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          L-siRNA         | 
        
      | Vaxjo ID | 401 | 
        
      | Vaccine Adjuvant Name | L-siRNA | 
        
      | Alternative Names | lipid-siRNA or liposome-encapsulated siRNA | 
        
      | Adjuvant VO ID | VO_0005683 | 
        
      | Description | L-siRNA refers to small interfering RNA (siRNA) that is encapsulated in lipid nanoparticles (coatsomes) designed for efficient delivery into cells to silence specific target genes, such as SOCS1. | 
        
      | Stage of Development | Research | 
        
      | Host Species for Testing | Mouse | 
        
      | Components | Lipid nanoparticle-enclosed siRNA (L-siRNA) transported into primary cells without any toxic side effects and protected from early degradation | 
        
      | Structure | L-siRNA consists of a double-stranded RNA molecule designed to target specific mRNA for degradation, encapsulated in lipid nanoparticles that facilitate cellular uptake. | 
        
      | Preparation | L-siRNA is prepared by packaging siRNA into lipid nanoparticles, which involves mixing the siRNA with lipid components that form vesicles capable of encapsulating the RNA. | 
        
      | Dosage | In the study, L-siRNA was used at concentrations of 50 ul/ml and 100 ul/ml. | 
        
      | Function | STAT3 induces expression of suppressor of cytokine signaling (SOCS) 1 that terminates the inflammatory response. In the approach, TLR4-adjuvant monophosphoryl lipid A (MPLA)-stimulated monocyte-activation is reinforced and sustained by silencing SOCS1 via lipid nanoparticle-enclosed siRNA (L-siRNA). | 
        
      | Safety | The article suggests that L-siRNA has a low toxicity profile and is designed to minimize adverse effects while effectively delivering siRNA to target cells. | 
    	
	
	  | References | Hildebrand et al., 2019: Hildebrand D, Metz-Zumaran C, Jaschkowitz G, Heeg K. Silencing SOCS1 via Liposome-Packed siRNA Sustains TLR4-Ligand Adjuvant. Frontiers in immunology. 2019; 10; 1279. [PubMed: 31214204]. |