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    5'-Triphosphate-siRNA: Turning gene silencing and Rig-I activation against melanoma.
        
        J. Nat. Med. 14, 1256-1263 (2007)
    
    
    
				Genetic and epigenetic plasticity allows tumors to evade single-targeted treatments. Here we direct Bcl2-specific short interfering RNA (siRNA) with 5'-triphosphate ends (3p-siRNA) against melanoma. Recognition of 5'-triphosphate by the cytosolic antiviral helicase retinoic acid-induced protein I (Rig-I, encoded by Ddx58) activated innate immune cells such as dendritic cells and directly induced expression of interferons (IFNs) and apoptosis in tumor cells. These Rig-I-mediated activities synergized with siRNA-mediated Bcl2 silencing to provoke massive apoptosis of tumor cells in lung metastases in vivo. The therapeutic activity required natural killer cells and IFN, as well as silencing of Bcl2, as evidenced by rescue with a mutated Bcl2 target, by site-specific cleavage of Bcl2 messenger RNA in lung metastases and downregulation of Bcl-2 protein in tumor cells in vivo. Together, 3p-siRNA represents a single molecule-based approach in which Rig-I activation on both the immune- and tumor cell level corrects immune ignorance and in which gene silencing corrects key molecular events that govern tumor cell survival.
			
			
		Impact Factor
					Scopus SNIP
					Web of Science
Times Cited
					Times Cited
Scopus
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					Cited By
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				26.382
					0.000
					200
					305
					
					
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        Publikationstyp
        Artikel: Journalartikel
    
 
    
        Dokumenttyp
        Wissenschaftlicher Artikel
    
 
     
    
     
     
    
    
        Sprache
        englisch
    
 
    
        Veröffentlichungsjahr
        2007
    
 
     
    
        HGF-Berichtsjahr
        0
    
 
    
    
        ISSN (print) / ISBN
        1340-3443
    
 
    
        e-ISSN
        1861-0293
    
 
     
     
     
	     
	 
	 
    
        Zeitschrift
        Journal of natural medicines
    
 
		
    
        Quellenangaben
        
	    Band: 14,  
	    Heft: 11,  
	    Seiten: 1256-1263 
	    
	    
	
    
 
  
         
        
            Verlag
            Springer
        
 
        
            Verlagsort
            Tokyo [u.a.]
        
 
	
         
         
         
         
         
	
         
         
         
    
         
         
         
         
         
         
         
    
        Begutachtungsstatus
        Peer reviewed
    
 
    
        Institut(e)
        Institute of Molecular Immunology (IMI)
    
 
     
     
    
        PSP-Element(e)
        G-501700-003
    
 
     
     	
    
        DOI
        10.1038/nm.1887
    
    
        Scopus ID
        55549114663
    
    
        Erfassungsdatum
        2008-12-12