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                                            Immune checkpoints are regulators of immune activation, typically expressed on immune cells. They are key proteins that maintain the body's immune tolerance and regulate peripheral immune responses. Immune checkpoints can be divided into stimulatory and inhibitory types. Stimulatory immune checkpoints enhance the immune response against pathogens, while inhibitory immune checkpoints negatively regulate T cell activation. PD-1, PD-L1, CTLA-4, CD28, and OX40 are popular targets for cancer immunotherapy.
 
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                                                                                                Price: $128.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $128.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PKSH032840                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    HEK293 Cells                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    P41217                                                
                                            
                                                                                    
                                                                                                Price: $820.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $820.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PKSH033853                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    HEK293 Cells                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    Q15116                                                
                                            
                                                                                    
                                                                                                Price: $128.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $128.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PKSQ050028                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    HEK293 Cells                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    F7FL80                                                
                                            
                                                                                    
                                                                                                Price: $1440.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $1440.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PDMH100271                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    Mammalian                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    P15328                                                
                                            
                                                                                    
                                                                                                Price: $128.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $128.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PKSH032340                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    HEK293 Cells                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    P16410                                                
                                            
                                                                                    
                                                                                                Price: $128.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $128.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PKSM040965                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    HEK293 Cells                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    Q8VE98                                                
                                            
                                                                                    
                                                                                                Price: $128.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $128.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PKSM041000                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    HEK293 Cells                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    P09793                                                
                                            
                                                                                    
                                                                                                Price: $358.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $358.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PKSM041057                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    E.coli                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    P28776                                                
                                            
                                                                                    
                                                                                                Price: $128.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $128.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PKSM041248                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    HEK293 Cells                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    Q9EP73                                                
                                            
                                                                                        
                                                Applications:
                                                
                                                    ELISA                                                
                                            
                                                                                    
                                                                                                Price: $128.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $128.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PKSM041288                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    HEK293 Cells                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    Q02242                                                
                                            
                                                                                    
                                                                                                Price: $198.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $198.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PKSR030458                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    HEK293 Cells                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    D4AE25                                                
                                            
                                                                                    
                                                                                                Price: $1440.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $1440.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PDEH100546                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    E.coli                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    Q9Y258                                                
                                            
                                                                                    
                                                                                                Price: $1440.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $1440.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PDEH100572                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    E.coli                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    P02775                                                
                                            
                                                                                    
                                                                                                Price: $1440.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $1440.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PDEH100649                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    E.coli                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    P01112                                                
                                            
                                                                                    
                                                                                                Price: $1440.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $1440.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PDEH101109                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    E.coli                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    Q9NZQ7                                                
                                            
                                                                                    
                                                                                                Price: $1440.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $1440.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PDEH101113                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    E.coli                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    P06702                                                
                                            
                                                                                    
                                                                                                Price: $1440.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $1440.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PDEH101127                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    E.coli                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    Q9NZQ7                                                
                                            
                                                                                    
                                                                                                Price: $1440.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $1440.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PDEH101134                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    E.coli                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    Q15116                                                
                                            
                                                                                    
                                                                                                Price: $1440.00
                                                                                            
                                            
                                                    
                                                        Size:
                                                    
                                                    
                                                        
                                                        
                                                
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                                                                                                Price: $1440.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PDER100100                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    E.coli                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    A6KKE5                                                
                                            
                                                                                    
                                                                                                Price: $1440.00
                                                                                            
                                            
                                                    
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                                                                                                Price: $1440.00
                                                                                            
                                        
                                                Cat. No.:
                                                
                                                
                                                    PDER100120                                                
                                            
                                                                                        
                                                Expression Host:
                                                
                                                    E.coli                                                
                                            
                                                                                        
                                                Accession:
                                                
                                                    A6KKE5                                                
                                            
                                                                                     
                            

 
                