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Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Mol+Immunol 2020 ; 119 (ä): 132-143 Nephropedia Template TP
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Camelid type I interferons: Identification and functional characterization of interferon alpha from the dromedary camel (Camelus dromedarius) #MMPMID32014632
Premraj A; Aleyas AG; Nautiyal B; Rasool TJ
Mol Immunol 2020[Mar]; 119 (ä): 132-143 PMID32014632show ga
Investigations into the molecular immune response of dromedary camel, a key livestock species of the arid, have been limited due to the lack of species-specific reagents. Here we describe for the first time, the identification and characterization of type I IFNs of dromedary camel, which are the most important cytokines in the innate host immune response against viruses. We cloned camel IFN-alpha coding sequences and identified a total of eleven subtypes. The canonical IFN-alpha subtype designated as IFN-alpha1 contained a 555-bp Open Reading Frame encoding a protein of 184 amino acids. Recombinant IFN-alpha1 protein was produced in E. coli and purified from inclusion bodies. Recombinant camel IFN-alpha1 induced the mRNA expression of interferon-stimulated genes (ISGs) in camel kidney cells. The purified protein also showed potent in-vitro antiviral activity against Camelpox Virus in kidney cells. The identified camel IFN-alpha protein and the subtypes will facilitate a better understanding of the host immune response to viral infections in camel and the development of potential antiviral biologicals for zoonotic diseases for which camel act as a reservoir.
|Animals[MESH]
|Antiviral Agents[MESH]
|Camelus/genetics/*immunology[MESH]
|Cloning, Molecular[MESH]
|Escherichia coli[MESH]
|Interferon Type I/chemistry/genetics/*immunology/isolation & purification[MESH]