Human IFN gamma Animal-Free Recombinant Protein IFN-γ, an acid-labile interferon, is produced by CD4 and CD8 T lymphocytes as well as activated NK cells. Its receptors are widespread in immune cells, triggering an increase in class I MHC protein surface expression upon IFN-γ signaling... MSRP: Was: Now: $80.00 - $1,150.00 Choose Options