prednisolone , azathioprine and 6mp significantly reduced ( p less than 0.05 ) the supernatant release of pa in response to endotoxin exposure in vitro by both cell types ( supernatant pa values after 24 h in culture , recruited macrophages exposed to endotoxin , no drug 26.0 +/- 2.9 units , prednisolone 18.5 +/- 1.7 units , levamisole 27.3 +/- 4.7 units , azathioprine 18.1 +/- 2.3 units , 6mp 17.3 +/- 1.5 units ) .
C0004482
azathioprine
C0000618
units