlund EN,Kydd JH,Hopkin PJ,Mumford JA

更新日期：1999-01-01 00:00:00

abstract：:Transmissible spongiform encephalopathies are fatal neurodegenerative disorders that include Creutzfeldt-Jakob disease in humans, bovine spongiform encephalopathy and scrapie in sheep and goats. Transmissible spongiform encephalopathies are thought by some to result from changes in the conformation of a membrane glyco...

journal_title：Viral immunology

authors： Daude N

更新日期：2004-01-01 00:00:00

abstract：:BALB/c mice, preimmunized with a protective dose of native herpes simplex virus type 1 glycoprotein D (ngD1) vaccine, were depleted of selected immunocyte populations in vivo using monoclonal antibodies directed at Thy1+, L3T4+, or Lyt2+ cells. Following immunization and depletion, animals were inoculated with varied ...

journal_title：Viral immunology

authors： Mishkin EM,Blasiak M,Giorgio D,Ishizaka ST

更新日期：1992-07-01 00:00:00

abstract：:Findings coming from autopsies and serum of SARS patients suggest an important immune-inflammatory implication in the evolution to respiratory distress. Conditions such as HIV infection or treatment with immunosuppressors (in cancer or autoimmune diseases) are not among the bad prognosis factors for development of dis...

journal_title：Viral immunology

authors： Bermejo JF,Muñoz-Fernandez MA

更新日期：2004-01-01 00:00:00

abstract：:Anti-idiotypic antibodies (Ab2) binding to the antigen-combining site of other antibodies may functionally and even structurally mimic antigen. Ab2 to antibodies directed against the lymphocyte CD4 receptor for human immunodeficiency virus type 1 (HIV-1) may mimic the receptor and therefore inhibit viral infectivity. ...

journal_title：Viral immunology

authors： Liang SH,Rieber P,Prewett M,Riethmüller G,Pletcher C,Hoxie J,Koprowski H,Herlyn D

更新日期：1991-07-01 00:00:00

abstract：:Nucleotide-binding domain leucine repeats (NLRs) are required for the recognition of various molecules that are expressed within microbes and are able to actuate appropriate immune responses via activation of cytokines. The current study evaluates the expression levels of NLRP1 and NLRC4, which are components of infla...

journal_title：Viral immunology

authors： Askari A,Nosratabadi R,Khaleghinia M,Zainodini N,Kennedy D,Shabani Z,Kazemi Arababadi M

更新日期：2016-11-01 00:00:00

abstract：:Altered cytokine transcription might play an important role in the pathogenesis of human immunodeficiency virus (HIV) infection in humans. The infection of rhesus macaques with simian immunodeficiency virus (SIV) provides a relevant animal model for HIV infection. Therefore, we evaluated the cyokine transcription of p...

journal_title：Viral immunology

authors： Spring M,Bodemer W,Stahl-Hennig C,Nisslein T,Hunsmann G,Dittmer U

更新日期：1997-01-01 00:00:00

abstract：:Empirically derived vaccines have in the past relied on the isolation and growth of disease-causing microorganisms that are then inactivated or attenuated before being administered. This is often done without prior knowledge of the mechanisms involved in conferring protective immunity. Recent advances in scientific te...

journal_title：Viral immunology

authors： Chua BY,Sekiya T,Jackson DC

更新日期：2018-03-01 00:00:00

abstract：:Although field studies have found porcine reproductive and respiratory syndrome (PRRSV) inactivated vaccines to be beneficial in reducing losses linked to PRRSV infection, immune mechanisms induced by these vaccines need better understanding. In the study reported here, we examined the interferon-gamma(+) (IFNgamma(+)...

journal_title：Viral immunology

authors： Piras F,Bollard S,Laval F,Joisel F,Reynaud G,Charreyre C,Andreoni C,Juillard V

更新日期：2005-01-01 00:00:00

abstract：:Previously, we have shown that bovine herpesvirus 1 (BHV-1) down-regulates the expression of major histocompatibility complex class I molecules by interfering with transport of peptides by the transporter associated with antigen processing (TAP). Further studies revealed that BHV-1 down-regulates the expression of mRN...

journal_title：Viral immunology

authors： Gopinath RS,Ambagala AP,Hinkley S,Srikumaran S

更新日期：2002-01-01 00:00:00

abstract：:Enterovirus 71 (EV71) infection can cause severe disease and lead to death in children. Recurring outbreaks of EV71 have been reported in several countries. Interferons (IFNs) have been used for decades to treat several types of viral infection, but have a limited ability to inhibit EV71 replication. Herein, we intend...

journal_title：Viral immunology

authors： Liu Y,Zhang Z,Zhao X,Yu R,Zhang X,Wu S,Liu J,Chi X,Song X,Fu L,Yu Y,Hou L,Chen W

更新日期：2014-08-01 00:00:00

abstract：:Sudan virus (SUDV) is a member of the Filoviridae family that has been associated with sporadic outbreaks of human disease in sub-Saharan Africa. The filoviruses are notable for the high frequencies with which they cause both hemorrhagic manifestations and death in infected individuals. Recently, we reported an extens...

