9122
We incubated sodium oleate with human umbilical vein endothelial cells for 0 to 72 hours, followed by coincubation of oleate with human recombinant tumor necrosis factor , interleukin (IL)-1alpha , IL-1beta , IL-4 , Escherichia coli lipopolysaccharide ( LPS ), or phorbol 12-myristate 13-acetate for a further 6 to 24 hours.
 ( protein: human recombinant tumor necrosis factor, None) , ( protein: IL-1beta, None) , ( protein: interleukin (IL)-1alpha, None) , ( cell type: human umbilical vein endothelial cells, None) , ( protein: IL-4, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: human recombinant tumor necrosis factor, None) , ( protein: IL-1beta, None) , ( protein: interleukin (IL)-1alpha, None) , ( cell type: human umbilical vein endothelial cells, None) , ( protein: IL-4, None) 