1922
Cell adhesion to endothelial cells stimulated by tumor necrosis factor-alpha ( TNF ) is due to induction of surface receptors , such as vascular cell adhesion molecule-1 ( VCAM-1 ).
 ( protein: VCAM-1, None) , ( cell type: endothelial cells, None) , ( protein: vascular cell adhesion molecule-1, None) , ( protein: stimulated by tumor necrosis factor-alpha, None) , ( protein: surface receptors, None) , ( protein: TNF, 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: VCAM-1, None) , ( cell type: endothelial cells, None) , ( protein: vascular cell adhesion molecule-1, None) , ( protein: stimulated by tumor necrosis factor-alpha, None) , ( protein: surface receptors, None) , ( protein: TNF, None) 