human 110 cytokine 98 Humans 90 Cytokines 86 Article 84 controlled study 74 male 66 female 62 metabolism 61 nonhuman 52 tumor necrosis factor 47 Male 43 interleukin 6 43 Female 42 Animals 39 adult 39 animal 36 inflammation 32 interleukin 1beta 29 major clinical study 29 immunology 28 mouse 28 unclassified drug 28 animal experiment 27 gamma interferon 27 genetics 27 pathology 26 Middle Aged 25 animal model 25 cytokine production 25