Modified vaccinia virus Ankara exerts potent immune modulatory activities in a murine model.
    
    
        
    
    
        
        PLoS ONE 5:e11400 (2010)
    
    
    
      
      
	
	    BACKGROUND: Modified vaccinia virus Ankara (MVA), a highly attenuated strain of vaccinia virus, has been used as vaccine delivery vector in preclinical and clinical studies against infectious diseases and malignancies. Here, we investigated whether an MVA which does not encode any antigen (Ag) could be exploited as adjuvant per se. METHODOLOGY/PRINCIPAL FINDINGS: We showed that dendritic cells infected in vitro with non-recombinant (nr) MVA expressed maturation and activation markers and were able to efficiently present exogenously pulsed Ag to T cells. In contrast to the dominant T helper (Th) 1 biased responses elicited against Ags produced by recombinant MVA vectors, the use of nrMVA as adjuvant for the co-administered soluble Ags resulted in a long lasting mixed Th1/Th2 responses. CONCLUSIONS/SIGNIFICANCE: These findings open new ways to potentiate and modulate the immune responses to vaccine Ags depending on whether they are co-administered with MVA or encoded by recombinant viruses.
	
	
	    
	
       
      
	
	    
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        Publication type
        Article: Journal article
    
 
    
        Document type
        Scientific Article
    
 
    
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        Keywords
        HUMAN DENDRITIC CELLS; MOUSE BONE-MARROW; RECOMBINANT VIRUSES; IN-VIVO; PLASMA-CELLS; STRAIN MVA; HOST-RANGE; VACCINATION; RESPONSES; IMMUNOGENICITY
    
 
    
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        Language
        english
    
 
    
        Publication Year
        2010
    
 
    
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        2010
    
 
    
    
        ISSN (print) / ISBN
        1932-6203
    
 
    
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	    Volume: 5,  
	    Issue: 6,  
	    Pages: ,  
	    Article Number: e11400 
	    Supplement: ,  
	
    
 
    
        
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            Publisher
            Public Library of Science (PLoS)
        
 
        
            Publishing Place
            Lawrence, Kan.
        
 
	
        
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        Reviewing status
        Peer reviewed
    
 
     
    
        POF-Topic(s)
        30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
30203 - Molecular Targets and Therapies
    
 
    
        Research field(s)
        Immune Response and Infection
    
 
    
        PSP Element(s)
        G-520100-001
G-502700-002
    
 
    
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        Erfassungsdatum
        2010-11-29