journal_title：Viral immunology

authors： McElroy AK,Erickson BR,Flietstra TD,Rollin PE,Towner JS,Nichol ST,Spiropoulou CF

更新日期：2015-02-01 00:00:00

abstract：:Besides being an important target in the antiretroviral therapy against the human immunodeficiency virus type 1 (HIV-1), the HIV-1 reverse transcriptase (RT) enzyme has potential as a vaccine antigen. In this study, we explored the ability of plasmid-encoded RT to induce cell-mediated immune responses. The strategy fo...

journal_title：Viral immunology

authors： Hallengärd D,Wahren B,Bråve A

更新日期：2013-04-01 00:00:00

abstract：:Herpesviruses are widely disseminated in the population and establish lifelong latency, which is associated with a variety of pathological consequences. A recent report showed that mice latently infected with either murine gamma-herpesvirus-68 (gammaHV68) or murine cytomegalovirus (mCMV), mouse pathogens genetically s...

journal_title：Viral immunology

authors： Yager EJ,Szaba FM,Kummer LW,Lanzer KG,Burkum CE,Smiley ST,Blackman MA

更新日期：2009-02-01 00:00:00

abstract：:The immune response against parvovirus B19 is mainly directed against the two structural proteins, VP1 and VP2. The amino terminal half of the VP1 unique region has been shown to elicit a dominant immune response in humans, more effective than other linear epitopes and also it has been seen to contain significant neut...

journal_title：Viral immunology

authors： Zuffi E,Manaresi E,Gallinella G,Gentilomi GA,Venturoli S,Zerbini M,Musiani M

更新日期：2001-01-01 00:00:00

abstract：:A molecular form of soluble suppressor factor was identified in serum-free supernatant fluid of cultured peripheral blood mononuclear cells (PBMC) from patients with severe forms of papillomavirus infections (epidermodysplasia verruciformis and large treatment-resistant condyloma acuminatum). The papillomavirus-induce...

journal_title：Viral immunology

authors： Chopra V,Chopra AK,Tyring S

更新日期：1991-01-01 00:00:00

abstract：:Expression of major histocompatibility complex (MHC) class I alleles such as B*57 and B*27 are associated with slow HIV disease progression. HIV-specific immune responses in slow progressors (SP) are characterized by a poly-functional profile. We previously observed within infected subjects that HIV peptide-specific r...

journal_title：Viral immunology

authors： Peretz Y,Marra O,Thomas R,Legault D,Côté P,Boulassel MR,Rouleau D,Routy JP,Sékaly RP,Tsoukas CM,Tremblay C,Bernard NF

更新日期：2011-06-01 00:00:00

abstract：:The cytokine profile associated with either a T helper 1 (Th1) or Th2 response in a porcine respiratory disease model was assessed by measuring IL-12, IL-10 and IFN-gamma using RT-PCR and ELISA, respectively. IL-10, IL-12, and IFN-gamma levels in pulmonary alveolar macrophages and bronchial lavage fluid were increased...

journal_title：Viral immunology

authors： Thanawongnuwech R,Thacker EL

更新日期：2003-01-01 00:00:00

abstract：:In the developing countries, Hepatitis E virus (HEV) is a predominant cause of sporadic acute hepatitis in adults and waterborne epidemics leading to high mortality in pregnant women. Vaccine development mainly focuses on the structural capsid protein open-reading-frame-2 (ORF-2) of the virus. We successfully evaluate...

journal_title：Viral immunology

authors： Joshi SS,Arankalle VA

更新日期：2016-07-01 00:00:00

abstract：:Infection with helper-free, defective MAIDS murine leukemia virus (MuLV) caused a rapid polyclonal activation of B cells in 0.75-, 2-, and 6-month-old C57L/J mice (H-2b, Fv-1n/n), similar to that in C57BL/6 mice (H-2b, Fv-1b/b), which was recognized by elevated plasma immunoglobulin concentrations. However, changes in...

journal_title：Viral immunology

authors： Even C,Hu B,Erickson L,Plagemann PG

更新日期：1992-04-01 00:00:00

abstract：:Enterovirus infections may be involved in the etiology of type 1 diabetes (T1D), which is strongly associated with certain human leukocyte antigen (HLA) class II haplotypes. Our aim was to assess whether HLA genotypes conferring varying degrees of risk for T1D were associated with enterovirus gut infections. From the ...

journal_title：Viral immunology

authors： Witsø E,Cinek O,Tapia G,Rasmussen T,Stene LC,Rønningen KS

更新日期：2012-06-01 00:00:00

abstract：:Induction of cytotoxic T lymphocyte (CTL) responses is an important defense mechanism against infectious agents, specifically viruses. In the present investigation we employed a mouse assay system we previously developed, for rapid induction of CTLs by synthetic peptides from E6 and E7 oncoproteins of human papillomav...

journal_title：Viral immunology

authors： Sarkar AK,Tortolero-Luna G,Nehete PN,Arlinghaus RB,Mitchell MF,Sastry KJ

更新日期：1995-01-01 00:00:00