interferon production gamma interferon 8 nonhuman 8 article 6 human 6 human cell 6 mouse 6 priority journal 6 Animals 4 Article 4 Cercopithecus aethiops 4 Mice 4 animal cell 4 animal experiment 4 cell culture 4 controlled study 4 gene expression 4 immunopathology 4 interleukin 6 4 unclassified drug 4 virus inhibition 4 22,23 dihydroxystigmast 4 en 3 one 2 22,23-dihydroxystigmast-4-en-3-one 2 3-bromo-5,22,23-trihydroxystigmastan-6-one 2 3beta bromo 5alpha,22,23 trihydroxystigmastan 6 one 2 Adaptive immunity 2 Anti-Inflammatory Agents 2 Antigen presentation 2 Antiviral Agents 2 Autocrine 2