using an elisa , specific for il-1 beta , there was clear cut evidence for increased production of this cytokine by fle cells in response to human recombinant gamma-interferon ( ifn-gamma ) , staphylococcus aureus , and lipopolysaccharide ( lps ) in combination with silica ( lps/silica ) .
C0021753
il-1 beta
C0086418
human