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      Recombinant Rat IFN-gamma Protein
       
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      產(chǎn)品說明書
                  
      FAQ
                  
      COA
                  
      已發(fā)表文獻
                  
       
      

      Interferon-gamma (IFN-γ), also known as Type II interferon or immune interferon, is a pleiotropic cytokine which is now recognised as an important modulator of the immune response. Mature human IFN-γ exists as a non-covalently linked homodimer of 20-25 kDa variably glycosylated subunits. It shares 90% amino acid (aa) sequence identity with rhesus IFN-γ, 59%64% with bovine, canine, equine, feline, and porcine IFN-γ, and 37%43% with cotton rat, mouse, and rat IFN-γ. Interferons have had increasing clinical usage in the treatment of a variety of disorders, at times being used in combination with chemo‐ or radiotherapy. IFN-γ increases the potential immunogenicity of vascular endothelial cells by up-regulation of intercellular adhesion molecule-1 (ICAM-1) and class I MHC antigen expression and by induction of class II MHC antigens and certain chemokines.
      


       
      


      Product Properties
      


      
	
		
      
			
			
      Synonyms
      
			      		
			
			
      Interferon-gamma, IFN-γ, IFG, IFI, IFNG, IFNgamma, IFN-gamma.
      
			      		
		
      
		
      
			
			
      Accession
      
			      		
			
			
      P01581
      
			      		
		
      
		
      
			
			
      GeneID
      
			      		
			
			
      25712
      
			      		
		
      
		
      
			
			
      Source
      
			      		
			
			
      E.coli-derived rat IFN-γ protein, Gln23-Cys156.
      
			      		
		
      
		
      
			
			
      Molecular Weight
      
			      		
			
			
      Approximately 15.5 kDa.
      
			      		
		
      
		
      
			
			
      AA Sequence
      
			      		
			
			
      QGTLIESLES LKNYFNSSSM DAMEGKSLLL DIWRNWQKDG NTKILESQII SFYLRLFEVL KDNQAISNNI SVIESHLITN FFSNSKAKKD AFMSIAKFEV NNPQIQHKAV NELIRVIHQL SPESSLRKRK RSRC
      
			      		
		
      
		
      
			
			
      Tag
      
			      		
			
			
      None
      
			      		
		
      
		
      
			
			
      Physical Appearance
      
			      		
			
			
      Sterile Filtered White lyophilized (freeze-dried) powder.
      
			      		
		
      
		
      
			
			
      Purity
      
			      		
			
			
      > 97% by SDS-PAGE and HPLC analyses.
      
			      		
		
      
		
      
			
			
      Biological Activity
      
			      		
			
			
      The ED50 as determined by an anti-viral assay using murine L929 cells infected with encephalomyocarditis (EMC) virus is less than 0.1 ng/mL, corresponding to a specific activity of > 1.0 × 107 IU/mg. Fully biologically active when compared to standard. 
      
			      		
		
      
		
      
			
			
      Endotoxin
      
			      		
			
			
      < 0.1 EU per 1μg of the protein by the LAL method.
      
			      		
		
      
		
      
			
			
      Formulation
      
			      		
			
			
      Lyophilized from a 0.2 μm filtered concentrated solution in 1 × PBS, pH 7.4, 1 mM DTT, 5% Trehalose and 0.05% Tween-80. 
      
			      		
		
      
		
      
			
			
      Reconstitution
      
			      		
			
			
      We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in 10 mM HAc to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20℃. Further dilutions should be made in appropriate buffered solutions.
      
			      		
		
      
	      

      


       
      

      


      Shipping and Storage
      


      The products are shipped with ice pack and can be stored at -20 ℃ for 1 year.
      


      1 month, 2 to 8 °C under sterile conditions after reconstitution.
      


      3 months, -20 °C under sterile conditions after reconstitution.
      


      Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.
      


       
      


      Cautions
      


        
	
      1. Avoid repeated freeze-thaw cycles.
        2. 
	
      2. For your safety and health, please wear lab coats and disposable gloves for operation.
        3. 
	
      3. For research use only!
        4. 

      


      HB221025
      

         
       
       
       
       
       
       
       
      400-6111-883