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          PRR agonists         | 
        
      | Vaxjo ID | 387 | 
        
      | Vaccine Adjuvant Name | PRR agonists | 
        
      | Alternative Names | PRR agonists may include various specific compounds, such as TLR (Toll-Like Receptor) agonists, including MPLA (monophosphoryl lipid A), CpG-ODN (CpG oligodeoxynucleotides), and others. | 
        
      | Adjuvant VO ID | VO_0005669 | 
        
      | Description | PRR agonists are molecules that activate pattern recognition receptors in the immune system, leading to enhanced immune responses. They are used as adjuvants in vaccines to improve immunogenicity. | 
        
      | Stage of Development | Clinical Trial | 
        
      | Host Species for Testing | Human | 
        
      | Components | pathogen-associated molecular patterns (PAMPs) and damage-associate molecular patterns (DAMPs) | 
        
      | Structure | The specific structures of PRR agonists vary widely depending on the agonist. For example, TLR agonists have distinct molecular structures that correspond to their receptor targets. | 
        
      | Preparation | PRR agonists can be derived from natural sources or synthesized. The preparation methods vary based on the specific agonist. | 
        
      | Function | Pathogens comprise a diverse set of immunostimulatory molecules that activate the innate immune system during infection. | 
        
      | Safety | The safety profiles of PRR agonists can vary; some have been shown to have favorable safety profiles in clinical applications, while others may have associated risks. The article emphasizes the need for improved safety profiles in new adjuvants. | 
    	
	
	  | References | Tom et al., 2019: Tom JK, Albin TJ, Manna S, Moser BA, Steinhardt RC, Esser-Kahn AP. Applications of Immunomodulatory Immune Synergies to Adjuvant Discovery and Vaccine Development. Trends in biotechnology. 2019; 37(4); 373-388. [PubMed: 30470547]. |