The MaxDiscovery™ Rat IFN-? ELISA Test Kit is designed for quantitative determination of the concentration of rat IFN-? in serum, plasma, and cell culture supernatant. Rat Interferon gamma (IFN-?), also known as immune interferon, is a ~15 kDa protein of 137 amino acids (aa) after cleavage of a 19 aa signal peptide. It is presumed that Rat IFN-? is a noncovalent homodimer. IFN-? is the only member of the Type II class of interferons. It is produced by activated T, B and NK cells and is an important regulatory cytokine. IFN-? plays a key role in host defense as it has antiviral, immunoregulatory, and anti-tumor properties. IFN-? induces the production of cytokines and up-regulates the expression of various membrane proteins including class I and II MHC antigens, Fc receptors, leukocyte adhesion molecules, and B7 antigen. In the mature segment, rat IFN-? is 87% identical to mouse IFN-? and 40% identical to human IFN-?.
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